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铸造涂料影响铸件表面质量的原理


1.QIMOHETANMOGELI

SHIMOFENTULIAOYONGYUZHUTIEJIANSHI,JUYOULIANGHAODEBOLIXING。

SHIMOZAIJIAOZHU、NINGGUJILENGQUEQIJIANSHENGCHENGYIYANGHUATANQIMOHELIANGTANMO,ZUZHIJINSHUYEYUSHAXINGHUOXINGXINBIAOMIANDEXIANGHUZUOYONG,FANGZHIZHANSHA。ZAISHIXINGXINGQIANGBIAOMIANPENTUFEIJIYOUYUSHIMOFENJIAOBANHUNZHICHENGDETULIAO,YIKAOJIAOZHUGAOWENSUOCHANSHENGDEHAIYUANQIMOYUTANMO,KEYIDEDAOBIAOMIANYICHANGGUANGJIEDEBOBIZHUTIEJIAN。

2.RONGZHAGELI

JIAOZHUHOUTULIAOCENGYUZHUJIANJIEMIANSHANGXINGCHENGRONGZHACENG,YOUJIAOGAODEZHANDUJIANGNAIHUOGULIAODENGZHANLIANZAIYIQI,ZUDANGLEJINSHUYEDESHENTOU。RONGZHACENGZAIYUJINSHUYEWUGUISUANYANCHANSHENGHUAXUEFANYING,YUJINSHUYEBURUNSHIHUOJIBENBURUNSHISHIXIAOGUOZUIHAO。LENGQUESHI,ZHAQIAOCENGYUZHUJIANJINSHUXIANSHOUSUOXISHUXIANGCHAJIAODA,ZAIZHAQIAOCENGYUZHUJIANDEJIEMIAN SHANGCHANSHENGLEJIAODADEQIEYINGLI,DAOZHITUCENGQIAONENGZIDONGBOLI,ZHEIZHONGLIYONGRONGZHACENGFANGZHIZHANSHADELILUNCHENGZHIWEI“RONGZHAGELILUN”。YONGRONGYIFANYINGDEJINSHUHEJINSHUYANGHUAWUPEIZHICHENGTULIAO,JINGSHOUREFANYINGSHENGCHENGYIZHONGXINDENAIHUOYANGHUAWU,NENGZUZHIJINSHUYEDESHENTOU。

3.YANGHUAZUOYONG

LILUNRENWEI,ZHUJIANSHIFOUZHANSHAQUJUEYUZHUJIANYUTULIAOCENGZHIJIANSHIFOUCUNZAIZHELINJIEHOUDUDEYANGHUATIECENG,QIHOUDUYUEWEI100μm。WEILEFANGZHIHUAXUEZHANSHA,YINGZENGJIAYANGHUAWUHOUDU,DANGTACHAOGUOLINJIEHOUDUSHI,TUCENGHUOXINGSHAYUJINSHUYANGHUAWUDESHAOJIECENGYICONGZHUJIANSHANGBOLI。SHIHUISHISHAXINGZAIJIAOZHUGANGJIANSHIYOUYUXIALIEFANYING: CaCO3=CaO+CO2,DAOZHIZHUXINGQIANGNEIBUDEQIANGYANGHUAQIFEN,JIAJULEZHUGANGJIANDEBIAOMIANYANGHUA,YINERSHIHUISHISHAJUYOUYOULIANGDEFANGZHANSHAXIAOGUO。

ZAIZHUGANGJIANSHAXINGYINGYONGXIAOGUOHAODETULIAOYONGZAIZHUTIEJIANSHAXINGSHANGQUERONGYIZHANSHA,SHENZHISHIYANZHONGZHANSHA,ZHEIKEYICONGZHUGANGJIANBIAOMIANRONGYISHENGCHENGYANGHUATIECENGDEDAOJIESHI。ZHUTIEHANTANLIANGGAO,TANYUANSUXIANYUTIEYANGHUA,YINERJIAOZHUZHUTIESHIHENNANSHENGCHENGDADAOLINJIEHOUDUDEYANGHUATIECENG,YINCI“YANGHUAZUOYONG”LILUNBUSHIYONGYUZHUTIEJIANDEFANG ZHANSHATULIAO。

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