当(Dang)前(Qian)位(Wei)置(Zhi):(?)首(Shou)页(Ye) > 技(Ji)术(Shu)文(Wen)章(Zhang) > 钢(Gang)铁(Tie)材(Cai)料(Liao)的(De)大(Da)气(Qi)腐(Fu)蚀(Shi)与(Yu)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)测(Ce)试(Shi)
钢(Gang)铁(Tie)材(Cai)料(Liao)的(De)大(Da)气(Qi)腐(Fu)蚀(Shi)与(Yu)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)测(Ce)试(Shi)
摘(Zhai)要(Yao):(?)首(Shou)先(Xian)指(Zhi)出(Chu)了(Liao)钢(Gang)铁(Tie)材(Cai)料(Liao)在(Zai)广(Guang)泛(Fan)应(Ying)用(Yong)中(Zhong)面(Mian)临(Lin)的(De)腐(Fu)蚀(Shi)问(Wen)题(Ti)及(Ji)其(Qi)影(Ying)响(Xiang),(?)强(Qiang)调(Diao)了(Liao)研(Yan)究(Jiu)腐(Fu)蚀(Shi)机(Ji)理(Li)和(He)改(Gai)善(Shan)耐(Nai)腐(Fu)蚀(Shi)性(Xing)的(De)重(Zhong)要(Yao)性(Xing),(?)重(Zhong)点(Dian)介(Jie)绍(Shao)了(Liao)大(Da)气(Qi)腐(Fu)蚀(Shi)的(De)影(Ying)响(Xiang)因(Yin)素(Su)和(He)盐(Yan)雾(Wu)测(Ce)试(Shi)在(Zai)评(Ping)估(Gu)材(Cai)料(Liao)耐(Nai)腐(Fu)蚀(Shi)性(Xing)中(Zhong)的(De)应(Ying)用(Yong)。(?)文(Wen)章(Zhang)探(Tan)讨(Tao)了(Liao)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)加(Jia)速(Su)试(Shi)验(Yan)的(De)方(Fang)法(Fa)与(Yu)相(Xiang)关(Guan)标(Biao)准(Zhun),(?)包(Bao)括(Kuo)持(Chi)续(Xu)盐(Yan)雾(Wu)试(Shi)验(Yan)、(?)循(Xun)环(Huan)腐(Fu)蚀(Shi)测(Ce)试(Shi)及(Ji)各(Ge)种(Zhong)组(Zu)合(He)盐(Yan)雾(Wu)试(Shi)验(Yan)等(Deng),(?)并(Bing)强(Qiang)调(Diao)了(Liao)盐(Yan)雾(Wu)测(Ce)试(Shi)中(Zhong)的(De)实(Shi)践(Jian)与(Yu)优(You)化(Hua)策(Ce)略(Lue),(?)以(Yi)更(Geng)准(Zhun)确(Que)有(You)效(Xiao)地(Di)评(Ping)估(Gu)材(Cai)料(Liao)的(De)耐(Nai)腐(Fu)蚀(Shi)性(Xing)。(?)
关(Guan)键(Jian)词(Ci):(?)钢(Gang)铁(Tie);(?)大(Da)气(Qi)腐(Fu)蚀(Shi);(?)盐(Yan)雾(Wu)测(Ce)试(Shi);(?)试(Shi)验(Yan)标(Biao)准(Zhun);(?)盐(Yan)雾(Wu)箱(Xiang)
Atmospheric Corrosion and Salt Spray Corrosion Testing of Steel Materials
Abstract: This paper initially highlights the corrosion issues faced by steel materials in their widespread applications and their impact, emphasizing the importance of studying corrosion mechanisms and improving corrosion resistance. It focuses on the influencing factors of atmospheric corrosion and the application of salt spray testing in evaluating the corrosion resistance of materials. The article delves into the methods and relevant standards of accelerated salt spray corrosion tests, including continuous salt spray tests, cyclic corrosion tests, etc. It also emphasizes the practical application and optimization strategies in salt spray testing to more accurately and effectively assess the corrosion resistance of materials, providing data support for subsequent decision-making and improvements.
Keywords: steel; atmospheric corrosion; salt spray testing; test standards; salt spray chamber
1 引(Yin)言(Yan)
钢(Gang)铁(Tie)材(Cai)料(Liao)因(Yin)其(Qi)机(Ji)械(Xie)性(Xing)能(Neng)和(He)良(Liang)好(Hao)的(De)可(Ke)加(Jia)工(Gong)性(Xing),(?)在(Zai)各(Ge)类(Lei)制(Zhi)造(Zao)业(Ye)中(Zhong)得(De)到(Dao)了(Liao)极(Ji)为(Wei)广(Guang)泛(Fan)的(De)应(Ying)用(Yong)。(?)然(Ran)而(?),(?)钢(Gang)铁(Tie)在(Zai)长(Chang)期(Qi)使(Shi)用(Yong)过(Guo)程(Cheng)中(Zhong)极(Ji)易(Yi)受(Shou)到(Dao)外(Wai)界(Jie)环(Huan)境(Jing)的(De)影(Ying)响(Xiang)而(?)发(Fa)生(Sheng)腐(Fu)蚀(Shi)现(Xian)象(Xiang)。(?)这(Zhe)一(Yi)现(Xian)象(Xiang)不(Bu)仅(Jin)导(Dao)致(Zhi)了(Liao)巨(Ju)大(Da)的(De)经(Jing)济(Ji)损(Sun)失(Shi),(?)还(Huan)可(Ke)能(Neng)引(Yin)发(Fa)各(Ge)种(Zhong)工(Gong)业(Ye)事(Shi)故(Gu),(?)对(Dui)自(Zi)然(Ran)环(Huan)境(Jing)和(He)人(Ren)体(Ti)健(Jian)康(Kang)构(Gou)成(Cheng)严(Yan)重(Zhong)威(Wei)胁(Xie)。(?)因(Yin)此(Ci),(?)深(Shen)入(Ru)研(Yan)究(Jiu)钢(Gang)铁(Tie)材(Cai)料(Liao)的(De)腐(Fu)蚀(Shi)机(Ji)理(Li),(?)积(Ji)极(Ji)改(Gai)善(Shan)钢(Gang)铁(Tie)产(Chan)品(Pin)的(De)耐(Nai)腐(Fu)蚀(Shi)性(Xing),(?)并(Bing)准(Zhun)确(Que)预(Yu)测(Ce)材(Cai)料(Liao)的(De)使(Shi)用(Yong)寿(Shou)命(Ming),(?)显(Xian)得(De)尤(You)为(Wei)关(Guan)键(Jian)和(He)迫(Po)切(Qie)。(?)腐(Fu)蚀(Shi)包(Bao)括(Kuo)大(Da)气(Qi)腐(Fu)蚀(Shi)、(?)土(Tu)壤(Rang)腐(Fu)蚀(Shi)、(?)海(Hai)水(Shui)腐(Fu)蚀(Shi)等(Deng)种(Zhong)类(Lei),(?)其(Qi)中(Zhong)大(Da)气(Qi)腐(Fu)蚀(Shi)最(Zui)为(Wei)普(Pu)遍(Bian)。(?)大(Da)气(Qi)暴(Bao)露(Lu)试(Shi)验(Yan)可(Ke)以(Yi)直(Zhi)观(Guan)、(?)真(Zhen)实(Shi)反(Fan)映(Ying)产(Chan)品(Pin)的(De)大(Da)气(Qi)腐(Fu)蚀(Shi)周(Zhou)期(Qi)表(Biao)现(Xian),(?)但(Dan)具(Ju)有(You)试(Shi)验(Yan)周(Zhou)期(Qi)长(Chang)、(?)地(Di)域(Yu)限(Xian)制(Zhi)、(?)各(Ge)种(Zhong)影(Ying)响(Xiang)因(Yin)素(Su)作(Zuo)用(Yong)难(Nan)以(Yi)区(Qu)分(Fen)等(Deng)缺(Que)点(Dian)。(?)为(Wei)了(Liao)在(Zai)短(Duan)时(Shi)间(Jian)内(Nei)能(Neng)够(Gou)得(De)到(Dao)更(Geng)多(Duo)实(Shi)验(Yan)数(Shu)据(Ju),(?)研(Yan)究(Jiu)学(Xue)者(Zhe)开(Kai)始(Shi)开(Kai)展(Zhan)室(Shi)内(Nei)加(Jia)速(Su)腐(Fu)蚀(Shi)试(Shi)验(Yan)。(?)
