| 烧结气氛对注射成形Fe/2Ni合金性能的影响 |
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| 引用本文： | 张健,黄伯云,李益民,钟伟,曲选辉.烧结气氛对注射成形Fe/2Ni合金性能的影响[J].粉末冶金材料科学与工程,1999(4). |
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| 作者姓名： | 张健 黄伯云 李益民 钟伟 曲选辉 |
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| 作者单位： | 粉末冶金国家重点实验室，粉末冶金国家重点实验室，粉末冶金国家重点实验室，粉末冶金国家重点实验室，粉末冶金国家重点实验室 长沙 410083，长沙 410083，长沙 410083，长沙 410083，长沙 410083 |
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| 基金项目： | 国家自然科学基金，国家“863”高技术计划资助 |
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| 摘 要： | 在H_2,H_2+N_2及真空气氛下对Fe/2Ni合金进行了烧结,讨论了烧结气氛对合金碳含量以及合金力学性能的影响;指出烧结气氛是通过H_2+N_2混合气氛中H_2脱出合金中的碳,从而影响合金的最终组织来影响合金力学性能的,因此可以通过控制烧结气氛的H_2与N_2体积比来控制合金中的碳含量,以得到所需的力学性能;并对合金脱碳机理作了初步探讨。
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| 关 键 词： | 金属粉末注射成形(MIM) 烧结气氛 Fe/2Ni |
INFLUENCE OF SINTERING ATMOSPHERE ON MECHANICAL PROPERTIES OF MIM Fe/2Ni ALLOY |
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| Zhang Jian Huang Baiyun Li Yimin Zhong Wei Qu Xuanhui.INFLUENCE OF SINTERING ATMOSPHERE ON MECHANICAL PROPERTIES OF MIM Fe/2Ni ALLOY[J].materials science and engineering of powder metallurgy,1999(4). |
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| Authors: | Zhang Jian Huang Baiyun Li Yimin Zhong Wei Qu Xuanhui |
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| Abstract: | The Properties and the content of carbon of MIM Fe/2Ni alloy sintered in H_2, H_2 + N_2 (at different H_2/N_2 )atmosphere and vacuum were investigated; It was concluded that the properties of MIM Fe/2Ni alloy are highly depended on the carbon content which was influenced by the content of H_2 in H_2 + N_2 atmosphere because the carbon content in alloy decides the final microstructure of the alloy. Thus the appropriate properties can be available by controlling the H_2 content in H_2+N_2 atmosphere. The mechanism of decarbonization of Fe/2Ni alloy was also discussed. |
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| Keywords: | MIM sintering atmosphere Fe/2Ni |
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