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	原位合成(TiB_2+Fe_2B)/铁基复合材料的力学性能和耐磨性
	匡加才 ; 符寒光 ; Kuang Jiacai ; Fu Hanguang
	2010-06-08 ; 2010-06-08
关键词	复合材料 原位合成 力学性能 耐磨性 composites in-situ reaction mechanical property wear resistance TB302.3
其他题名	Mechanical Properties and Wear Resistance of In-situ Synthesized(TiB_2+Fe_2B)/Ferro-base Composites
中文摘要	在含0.15%~0.45%C,0.20%~0.50%Si,0.60%~1.20%Mn和0.50%~1.50%Cu的Fe-C合金中加入硼和钛,原位合成了颗粒增强铁基复合材料。借助光学显微镜、扫描电镜和X衍射分析等手段,分析了颗粒增强相和基体组成;采用冲击试验机、材料试验机和磨损试验机等测试了复合材料的力学性能和耐磨性。研究发现,铁基复合材料的原位合成增强相是TiB2和Fe2B,且以TiB2为主。热处理后,铸态时呈条块状和针状的增强相变成团球状和颗粒状,使复合材料力学性能改善,耐磨性提高,并分析了原位合成颗粒增强相改善材料性能的原因。; By adding titanium and boron in the Fe-C melt whose compositions are 0.15%～0.45%C,0.20%～0.50%Si,0.60%～1.20%Mn and 0.50%～1.50%Cu,in-situ reinforced particulates/Fe composites were fabricated.The reinforced phase and matrix were studied with optical microscopy(OM),scanning electron microscopy(SEM) and X-ray diffraction(XRD).The mechanical properties and abrasion resistance of composites were measured in impact testing machine,materials testing machine and wear testing machine.The results show that the in-situ reinforced particulates of composites are TiB2 and Fe2B,and TiB2 is the most.After heat treatment in-situ reinforced particulates whose shapes are strip,block and needle at as-cast turn into nodular and granular,which improves the mechanical properties and abrasion resistance of composites.The reason that in-situ reinforced particulates improve the properties of composites was analyzed.; 中国博士后科学基金项目(2004036058)
语种	中文 ; 中文
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/48341]
专题	清华大学
推荐引用方式 GB/T 7714	匡加才,符寒光,Kuang Jiacai,等. 原位合成(TiB_2+Fe_2B)/铁基复合材料的力学性能和耐磨性[J],2010, 2010.
APA	匡加才,符寒光,Kuang Jiacai,&Fu Hanguang.(2010).原位合成(TiB_2+Fe_2B)/铁基复合材料的力学性能和耐磨性..
MLA	匡加才,et al."原位合成(TiB_2+Fe_2B)/铁基复合材料的力学性能和耐磨性".(2010).

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