作(Zuo)为(Wei)室(Shi)内(Nei)加(Jia)速(Su)试(Shi)验(Yan)的(De)经(Jing)典(Dian)方(Fang)法(Fa)之(Zhi)一(Yi),(?)盐(Yan)雾(Wu)试(Shi)验(Yan)模(Mo)拟(Ni)材(Cai)料(Liao)在(Zai)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)气(Qi)体(Ti)下(Xia)的(De)使(Shi)用(Yong)环(Huan)境(Jing),(?)加(Jia)速(Su)材(Cai)料(Liao)腐(Fu)蚀(Shi),(?)有(You)利(Li)于(Yu)分(Fen)析(Xi)腐(Fu)蚀(Shi)规(Gui)律(Lu),(?)预(Yu)测(Ce)钢(Gang)铁(Tie)腐(Fu)蚀(Shi)行(Xing)为(Wei),(?)因(Yin)此(Ci)被(Bei)广(Guang)泛(Fan)用(Yong)于(Yu)材(Cai)料(Liao)耐(Nai)腐(Fu)蚀(Shi)性(Xing)评(Ping)价(Jia)。(?)钢(Gang)铁(Tie)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)加(Jia)速(Su)试(Shi)验(Yan)是(Shi)当(Dang)前(Qian)研(Yan)究(Jiu)钢(Gang)铁(Tie)腐(Fu)蚀(Shi)的(De)基(Ji)础(Chu)性(Xing)试(Shi)验(Yan)之(Zhi)一(Yi),(?)也(Ye)是(Shi)企(Qi)业(Ye)质(Zhi)检(Jian)和(He)研(Yan)发(Fa)部(Bu)门(Men)考(Kao)核(He)产(Chan)品(Pin)防(Fang)腐(Fu)蚀(Shi)质(Zhi)量(Liang)的(De)重(Zhong)要(Yao)手(Shou)段(Duan)。(?)结(Jie)合(He)盐(Yan)雾(Wu)试(Shi)验(Yan)结(Jie)果(Guo)对(Dui)产(Chan)品(Pin)配(Pei)方(Fang)与(Yu)工(Gong)艺(Yi)进(Jin)行(Xing)控(Kong)制(Zhi)有(You)利(Li)于(Yu)对(Dui)腐(Fu)蚀(Shi)进(Jin)行(Xing)有(You)效(Xiao)控(Kong)制(Zhi)和(He)解(Jie)决(Jue)腐(Fu)蚀(Shi)带(Dai)来(Lai)的(De)损(Sun)失(Shi)和(He)危(Wei)害(Hai)。(?)本(Ben)文(Wen)聚(Ju)焦(Jiao)于(Yu)钢(Gang)铁(Tie)行(Xing)业(Ye),(?)旨(Zhi)在(Zai)概(Gai)述(Shu)影(Ying)响(Xiang)大(Da)气(Qi)腐(Fu)蚀(Shi)的(De)关(Guan)键(Jian)因(Yin)素(Su),(?)并(Bing)探(Tan)讨(Tao)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)测(Ce)试(Shi)在(Zai)钢(Gang)铁(Tie)行(Xing)业(Ye)中(Zhong)的(De)应(Ying)用(Yong)。(?)
图(Tu)1 进(Jin)行(Xing)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)试(Shi)验(Yan)的(De)钢(Gang)铁(Tie)产(Chan)品(Pin)
2 大(Da)气(Qi)腐(Fu)蚀(Shi)的(De)影(Ying)响(Xiang)因(Yin)素(Su)
大(Da)气(Qi)环(Huan)境(Jing)复(Fu)杂(Za)多(Duo)变(Bian),(?)钢(Gang)铁(Tie)在(Zai)不(Bu)同(Tong)环(Huan)境(Jing)条(Tiao)件(Jian)下(Xia)的(De)腐(Fu)蚀(Shi)机(Ji)理(Li)各(Ge)具(Ju)特(Te)点(Dian)。(?)使(Shi)用(Yong)环(Huan)境(Jing)的(De)温(Wen)湿(Shi)度(Du)及(Ji)其(Qi)变(Bian)化(Hua)、(?)大(Da)气(Qi)成(Cheng)分(Fen)、(?)降(Jiang)雨(Yu)等(Deng)多(Duo)种(Zhong)因(Yin)素(Su)共(Gong)同(Tong)作(Zuo)用(Yong)于(Yu)钢(Gang)铁(Tie)材(Cai)料(Liao)的(De)腐(Fu)蚀(Shi)过(Guo)程(Cheng)。(?)尽(Jin)管(Guan)腐(Fu)蚀(Shi)的(De)作(Zuo)用(Yong)机(Ji)制(Zhi)复(Fu)杂(Za)多(Duo)变(Bian),(?)但(Dan)均(Jun)可(Ke)视(Shi)为(Wei)水(Shui)、(?)氧(Yang)气(Qi)和(He)离(Li)子(Zi)这(Zhe)三(San)要(Yao)素(Su)综(Zong)合(He)作(Zuo)用(Yong)的(De)结(Jie)果(Guo)。(?)
一(Yi)般(Ban)而(?)言(Yan),(?)在(Zai)干(Gan)燥(Zao)的(De)环(Huan)境(Jing)中(Zhong),(?)金(Jin)属(Shu)材(Cai)料(Liao)几(Ji)乎(Hu)不(Bu)会(Hui)发(Fa)生(Sheng)腐(Fu)蚀(Shi)。(?)在(Zai)其(Qi)他(Ta)条(Tiao)件(Jian)相(Xiang)同(Tong)的(De)情(Qing)况(Kuang)下(Xia),(?)腐(Fu)蚀(Shi)速(Su)度(Du)与(Yu)相(Xiang)对(Dui)湿(Shi)度(Du)的(De)增(Zeng)加(Jia)成(Cheng)正(Zheng)比(Bi)。(?)当(Dang)湿(Shi)度(Du)较(Jiao)高(Gao)时(Shi),(?)环(Huan)境(Jing)温(Wen)度(Du)的(De)波(Bo)动(Dong)可(Ke)能(Neng)导(Dao)致(Zhi)样(Yang)品(Pin)表(Biao)面(Mian)凝(Ning)结(Jie)水(Shui)珠(Zhu),(?)从(Cong)而(?)进(Jin)一(Yi)步(Bu)加(Jia)速(Su)腐(Fu)蚀(Shi)过(Guo)程(Cheng)。(?)当(Dang)发(Fa)生(Sheng)降(Jiang)雨(Yu)时(Shi),(?)产(Chan)品(Pin)表(Biao)面(Mian)受(Shou)到(Dao)冲(Chong)刷(Shua),(?)同(Tong)时(Shi)其(Qi)中(Zhong)溶(Rong)解(Jie)的(De)杂(Za)质(Zhi)与(Yu)离(Li)子(Zi)会(Hui)显(Xian)著(Zhu)加(Jia)速(Su)产(Chan)品(Pin)的(De)腐(Fu)蚀(Shi)速(Su)度(Du)。(?)对(Dui)于(Yu)某(Mou)些(Xie)特(Te)殊(Shu)地(Di)区(Qu),(?)酸(Suan)雨(Yu)中(Zhong)携(Xie)带(Dai)的(De)过(Guo)量(Liang)氢(Qing)离(Li)子(Zi)((?)H+)(?)还(Huan)会(Hui)吸(Xi)收(Shou)金(Jin)属(Shu)被(Bei)氧(Yang)化(Hua)时(Shi)失(Shi)去(Qu)的(De)电(Dian)子(Zi),(?)促(Cu)进(Jin)腐(Fu)蚀(Shi)。(?)
图(Tu)2 盐(Yan)离(Li)子(Zi)浓(Nong)度(Du)与(Yu)钢(Gang)铁(Tie)腐(Fu)蚀(Shi)速(Su)率(Lu)的(De)相(Xiang)关(Guan)性(Xing)
除(Chu)了(Liao)水(Shui)分(Fen),(?)离(Li)子(Zi)是(Shi)腐(Fu)蚀(Shi)的(De)又(You)一(Yi)关(Guan)键(Jian)要(Yao)素(Su)。(?)氯(Lu)离(Li)子(Zi)和(He)硫(Liu)酸(Suan)根(Gen)离(Li)子(Zi)是(Shi)主(Zhu)要(Yao)的(De)腐(Fu)蚀(Shi)关(Guan)键(Jian)离(Li)子(Zi),(?)图(Tu)1描(Miao)述(Shu)了(Liao)盐(Yan)离(Li)子(Zi)浓(Nong)度(Du)与(Yu)钢(Gang)铁(Tie)腐(Fu)蚀(Shi)速(Su)率(Lu)的(De)相(Xiang)关(Guan)程(Cheng)度(Du),(?)由(You)于(Yu)盐(Yan)水(Shui)中(Zhong)的(De)离(Li)子(Zi)会(Hui)驱(Qu)走(Zou)氧(Yang)气(Qi),(?)因(Yin)此(Ci),(?)随(Sui)着(Zhuo)浓(Nong)度(Du)的(De)增(Zeng)加(Jia),(?)离(Li)子(Zi)的(De)存(Cun)在(Zai)会(Hui)降(Jiang)低(Di)腐(Fu)蚀(Shi)速(Su)率(Lu)。(?)其(Qi)他(Ta)腐(Fu)蚀(Shi)成(Cheng)分(Fen)还(Huan)包(Bao)括(Kuo)铵(An)根(Gen)离(Li)子(Zi)、(?)氮(Dan)氧(Yang)化(Hua)物(Wu)以(Yi)及(Ji)臭(Chou)氧(Yang),(?)他(Ta)们(Men)一(Yi)般(Ban)来(Lai)源(Yuan)于(Yu)大(Da)气(Qi),(?)可(Ke)以(Yi)追(Zhui)溯(Su)到(Dao)海(Hai)水(Shui)、(?)化(Hua)石(Shi)燃(Ran)料(Liao)、(?)废(Fei)料(Liao)、(?)废(Fei)气(Qi)、(?)有(You)机(Ji)反(Fan)应(Ying)物(Wu)等(Deng)。(?)另(Ling)外(Wai),(?)在(Zai)高(Gao)湿(Shi)环(Huan)境(Jing)下(Xia),(?)大(Da)气(Qi)中(Zhong)的(De)盐(Yan)分(Fen)会(Hui)发(Fa)生(Sheng)潮(Chao)解(Jie)现(Xian)象(Xiang),(?)从(Cong)而(?)进(Jin)一(Yi)步(Bu)延(Yan)长(Chang)潮(Chao)湿(Shi)时(Shi)间(Jian)并(Bing)提(Ti)高(Gao)腐(Fu)蚀(Shi)速(Su)度(Du)。(?)
