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316L不锈钢储罐的晶间腐蚀及焊接熔合区裂纹

作者:镇田机械 时间:2019-04-03 09:48
一、316L不锈钢储罐的晶间腐蚀 图3-13为晶间腐蚀区域高倍数扫描电镜照片,从图3-13中可以清晰地看出 奥氏体晶粒沿晶界相互分离。晶间腐蚀作为局部腐蚀的一种是沿着晶粒间的晶界 扩展的腐 信息摘要:

、316L不锈钢储罐的晶间腐蚀

水果拉霸多人版 TU3-13WEIJINGJIANFUSHIQUYUGAOBEISHUSAOMIAODIANJINGZHAOPIAN,CONGTU3-13ZHONGKEYIQINGXIDIKANCHU AOSHITIJINGLIYANJINGJIEXIANGHUFENLI。JINGJIANFUSHIZUOWEIJUBUFUSHIDEZHONGSHIYANZHEJINGLIJIANDEJINGJIE KUOZHANDEFUSHI。DANGJINGJIECHUCrHANLIANGJIANGDISHI,YOUYUCrHANLIANGDEBUTONG,ZAIPINGEQUJIQIZHOUWEI AOSHITIJIANCUNZAIDINGDEDIANSHICHA,ZAIFUSHIJIEZHIDEZUOYONGXIA,GOUCHENGLEAOSHITIJITIDAYINHE PINGEQUXIAOYANGDEWEIDIANCHI,JIASULEJINGJIANPINGEQUDEFUSHI,SHIAOSHITIBUXIUGANGJINGJIEDEJIEHE LIJIANGDI,BINGZHONGZAIAOSHITIJINGLIJIANCHANSHENGWEILIEWEN,ZAIYINGLIDEZUOYONGXIAZHEIXIECUNZAIWEILIEWENDE QUYURONGYIJINBUKAILIECHANSHENGCHICUNJIAODADEJINGJIANFUSHILIEWEN,YINCIJINGJIANFUSHIYESHICUJINYINGLI FUSHILIEWENCHANSHENGHEFAZHANDEZHONGYAOYINSU。

316L不锈钢储罐的晶间腐蚀及焊接熔合区裂纹

图3-13不锈钢储罐水果拉霸多人版封头试样表面晶间腐蚀SEM照片

 

二、316L不锈钢储罐焊接熔合区裂纹

CHULEDIANSHIHEJINGJIANFUSHIYIWAI,TONGGUOSEMFENXI,FAXIANZAIBUXIUGANGCHUGUANFENGTOUHANJIERONG HEQUCUNZAICHUYUMENGSHENGZHUANGTAIDEWEILIEWEN,RUTU3-14。ZHEIXIEWEILIEWENJIAOXIAOQIEBULIANXU,YANCHUIZHI YUHANFENGDEFANGXIANGYICHUANJINGXINGSHIMENGSHENGHEKUOZHAN,BINGZAILIEWENLUJINGSHANGCUNZAIKUAIZHUANGERCIXIANG,KEJIANZHEI XIELIEWENZHUYAOSHIZAIYINGLIZUOYONGXIAMENGSHENGDE,YUFUSHIZUOYONGGUANXIBUDA。

YOUTU3-14KEYIKANCHU,WEILIEWENCONGRONGHEQUMENGSHENG。YANGUIBIAOMING[63,64]ZAIBUXIUGANGHANJIEZHONG, RONGHEQUCHUYUFe、Cr、Ni、CDENGYUANSUDECHENGFENDUQU,ZUZHIHEXINGNENGHENBUJUNYUN。YINCIRONG HEQUFUJINZUOWEICHENGFENHEXINGNENGDETUBIANQU,CHENGWEIBUXIUGANGHANFENGDEBORUOHUANJIE。ZAIYINGLIDEZUOYONG XIAJIANGRONGYICHANSHENGLIEWEN。TUZHONGDELIEWENZHENGSHIZAIRONGHEQUHEREYINGXIANGQUJIEMIANFUJINMENGSHENGDE。

