用原位自生法制备了20%TiC/Fe复合材料,并以W替代部分Ti制备了两种20%(TiW)C/Fe复合材料,研究了它们的显微组织与性能.结果表明：在20%TiC/Fe和20%(Ti0.8W0.2)C/Fe复合材料中,TiC和(TiW)C分别是两种材料中唯一的第二相,它们呈枝晶、方块和条形等多种形态.在20%TiC/Fe中,由于TiC与铁熔体的密度相差较大,出现了第二相的分布不均现象.在20%(Ti0.7W0.3)C/Fe复合材料中,(TiW)C相是唯一的第二相,它呈细小等轴粒状和条状两种形态,均匀分布于基体中,它的硬度与耐磨性明显好于前两种复合材料.
参考文献
| [1] | Raghunath C;Bhat M S;Rohatgi P K .In situ technique for synthesizing Fe-TiC composites[J].Scripta Metallurgica et Materialia,1995,32(04):577-579. |
| [2] | Terry B S;Chinyamacobvu O S .Synthesis of iron aluminide under thermal explosion condition[J].Journal of Materials Science Letters,1991,10(04):628-635. |
| [3] | JIANG W H;Pan W D;Song G H et al.In situ sythesis of TiC-Fe composite in liquid iron[J].Journal of Materials Science Letters,1997,16(10):1830-1833. |
| [4] | Jiang WH.;Ren YL.;Han XL.;Pan WD. .In-situ formation of TiC/Hadfield steel composites[J].Journal of Materials Science Letters,1998(18):1527-1529. |
| [5] | Jiang W.H.;Fei J. .Insitu synthesis of (TiW)C/Fe composites[J].Materials Letters,2000(4):222-224. |
| [6] | Ren YL.;Qi L.;Fu LM.;Zhou XM.;Han XL.;Jiang WH.;Pan WD.;Cai QK. .Microstructural characteristics of TiC and (TiW)C iron matrix composites[J].Journal of Materials Science,2002(23):5129-5133. |
| [7] | V. K. Rai;R. Srivastava;S. K. Nath;S. Ray .Wear in cast titanium carbide reinforced ferrous composites under dry sliding[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,1999(2):265-271. |
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