表(Biao)1 几(Ji)种(Zhong)盐(Yan)的(De)潮(Chao)解(Jie)湿(Shi)度(Du)
盐(Yan) | DRH |
(KCl) | 85% |
硫(Liu)酸(Suan)铵(An) (NH4)2SO4 | 81% |
氯(Lu)化(Hua)钠(Na) (NaCl) | 76% |
硝(Xiao)酸(Suan)钠(Na) (NaNO3) | 74% |
氯(Lu)化(Hua)镁(Mei) (MgCl2) | 33% |
氯(Lu)化(Hua)钙(Gai)(CaCl2) | 31% |
图(Tu)3 发(Fa)生(Sheng)电(Dian)偶(Ou)腐(Fu)蚀(Shi)的(De)金(Jin)属(Shu)材(Cai)料(Liao)
表(Biao)1列(Lie)举(Ju)了(Liao)一(Yi)些(Xie)盐(Yan)的(De)潮(Chao)解(Jie)湿(Shi)度(Du),(?)当(Dang)环(Huan)境(Jing)高(Gao)于(Yu)这(Zhe)个(Ge)湿(Shi)度(Du),(?)将(Jiang)形(Xing)成(Cheng)液(Ye)态(Tai)盐(Yan)溶(Rong)液(Ye)。(?)例(Li)如(Ru),(?)氯(Lu)化(Hua)钠(Na)的(De)潮(Chao)解(Jie)湿(Shi)度(Du)为(Wei)76%。(?)当(Dang)相(Xiang)对(Dui)湿(Shi)度(Du)在(Zai)50%-76%之(Zhi)间(Jian)时(Shi),(?)盐(Yan)开(Kai)始(Shi)潮(Chao)解(Jie)但(Dan)尚(Shang)未(Wei)形(Xing)成(Cheng)连(Lian)续(Xu)的(De)薄(Bao)液(Ye)层(Ceng);(?)当(Dang)相(Xiang)对(Dui)湿(Shi)度(Du)高(Gao)于(Yu)76%时(Shi),(?)盐(Yan)表(Biao)面(Mian)会(Hui)形(Xing)成(Cheng)均(Jun)匀(Yun)的(De)电(Dian)解(Jie)液(Ye),(?)此(Ci)时(Shi)电(Dian)位(Wei)较(Jiao)负(Fu)的(De)阳(Yang)极(Ji)金(Jin)属(Shu)在(Zai)电(Dian)偶(Ou)作(Zuo)用(Yong)下(Xia)会(Hui)迅(Xun)速(Su)腐(Fu)蚀(Shi),(?)图(Tu)3展(Zhan)示(Shi)了(Liao)一(Yi)些(Xie)发(Fa)生(Sheng)电(Dian)偶(Ou)腐(Fu)蚀(Shi)的(De)金(Jin)属(Shu)材(Cai)料(Liao)。(?)此(Ci)外(Wai),(?)当(Dang)腐(Fu)蚀(Shi)发(Fa)生(Sheng)时(Shi),(?)如(Ru)果(Guo)温(Wen)度(Du)升(Sheng)高(Gao),(?)样(Yang)品(Pin)表(Biao)面(Mian)液(Ye)膜(Mo)中(Zhong)的(De)腐(Fu)蚀(Shi)离(Li)子(Zi)迁(Qian)移(Yi)速(Su)度(Du)会(Hui)进(Jin)一(Yi)步(Bu)加(Jia)快(Kuai),(?)同(Tong)时(Shi)氧(Yang)扩(Kuo)散(San)速(Su)度(Du)也(Ye)会(Hui)增(Zeng)强(Qiang),(?)从(Cong)而(?)进(Jin)一(Yi)步(Bu)加(Jia)速(Su)材(Cai)料(Liao)表(Biao)面(Mian)的(De)腐(Fu)蚀(Shi)速(Su)度(Du)。(?)
3 盐(Yan)雾(Wu)腐(Fu)蚀(Shi)加(Jia)速(Su)试(Shi)验(Yan)方(Fang)法(Fa)与(Yu)相(Xiang)关(Guan)标(Biao)准(Zhun)探(Tan)讨(Tao)
在(Zai)考(Kao)虑(Lu)影(Ying)响(Xiang)大(Da)气(Qi)腐(Fu)蚀(Shi)的(De)相(Xiang)关(Guan)要(Yao)素(Su)的(De)基(Ji)础(Chu)上(Shang),(?)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)加(Jia)速(Su)试(Shi)验(Yan)依(Yi)据(Ju)相(Xiang)关(Guan)标(Biao)准(Zhun),(?)通(Tong)过(Guo)控(Kong)制(Zhi)盐(Yan)雾(Wu)箱(Xiang)模(Mo)拟(Ni)材(Cai)料(Liao)在(Zai)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)气(Qi)体(Ti)下(Xia)的(De)使(Shi)用(Yong)环(Huan)境(Jing),(?)加(Jia)速(Su)材(Cai)料(Liao)腐(Fu)蚀(Shi),(?)帮(Bang)助(Zhu)人(Ren)们(Men)分(Fen)析(Xi)腐(Fu)蚀(Shi)规(Gui)律(Lu),(?)评(Ping)价(Jia)产(Chan)品(Pin)耐(Nai)腐(Fu)蚀(Shi)性(Xing)能(Neng),(?)预(Yu)测(Ce)腐(Fu)蚀(Shi)行(Xing)为(Wei)。(?)产(Chan)品(Pin)盐(Yan)雾(Wu)试(Shi)验(Yan)的(De)结(Jie)果(Guo)在(Zai)所(Suo)用(Yong)盐(Yan)雾(Wu)箱(Xiang)符(Fu)合(He)标(Biao)准(Zhun)要(Yao)求(Qiu)的(De)前(Qian)提(Ti)下(Xia),(?)主(Zhu)要(Yao)会(Hui)受(Shou)到(Dao)试(Shi)验(Yan)温(Wen)湿(Shi)度(Du)、(?)盐(Yan)雾(Wu)沉(Chen)降(Jiang)量(Liang)、(?)溶(Rong)液(Ye)离(Li)子(Zi)浓(Nong)度(Du)、(?)喷(Pen)雾(Wu)压(Ya)力(Li)、(?)喷(Pen)雾(Wu)均(Jun)匀(Yun)性(Xing)、(?)产(Chan)品(Pin)摆(Bai)放(Fang)位(Wei)置(Zhi)等(Deng)多(Duo)种(Zhong)因(Yin)素(Su)的(De)影(Ying)响(Xiang)。(?)钢(Gang)铁(Tie)行(Xing)业(Ye)常(Chang)用(Yong)的(De)腐(Fu)蚀(Shi)测(Ce)试(Shi)方(Fang)法(Fa)及(Ji)相(Xiang)关(Guan)标(Biao)准(Zhun)包(Bao)括(Kuo)以(Yi)下(Xia):(?)
3.1 持(Chi)续(Xu)盐(Yan)雾(Wu)试(Shi)验(Yan)
持(Chi)续(Xu)盐(Yan)雾(Wu)测(Ce)试(Shi)是(Shi)一(Yi)种(Zhong)实(Shi)验(Yan)室(Shi)模(Mo)拟(Ni)腐(Fu)蚀(Shi)性(Xing)盐(Yan)环(Huan)境(Jing)的(De)测(Ce)试(Shi)方(Fang)法(Fa),(?)用(Yong)于(Yu)评(Ping)估(Gu)表(Biao)面(Mian)涂(Tu)层(Ceng)承(Cheng)受(Shou)大(Da)气(Qi)腐(Fu)蚀(Shi)的(De)能(Neng)力(Li),(?)并(Bing)检(Jian)查(Cha)涂(Tu)层(Ceng)是(Shi)否(Fou)适(Shi)合(He)使(Shi)用(Yong)保(Bao)护(Hu)面(Mian)漆(Qi)。(?)以(Yi)ISO 9227为(Wei)例(Li),(?)其(Qi)提(Ti)供(Gong)了(Liao)一(Yi)种(Zhong)持(Chi)续(Xu)盐(Yan)雾(Wu)试(Shi)验(Yan)标(Biao)准(Zhun)化(Hua)方(Fang)法(Fa),(?)在(Zai)试(Shi)验(Yan)过(Guo)程(Cheng)中(Zhong),(?)使(Shi)用(Yong)特(Te)定(Ding)的(De)盐(Yan)溶(Rong)液(Ye)制(Zhi)备(Bei)盐(Yan)雾(Wu)喷(Pen)雾(Wu),(?)将(Jiang)材(Cai)料(Liao)或(Huo)涂(Tu)层(Ceng)暴(Bao)露(Lu)在(Zai)盐(Yan)雾(Wu)喷(Pen)雾(Wu)中(Zhong)一(Yi)定(Ding)的(De)时(Shi)间(Jian),(?)并(Bing)定(Ding)期(Qi)观(Guan)察(Cha)和(He)评(Ping)估(Gu)其(Qi)腐(Fu)蚀(Shi)程(Cheng)度(Du),(?)可(Ke)用(Yong)于(Yu)比(Bi)较(Jiao)不(Bu)同(Tong)材(Cai)料(Liao)和(He)涂(Tu)层(Ceng)在(Zai)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)环(Huan)境(Jing)下(Xia)的(De)性(Xing)能(Neng)。(?)NSS、(?)AASS和(He)CASS是(Shi)该(Gai)标(Biao)准(Zhun)下(Xia)常(Chang)用(Yong)的(De)三(San)种(Zhong)盐(Yan)雾(Wu)测(Ce)试(Shi)方(Fang)法(Fa),(?)表(Biao)总(Zong)结(Jie)了(Liao)他(Ta)们(Men)各(Ge)自(Zi)的(De)特(Te)点(Dian)和(He)试(Shi)验(Yan)条(Tiao)件(Jian)。(?)
