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体育竞猜 > 技术文章 > 盐雾腐蚀试验的标准在汽车行业的应用
盐雾腐蚀试验的标准在汽车行业的应用
发布日期:2020-03-23      浏览次数:217

本文介绍了盐雾试验;盐雾试验的种类;如何正确地进行盐雾、腐蚀试验;不同行业国际国内标准的选择。尤其重点介绍了盐雾,腐蚀试验在汽车行业中的应用。

 1        前言

SUIZHEGUOJIAGONGYE、JISHU、JINGJIDEKUAISUFAZHAN,DUICHANPINZHILIANGHEKEKAOXINGYOULEGENGGAODEYAOQIU。YINCI,MUQIANYUELAIYUEDUODECHANPINDOUXUYAOJINXINGWENSHIDU、YANWU、FUSHIDENGDENGSHIYAN。BENWENTECILUNSHUNEIRONGRUXIA:

1)、YANWUSHIYANGAISHU,

2)、YANWUSHIYANZHONGLEI,

3)、XUNHUANFUSHIYANWUTEDIAN,

体育竞猜4)、XUNHUANFUSHIYANWUSHIYANDEXINGYESHICHANGXUQIU,

体育竞猜5)、YANWU、FUSHISHIYANDEGUONEI、GUOJIBIAOZHUNZAIGEXINGYELIDEYINGYONG,

体育竞猜6)、YANWU、FUSHISHIYANZAIQICHEGONGYELIDEYINGYONG。

 2       盐雾试验概述

2.1 YANWUFUSHI

体育竞猜YANWUFUSHISHIYIZHONGCHANGJIANHEjiJUPOHUAIXINGDEDAQIFUSHI。YANWUZHONGDELVLIZIHUICHUANTOUJINSHUCAILIAOBIAOMIANDEYANGHUACENGHEFANGHUCENG,YUNEIBUJINSHUFASHENGDIANHUAXUEFANYING,CONGERPOHUAIJINSHUCAILIAOBIAOMIANJIQIXINGNENG,JINERTONGGUOJINSHUBIAOMIANDEKONGXI、LIEFENGDUICHANPINZAOCHENGJINYIBUDEYINGXIANGHESUNHUAI。

2.2 YANWUSHIYAN

体育竞猜YANWUSHIYANSHIYIZHONGTONGGUOYANWUSHIYANSHEBEIMONIYANWUHUANJINGTIAOJIANLAIJIANCECHANPINHUOJINSHUCAILIAONAIFUSHIXINGNENGDEHUANJINGSHIYAN。SHIDUIHUANJINGZHONGDAQIYANWUZHUANGTAIDESHIYANSHIMONI,JUBIAOZHUNHUA、JIASUXINGDETEDIAN。YUTIANRANHUANJINGXIANGBI,YANWUSHIYANSHEBEIZHONGLVHUAWUDEYANNONGDUTONGCHANGSHITIANRANHUANJINGYANWUHANLIANGDEJIBEI;SHENZHIJISHIBEI。YINCI,FUSHISUDUDADATIGAO。ZAITIANRANHUANJINGXIABAOLU1NIANDEYANWUFUSHIZHUANGTAI,ZAIRENGONGMONIYANWUSHIYANHUANJINGTIAOJIANXIA24XIAOSHIJIKEWANCHENG,BINGDEDAOXIANGSIDEJIEGUO。

 3      盐雾腐蚀试验的种类

3.1 ZHONGXINGYANWUSHIYAN (NSS)

出现较早且目前应用领域广的一种加速腐蚀试验方法。试验条件为连续盐雾,温度35˚C;湿度95%以上;5%的氯化钠盐水溶液;溶液pH值设定在中性范围(6.5~7.2);降雾量为1~2mL/(h·80cm2)。盐雾沉降在被测试验件上,经过一定时间观察其表面腐蚀状态。

3.2 CUSUANYANWUSHIYAN (ASS)

体育竞猜ZAIZHONGXINGYANWUSHIYANDEJICHUSHANGFAZHANQILAIDE。SHIYANTIAOJIANSHIZAINSSDEJICHUSHANG,ZAI5%LVHUANARONGYEZHONGJIARUYIXIEBINGCUSUAN,RONGYEDEpHZHIJIANGWEI3ZUOYOU,XINGCHENGSUANXINGYANWU。FUSHISUDUYUESHI NSSSHIYAN3BEI。

