以金属钨丝网和灰口铸铁为原材料,采用离心铸造技术,通过调整钨丝的中心间距和灰口铸铁熔体的浇铸温度,原位合成WC颗粒增强铁基复合材料.利用XRD、SEM以及两体销盘磨损试验机对所得复合材料复合区的物相种类、显微组织以及磨损性能进行分析研究,结果表明:随浇铸温度的提高,WC衍射峰的强度增强,反应程度增大,WC量不断增多.当钨丝中心间距为0.5 mm,浇铸温度为1400℃时,得到较理想的WC颗粒弥散分布于铁基体中的复合材料;在浇铸温度不变时,随中心距的增大,复合材料的磨损率呈现出先降低后略微升高的趋势.
参考文献
| [1] | Zulai Li;Yehua Jiang;Rong Zhou;Dehong Lu;Rongfeng Zhou .Dry three-body abrasive wear behavior of WC reinforced iron matrix surface composites produced by V-EPC infiltration casting process[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2007(5/6):649-654. |
| [2] | 隋育栋,蒋业华,李祖来,黄汝清.WC溶解对WCp/钢基表层复合材料组织和性能的影响[J].材料热处理学报,2012(z1):7-10. |
| [3] | Yefei Li;Yimin Gao .Three-body abrasive wear behavior of CC/high-Cr WCI composite and its interfacial characteristics[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2010(3/4):511-518. |
| [4] | 朱流,郦剑.WC-10%Co激光熔覆涂层的制备及耐磨性能[J].机械工程材料,2008(08):26-29. |
| [5] | 袁有录,李铸国.等离子熔覆WC-Ni/Fe梯度涂层的组织与性能[J].材料热处理学报,2012(11):131-136. |
| [6] | Do Nascimento AM;Ocelik V;Ierardi MCF;De Hosson JTM .Microstructure of reaction zone in WCp/duplex stainless steels matrix composites processing by laser melt injection[J].Surface & Coatings Technology,2008(10):2113-2120. |
| [7] | 李松林,向锦涛,周伍喜,李玉玺,陈文.超音速火焰喷涂WC-10Co4Cr涂层的耐滑动磨损行为[J].中国有色金属学报（英文版）,2012(05):1371-1376. |
| [8] | H.Y. Wang;Q.C. Jiang;X.L. Li .In situ synthesis of TiC/Mg composites in molten magnesium[J].Scripta materialia,2003(9):1349-1354. |
| [9] | 刘丽,刘慧敏,张复懿.原位TiC颗粒含量对近液相线铸造7075铝合金二次加热组织的影响[J].中国有色金属学报,2010(02):233-238. |
| [10] | Emamian, A.;Corbin, S.F.;Khajepour, A. .Effect of laser cladding process parameters on clad quality and in-situ formed microstructure of Fe-TiC composite coatings[J].Surface & Coatings Technology,2010(7):2007-2015. |
| [11] | 柴禄,李惠琪,姬强,许慧,陆峰,王梅,田成海.原位冶金反应碳化钨增强铁基复合材料[J].材料热处理学报,2012(z1):33-36. |
| [12] | NIU Li-bin;XU Yun-hua;WU Hong et al.Preparation of In-situ (Fe,Cr) 7 C3/Fe composite coating by centrifugal casting[J].Surface Engineering,2010,3:675-680. |
| [13] | A. Antoni-Zdziobek;J.Y. Shen;M. Durand-Charre .About one stable and three metastable eutectic microconstituents in the Fe-W-C system[J].International Journal of Refractory Metals & Hard Materials,2008(4):372-382. |
| [14] | B. Kurt;N. Orhan;A. Hascalik .Effect of high heating and cooling rate on interface of diffusion bonded gray cast iron to medium carbon steel[J].Materials & Design,2007(7):2229-2233. |
| [15] | D. Cree;M. Pugh .Dry wear and friction properties of an A356/SiC foam interpenetrating phase composite[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2011(1):88-96. |
| [16] | Rong Zhou;Yehua Jiang;Dehong Lu .The effect of volume fraction of WC particles on erosion resistance of WC reinforced iron matrix surface composites[J].Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear,2003(1/6):134-138. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%