表(Biao)2 NSS、(?)AASS和(He)CASS测(Ce)试(Shi)条(Tiao)件(Jian)
| 温(Wen)度(Du)(℃(?)) | pH (收(Shou)集(Ji)溶(Rong)液(Ye)) | CR4 -质(Zhi)量(Liang)损(Sun)失(Shi) (g/m2) | 沉(Chen)降(Jiang)量(Liang) (ml/80cm2/h) | NaCl % (收(Shou)集(Ji)溶(Rong)液(Ye)) |
NSS | 35 | 6.5-7.2 | 70±20 ((?)48 h)(?) | 1.5 ±0.5 | 50±5 g/l |
AASS | 35 | 3.1-3.3 | 40±10 ((?)24 h)(?) | ||
CASS | 50 | 3.1-3.3 | 55±15((?)24 h)(?) |
NSS,(?)即(Ji)中(Zhong)性(Xing)盐(Yan)雾(Wu)试(Shi)验(Yan)((?)Neutral Salt Spray)(?),(?)是(Shi)盐(Yan)雾(Wu)测(Ce)试(Shi)的(De)基(Ji)础(Chu),(?)适(Shi)用(Yong)于(Yu)测(Ce)试(Shi)一(Yi)般(Ban)金(Jin)属(Shu)材(Cai)料(Liao)和(He)涂(Tu)层(Ceng)的(De)耐(Nai)腐(Fu)蚀(Shi)性(Xing)能(Neng),(?)如(Ru)钢(Gang)材(Cai)、(?)铝(Lu)材(Cai)、(?)锌(Xin)材(Cai)、(?)铜(Tong)材(Cai)等(Deng);(?)AASS,(?)即(Ji)醋(Cu)酸(Suan)盐(Yan)雾(Wu)试(Shi)验(Yan)((?)Acetic Acid Salt Spray)(?)是(Shi)在(Zai)NSS溶(Rong)液(Ye)中(Zhong)添(Tian)加(Jia)pH范(Fan)围(Wei)为(Wei)3.1至(Zhi)3.3的(De)冰(Bing)醋(Cu)酸(Suan),(?)适(Shi)用(Yong)于(Yu)测(Ce)试(Shi)镀(Du)层(Ceng)和(He)表(Biao)面(Mian)处(Chu)理(Li)的(De)耐(Nai)腐(Fu)蚀(Shi)性(Xing)能(Neng),(?)如(Ru)电(Dian)镀(Du)、(?)阳(Yang)极(Ji)氧(Yang)化(Hua)等(Deng);(?)CASS,(?)即(Ji)铜(Tong)加(Jia)速(Su)醋(Cu)酸(Suan)盐(Yan)雾(Wu)试(Shi)验(Yan)((?)Copper Accelerated Acetic Acid Salt Spray)(?),(?)是(Shi)在(Zai)AASS溶(Rong)液(Ye)中(Zhong)添(Tian)加(Jia)pH范(Fan)围(Wei)为(Wei)3.1至(Zhi)3.3的(De)氯(Lu)化(Hua)铜(Tong)的(De)方(Fang)法(Fa),(?)同(Tong)样(Yang)适(Shi)用(Yong)于(Yu)测(Ce)试(Shi)镀(Du)层(Ceng)和(He)表(Biao)面(Mian)处(Chu)理(Li)的(De)耐(Nai)腐(Fu)蚀(Shi)性(Xing)能(Neng),(?)相(Xiang)对(Dui)于(Yu)NSS和(He)AASS,(?)CASS试(Shi)验(Yan)方(Fang)法(Fa)更(Geng)具(Ju)有(You)加(Jia)速(Su)作(Zuo)用(Yong)和(He)准(Zhun)确(Que)性(Xing),(?)但(Dan)试(Shi)验(Yan)成(Cheng)本(Ben)和(He)液(Ye)体(Ti)处(Chu)理(Li)成(Cheng)本(Ben)也(Ye)相(Xiang)应(Ying)更(Geng)高(Gao)。(?)同(Tong)时(Shi),(?)CASS试(Shi)验(Yan)方(Fang)法(Fa)需(Xu)要(Yao)使(Shi)用(Yong)铜(Tong)加(Jia)速(Su)剂(Ji),(?)因(Yin)此(Ci)在(Zai)环(Huan)保(Bao)性(Xing)方(Fang)面(Mian)可(Ke)能(Neng)会(Hui)存(Cun)在(Zai)一(Yi)定(Ding)的(De)问(Wen)题(Ti)。(?)
需(Xu)要(Yao)注(Zhu)意(Yi)的(De)是(Shi),(?)该(Gai)标(Biao)准(Zhun)只(Zhi)是(Shi)模(Mo)拟(Ni)了(Liao)特(Te)定(Ding)腐(Fu)蚀(Shi)环(Huan)境(Jing),(?)尽(Jin)管(Guan)通(Tong)过(Guo)该(Gai)标(Biao)准(Zhun)进(Jin)行(Xing)的(De)测(Ce)试(Shi)呈(Cheng)现(Xian)了(Liao)较(Jiao)好(Hao)的(De)测(Ce)试(Shi)结(Jie)果(Guo)可(Ke)重(Zhong)复(Fu)性(Xing)和(He)可(Ke)再(Zai)现(Xian)性(Xing),(?)但(Dan)还(Huan)是(Shi)存(Cun)在(Zai)一(Yi)定(Ding)局(Ju)限(Xian),(?)如(Ru)不(Bu)能(Neng)模(Mo)拟(Ni)多(Duo)样(Yang)的(De)环(Huan)境(Jing)、(?)通(Tong)常(Chang)会(Hui)产(Chan)生(Sheng)不(Bu)同(Tong)于(Yu)自(Zi)然(Ran)环(Huan)境(Jing)下(Xia)的(De)腐(Fu)蚀(Shi)产(Chan)物(Wu)、(?)与(Yu)室(Shi)外(Wai)腐(Fu)蚀(Shi)相(Xiang)关(Guan)性(Xing)较(Jiao)差(Cha)。(?)
3.2 循(Xun)环(Huan)腐(Fu)蚀(Shi)测(Ce)试(Shi)
循(Xun)环(Huan)腐(Fu)蚀(Shi)测(Ce)试(Shi)是(Shi)一(Yi)种(Zhong)比(Bi)传(Chuan)统(Tong)持(Chi)续(Xu)盐(Yan)雾(Wu)试(Shi)验(Yan)更(Geng)真(Zhen)实(Shi)的(De)盐(Yan)雾(Wu)喷(Pen)淋(Lin)测(Ce)试(Shi)。(?)因(Yin)为(Wei)大(Da)部(Bu)分(Fen)产(Chan)品(Pin)实(Shi)际(Ji)户(Hu)外(Wai)通(Tong)常(Chang)暴(Bao)露(Lu)在(Zai)干(Gan)湿(Shi)交(Jiao)替(Ti)环(Huan)境(Jing)中(Zhong),(?)模(Mo)拟(Ni)自(Zi)然(Ran)的(De)、(?)周(Zhou)期(Qi)性(Xing)条(Tiao)件(Jian),(?)实(Shi)验(Yan)室(Shi)加(Jia)速(Su)测(Ce)试(Shi)相(Xiang)关(Guan)性(Xing)会(Hui)更(Geng)高(Gao)。(?)研(Yan)究(Jiu)表(Biao)明(Ming),(?)经(Jing)过(Guo)循(Xun)环(Huan)腐(Fu)蚀(Shi)测(Ce)试(Shi)后(Hou),(?)样(Yang)品(Pin)的(De)相(Xiang)对(Dui)腐(Fu)蚀(Shi)率(Lu)、(?)结(Jie)构(Gou)、(?)形(Xing)态(Tai)和(He)户(Hu)外(Wai)的(De)腐(Fu)蚀(Shi)结(Jie)果(Guo)很(Hen)相(Xiang)似(Si)。(?)因(Yin)此(Ci),(?)循(Xun)环(Huan)腐(Fu)蚀(Shi)测(Ce)试(Shi)比(Bi)连(Lian)续(Xu)中(Zhong)性(Xing)盐(Yan)雾(Wu)喷(Pen)淋(Lin)法(Fa)更(Geng)接(Jie)近(Jin)真(Zhen)实(Shi)的(De)户(Hu)外(Wai)暴(Bao)露(Lu)。(?)该(Gai)方(Fang)法(Fa)在(Zai)汽(Qi)车(Che)行(Xing)业(Ye)得(De)到(Dao)广(Guang)泛(Fan)应(Ying)用(Yong)。(?)