体育竞猜3.3 TONGJIASUCUSUANYANWUSHIYAN (CASS)

WEILESHIYINGJINGJIJIGONGYEDEGAOSUFAZHAN,JINJINIANGENGDUODECHANPINKAISHICAIYONGZHEIZHONGJIASUCUSUANYANWUFUSHISHIYAN。SHIYANTIAOJIANWEIWENDU50℃,YANRONGYEZHONGJIARUSHAOLIANGTONGYAN—LVHUATONG,QIANGLIEYOUFAFUSHI。YANWUSHOUJIYEpHZHIWEI3.1-3.3,FUSHISUDUKEDANSSSHIYANDE8BEI。

3.4 JIAOBIANYANWUSHIYAN (XUNHUANFUSHIYANWUSHIYAN)

JIAOBIANYANWUSHIYANSHIYIZHONGZONGHEYANWUSHIYAN,JIJIANGYANWU、GANZAO、SHIRE(JINPAO、CHAOSHIHELENGNINGDENG)DENGCESHITIAOJIANJINXINGZUHEXUNHUAN,MONICHANPINDESHIJIYINGYONGHUANJING。TONGGUOCHAOTAIHUANJINGDESHENTOU,SHIYANWUFUSHIBUDANZAICHANPINBIAOMIANCHANSHENG,YEZAICHANPINNEIBUCHANSHENG。GAISHIYANJIANGCHANPINZAIYANWUHESHIRELIANGZHONGHUANJINGTIAOJIANXIAJIAOTIZHUANHUAN,ZUIHOUJIANCEZHENGJICHANPINDEDIANXINGNENGHEJIXIEXINGNENGYOUWUBIANHUA。

GAISHIYANZHUYAOYONGYUKONGQIANGXINGDEZHENGJICHANPINDECESHI。

体育竞猜QIAN3ZHONGYANWUSHIYANZHONGLEIJISHIYANYAOQIUJIANBIAO1。

体育竞猜BIAO1 YANWUSHIYANZHONGLEIJISHIYANYAOQIU

 

  

 

 

  
  
  
   

 

4     循环腐蚀盐雾试验特点

4.1 JIASUXING

1)ZAIYANWUJIEDUAN,YANWUPENSHEZAIBEICEJIANSHANG,YANWURONGYECHONGDANGFUSHIJIEZHI,SHIBEICEJIANFASHENGDIANHUAXUEFUSHI,CHUXIANSHENGXIU、QIPAOHUOQITABIANHUA。TONGGUOYANWUDELIANXUPENSHE,KEYIBAOCHIFUSHIJIEZHIDEGENGXIN,SHIYANGBIAOMIANDEFUSHIDEYICHIXUFAZHANHEJINXING;

体育竞猜2)ZAISHIREJIEDUAN(JINPAO、CHAOSHIHELENGNINGDENG),TONGGUOYANWUJIEDUANLEIJIZAISHIYANGBIAOMIANDEFUSHIJIEZHI,YOUSHIYANGBIAOMIANZHUJIANXIANGSHIYANGNEIBUKUOSAN,CONGERYINQISHIYANGSHENDUFANGXIANGDEFUSHI;

体育竞猜3)ZAIGANZAOJIEDUAN,SUIZHESHIDUJIANXIAO,DAOZHISHIYANGBIAOMIANSHANGYANRONGYENONGDUSHENGGAO,YINQIBIAOMIANFUSHISULVJIAKUAI。

体育竞猜TONGGUOYANWU、SHI、GANSANGEJIEDUANZUHEJIAOTIXUNHUAN,GAIBIANLECHUANTONGYANWULIANXUPENSHEDEJIANDANZHUANGTAI,SHIDEFUSHIBUDANFASHENGZAIBEICEJIANBIAOMIAN,YEHUIXIANGBEICEJIANNEIBUKUAISUSHENTOU,JIASUBEICEJIANDEFUSHICHENGDU,SUODUANCESHISHIJIAN,SHIYANGENGQUYANGEHEKUAISU。

