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大乐透出号特征表

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高比重合金的固相烧结

时间:[2018-11-9]

  高比重合金一般采用液相烧结达到全致密。W-Ni-Fe合金形成液相的起始温度为1465℃,液相烧结温度一般为1500—1550℃,晶粒大小为40—60μm。

  DANSHI,YEXIANGSHAOJIESHI,GU/YEMIDUCHAJIAODA,ZAIZHONGLIZUOYONGXIACHANSHENGZHANXINGLIUDONG,FASHENGWUJINGLI“PIANXI”HEZHANGDA,BIANXINGYANZHONG。GUXIANGSHAOJIEKEYIBIMIANYEXIANGSHAOJIEGUOCHENGZHONGYEXIANGLIUDONGHEWUKELI“XIACHEN”SUOYINQIDETANTAYUBIANXING。JIXIEHUNHEFENMOBUKENENGZAIGUXIANGSHAOJIESHIQUANZHIMI,ZHIYOUCAIYONGYUHEJINFENCAIKENENGZAIGUXIANGSHAOJIEHUOSHUNSHIYEXIANGSHAOJIESHIDADAOQUANZHIMI。JIXIEHEJINHUASHIZHIBEIHEJINFENYONGDEZUIGUANGFANDEYIZHONGFANGFA。

  GAONENGQIUMOKEYIZHIDECHENGFENJUNYUNDEW—Ni—FeYUHEJINFEN,QIZHIMIHUAKUAI,SHAOJIEWENDUJIANGDI,ZAI1400—1440℃GUXIANGSHAOJIESHI,KEYIDADAOJINQUANZHIMI,BINGJUYOUHENGAODEQIANGDUHEYIDINGDEYANXING,ERQIEJINGLIZUZHIXIXIAO,ZHIYOU2—5μm。WEIKUODAGAOBIZHONGHEJINDEYINGYONG、SHENGCHANWUBIANXINGDEGAOXINGNENGGAOBIZHONGHEJINTIGONGLEYIZHONGXINDEFAZHANFANGXIANG。

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