循(Xun)环(Huan)腐(Fu)蚀(Shi)测(Ce)试(Shi)((?)CCT)(?)的(De)目(Mu)标(Biao)是(Shi)再(Zai)现(Xian)户(Hu)外(Wai)腐(Fu)蚀(Shi)环(Huan)境(Jing)的(De)腐(Fu)蚀(Shi)类(Lei)型(Xing)。(?)CCT测(Ce)试(Shi)把(Ba)样(Yang)品(Pin)暴(Bao)露(Lu)于(Yu)一(Yi)系(Xi)列(Lie)不(Bu)同(Tong)条(Tiao)件(Jian)循(Xun)环(Huan)环(Huan)境(Jing)中(Zhong)。(?)简(Jian)单(Dan)的(De)暴(Bao)露(Lu)循(Xun)环(Huan)把(Ba)样(Yang)品(Pin)暴(Bao)露(Lu)在(Zai)由(You)盐(Yan)雾(Wu)和(He)干(Gan)燥(Zao)条(Tiao)件(Jian)组(Zu)成(Cheng)的(De)循(Xun)环(Huan)中(Zhong),(?)更(Geng)复(Fu)杂(Za)的(De)测(Ce)试(Shi)方(Fang)法(Fa)除(Chu)了(Liao)要(Yao)求(Qiu)盐(Yan)雾(Wu)及(Ji)干(Gan)燥(Zao)循(Xun)环(Huan)外(Wai),(?)还(Huan)加(Jia)入(Ru)浸(Jin)泡(Pao)、(?)潮(Chao)湿(Shi)和(He)冷(Leng)凝(Ning)等(Deng)循(Xun)环(Huan)。(?)最(Zui)初(Chu)这(Zhe)些(Xie)测(Ce)试(Shi)循(Xun)环(Huan)是(Shi)通(Tong)过(Guo)人(Ren)工(Gong)操(Cao)作(Zuo)来(Lai)完(Wan)成(Cheng)的(De),(?)实(Shi)验(Yan)室(Shi)操(Cao)作(Zuo)人(Ren)员(Yuan)把(Ba)样(Yang)品(Pin)从(Cong)盐(Yan)雾(Wu)喷(Pen)淋(Lin)箱(Xiang)移(Yi)到(Dao)潮(Chao)湿(Shi)试(Shi)验(Yan)箱(Xiang),(?)再(Zai)移(Yi)到(Dao)干(Gan)燥(Zao)装(Zhuang)置(Zhi)等(Deng)。(?)现(Xian)在(Zai),(?)微(Wei)处(Chu)理(Li)器(Qi)控(Kong)制(Zhi)的(De)测(Ce)试(Shi)箱(Xiang)可(Ke)以(Yi)自(Zi)动(Dong)完(Wan)成(Cheng)这(Zhe)些(Xie)测(Ce)试(Shi)步(Bu)骤(Zhou),(?)精(Jing)准(Zhun)控(Kong)制(Zhi)环(Huan)境(Jing)箱(Xiang)的(De)温(Wen)湿(Shi)度(Du)与(Yu)模(Mo)式(Shi)转(Zhuan)换(Huan),(?)降(Jiang)低(Di)了(Liao)工(Gong)作(Zuo)强(Qiang)度(Du),(?)也(Ye)减(Jian)少(Shao)了(Liao)试(Shi)验(Yan)的(De)不(Bu)确(Que)定(Ding)性(Xing)。(?)
Prohesion测(Ce)试(Shi)是(Shi)早(Zao)期(Qi)的(De)循(Xun)环(Huan)盐(Yan)雾(Wu)试(Shi)验(Yan),(?)起(Qi)源(Yuan)于(Yu)英(Ying)国(Guo),(?)主(Zhu)要(Yao)应(Ying)用(Yong)于(Yu)工(Gong)业(Ye)防(Fang)护(Hu)涂(Tu)料(Liao)的(De)测(Ce)试(Shi),(?)并(Bing)因(Yin)在(Zai)丝(Si)状(Zhuang)腐(Fu)蚀(Shi)性(Xing)测(Ce)试(Shi)中(Zhong)的(De)良(Liang)好(Hao)结(Jie)果(Guo)而(?)得(De)到(Dao)认(Ren)可(Ke)。(?)其(Qi)交(Jiao)替(Ti)使(Shi)用(Yong)盐(Yan)雾(Wu)喷(Pen)淋(Lin)与(Yu)干(Gan)燥(Zao),(?)与(Yu)连(Lian)续(Xu)中(Zhong)性(Xing)盐(Yan)雾(Wu)试(Shi)验(Yan)相(Xiang)比(Bi),(?)Prohesion测(Ce)试(Shi)与(Yu)户(Hu)外(Wai)大(Da)气(Qi)腐(Fu)蚀(Shi)的(De)相(Xiang)关(Guan)性(Xing)更(Geng)好(Hao),(?)但(Dan)在(Zai)试(Shi)验(Yan)过(Guo)程(Cheng)中(Zhong)通(Tong)常(Chang)没(Mei)有(You)严(Yan)格(Ge)的(De)相(Xiang)对(Dui)湿(Shi)度(Du)控(Kong)制(Zhi),(?)这(Zhe)可(Ke)能(Neng)导(Dao)致(Zhi)测(Ce)试(Shi)结(Jie)果(Guo)与(Yu)实(Shi)际(Ji)使(Shi)用(Yong)环(Huan)境(Jing)在(Zai)湿(Shi)度(Du)方(Fang)面(Mian)的(De)差(Cha)异(Yi),(?)从(Cong)而(?)影(Ying)响(Xiang)测(Ce)试(Shi)的(De)准(Zhun)确(Que)性(Xing),(?)目(Mu)前(Qian)逐(Zhu)渐(Jian)被(Bei)其(Qi)他(Ta)更(Geng)全(Quan)面(Mian)的(De)循(Xun)环(Huan)测(Ce)试(Shi)所(Suo)替(Ti)代(Dai);(?)ISO 16701 (GB/T 20853)是(Shi)关(Guan)于(Yu)金(Jin)属(Shu)和(He)合(He)金(Jin)在(Zai)人(Ren)造(Zao)大(Da)气(Qi)环(Huan)境(Jing)中(Zhong)腐(Fu)蚀(Shi)性(Xing)能(Neng)评(Ping)估(Gu)的(De)标(Biao)准(Zhun),(?)特(Te)别(Bie)是(Shi)在(Zai)间(Jian)歇(Xie)喷(Pen)洒(Sa)盐(Yan)溶(Rong)液(Ye)和(He)潮(Chao)湿(Shi)循(Xun)环(Huan)受(Shou)控(Kong)条(Tiao)件(Jian)下(Xia)的(De)加(Jia)速(Su)腐(Fu)蚀(Shi)试(Shi)验(Yan)。(?)测(Ce)试(Shi)对(Dui)象(Xiang)首(Shou)先(Xian)反(Fan)复(Fu)经(Jing)受(Shou)盐(Yan)溶(Rong)液(Ye)喷(Pen)雾(Wu),(?)然(Ran)后(Hou)经(Jing)受(Shou)数(Shu)小(Xiao)时(Shi)的(De)湿(Shi)润(Run)阶(Jie)段(Duan),(?)接(Jie)下(Xia)来(Lai)是(Shi)高(Gao)湿(Shi)度(Du)和(He)相(Xiang)对(Dui)干(Gan)燥(Zao)之(Zhi)间(Jian)交(Jiao)替(Ti)的(De)受(Shou)控(Kong)循(Xun)环(Huan)湿(Shi)度(Du)条(Tiao)件(Jian)阶(Jie)段(Duan);(?)ISO 14993((?)GB/T 20854)(?)同(Tong)样(Yang)适(Shi)用(Yong)于(Yu)金(Jin)属(Shu)和(He)合(He)金(Jin)腐(Fu)蚀(Shi)测(Ce)试(Shi),(?)其(Qi)更(Geng)注(Zhu)重(Zhong)于(Yu)盐(Yan)雾(Wu)、(?)干(Gan)燥(Zao)和(He)湿(Shi)润(Run)条(Tiao)件(Jian)的(De)交(Jiao)替(Ti)循(Xun)环(Huan),(?)试(Shi)验(Yan)条(Tiao)件(Jian)更(Geng)为(Wei)具(Ju)体(Ti),(?)旨(Zhi)在(Zai)通(Tong)过(Guo)模(Mo)拟(Ni)户(Hu)外(Wai)盐(Yan)污(Wu)染(Ran)环(Huan)境(Jing),(?)对(Dui)金(Jin)属(Shu)材(Cai)料(Liao)((?)包(Bao)括(Kuo)具(Ju)有(You)/临(Lin)时(Shi)腐(Fu)蚀(Shi)防(Fang)护(Hu)的(De)材(Cai)料(Liao))(?)的(De)耐(Nai)蚀(Shi)性(Xing)进(Jin)行(Xing)评(Ping)价(Jia);(?)ISO 16151((?)GB/T 24195)(?)标(Biao)准(Zhun)将(Jiang)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)液(Ye)的(De)pH值(Zhi)控(Kong)制(Zhi)在(Zai)3.5±0.1的(De)范(Fan)围(Wei)内(Nei),(?)属(Shu)于(Yu)更(Geng)为(Wei)严(Yan)苛(Ke)的(De)测(Ce)试(Shi)方(Fang)法(Fa),(?)旨(Zhi)在(Zai)通(Tong)过(Guo)模(Mo)拟(Ni)户(Hu)外(Wai)盐(Yan)污(Wu)染(Ran)/酸(Suan)雨(Yu)环(Huan)境(Jing)下(Xia)的(De)腐(Fu)蚀(Shi)过(Guo)程(Cheng)以(Yi)评(Ping)估(Gu)材(Cai)料(Liao)在(Zai)这(Zhe)些(Xie)条(Tiao)件(Jian)下(Xia)的(De)耐(Nai)腐(Fu)蚀(Shi)性(Xing)能(Neng)。(?)
