超粗晶硬质合金是一类性能优异的新型合金,广泛用于采矿、凿岩、轧辊等领域,应用前景广阔.化学包覆法和纳米粉末溶解法是超粗晶WC-Co硬质合金制备的主要方法,介绍了超粗硬质合金原料WC颗粒平均粒度选择的动力学理论,碳含量对超粗合金中WC晶粒生长粗化的影响以及通过引入其它元素强化粘结相以提高合金寿命的探索结果.此外,分析了以合金硬度为常数时,晶粒尺寸与合金性能的关系,指出在保持合金硬度不变时,通过增大WC晶粒尺寸来提高合金的耐磨性和韧性是可行的.最后,展望了超粗晶合金的发展方向.
参考文献
[1] | Sandvik Hard Materials .Technical info\understanding cemented carbide grain size[EB/OL].http://www.sandvik.com,2004-11-04. |
[2] | 张忠健,孔卫宏,谢浩,袁红梅.从“2012株洲硬质合金国际学术会议”论文看硬质合金行业现状与发展趋势[J].硬质合金,2012(05):263-267. |
[3] | 孙东平,夏斌华.超粗晶粒凿岩硬质合金研究的新进展[J].凿岩机械气动工具,2009(04):41-46. |
[4] | Burwick Jack L;Lopez Carlos;Reeder David A .Uniform coarse tungsten carbide powder and cemented carbide[P].USA,US5071473,1991-12-10. |
[5] | Ederyd Stefan;Ekstrand Asa;Fischer Udo et al.Method of making metal composite materials[P].USA,US5505902,1996-4-9. |
[6] | Andersson,Sara;Mamoun,Muhammed;Chardon Nicolas et al.Method of making metal composite powder[P].USA,US5529804,1996-6-25. |
[7] | 张立;陈述;吴厚平 等.致密包覆型复合粉及超粗与特粗晶硬质合金的制备方法[P].中国,CN102560216B,2012-7-11. |
[8] | 白英龙,吴冲浒,杨霞,徐猛,果世驹.纳米粉末溶解法制备粗晶WC-Co硬质合金[J].粉末冶金材料科学与工程,2012(04):501-507. |
[9] | 聂洪波;吴冲浒;曾琪森 等.一种超粗晶WC-Co硬质合金的制备方法[P].中国,CN 102808096A,2012-12-05. |
[10] | 吴建国;张国顺;罗桂甫 等.一种制造粗晶粒碳化钨硬质合金的方法[P].中国,CN102912206A,2013-02-06. |
[11] | Ralf-Peter Berber;Wolf-Dieter Schubert;Benno Lux .Hardmetals with "rounded" WC grains[J].International Journal of Refractory Metals & Hard Materials,2006(5):360-364. |
[12] | S. Okamoto;Y. Nakazono;K. Otsuka .Mechanical properties of WC/Co cemented carbide with larger WC grain size[J].Materials Characterization,2005(4/5):281-287. |
[13] | Ida Borgh;Peter Hedstrom;Annika Borgenstam .Effect of carbon activity and powder particle size on WC grain coarsening during sintering of cemented carbides[J].International Journal of Refractory Metals & Hard Materials,2014(Jan.):30-35. |
[14] | Lifshitz I M;Slyozov V V .The kinetics of precipitation from super saturated solid solutions[J].Journal of Physics & Chemistry of Solid,1961,19(1-2):35?50. |
[15] | 白英龙,吴冲浒,杨霞,徐猛,果世驹.实际初始WC颗粒尺寸选择的LSW理论分析[J].粉末冶金材料科学与工程,2012(02):139-146. |
[16] | C.H.Allibert .Sintering features of cemented carbides WC-Co processed from fine powders[J].International Journal of Refractory Metals & Hard Materials,2001(1):53-61. |
[17] | Chabretou V;Lavergne O;Missiaen J M et al.Quantitative evaluation of norml and abnormal grain growth of cemented carbides during liquid phase sintering[J].METALS AND MATERIALS INTERNATIONAL,1999,5(02):205-210. |
[18] | Chabretou V.;Allibert CH.;Missiaen JM. .Quantitative analysis of the effect of the binder phase composition on grain growth in WC-Co sintered materials[J].Journal of Materials Science,2003(12):2581-2590. |
[19] | Wang Y.;Heusch M.;Lay S.;Allibert CH. .Microstructure evolution in the cemented carbides WC-CoI. Effect of the C/W ratio on the morphology and defects of the WC grains[J].Physica Status Solidi, A. Applied Research,2002(2):271-283. |
[20] | I. Konyashin;S. Hlawatschek;B. Ries .On the mechanism of WC coarsening in WC-Co hardmetals with various carbon contents[J].International Journal of Refractory Metals & Hard Materials,2009(2):234-243. |
[21] | Lou D.;Hellman J.;Luhulima D.;Liimatainen J.;Lindroos VK. .Interactions between tungsten carbide (WC) particulates and metal matrix in WC-reinforced composites[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):155-162. |
