七星彩走势图

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当前我国对汽车大梁板氧化铁皮结构的控制

发布时间:2018/4/19 9:54:45信息来源:wnxcall.com点击:

  ZHANGQIYILAI,ZHONGGUODUIPUTANGANGREYAGANGCAIBIAOMIANZHILIANGQUEFAXITONGYANJIU,ZAOCHENGJINGCHANGYINBIAOMIANTIEPIKONGZHIBUDANGERCHUXIANWENTI,ZAOCHENGYANZHONGJINGJISUNSHI。DIANXINGDEYANGHUATIEPIJIEGOUYOU**WAICENGJIAOBODEFe2O3ZHONGJIANCENGDEFe3O4CENGHEKAOJINJITICEDEFeOCENGZUCHENG。YOUYUREYAGONGYIHEZHOUWEIHUANJINGBUTONG,ZAOCHENGDAIGANGBIAOMIANYANGHUATIEPIDEJIEGOUHEHOUDUHUIYOUHENDADEBIANHUA。

  对于某些热轧深冲用钢如汽车大梁板等,为****摆脱酸洗带来的环境负担,可以通过优化控制热轧过程中带钢表面氧化铁皮的结构,降低氧化铁皮厚度,取消后续酸洗工序,实现免酸洗冲压。目前日本等国已开发出可带氧化铁皮进行深加工的“黑皮钢”。

  ZHEIZHONGGANGBIAOMIANYANGHUATIEPIZHUYAOYOUFe3O4ZUCHENG,JUYOUJIAOGAODESUXING、JIAOBODEHOUDUJIYUJITIJINMIDEJIEHELI,ZAISHENJIAGONGGUOCHENGZHONGYANGHUATIEPIKESUIJITIFASHENGBIANXING,YINCIBUXUYAOTONGGUOSUANXIQUCHUYANGHUATIEPI。TONGGUORELIXUEFENXIHEFeOCENGZHONGYANGDEPINHUAYUFUJIFENXIFeODEXIANGONGXIHEGONGXIFANYINGXINGWEI。

七星彩走势图  FeODENGWENZHUANBIANFENWEILIANGGEJIEDUAN:JI****JIEDUANWEIXICHUXIANGONGXIFe3O4HOUXUJIEDUANFASHENGGONGXIFANYING(FeO→Fe+Fe3O4)。TONGGUOKONGZHIJUANQUWENDU,KEYIKONGZHIFeODEGONGXIFANYING,CONGERDADAOKONGZHIYANGHUATIEPIJIEGOUDEMUDE。SHIJISHIYAJIEGUOBIAOMING,YANGHUATIEPIYIFe3O4WEIZHU,QIHANLIANGCHAOGUO80%,YANGHUATIEPIHOU8~11μm,LENGWANSHIYANBIAOMING,YANGHUATIEPIYUGANGBANJIEHELAOGU,YANGHUATIEPIZHANFUXINGHAO。

 

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七星彩走势图WEIJINGQICHEDALIANGBANCHANGJIASHOUQUANBUDEZHUANZAI、ZHAIBIANHUOLIYONGQITAFANGSHISHIYONGSHANGSHUZUOPIN。