需(Xu)要(Yao)注(Zhu)意(Yi)的(De)是(Shi),(?)以(Yi)上(Shang)标(Biao)准(Zhun)没(Mei)有(You)绝(Jue)对(Dui)的(De)优(You)劣(Lie)。(?)不(Bu)同(Tong)类(Lei)型(Xing)的(De)钢(Gang)铁(Tie)材(Cai)料(Liao)在(Zai)材(Cai)质(Zhi)、(?)涂(Tu)层(Ceng)材(Cai)料(Liao)及(Ji)厚(Hou)度(Du)以(Yi)及(Ji)使(Shi)用(Yong)环(Huan)境(Jing)等(Deng)方(Fang)面(Mian)存(Cun)在(Zai)差(Cha)异(Yi),(?)导(Dao)致(Zhi)它(Ta)们(Men)在(Zai)耐(Nai)腐(Fu)蚀(Shi)性(Xing)能(Neng)、(?)色(Se)差(Cha)、(?)光(Guang)泽(Ze)度(Du)等(Deng)方(Fang)面(Mian)的(De)表(Biao)现(Xian)各(Ge)不(Bu)相(Xiang)同(Tong)。(?)因(Yin)此(Ci),(?)为(Wei)了(Liao)准(Zhun)确(Que)评(Ping)估(Gu)这(Zhe)些(Xie)板(Ban)材(Cai)在(Zai)特(Te)定(Ding)环(Huan)境(Jing)下(Xia)的(De)性(Xing)能(Neng),(?)需(Xu)要(Yao)制(Zhi)定(Ding)不(Bu)同(Tong)的(De)试(Shi)验(Yan)条(Tiao)件(Jian)。(?)如(Ru)GB/T 13448是(Shi)关(Guan)于(Yu)彩(Cai)色(Se)涂(Tu)层(Ceng)钢(Gang)板(Ban)及(Ji)钢(Gang)带(Dai)试(Shi)验(Yan)方(Fang)法(Fa)的(De)标(Biao)准(Zhun),(?)其(Qi)中(Zhong)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)试(Shi)验(Yan)是(Shi)该(Gai)标(Biao)准(Zhun)中(Zhong)的(De)一(Yi)项(Xiang)重(Zhong)要(Yao)内(Nei)容(Rong),(?)其(Qi)对(Dui)于(Yu)家(Jia)电(Dian)彩(Cai)涂(Tu)板(Ban)和(He)建(Jian)筑(Zhu)彩(Cai)涂(Tu)板(Ban)就(Jiu)规(Gui)定(Ding)了(Liao)不(Bu)同(Tong)的(De)试(Shi)验(Yan)温(Wen)度(Du)与(Yu)条(Tiao)件(Jian),(?)具(Ju)体(Ti)见(Jian)图(Tu)4。(?)
图(Tu)4 GB/T 13448中(Zhong)循(Xun)环(Huan)盐(Yan)雾(Wu)试(Shi)验(Yan)条(Tiao)件(Jian)
3.3 其(Qi)他(Ta)循(Xun)环(Huan)盐(Yan)雾(Wu)组(Zu)合(He)试(Shi)验(Yan)
除(Chu)了(Liao)基(Ji)础(Chu)的(De)循(Xun)环(Huan)盐(Yan)雾(Wu)试(Shi)验(Yan)外(Wai),(?)还(Huan)存(Cun)在(Zai)一(Yi)些(Xie)特(Te)殊(Shu)的(De)循(Xun)环(Huan)盐(Yan)雾(Wu)组(Zu)合(He)试(Shi)验(Yan),(?)这(Zhe)些(Xie)试(Shi)验(Yan)结(Jie)合(He)了(Liao)其(Qi)他(Ta)环(Huan)境(Jing)因(Yin)素(Su),(?)如(Ru)紫(Zi)外(Wai)线(Xian)、(?)冷(Leng)冻(Dong)循(Xun)环(Huan)等(Deng),(?)以(Yi)更(Geng)全(Quan)面(Mian)地(Di)模(Mo)拟(Ni)实(Shi)际(Ji)使(Shi)用(Yong)环(Huan)境(Jing)中(Zhong)的(De)腐(Fu)蚀(Shi)情(Qing)况(Kuang),(?)提(Ti)高(Gao)产(Chan)品(Pin)的(De)测(Ce)试(Shi)相(Xiang)关(Guan)性(Xing)。(?)例(Li)如(Ru)ASTM D5894标(Biao)准(Zhun)就(Jiu)是(Shi)一(Yi)个(Ge)循(Xun)环(Huan)腐(Fu)蚀(Shi)+老(Lao)化(Hua)测(Ce)试(Shi)方(Fang)法(Fa),(?)其(Qi)测(Ce)试(Shi)条(Tiao)件(Jian)由(You)一(Yi)周(Zhou)QUV紫(Zi)外(Wai)暴(Bao)露(Lu)和(He)一(Yi)周(Zhou)Prohesion测(Ce)试(Shi)交(Jiao)替(Ti)进(Jin)行(Xing),(?)并(Bing)且(Qie)规(Gui)定(Ding)试(Shi)验(Yan)从(Cong)紫(Zi)外(Wai)曝(Pu)晒(Shai)开(Kai)始(Shi);(?)在(Zai)循(Xun)环(Huan)盐(Yan)雾(Wu)试(Shi)验(Yan)的(De)基(Ji)础(Chu)上(Shang)增(Zeng)加(Jia)冷(Leng)冻(Dong)循(Xun)环(Huan)可(Ke)以(Yi)模(Mo)拟(Ni)材(Cai)料(Liao)在(Zai)寒(Han)冷(Leng)和(He)潮(Chao)湿(Shi)环(Huan)境(Jing)中(Zhong)交(Jiao)替(Ti)暴(Bao)露(Lu)的(De)情(Qing)况(Kuang),(?)适(Shi)用(Yong)于(Yu)评(Ping)估(Gu)材(Cai)料(Liao)在(Zai)寒(Han)冷(Leng)气(Qi)候(Hou)条(Tiao)件(Jian)下(Xia)的(De)耐(Nai)久(Jiu)性(Xing)和(He)耐(Nai)腐(Fu)蚀(Shi)性(Xing),(?)如(Ru)极(Ji)地(Di)设(She)备(Bei)、(?)冷(Leng)藏(Cang)设(She)备(Bei)等(Deng)的(De)涂(Tu)层(Ceng)和(He)材(Cai)料(Liao)。(?)
其(Qi)他(Ta)循(Xun)环(Huan)盐(Yan)雾(Wu)组(Zu)合(He)试(Shi)验(Yan)还(Huan)有(You)如(Ru)循(Xun)环(Huan)盐(Yan)雾(Wu)+湿(Shi)热(Re)循(Xun)环(Huan)试(Shi)验(Yan),(?)其(Qi)可(Ke)以(Yi)模(Mo)拟(Ni)材(Cai)料(Liao)在(Zai)潮(Chao)湿(Shi)和(He)高(Gao)温(Wen)环(Huan)境(Jing)中(Zhong)交(Jiao)替(Ti)暴(Bao)露(Lu)的(De)情(Qing)况(Kuang),(?)这(Zhe)有(You)助(Zhu)于(Yu)评(Ping)估(Gu)材(Cai)料(Liao)在(Zai)热(Re)带(Dai)或(Huo)亚(Ya)热(Re)带(Dai)气(Qi)候(Hou)条(Tiao)件(Jian)下(Xia)的(De)耐(Nai)久(Jiu)性(Xing)和(He)耐(Nai)腐(Fu)蚀(Shi)性(Xing);(?)循(Xun)环(Huan)盐(Yan)雾(Wu)+干(Gan)热(Re)循(Xun)环(Huan)试(Shi)验(Yan)可(Ke)以(Yi)模(Mo)拟(Ni)材(Cai)料(Liao)在(Zai)干(Gan)燥(Zao)和(He)高(Gao)温(Wen)条(Tiao)件(Jian)下(Xia)交(Jiao)替(Ti)暴(Bao)露(Lu)的(De)情(Qing)况(Kuang),(?)有(You)助(Zhu)于(Yu)评(Ping)估(Gu)材(Cai)料(Liao)在(Zai)沙(Sha)漠(Mo)等(Deng)干(Gan)燥(Zao)环(Huan)境(Jing)中(Zhong)的(De)耐(Nai)久(Jiu)性(Xing)和(He)耐(Nai)腐(Fu)蚀(Shi)性(Xing);(?)循(Xun)环(Huan)盐(Yan)雾(Wu)+电(Dian)化(Hua)学(Xue)腐(Fu)蚀(Shi)试(Shi)验(Yan)是(Shi)在(Zai)循(Xun)环(Huan)盐(Yan)雾(Wu)试(Shi)验(Yan)的(De)基(Ji)础(Chu)上(Shang)增(Zeng)加(Jia)电(Dian)化(Hua)学(Xue)腐(Fu)蚀(Shi)测(Ce)试(Shi),(?)以(Yi)模(Mo)拟(Ni)材(Cai)料(Liao)在(Zai)电(Dian)化(Hua)学(Xue)腐(Fu)蚀(Shi)环(Huan)境(Jing)中(Zhong)的(De)行(Xing)为(Wei)。(?)这(Zhe)种(Zhong)组(Zu)合(He)试(Shi)验(Yan)有(You)助(Zhu)于(Yu)评(Ping)估(Gu)材(Cai)料(Liao)在(Zai)电(Dian)化(Hua)学(Xue)腐(Fu)蚀(Shi)条(Tiao)件(Jian)下(Xia)的(De)性(Xing)能(Neng),(?)如(Ru)海(Hai)洋(Yang)环(Huan)境(Jing)中(Zhong)的(De)船(Chuan)舶(Bo)和(He)海(Hai)洋(Yang)平(Ping)台(Tai)等(Deng)。(?)
综(Zong)上(Shang),(?)循(Xun)环(Huan)盐(Yan)雾(Wu)组(Zu)合(He)试(Shi)验(Yan)能(Neng)够(Gou)更(Geng)全(Quan)面(Mian)地(Di)模(Mo)拟(Ni)实(Shi)际(Ji)使(Shi)用(Yong)环(Huan)境(Jing)中(Zhong)的(De)腐(Fu)蚀(Shi)情(Qing)况(Kuang),(?)为(Wei)评(Ping)估(Gu)材(Cai)料(Liao)的(De)耐(Nai)久(Jiu)性(Xing)和(He)耐(Nai)腐(Fu)蚀(Shi)性(Xing)提(Ti)供(Gong)有(You)力(Li)支(Zhi)持(Chi)。(?)在(Zai)进(Jin)行(Xing)这(Zhe)些(Xie)试(Shi)验(Yan)时(Shi),(?)应(Ying)严(Yan)格(Ge)遵(Zun)循(Xun)相(Xiang)关(Guan)标(Biao)准(Zhun)的(De)要(Yao)求(Qiu)和(He)规(Gui)定(Ding),(?)以(Yi)确(Que)保(Bao)试(Shi)验(Yan)结(Jie)果(Guo)的(De)准(Zhun)确(Que)性(Xing)和(He)可(Ke)靠(Kao)性(Xing)。(?)
