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态抗拉强度可达到868 MPa,说明元素粉末中添加的预合金粉可以控制烧结过程,提高合金的烧结密度,同时增强合金的力学性能. 关键词:Ni-Fe-Al合金;机械合金化;粉末冶金 中图分类号:TG 113.25;TF 124 文献标识码:A Influence of prealloyed powder on properties of powder metallurgy NiFe18.5Al25 alloy CUI Jian-min1, LU Jing2, YUAN Yong1, CHEN Chun-hui2, LUO Feng-hua1, 2 (1. Laiwu Iron & Steel Group Powder Metallurgy Co. Ltd., Laiwu 271105, China; 2. State......
Recent Developments and Trends in Powder Injection Molding Hermina Wang1 (1.Materials Technology Laboratory CANMET, NRCan 568 Booth Street, Ottawa, Ont. K2M 2L6, Canada) 摘要:Injection molding is a productive and widely used technology for shaping plastics. The use of this shaping technique to metal and ceramics powders is termed powder injection molding (PIM). This process combines a certain......
Improved model and 3D simulation of densification process for iron powder SONG Yi(宋 毅), LI Yuan-yuan(李元元), ZHOU Zhao-yao(周照耀), ZHENG Zhen-xing(郑振兴), CHEN Pu-qing(陈普庆) School of Mechanical...; Abstract: A new model for describing the compaction process of iron powder......
Preparation and Characterization of CeO2 Superfine Powder 刘铃声1,熊晓柏1,邱巨峰1,胡艳宏1,柳召刚1,李梅2 (1.Baotou Research Institute of Rare Earths, Baotou 014010, China;2.Department of Materials Engineering, Baotou College of Iron and Steel Technology, Baotou 014010, China) Abstract:The CeO2 superfine powder was prepared by the co-precipitation method, using the industrial grade Ce2(CO3)3 and NH4HCO3......
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High-temperature oxidation behavior of Nb-Si-based alloy with separate vanadium,tantalum,tungsten and zirconium additionSheng-Nan Zhang,Li-Na Jia,Yue-Ling Guo,Bin Kong,Feng-Xiang Zhang,Hu ZhangSchool... Al-2 Hf alloys with separate vanadium,tantalum,tungsten and zirconium additions were investigated by X-ray diffraction(XRD),electron probe microanalyzer(EPMA) equipped with wave-dispersive......