烧结气氛对注射成形Fe/2Ni合金性能的影响
来源期刊：中南大学学报(自然科学版)2000年第2期
论文作者：张健 黄伯云 李益民 钟伟 曲选辉
文章页码：152 - 155
关键词：金属粉末注射成形;烧结气氛; Fe/2Ni
Key words：MIM; sintering atmosphere; Fe/2Ni
摘 要：在H2, H2+N2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H2+N2混合气氛中H2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中的H2的含量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.
Abstract: The properties and the carbon content of MIM Fe/2Ni alloy sintered in H2, H2+N2(at different H2/N2)atmosphere and vacuum were investigated. It is concluded that the properties of MIM Fe/2Ni alloy are highly dependent on the carbon content which is influenced by the content of H2 in H2+N2 atmosphere since the carbon content in alloy decides the final microstructure of the alloy. Thus the appropriate properties can be available by controlling the H2 content in H2+N2 atmosphere. The mechanism of carbon decarbonization of Fe/2Ni alloy was also discussed.