4 盐(Yan)雾(Wu)测(Ce)试(Shi)中(Zhong)的(De)相(Xiang)关(Guan)实(Shi)践(Jian)与(Yu)优(You)化(Hua)策(Ce)略(Lue)
在(Zai)盐(Yan)雾(Wu)试(Shi)验(Yan)中(Zhong),(?)为(Wei)确(Que)保(Bao)测(Ce)试(Shi)结(Jie)果(Guo)的(De)准(Zhun)确(Que)性(Xing)和(He)可(Ke)靠(Kao)性(Xing),(?)除(Chu)了(Liao)严(Yan)格(Ge)遵(Zun)循(Xun)设(She)定(Ding)的(De)试(Shi)验(Yan)条(Tiao)件(Jian)外(Wai),(?)正(Zheng)确(Que)操(Cao)作(Zuo)和(He)维(Wei)护(Hu)盐(Yan)雾(Wu)箱(Xiang)同(Tong)样(Yang)至(Zhi)关(Guan)重(Zhong)要(Yao)。(?)以(Yi)下(Xia)是(Shi)在(Zai)盐(Yan)雾(Wu)测(Ce)试(Shi)实(Shi)践(Jian)中(Zhong)应(Ying)重(Zhong)点(Dian)关(Guan)注(Zhu)的(De)几(Ji)个(Ge)方(Fang)面(Mian):(?)
3.1盐(Yan)雾(Wu)箱(Xiang)的(De)安(An)装(Zhuang)与(Yu)配(Pei)置(Zhi)要(Yao)求(Qiu)
盐(Yan)雾(Wu)箱(Xiang)应(Ying)单(Dan)独(Du)设(She)置(Zhi)在(Zai)一(Yi)个(Ge)独(Du)立(Li)的(De)房(Fang)间(Jian)内(Nei),(?)以(Yi)避(Bi)免(Mian)外(Wai)界(Jie)环(Huan)境(Jing)因(Yin)素(Su)对(Dui)测(Ce)试(Shi)结(Jie)果(Guo)产(Chan)生(Sheng)干(Gan)扰(Rao)。(?)在(Zai)安(An)装(Zhuang)过(Guo)程(Cheng)中(Zhong),(?)需(Xu)特(Te)别(Bie)注(Zhu)意(Yi)避(Bi)免(Mian)将(Jiang)空(Kong)调(Diao)出(Chu)风(Feng)口(Kou)、(?)温(Wen)湿(Shi)度(Du)控(Kong)制(Zhi)器(Qi)等(Deng)关(Guan)键(Jian)设(She)备(Bei)直(Zhi)接(Jie)放(Fang)置(Zhi)在(Zai)盐(Yan)雾(Wu)箱(Xiang)上(Shang)方(Fang),(?)以(Yi)防(Fang)止(Zhi)腐(Fu)蚀(Shi)性(Xing)雾(Wu)气(Qi)对(Dui)其(Qi)造(Zao)成(Cheng)损(Sun)害(Hai)。(?)此(Ci)外(Wai),(?)应(Ying)正(Zheng)确(Que)安(An)装(Zhuang)排(Pai)水(Shui)管(Guan),(?)并(Bing)定(Ding)期(Qi)清(Qing)洁(Jie)管(Guan)道(Dao),(?)以(Yi)防(Fang)止(Zhi)溶(Rong)液(Ye)滞(Zhi)留(Liu)和(He)管(Guan)道(Dao)堵(Du)塞(Sai),(?)确(Que)保(Bao)盐(Yan)雾(Wu)箱(Xiang)的(De)正(Zheng)常(Chang)运(Yun)行(Xing)。(?)
3.2定(Ding)期(Qi)核(He)查(Cha)与(Yu)记(Ji)录(Lu)
为(Wei)确(Que)保(Bao)盐(Yan)雾(Wu)测(Ce)试(Shi)条(Tiao)件(Jian)的(De)稳(Wen)定(Ding)性(Xing)和(He)准(Zhun)确(Que)性(Xing),(?)应(Ying)定(Ding)期(Qi)对(Dui)盐(Yan)雾(Wu)箱(Xiang)进(Jin)行(Xing)核(He)查(Cha)和(He)记(Ji)录(Lu)。(?)这(Zhe)包(Bao)括(Kuo)收(Shou)集(Ji)液(Ye)的(De)PT值(Zhi)、(?)比(Bi)重(Zhong)、(?)沉(Chen)降(Jiang)量(Liang)等(Deng)关(Guan)键(Jian)参(Can)数(Shu)的(De)测(Ce)量(Liang),(?)以(Yi)及(Ji)温(Wen)湿(Shi)度(Du)校(Xiao)准(Zhun)工(Gong)作(Zuo)。(?)通(Tong)过(Guo)定(Ding)期(Qi)核(He)查(Cha),(?)可(Ke)以(Yi)及(Ji)时(Shi)发(Fa)现(Xian)并(Bing)纠(Jiu)正(Zheng)潜(Qian)在(Zai)的(De)偏(Pian)差(Cha),(?)确(Que)保(Bao)测(Ce)试(Shi)结(Jie)果(Guo)的(De)准(Zhun)确(Que)性(Xing)和(He)可(Ke)靠(Kao)性(Xing)。(?)
3.3参(Can)比(Bi)样(Yang)板(Ban)的(De)比(Bi)对(Dui)标(Biao)定(Ding)
参(Can)比(Bi)样(Yang)板(Ban)在(Zai)盐(Yan)雾(Wu)测(Ce)试(Shi)中(Zhong)扮(Ban)演(Yan)着(Zhuo)至(Zhi)关(Guan)重(Zhong)要(Yao)的(De)角(Jiao)色(Se)。(?)使(Shi)用(Yong)标(Biao)准(Zhun)的(De)金(Jin)属(Shu)样(Yang)板(Ban)进(Jin)行(Xing)比(Bi)对(Dui)标(Biao)定(Ding),(?)可(Ke)以(Yi)确(Que)保(Bao)腐(Fu)蚀(Shi)箱(Xiang)的(De)正(Zheng)确(Que)使(Shi)用(Yong)和(He)操(Cao)作(Zuo)员(Yuan)的(De)正(Zheng)确(Que)操(Cao)作(Zuo)。(?)在(Zai)试(Shi)验(Yan)阶(Jie)段(Duan),(?)应(Ying)定(Ding)期(Qi)评(Ping)估(Gu)参(Can)比(Bi)样(Yang)板(Ban)的(De)质(Zhi)量(Liang)损(Sun)失(Shi),(?)以(Yi)判(Pan)断(Duan)测(Ce)试(Shi)的(De)重(Zhong)复(Fu)性(Xing)和(He)再(Zai)现(Xian)性(Xing)。(?)目(Mu)前(Qian),(?)许(Xu)多(Duo)测(Ce)试(Shi)标(Biao)准(Zhun)如(Ru)ISO 9227、(?)GMW 14872等(Deng)都(Du)在(Zai)广(Guang)泛(Fan)使(Shi)用(Yong)参(Can)比(Bi)样(Yang)板(Ban)进(Jin)行(Xing)比(Bi)对(Dui)标(Biao)定(Ding)。(?)以(Yi)ISO 9227为(Wei)例(Li),(?)中(Zhong)性(Xing)盐(Yan)雾(Wu)试(Shi)验(Yan)48小(Xiao)时(Shi)后(Hou),(?)参(Can)比(Bi)样(Yang)板(Ban)的(De)失(Shi)重(Zhong)范(Fan)围(Wei)应(Ying)在(Zai)(70±20) g/m之(Zhi)间(Jian),(?)这(Zhe)代(Dai)表(Biao)了(Liao)中(Zhong)性(Xing)盐(Yan)雾(Wu)试(Shi)验(Yan)((?)如(Ru)ASTM B117、(?)ISO 9227)(?)的(De)重(Zhong)复(Fu)性(Xing)和(He)再(Zai)现(Xian)性(Xing)良(Liang)好(Hao)。(?)在(Zai)实(Shi)际(Ji)操(Cao)作(Zuo)中(Zhong),(?)可(Ke)以(Yi)通(Tong)过(Guo)调(Diao)整(Zheng)盐(Yan)雾(Wu)沉(Chen)降(Jiang)率(Lu)来(Lai)控(Kong)制(Zhi)参(Can)比(Bi)样(Yang)板(Ban)的(De)失(Shi)重(Zhong),(?)如(Ru)通(Tong)过(Guo)调(Diao)整(Zheng)盐(Yan)雾(Wu)沉(Chen)降(Jiang)量(Liang)从(Cong)1.40 mL/h到(Dao)1.82 mL/h,(?)使(Shi)得(De)coupon板(Ban)试(Shi)验(Yan)的(De)失(Shi)重(Zhong)更(Geng)接(Jie)近(Jin)失(Shi)重(Zhong)范(Fan)围(Wei)的(De)中(Zhong)间(Jian)值(Zhi)。(?)
