| 真空渗碳制备双相梯度硬质合金的研究 |
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| 引用本文： | 吴恩熙,杨维才.真空渗碳制备双相梯度硬质合金的研究[J].粉末冶金材料科学与工程,1999(2). |
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| 作者姓名： | 吴恩熙 杨维才 |
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| 作者单位： | 汾末冶金国家重点实验室，汾末冶金国家重点实验室 长沙 410083，长沙 410083 |
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| 摘 要： | 介绍了采用真空渗碳来制备试样外层为无η相正常组织而芯部为η相、且粘结相钴呈成分梯度分布的双相硬质合金的方法,试验发现,在真空烧结后期引入甲烷与丙酮蒸气的混合气体进行摆式渗碳,是制备该类梯度硬质合金非常有效的方法。
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| 关 键 词： | 硬质合金 真空渗碳 双相结构 梯度 |
STUDY ON THE FABRICATION OF FUNCTIONALLY GRADED CEMENTED CARBIDE WITH DUAL PHASE STRUCTURE BY METHOD OF VACCUM CARBURIZING |
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| Wu Enxi Yang Weicai.STUDY ON THE FABRICATION OF FUNCTIONALLY GRADED CEMENTED CARBIDE WITH DUAL PHASE STRUCTURE BY METHOD OF VACCUM CARBURIZING[J].materials science and engineering of powder metallurgy,1999(2). |
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| Authors: | Wu Enxi Yang Weicai |
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| Abstract: | The method of fabricating the functionally graded cemented carbide with dual phase structure and graded binder phase by vaccum carburizing is introduced. It shows that this kind of cemented carbide can be successfully obtained by vaccum carburizing at the later stage of sintering when using the mixed gas of methane and an organic solvent vapour as carburizing atmosphere. |
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| Keywords: | cemented carbide vaccum carburizing dual phase structure functionally graded material |
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