水果拉霸多人版 HANJIEJIETOURONGHEQUNEIQINGDEKUOSANXINGWEIYEDUILIEWENDECHANSHENGYOUHENDADECUJINZUOYONG。YIYOUYAN GUIBIAOMINGZAIAOSHITIZHUZHUANGJINGDEJINGJIE,QINGDEKUOSANNENGLIJIAOQIANG,YOUYUHANFENGZHONGQINGHANLIANGJIAOGAO,HAN JIEWANCHENGHOUDALIANGDEQINGYANAOSHITIZHUZHUANGJINGJINGJIEZHEIKUOSANTONGDAOXIANGRONGHEXIANFUJINKUOSAN,RANERZAI RONGHEQUCHUYOUYUZUZHIDETURANBIANHUA,QINGDEKUOSANSHOUZU。YOUYUAOSHITIMUCAIWEIDENGZHOUAOSHITI, YUHANFENGAOSHITIZHUZHUANGJINGXIANGBI,QIREWULIXINGNENGHELIXUEXINGNENGYOUZHEXIANZHUCHABIE,HANJIESHIJIANGZAI RONGHEQUCHANSHENGJIAODADEREYINGLI、ZUZHIYINGLIYIJIJUSHUYINGLI。GENJUYINGLIYOUDAOQINGKUOSANJILI, SHANGSHUYINGLIZONGHEZUOYONGJIANGJINBUJIAJUQINGZAIHANFENGZHONGDEBUJUNYUNFENBUTEXING,SHIHANFENGYUMUCAIYI XIANGJIEMIANCHUXINGCHENGQINGDEFUJIQU[64]。TONGSHIZAIDADEJUSHUZHUANGTAIXIA,HANJIEJIETOUYOUYUJINGLILEDUOCENG DUODAOHANREXUNHUANDEZUOYONG,HANDAORONGHEQUJINSHUJIANGJINGSHOUFANFUDEYINGLIYINGBIAN,JIASHANGZAIKAOJINRONGHE XIANDEWEIZHI,ZAIHANJIEREYUANDEZUOYONGXIA,AOSHITIJINGLIJIANGFASHENGXIANZHUDICUHUA,SHIGAIQUYUDEZU ZHISUXINGRENXINGEHUA,YEHUICUSHILIEWENDECHANSHENG。YINCIZAIHANJIEGUOCHENGZHONGZAIRONGHEQUCHANSHENGDELIEWEN YESHICUJINYINGLIFUSHIKAILIEDEZHONGYAOYUANYIN。

316L不锈钢储罐的晶间腐蚀及焊接熔合区裂纹

水果拉霸多人版 TU3-14BUXIUGANGCHUGUANFENGTOUSHIYANGBIAOMIANRONGHEQULIEWENSEMZHAOPIAN

三、小结

(1)316LBUXIUGANGXIANGSHICHUGUANFENGTOUBUWEIDELIEWENJUYOUDIANXINGDEYINGLIFUSHILIEWENTEZHENG, LIEWENZHUYAOYICHUANJINGXINGSHIMENGSHENG,YICHUANJINGHEYANJINGHUNHEDEMOSHIKUOZHAN。ERZAILIEWEN,ERCI LIEWENYIYANJINGMOSHIKAILIE,ZHEITONGYANGYUJIAODADEYINGLIJIZHONGCHENGDUYOUGUAN。

(2)ZAISHENDUFANGXIANGLIEWENNEIBUYANGHUABIJIAOYANZHONG,LIEWENYOUXIAOSUIDONGLIANJIEERCHENG,AOSHITI ZHONGDE5TIESUTIDUILIEWENDEKUOZHANYOUYANCHIZUOYONG。

(3)LIEWENDUANKOUXINGMAOTONGSHIJUBEIBINGTANGHUAYANGHEZHUNJIELIMIANDETEZHENG,SHUYUYANJINGCHUANJINGHUN HEKAILIE。CIWAIDUANKOUBEIFUSHICHANWUSUOFUGAI,BINGQIEKEYIGUANCHADAOSILIELENG。ZAILIEWENZHONGBUDUANKOU TONGSHIJUBEIBINGTANGHUAYANGHEZHUNJIELIMIANDETEZHENG,SHUYUYANJINGCHUANJINGHUNHEKAILIE;ZAILIEWENMODUAN,DUAN KOUCHENGRENXINGDUANLIEDETEZHENG。

(4)CHUYINGLIFUSHILIEWENWAI,ZAISHIYANGBIAOMIANHAIGUANCHADAOLEDIANSHIHEJINGJIANFUSHIXIANXIANG,BING ZAIRONGHEQUFAXIANWEILIEWENDECUNZAI,ZHEIXIEQUEXIANSHICUJINYINGLIFUSHIKAILIEDEZHONGYAOYINSU。

 

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