4.2 FUZAXING

XUNHUANYANWUSHIYANKEYIMONIDAQIHUANJINGZHONGZHENSHIDEGANSHIJIAOTIDEZHUANGTAI。YOUYUXUNHUANZUHEDEBUTONG,KECHENGXIANDUOZHONGCESHIHUANJING,YUBEICEJIANZHENSHISHIYONGHUANJINGGENGWEIJIEJIN,GENGNENGJIANYANBEICEJIANZAIZHENSHIHUANJINGZHONGDEFUSHIZHUANGTAI,SHIYANDEZHUANGTAIGENGFUZA。

由于环腐蚀的测试操作需要在多个循环组合之间切换。最初,只能通过人工操作在不同试验箱完成。随着技术进步,目前,已开始通过单个试验箱完成自动循环盐雾试验。因试验及结构的复杂性,目前国产盐雾试验箱尚无法完全的支持。仅部分进口设备可全自动完成循环腐蚀盐雾试验过程。

 5    循环腐蚀盐雾试验的行业市场需求

体育竞猜1)TUCENGCAILIAOXINGYE:LIAOHEYOUQIDENGQIYE ;

体育竞猜2)JINSHUHEHEJINXINGYE:GANGTIEQIYE、JINSHULINGBUJIANHEDIANDUCENG、HANGKONG、CHUANBODENGJUNGONGQIYE;

3)DIANGONGDIANZICHANPINXINGYE:DIANZI、DIANQIXITONG;

体育竞猜4)QICHECAILIAOXINGYE:ZHENGCHECHANGJIQIPEITAOLINGBUJIANQIYE。

 6     国内、国际盐雾和腐蚀试验标准及不同行业的应用

6.1 TUCENGCAILIAOYONGXUNHUANFUSHIYANWUBIAOZHUNFANGFA(JIANBIAO2)

TUCENGLEICAILIAOKEYIJU ISO 11997-1:2005BIAOZHUNFANGFALAIJINXINGXUNHUANYANWUSHIYAN,RUBIAO1SUOSHIDESIZHONGBUTONGDEXUNHUANFANGSHI。QITEDIANSHIZAIMEIGEXUNHUANZHOUQIDEZHONGXINGYANWUJIEDUANHOU,ZHISHAOHANYOUYIGEGANZAOHUOZHOUWEIHUANJINGJIEDUAN,JIYANWUJIEDUANHOUJINXINGZHISHAOYICIDEGANSHIZHUANHUANQIEZAIYIGEZHOUQIZHONG,KEHANYOUDUOGEBUTONGWENDUDEGANZAOJIEDUAN。

FANGFAA  KEYONGYUQICHETUQIGANGBANHELINGBUJIANWAITUCENGDECESHI;

体育竞猜FANGFAB  ZHUYAOYONGYUCHELIANGYONGREGUTULIAODECESHI;

FANGFAC  ZEKEYONGYUSHUIRONGHUORUJIAOQILEICAILIAODECESHI;

体育竞猜FANGFAD  ZEKEZUOWEIFANGFUTUCENGDEYIZHONGTONGYONGXINGJIANCEFANGFA。

体育竞猜BIAO2 TUCENGCAILIAOYONGXUNHUANYANWUBIAOZHUNFANGFA

方法 

循环周期

A

盐雾(35ºC)  2 h→ 干燥(  60ºC 20- 30 %RH) 4h→ 湿热(50ºC >95%RH)  2 h

B

盐雾(35ºC)  24h→ 湿热(40ºC 100%RH) 8  h→ 环境温度(23ºC  50%RH) 16 h→ 湿热(40ºC 100%RH)  8h→ 环境温度(23ºC 50%RH)  16 h→ 湿热(40ºC 100%RH)  8 h→环境温度(23ºC50%RH)  16 h→湿热( 40ºC 100%RH)  8 h→环境温度(23ºC 50%RH)  16 h→ 环境温度(23ºC  50%) 46 h

 

C

盐雾(30ºC)  210 min→ 干燥(40ºC)  210 min→ 湿热(40ºC 75 %RH)  1470 min→ 干燥(30ºC)  102 min→ 盐雾(30ºC)  210 min→ 湿热(30ºC 95-100%RH)  378 min→ 干燥(35ºC)  180 min→  干燥(25ºC)  120 min

 

