原位TiCP/Fe复合材料组织中的有害相及其防止措施
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Keywords: Fe-Ti-C,合金,原位复合材料,有害相,合金化,孕育处理
Abstract:
研究了原位(insitu)TiCP/Fe复合材料组织中有害相Fe3C和Fe2Ti的形成过程及其防止措施。结果表明:Fe3C和Fe2Ti均在Fe2Ti2C熔体等温反应后的凝固过程中形成,且与奥氏体中固溶的Ti量有关;对熔体进行微量Cu、Ni合金化及孕育处理可促进熔体中TiC颗粒的形成,并有效地防止组织中有害相的产生,从而使复合材料的性能得以进一步提高。
| [1] | Lewis C F Exciting promise of metal matrix composites 1996
|
| [2] | Koczak M J.Premkumar M K Emerging technology of the in situ production of MMCs 1993
|
| [3] | Sahoo P.Koczak M J Microstructure-property relationships of in situ reacted TiC/Al-Cu metal matrix composites 1991(01)
|
| [4] | Premkumar M K.Chu M G Synthesis of TiC particulates and their segregation during solidification in situ processed Al-TiC composites 1993(10)
|
| [5] | 严有为, 魏伯康, 傅正义, 等. Fe-Ti-C 熔体在大气条件下原位合成T iCP/Fe 复合材料的研究[J]. 复合材料学报, 17 (3) : 51254.
|
| [6] | 梁义田, 刘 真, 袁 森. 合金元素在铸铁中的作用[M]. 西安:西安交通大学出版社, 1992. 48249.
|
| [7] | Fuwa T.Chipman J Activity of carbon in liquid iron alloys 1959(08)
|
| [8] | Guo Yuanchang.Wang Chongzhen Interaction coefficients in the Fe-C-Ti-i (i=Cu,Ni,Cr,Si) systems 1990(06)
|
| [9] | Stefanescu D M.Dhindaw B K.Kacar S A Behavior of ceramic particles at solid-liquid metal interface in metal matrix composites 1988(11)
|
| [10] | Elliott J F.Gleiser M.Ramakrishna V Thermochemistry for steelmaking 1963
|
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