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Author:

聂祚仁 (聂祚仁.) (Scholars:聂祚仁) | 刘雪梅 (刘雪梅.) | 王海滨 (王海滨.) | 宋晓艳 (宋晓艳.) (Scholars:宋晓艳) | 张其文 (张其文.) | 席晓丽 (席晓丽.) (Scholars:席晓丽) | 贺定勇 (贺定勇.) (Scholars:贺定勇)

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incoPat zhihuiya

Abstract:

一种以稳定性调控制备硬质合金的方法,属于硬质合金材料和粉末冶金技术领域。首先制备硬质合金圆棒,取两根硬质合金圆棒,上下竖直端部相邻,依次置于区域熔炼炉的垂直浮区,抽真空,设定运行功率为总功率的60-95%,在20-30分钟内将功率增加到设定功率,待硬质合金圆棒接触端形成束状稳定熔融态后,降下面的硬质合金圆棒,同步还降上面的硬质合金圆棒,直至上面的硬质合金圆棒取出,成为区熔处理后的硬质合金棒料;区熔处理后硬质合金棒料置于真空热处理炉或碳化炉中,通入甲烷或一氧化碳等碳化气氛,在900-1100℃保温1-3小时,随炉冷却至室温,得到超粗晶硬质合金棒料。本发明可制备性能优越的超粗晶硬质合金。

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Reprint Author's Address:

  • 聂祚仁 宋晓艳 席晓丽 贺定勇

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Patent Info :

Type: 发明授权

Patent No.: CN201510492599.X

Filing Date: 2015-08-12

Publication Date: 2017-03-08

Pub. No.: CN105154742B

Applicants: 北京工业大学

Legal Status: 授权 ; 许可

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 10

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