D

盐雾(30ºC)  0.5 h→ 湿热(30ºC 95%)  1. 5 h→ 干燥(50ºC)  2 h→ 干燥(30ºC) 2h

6.2 JINSHUHEHEJINYONGXUNHUANFUSHIYANWUBIAOZHUNFANGFA(JIANBIAO3)

体育竞猜JINSHUHEHEJINYONGXUNHUANYANWUBIAOZHUNFANGFAKEYIJU GB/T24195-2009 YIJIGB/T20854-2007 DEGUIDINGJINXING。 

1)GB/T 24195-2009《金属和合金的腐蚀酸性盐雾、“干燥”和“湿润”条件下的循环加速腐蚀试验》与 ISO 16151-2005中规定的方法相同,有方法A和方法B两种方法。

 2)WUFUSHIYE,PHZHIKONGZHIZAI3.5±0.1DEFANWEI,

体育竞猜SHUYUBIJIAOYANKEDECESHIFANGFA。

    a. FANGFAASHIYONGYUJINSHUJIQIHEJIN;JINSHUYINJITUCENG;YANGJIYANGHUATUCENGHEJINSHUCAILIAOSHANGDEYOUJITUCENG。

    b. FANGFABSHIYONGYUGANGBANSHANGDEYANGJITUCENGHEGANGBANSHANGDAIYOUZHUANHUANTUCENGDEYANGJITUCENG。

    c. GB/T 20854-2007《JINSHUHEHEJINDEFUSHI XUNHUANBAOLUZAIYANWU、“GAN”HE“SHI”TIAOJIANXIADEJIASUSHIYAN》YU ISO 14993-2001ZHONGGUIDINGDEFANGFAXIANGTONG

    d. GB/T 20854 / ISO 14993CAIYONGZHONGXINGLVHUANARONGYEZUOWEIYANWUFUSHIYE,PHZHIKONGZHIZAI6.5~7.2JIAN。JIAOZHISUANXINGRONGYE,SHIYANFANGFAXIANGDUIWENHE。

体育竞猜    e. SHIYONGYUJINSHUJIQIHEJIN;YANGXINGHEYINXINGJINSHUFUGAICENG;ZHUANHUAFUGAICENG;YANGJIYANGHUAWUFUGAICENG;JINSHUCAILIAOSHANGDEYOUJIFUGAICENGDENG。

体育竞猜BIAO3 JINSHUHEHEJINYONGXUNHUANFUSHIYANWUBIAOZHUNFANGFA

方法

循环周期

A

盐雾(35 ºC) 2 h→ 干燥( 60 ºC<30 %RH ) 4 h  → 湿热(50 ºC>30%RH) 2 h

B

盐雾(35 ºC) 1 h→ 干燥( 60 ºC<30 %RH ) 4 h  → 温热(40 ºC 85 %RH) 3 h

C

盐雾(35 ºC) 2 h→ 干燥( 60 ºC<30 %RH ) 4 h  → 温热(50 ºC> 30%RH) 2 h

6.3 电工电子产品用循环盐雾标准方法(见表4)

体育竞猜DIANGONGDIANZICHANPINYONGXUNHUANYANWUSHIYANBIAOZHUNFANGFAKEANZHAOGB/T 2423.18-2012 SHIYANFANGFA。

1)GB/T 2423.18-2012《HUANJINGSHIYAN DI2 BUFEN:SHIYANFANGFASHIYANKb:YANWU, JIAOBIAN(LVHUANARONGYE)》 YUIEC 68-2-52-1996ZHONGCAIYONGDEFANGFAXIANGTONG。

2)GB/T 2423.18 / IEC 68-2-52 XUNHUANCESHIYOUSANZHONGCESHIJIEDUANZUCHENG:

   a.YANWU:15~35 ºC、5 %DELVHUANARONGYE、PHZHI6.5~7.2;

   b.SHIRE:40 ºC、93 %RH;

   c.CHUCUN:23 ºC、45~50 %RH。

CIFANGFADETEDIANSHICAIYONGYANWU、SHIREJIACHUCUNHUANJINGDEZUHE,MEIYOUJIARUGAOWENGANZAOJIEDUAN。ZAIMEIGEXUNHUANZHOUQIZHONGSHIREJIEDUANXIANGDUIJIAOZHANG,YIBAOZHENGBEICEJIANBIAOMIANFUSHIJIEZHIDECHONGFENSHENTOU,BINGZAISUIHOUDECHUCUNHUANJINGZHONGMANMANGANZAO。SANZHONGCESHIJIEDUANKEZUHEWEI6ZHONGBUTONGYANKUDENGJICESHI,JIANBIAO4。

