理论计算表明,水雾化M3/2高速钢粉末的平均冷却速率在105-107K/s之间.粉末颗粒的凝固组织主要以等轴晶为主,碳化物以空间网络状分布于等轴晶的晶界处.粉末基体组织以奥氏体为主,仅小粒径粉末基体由奥氏体与δ铁素体组成.碳化物主要为立方MC型和密排六方M2C型.
参考文献
[1] | Flemings M C,Shiohara Y.Mater Sci Eng,1984; 65:157 |
[2] | Jones H.Mater Sci Eng,2001; A304-306:11 |
[3] | Li Z B.Chin Tungsten Ind,2004; 19 (5):1 (李正邦.中国钨业,2004;19 (5):1) |
[4] | Guo G C.Powder Metall Technol,2001; 19:233 (郭庚辰.粉末冶金技术,2001;19:233) |
[5] | Prashant S,Mandal R K.Bull Mater Sci,2001; 24:547 |
[6] | Hu H Q.Metal Solidification Principle.Beijing:China Machine Press,2000:262 (胡汉起.金属凝固原理.北京:机械工业出版社,2000:262) |
[7] | Gheng T Y,Zhang S H.Rapidiy Solidification Technology and New-Style Alloys.Beijing:China Astronautic Publishing House,1990:103 (程天一,章守华.快速凝固技术与新型合金.北京,宇航出版社,1990:103) |
[8] | Guo A M,Cheng B T,Liu Z J,Huang J D.Shandong Metall,2002; 24 (3):47 (郭爱民,陈宝堂,刘忠杰,黄景东.山东冶金,2002;24 (3):471 |
[9] | Lin B N,Wei Z J.Transmisson Principle of Liquid Metal Formation.Haebin:Haebin Institute of Technology Press,2000:359 (林柏年,魏尊杰.金属热态成形传输原理.哈尔滨:哈尔滨工业大学出版社,2000:359) |
[10] | Guo G C.Powder Metallurgy Materials Produced by Supersolidous Liquid Phase Sintering.Beijing:Chemical Industry Press,2002:315 (郭庚辰.液相烧结粉末冶金材料.北京:化学工业出版社,2002:315) |
[11] | Pryds N H,Pedersen A S.Met Mater Trans,2002; A 33:3755 |
[12] | Sun J F,Shen J,Jia J,Li Q C.Chin J Nonferrous Met,1999; 9 (sl):148 (孙剑飞,沈军,贾均,李庆春.中国有色金属学报,1999;9 (s1):148) |
[13] | Huang K.Solid-State Physics.Beijing:Higher Education Press,2005:137 (黄昆.固体物理学.北京:高等教育出版社,2005:137) |
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