[22] | YOUNG JOON PARK;NONG MOON HWANG;DUK YONG YOON .Abnormal Growth of Faceted (WC) Grains in a (Co) Liquid Matrix[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,1996(9):2809-2819. |
[23] | Borgh I;Hedstr(o)m P;Odqvist J et al.On the thee-dimensional structure of WC grains in cemented carbide[J].ACTA MATERIALIA,2013,61(13):4726-4733. |
[24] | Lay, S;Allibert, CH;Christensen, M;Wahnstrom, G .Morphology of WC grains in WC-Co alloys[J].Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing,2008(1/2):253-261. |
[25] | I. KONYASHIN;F. SCHAFER;R. COOPER .Novel ultra-coarse hardmetal grades with reinforced binder for mining and construction[J].International Journal of Refractory Metals & Hard Materials,2005(4/6):225-232. |
[26] | M. Mohammadpour;P. Abachi;N. Parvin .Study of cemented carbonitrides with nickel as binder: Experimental investigations and computer calculations[J].International Journal of Refractory Metals & Hard Materials,2012(Mar.):164-170. |
[27] | N ishigaki K;Oosowa Y;Doi H .The effect of A1 addition on microstructure and mechanical properties of TiC-15%Ni-8%Mo cermet[J].J Jap Soc Powder Powder Met,1979,26(05):169. |
[28] | J. RUSSIAS;S. CARDINAL;Y. AGUNI .Influence of titanium nitride addition on the microstructure and mechanical properties of TiC-based cermets[J].International Journal of Refractory Metals & Hard Materials,2005(4/6):358-362. |
[29] | Roebuck B;Almond E A;Cottenden A M .The influence of composition,phase transformation and varying the relative F.C.C.and H.C.P.phase contents on the properties of dilute Co-W-C alloys[J].Material Science and Engineering,1984,66(02):179-194. |
[30] | Jessica M. Marshall;Alexandra Kusoffsky .Binder phase structure in fine and coarse WC-Co hard metals with Cr and V carbide additions[J].International Journal of Refractory Metals & Hard Materials,2013(Sep.):27-35. |
[31] | Jonathan Weidow;Hans-Olof Andren .Binder phase grain size in WC–Co-based cemented carbides[J].Scripta materialia,2010(12):1165-1168. |
[32] | Zhang Li;Xie Mingwei;Cheng Xin et al.Micro characteristics of binder phases in WC-Co cemented carbides with Cr-V and Cr-V-RE additives[J].International Journal of Refractory Metals & Hard Materials,2012,36:211-219. |
[33] | 张立,程鑫,陈述,马鋆,吴厚平,熊湘君.Cr、V、RE添加剂对特粗晶与超粗晶硬质合金微观组织与性能的影响[J].中国有色金属学报,2012(09):2620-2625. |
[34] | Gee M G;Gant A;Roebuck B .Wear mechanisms in abrasion and erosion of WC/Co and related materials[J].WEAR,2007,263(1-6):137-148. |
[35] | I. Konyashin;B. Ries;F. Lachmann .Near-nano WC-Co hardmetals: Will they substitute conventional coarse-grained mining grades?[J].International Journal of Refractory Metals & Hard Materials,2010(4):489-497. |
[36] | O'Quigley D G F;Luyckx S;James M N .An empirical ranking of a wide range of WC-Co grades in terms of their abrasion resistance measured by the ASTM standard B 611-85 test[J].International Journal of Refractory Metals & Hard Materials,1997,15(1-3):73-79. |
[37] | S. LUYCKX;N. SACKS;A. LOVE .Increasing the abrasion resistance without decreasing the toughness of WC-Co of a wide range of compositions and grain sizes[J].International Journal of Refractory Metals & Hard Materials,2007(1):57-61. |
[38] | Ravichandran K S .Fracture toughness of two phase WC-Co cermets[J].ACTA METALLURGICA ET MATERIALIA,1994,42(01):143-150. |
上一张
下一张
上一张
下一张
计量
- 下载量(0)
- 访问量(472)
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%