BIAO4 DIANGONGDIANZICHANPINYONGXUNHUANYANWUBIAOZHUNFANGFA

等级

循环周期

试验周期

(1)

盐雾2h  →湿热7d ,每周期7d

4个循环

(2)

盐雾2h→温热20~22  h,每周期24 h  

3个循环

(3)

(2)

3个循环+3  d储存

(4)

(2)

重复2(3)

(5)

(2)   

重复4(3)

(6)

(2)   

重复8(3)

6.4 QICHECAILIAOYONGXUNHUANYANWUBIAOZHUNFANGFA

QICHEXINGYESHIzuiZAOSHIYONGXUNHUANYANWUSHIYANZUOWEICHANPINKEKAOXINGDEPINGJIASHOUDUANDEXINGYEZHIYI。JIBENSHANGGEDAQICHESHENGCHANCHANGJIADOUYOUZIJIDEXUNHUANYANWUSHIYANBIAOZHUN,YONGYIMONIQICHECAILIAOZAISHIYONGHUANJINGZHONGDEFUSHIQINGKUANG。

1# CCT XUNHUAN

体育竞猜CCTSHIYOURIBENRICHANQICHENissanTICHUDE, YESHIzuiZAOBEIYINGYONGDEXUNHUANFUSHISHIYANBIAOZHUNFANGFAZHIYI,ZAICHUANTONGZHONGXINGYANWUFANGFADEJICHUSHANGYOUJIAJINLESHIREHEGANZAO。CCTXUNHUANYANWUBIAOZHUNFANGFAJIANBIAO5。

BIAO5. CCTXUNHUANYANWUBIAOZHUNFANGFA

方法      

循环周期

CCT I

盐雾(35ºC) 4 h→  干燥(60ºC < 35 %RH) 2 h→  湿热(50ºC95%RH) 2 h

CCT II

盐雾( 35ºC) 2 h→  干燥(60ºC < 35 %RH) 4 h→  湿热(50ºC95%RH) 2 h

CCT III

盐溶液浸湿(45ºC) 4.5min→  湿热(40ºC> 95%RH)15 min→干燥(50ºC <30%RH) 7.5 min

CCT IV

盐雾(50ºC) 10 min→  干燥(60ºC < 30%RH) 155 min →

湿热(60ºC 95%RH) 75 min →干燥(60ºC <30%RH) 160 min→ 湿热(60ºC 95%RH) 80 min ,在每个循环中,最后两个阶段重复5

 

首先在JASO M610-1992 Cosmetic corrosion test method for automotive parts 中形成了标准方法CCT I。经过在实践中的使用和改进,CCT方法已经发展到 CCT IV,CCT IV是目前被认为与实际车辆腐蚀结果相关性的方法之一,并被引用到 ASTM D 6899-2003 Standard Guide for Laboratory Cyclic Corrosion Testing of Auto. Painted Steel 中。

CCTFANGFAZHUYAOSHIYONGYUQICHEGANGBANJILINGBUJIANDECESHI。

体育竞猜2# GMW 14872

GMW 14872 Cyclic Corrosion Laboratory是美国通用汽车公司的循环盐雾试验标准方法, 其特点是采用湿热、干燥叠加储存环境的组合。

    JIHUANJINGWENDU (25 ºC,45%RH) 8 h→

    SHIRE (49 ºC,<100 %RH) 8 h→

    GANZAO (60 ºC,≤30 %RH) 8 hDEZHOUQIXUNHUANSHIYAN;

体育竞猜    ZAIZHOUMOHEJIEJIARI,BEICEJIANZAI25 ºC,45 %RHDEHUANJINGXIATIAOJIANCHUCUN。

该方法盐雾没有作为组合中的一个固定阶段,而是可以根据实际环境的特点,在环境温度阶段加入盐雾,如喷射溶液组成为NaCl 0.9 %,CaCl2 0.1 %,NaHCO3体育竞猜 (小苏打) 0.075 %的盐雾。除盐雾外,在环境温度阶段,也可加入其它环境因素,如砂砾、粉尘、热冲击、机械冲击等。

