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钛加工件.钛标准件中国钛谷品牌供应商
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宝鸡钛锻件锻造厂谈TC4钛合金材料锻造清理的相关工艺

发布时间 :2019-07-17 16:05:44 浏览次数 :

所有的钛合金锻造加热处理中形成的氧化物锈皮及α壳层很脆,并在随后的锻造或在终锻中诱发裂纹或在其后的机械加工过程中造成刀具磨损。因此,最好在连续锻造之间清理掉锈皮及α壳层,并且在锻件交付用户前必须去除锈皮及α壳层。

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钛合金锻件的清理技术有两个方面:其一是氧化皮的清除;其二是α壳层的清除。锈皮可用机械方法,如喷砂清除;或用化学方法,如融溶盐除锈法。除锈方法的选择决定于零件大小、复杂程度及其成本。

PENSHASHIQINGCHUXIUPIDEYOUXIAOFANGFA,TAKEYIQINGCHU0.13~0.76mmHOUDEXIUPI,KEYONG100~150MUDEGAOSHAHUOGANGSHA,QIYAKEDA275Pa。SUIRANPENSHADUIGEZHONGCHICUNDEDUANJIANDOUKE,DANDUOYONGYUZHONG、DAXINGTAIHEJINDUANJIAN。PENSHASHEBEIKEYICAIYONGZHUANGYOUMOLIAODEGUNTONG、PENWANHUOPENSHAZHUANGZHI。PENSHAHOUYAOSUANXIYIQUCHUαQIAOCENG。

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(3)ZAISHASUAN-QINGFUSUANSHUIRONGYEZHONGSUANXI5~15min。RONGYEHAN15%~40%HNO3,1%~5%HF,CAOZUOWENDUWEI25~60℃。TONGCHANGSUANHANLIANG(YOUQIDUIYUα+βHEβHEJIN)CHANGQUSHANGSHUSUANHANLIANGFANWEIDEZHONGJIANZHI(LIRU30%~35% HNO3,2%~3%HF,HUOHNO3YUHFDEBILIWEI10:1DAO15:1)。RANERHNO3,HFYUEWEI2:1DEHUAXUERONGYEKEDADAO0.025mm/minDEQINGCHUXIAOGUO,ERXIQINGZUISHAO。

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SUANXIZHONGMEIQINGCHU0.03mmDEBIAOMIANJINSHUZEXIQINGKEDA10×10-6,ZHEIQUJUEYUTEDINGDESUANXIYEJINONGDUWENDUTIAOJIAN,ZAISUANXIZHONGαHEJINBI(α+β)HEJINXIQINGQUSHIXIAO,ER(α+β)HEJINYOUBIβHEJINZAISUANXIZHONGXIQINGQUSHIXIAO。SUANXIZHONGXIQINGQUSHISUIJINSHUQINGCHUSULVDEJIANXIAO(YOUYURONGYEZHONGTAIHANLIANGZENGJIA)ERZENGJIA;SUIQINGXIWENDUSHENGGAO(GAOYU60℃)ERZENGJIA;YIJISUIGONGJIANBIAOMIANJI-TIJIXIANGDUIBILVDEZENGDAERZENGJIA。YIBANSHUOLAI,ZAIYIDINGRONGYENONGDUJIWENDUXIAJINSHUQINGCHUSULVBIXUCHAOGUOQINGKUOSANSUDU。QINGXIHOU,RUQINGHANLIANGCHAOGUODUANJIANZHONGYUNXUZUIDADEQINGHANLIANG140~170cm3/100g,ZEXUZENGJIAZHENKONGCHUQINGTUIHUO。

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