3.4独(Du)立(Li)验(Yan)证(Zheng)与(Yu)满(Man)箱(Xiang)状(Zhuang)态(Tai)测(Ce)试(Shi)
为(Wei)了(Liao)确(Que)保(Bao)盐(Yan)雾(Wu)测(Ce)试(Shi)的(De)准(Zhun)确(Que)性(Xing)和(He)可(Ke)靠(Kao)性(Xing),(?)进(Jin)行(Xing)独(Du)立(Li)验(Yan)证(Zheng)与(Yu)满(Man)箱(Xiang)状(Zhuang)态(Tai)测(Ce)试(Shi)是(Shi)必(Bi)要(Yao)的(De)。(?)通(Tong)过(Guo)在(Zai)试(Shi)验(Yan)箱(Xiang)中(Zhong)心(Xin)设(She)置(Zhi)精(Jing)确(Que)的(De)温(Wen)湿(Shi)度(Du)传(Chuan)感(Gan)器(Qi),(?)我(Wo)们(Men)可(Ke)以(Yi)独(Du)立(Li)验(Yan)证(Zheng)盐(Yan)雾(Wu)箱(Xiang)CRH控(Kong)制(Zhi)器(Qi)的(De)读(Du)数(Shu),(?)确(Que)保(Bao)测(Ce)试(Shi)环(Huan)境(Jing)的(De)精(Jing)确(Que)控(Kong)制(Zhi)。(?)同(Tong)时(Shi),(?)满(Man)箱(Xiang)状(Zhuang)态(Tai)测(Ce)试(Shi)能(Neng)够(Gou)模(Mo)拟(Ni)真(Zhen)实(Shi)环(Huan)境(Jing)中(Zhong)产(Chan)品(Pin)或(Huo)材(Cai)料(Liao)所(Suo)处(Chu)的(De)紧(Jin)凑(?)空(Kong)间(Jian)和(He)可(Ke)能(Neng)的(De)气(Qi)流(Liu)扰(Rao)动(Dong),(?)减(Jian)少(Shao)边(Bian)缘(Yuan)效(Xiao)应(Ying),(?)有(You)利(Li)于(Yu)进(Jin)行(Xing)均(Jun)匀(Yun)性(Xing)评(Ping)估(Gu)。(?)通(Tong)过(Guo)调(Diao)整(Zheng)测(Ce)试(Shi)条(Tiao)件(Jian)如(Ru)盐(Yan)雾(Wu)沉(Chen)降(Jiang)率(Lu)和(He)温(Wen)湿(Shi)度(Du),(?)我(Wo)们(Men)可(Ke)以(Yi)更(Geng)准(Zhun)确(Que)地(Di)评(Ping)估(Gu)其(Qi)耐(Nai)腐(Fu)蚀(Shi)性(Xing)能(Neng),(?)为(Wei)后(Hou)续(Xu)的(De)决(Jue)策(Ce)和(He)改(Gai)进(Jin)提(Ti)供(Gong)坚(Jian)实(Shi)的(De)数(Shu)据(Ju)支(Zhi)持(Chi)。(?)
4. 结(Jie)论(Lun)
本(Ben)文(Wen)探(Tan)讨(Tao)了(Liao)钢(Gang)铁(Tie)材(Cai)料(Liao)在(Zai)大(Da)气(Qi)环(Huan)境(Jing)中(Zhong)的(De)腐(Fu)蚀(Shi)机(Ji)理(Li)及(Ji)其(Qi)影(Ying)响(Xiang)因(Yin)素(Su),(?)并(Bing)着(Zhuo)重(Zhong)分(Fen)析(Xi)了(Liao)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)加(Jia)速(Su)试(Shi)验(Yan)在(Zai)钢(Gang)铁(Tie)行(Xing)业(Ye)中(Zhong)的(De)应(Ying)用(Yong)。(?)首(Shou)先(Xian),(?)本(Ben)文(Wen)概(Gai)述(Shu)了(Liao)大(Da)气(Qi)腐(Fu)蚀(Shi)的(De)主(Zhu)要(Yao)影(Ying)响(Xiang)因(Yin)素(Su),(?)包(Bao)括(Kuo)温(Wen)湿(Shi)度(Du)、(?)大(Da)气(Qi)成(Cheng)分(Fen)、(?)降(Jiang)雨(Yu)等(Deng),(?)这(Zhe)些(Xie)因(Yin)素(Su)共(Gong)同(Tong)作(Zuo)用(Yong)于(Yu)钢(Gang)铁(Tie)材(Cai)料(Liao)的(De)腐(Fu)蚀(Shi)过(Guo)程(Cheng);(?)接(Jie)着(Zhuo),(?)本(Ben)文(Wen)详(Xiang)细(Xi)探(Tan)讨(Tao)了(Liao)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)加(Jia)速(Su)试(Shi)验(Yan)的(De)方(Fang)法(Fa)与(Yu)相(Xiang)关(Guan)标(Biao)准(Zhun)。(?)盐(Yan)雾(Wu)试(Shi)验(Yan)通(Tong)过(Guo)模(Mo)拟(Ni)材(Cai)料(Liao)在(Zai)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)气(Qi)体(Ti)下(Xia)的(De)使(Shi)用(Yong)环(Huan)境(Jing),(?)加(Jia)速(Su)材(Cai)料(Liao)腐(Fu)蚀(Shi),(?)从(Cong)而(?)分(Fen)析(Xi)腐(Fu)蚀(Shi)规(Gui)律(Lu)、(?)评(Ping)价(Jia)产(Chan)品(Pin)耐(Nai)腐(Fu)蚀(Shi)性(Xing)能(Neng)并(Bing)预(Yu)测(Ce)腐(Fu)蚀(Shi)行(Xing)为(Wei)。(?)持(Chi)续(Xu)盐(Yan)雾(Wu)试(Shi)验(Yan)、(?)循(Xun)环(Huan)腐(Fu)蚀(Shi)测(Ce)试(Shi)以(Yi)及(Ji)其(Qi)他(Ta)循(Xun)环(Huan)盐(Yan)雾(Wu)组(Zu)合(He)试(Shi)验(Yan)等(Deng)方(Fang)法(Fa)被(Bei)广(Guang)泛(Fan)应(Ying)用(Yong)于(Yu)钢(Gang)铁(Tie)行(Xing)业(Ye)的(De)耐(Nai)腐(Fu)蚀(Shi)性(Xing)评(Ping)价(Jia);(?)在(Zai)盐(Yan)雾(Wu)测(Ce)试(Shi)实(Shi)践(Jian)中(Zhong),(?)为(Wei)确(Que)保(Bao)测(Ce)试(Shi)结(Jie)果(Guo)的(De)准(Zhun)确(Que)性(Xing)和(He)可(Ke)靠(Kao)性(Xing),(?)本(Ben)文(Wen)还(Huan)提(Ti)出(Chu)了(Liao)相(Xiang)关(Guan)的(De)优(You)化(Hua)策(Ce)略(Lue),(?)包(Bao)括(Kuo)盐(Yan)雾(Wu)箱(Xiang)的(De)安(An)装(Zhuang)与(Yu)配(Pei)置(Zhi)要(Yao)求(Qiu)、(?)定(Ding)期(Qi)核(He)查(Cha)与(Yu)记(Ji)录(Lu)、(?)参(Can)比(Bi)样(Yang)板(Ban)的(De)比(Bi)对(Dui)标(Biao)定(Ding)以(Yi)及(Ji)独(Du)立(Li)验(Yan)证(Zheng)与(Yu)满(Man)箱(Xiang)状(Zhuang)态(Tai)测(Ce)试(Shi)等(Deng)。(?)这(Zhe)些(Xie)措(Cuo)施(Shi)有(You)助(Zhu)于(Yu)确(Que)保(Bao)测(Ce)试(Shi)条(Tiao)件(Jian)的(De)稳(Wen)定(Ding)性(Xing)和(He)准(Zhun)确(Que)性(Xing),(?)从(Cong)而(?)提(Ti)高(Gao)测(Ce)试(Shi)结(Jie)果(Guo)的(De)可(Ke)靠(Kao)性(Xing)。(?)
综(Zong)上(Shang)所(Suo)述(Shu),(?)本(Ben)文(Wen)通(Tong)过(Guo)研(Yan)究(Jiu)大(Da)气(Qi)腐(Fu)蚀(Shi)的(De)影(Ying)响(Xiang)因(Yin)素(Su)和(He)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)加(Jia)速(Su)试(Shi)验(Yan)的(De)应(Ying)用(Yong),(?)为(Wei)钢(Gang)铁(Tie)行(Xing)业(Ye)提(Ti)供(Gong)了(Liao)有(You)效(Xiao)的(De)耐(Nai)腐(Fu)蚀(Shi)性(Xing)评(Ping)价(Jia)方(Fang)法(Fa)。(?)这(Zhe)不(Bu)仅(Jin)有(You)助(Zhu)于(Yu)提(Ti)升(Sheng)钢(Gang)铁(Tie)产(Chan)品(Pin)的(De)质(Zhi)量(Liang)和(He)安(An)全(Quan)性(Xing),(?)还(Huan)能(Neng)为(Wei)企(Qi)业(Ye)带(Dai)来(Lai)显(Xian)著(Zhu)的(De)经(Jing)济(Ji)效(Xiao)益(Yi)和(He)社(She)会(Hui)效(Xiao)益(Yi)。(?)未(Wei)来(Lai),(?)随(Sui)着(Zhuo)科(Ke)技(Ji)的(De)不(Bu)断(Duan)发(Fa)展(Zhan),(?)盐(Yan)雾(Wu)腐(Fu)蚀(Shi)加(Jia)速(Su)试(Shi)验(Yan)的(De)方(Fang)法(Fa)和(He)技(Ji)术(Shu)将(Jiang)进(Jin)一(Yi)步(Bu)完(Wan)善(Shan),(?)为(Wei)钢(Gang)铁(Tie)行(Xing)业(Ye)的(De)可(Ke)持(Chi)续(Xu)发(Fa)展(Zhan)提(Ti)供(Gong)更(Geng)有(You)力(Li)的(De)支(Zhi)持(Chi)。(?)
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