体育竞猜GENJUCHESHENDIBULINGJIAN、FADONGJICANGLINGJIAN、WAIBULINGJIANJINEIBULINGJIANDENGZHUDUOBUTONGDECHESHENWEIZHI,XUANZEBUTONGDEXUNHUANCISHU。

3# SAE J2334

SAE J2334  Laboratory Cyclic Corrosion Test 是由国际汽车工程师学会汽车腐蚀与防护委员会制定的的循环盐雾试验标准方法,该试验方法是采用盐雾、湿热、干燥叠加储存环境的组合。

    JIJINXINGHUANJINGWENDU(25 ºC,45 %RH)8 h→

    SHIRE(50 ºC,100 % RH)6 h→

    盐雾(环境温度+0.5 % NaCl, 0.1 % CaCl2和0.075 % NaHCO3盐溶液)0.25 h→

    GANZAO(60 ºC,50%RH)17.75 hDEZHOUQIXUNHUANSHIYAN。

体育竞猜    ZAIZHOUMOHEJIEJIARI,BEICEJIANZAI60 ºC, 50%RHDEHUANJINGXIATIAOJIANCHUCUN。

GAISHIYANFANGFADETEDIANSHIJINXINGHUANJINGWENDUTIAOJIANXIADEYANRONGYESHIYAN(dip, fog, spray),QIESHIJIANJIAODUAN;GANZAOSHIJIANJIAOZHANG。

体育竞猜CHANGYONGYUQICHETUZHUANGLEICHANPINDECESHI。

体育竞猜4# PV 1210

ZAIYANWUSHIYANDANGZHONGJIARUQIHOUYINSUKEZHENSHIZAIXIANHUANJINGZHUANGTAI,DANDUISHEBEIDEKONGZHIXITONGYETICHULEGENGGAODEYAOQIU。GUOWAIGONGSICHANPINJIXITONGDADUOSHUDOUCAIYONGLEMOKUAISHIJIEGOU,YIZHONGGAOXINGNENGDEZHIJIEWENDUKONGZHIXITONG,YOUFUZHUREJIAOHUANJIEZHIDEDAIYOUHUANCHONGXIAOYINGDEXUNHUAN,SHISHIYANXIANGNEIWENDUHESHIDUNENGBAOCHIGAODUDEWENDINGXING。

CHUCIYIWAI,ZHIJIEWENDUKONGZHIXITONGHAINENGSHIDEZAIBUBIANDEJIEJINBAOHEDIANDEGAOSHIDUQINGKUANGXIAJINXINGZHANGQIDESHIYAN。

体育竞猜PV1210 – P VWSHIDEGUODAZHONGQICHEGONGSIDECHESHENYUFUJIANXUNHUANYANWUFUSHIBIAOZHUN,SHIYINGYONGGUANGFANDEXUNHUANFUSHISHIYANBIAOZHUNZHIYI,GAISHIYANFANGFASHICAIYONGYANWU、SHIRE、DIEJIACHUCUNHUANJINGDEZUHE。

    JIJINXINGZHONGXINGYANWU( (50SHI5)g/L NaClYANRONGYE)4 h →

    HUANJINGWENDU(25 ºC, 50 %RH)4 h →

    SHIRE(40 ºC,100 % RH)16 h;

    ZHOUMOBEICEJIANZAI25 ºC, 50 %RH DEHUANJINGXIACHUCUN。

体育竞猜GAISHIYANFANGFAMEIYOUGANZAOJIEDUAN。

体育竞猜SHIYONGYUYOUTUCENGDECHESHEN、CHESHENBOBAN、JIEGOUZUJIANDENGSHIYANYANGPINDEFUSHIJIANCE。

5# QITAQICHEGONGYEDEZHONGYAOBIAOZHUN

FORD CETP:00.00-L-467 Global Laboratory Accelerated Cyclic Corrosion Test
VOLVO: VCS 1027,149  Accelerated corrosion test

VOLVO: VCS 1027,1449 Accelerated corrosion test, version II – ACT II
.

 7    在汽车工业中的单项与综合盐雾、腐蚀试验

体育竞猜SUIZHEKEJIDERIXINYUEYI,DUICHANPINPINZHITICHULEGENGGAODEYAOQIU。ZAICHANPINSHEJI、YANFA、GONGYIDENGJIEDUANDEZHILIANGGONGCHENGSHIDOUGENGQINGCHUYISHIDAOCHANPINKEKAOXINGJIANYANDEFANGFAHESHOUDUANDEZHONGYAOXING。

ZAICHANPINSHEJIYANFAJIEDUAN,YANFARENYUANZAIGUANZHUSHIXIANCHANPINGONGNENGDETONGSHIGENGJIAGUANZHUCHANPINDEKEKAOXINGHESHIYONGSHOUMING。DANZAIRICHANGHUANJINGZHONGWOMENHENNANDUANSHIJIANJIANCEHEGUANCHADAOCHANPINDEKANGFUSHIXINGNENG。LIRUSHEJIJINSHUCAILIAO,XINCAILIAOJISHUIRONGXINGYOUQIDENGDECHANPIN,DANGXUYAOQUEDINGBINGYUCEZHEIXIECHANPINDEKEKAOXINGHESHOUMINGSHI,YANWUFUSHISHIYANJIUXIANDEBIBUKESHAO。YOUQISHIQICHEXINGYE,QICHANPINDEGONGZUOZHUANGTAISHIBAOLUYUKONGQIZHONGDE,QIEGONGZUOCHANGSUODUOBIAN,NANMIANHUIJIECHUDAOYANWUFUSHI。YINCI,YANWUFUSHISHIYANZAIQICHEXINGYELIYOUWEIZHONGYAO。

7.1 DANXIANGSHIYAN

DAOMUQIANWEIZHI,ZAIWOGUOJIANCECHANPINDEZHUYAOGENJUSHIDANXIANGSHIYAN,QIZHONGZHONGYAODESHILENGNINGSHIYANHEYONGGEZHONGNaCl(LVHUANA)RONGYENONGDUDEYANWUSHIYAN。DANSHI,JISHIDUIYUYIXIEXIANGDUIJIAORONGYIGUIDINGDESHIYAN,LIRULENGNINGSHIYAN,TADEJIEGUOYEKEYISHIBUWENDINGDE,ZHEIYUSHIYANDESHUNXUYOUGUAN。ZAIZHANGQICHAOSHIQINGKUANGXIADESHIYANSUOZAOCHENGDEPOHUAIYUDUANQIJIELURANHOUSHUIFENZHENGFADESHIYANJIEGUOSHIBUWANQUANXIANGTONGDE。ZAIYANWUSHIYANSHISUOMONIDEFUSHILEIXINGSHISUIBUTONGDESHIJIANHESHIYANFANGFAERBIANHUADE。ZAISUOYOUDANXIANGSHIYANZHONGWOMENKEYIFAXIANYIGEWENTI,JISUIRANTAKEYIYONGDALIANGDETONGLEISHIJIANDIEJIAYIBUCHANGCHABIE,DANSHIJISHANGQUEBUKENENGZHAODAOYUSHIWAIQIHOUHUANJINGWANQUANYIZHIHUOMINGQUEDEXIANGGUANXING。

体育竞猜ZAOZHILIYUWAIJIEHUANJINGYUYANWUSHIYANXIANGGUANXINGYANJIUDESHIYOUDEGUOFADONGJICHELIANGZHIZAOSHANGXIEHUI(VDA) GONGZUOXIAOZU,BINGZHIDINGLEXIANGGUANDEBIAOZHUN。LIRU,CHELIANGDEYOUQIGONGYIYINGNENGZHAOCHUYIZHONGSHIYAN,TANENGJIAKUAISHIJIANYINSU(SUODUANSHIYANSHIJIAN) ,QIEQICHEZAIXINGJINZHONGBEIFUSHIDEZHUANGTAI。ZAICIZHUANGTAIXIASHIYANDEMUDESHIGUANCHAQIMIBIBUWEI、BIANYUANCHUHELIANJIECHUDEXIUSHIDEXINGCHENG。

JIEGUORENWEI,ZAISHIYANSHIYONGYANWUSHIYANSHEBEISHIXIANBIDAQIHUANJINGZHONGGENGYANKEDESHIYANTIAOJIANNENGDADAOSHIBANGONGBEIDEXIAOGUO。ANYANWUSHIYANBIAOZHUN(DIN 50021 SS) HELENGNINGSHIYANBIAOZHUN(DIN 50071 SFW) ,ZAILUTIANDAQIHUANJINGZHONGDIANXINGDESHIYANZHOUQISHI4DAO6XINGQISHIYAN,ZAIYANWUSHIYANSHEBEIZHONGZHIXU4DAO6 GESHIYANXUNHUAN。DUIYUDUOCENGGOUJIANKEYIZAIXIANTADEFUSHIXINGCHENG,YANWUSHIYANSHEBEIZHONGDE1CIXUNHUANXIANGDANGYULUTIANQIHOUHUANJINGXIABAOLUYUE3ZHOU。DUICHESHENNEIQIANGDIANHUOQIDEYICIXUNHUANDAZHIXIANGDANGYULUTIANQIHOUHUANJINGXIABAOLUYUE2ZHOU。

体育竞猜JIBIANRUCI,RENGBUNENGMANZURENMENDUICHANPINKEKAOXINGHESHOUMINGSHIYANKUAISU、ZHUNQUEDEYAOQIU,JIAOBIANSHIYANJIZONGHESHIYANYINGYUNERSHENG。

7.2 ZONGHESHIYAN

TONGGUOYANWU、SHIRE、GANZAOSANGEJIEDUANZUHEBIANHUAJIJIAOTIXUNHUAN, ZHENSHIZAIXIANWAIJIEHUANJINGZHUANGTAI,BINGJIASUSHIYANJINCHENG。BENWEN“DIWUXIANG”XIANGXILUNSHULEYANWUFUSHIZONGHESHIYANDEFANGFAHEYINGYONG。

另外请详见综合试验的曲线图,图3. VDA 循环试验,图4. PV 1210交变循环试验。

体育竞猜TUSAN(ZUO) VDA XUNHUANSHIYAN,     TUSI(YOU) PV 1210JIAOBIANXUNHUANSHIYAN。

7.3 试验手段的难点及解决方法

1# 交变试验的温度及气候控制

体育竞猜ZAIYANWUSHIYANDANGZHONGJIARUQIHOUYINSUKEZHENSHIZAIXIANHUANJINGZHUANGTAI,DANDUISHEBEIDEKONGZHIXITONGYETICHULEGENGGAODEYAOQIU。GUOWAIGONGSICHANPINJIXITONGDADUOSHUDOUCAIYONGLEMOKUAISHIJIEGOU,YIZHONGGAOXINGNENGDEZHIJIEWENDUKONGZHIXITONG,YOUFUZHUREJIAOHUANJIEZHIDEDAIYOUHUANCHONGXIAOYINGDEXUNHUAN,SHISHIYANXIANGNEIWENDUHESHIDUNENGBAOCHIGAODUDEWENDINGXING。

体育竞猜CHUCIYIWAI,ZHIJIEWENDUKONGZHIXITONGHAINENGSHIDEZAIBUBIANDEJIEJINBAOHEDIANDEGAOSHIDUQINGKUANGXIAJINXINGZHANGQIDESHIYAN。

2# 用于能再现结果的恒定喷雾

体育竞猜ZAIYANWUSHIYANZHONGHENGDINGDEYANWUGONGJIYESHIZAIXIANHUANJINGZHUANGTAIDEGUANJIAN。ZHIXIANJINWEIZHI,ZHULIUDEJIEJUEFANGFA,CHUKONGQIDIAOJIEYIWAI,YONGPENWUXITONGJIYUZHIXIANGGUANLIANDEYANSHUIGONGJIYUANYENENGSHIXIANJIEJUEHENGDINGPENWUWENTI。YOUYUYANSHUISHIJINGYOUPENZUIJINXINGWUHUABINGANSHUIPENSHEYUANLIGONGZUODE,PENSHELIANGZAIXIANGDANGCHENGDUSHANGJIANGBAOCHIBUBIAN,CONGERDADAOHENGDINGPENWU,QIGUANJIANSHILIULIANGBIAO,YETISHUIZHUNYIYIJISHIYANXIANGGUDINGDEZHENKONGDU。

YINCI,QUANMIANLEJIEYANWUFUSHIDETEDIAN,YANWUFUSHISHIYANDEBIAOZHUNJIQISHOUDUAN,DUISHIXIANGAOPINZHIDECHANPINYOUZHEJIQIZHONGYAODEZUOYONG。

 

 

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