磨球直径对Ti(C,N)基金属陶瓷组织和性能的影响
Effect of Milling Ball Diameters on Mechanical Properties and Microstructure of Ti(C,N)-based Cermets
摘 要
研究了磨球直径对Ti(C,N)基金属陶瓷组织结构和性能的影响.结果表明：名义尺寸相同而实际尺寸相差较大的磨球所磨出的粉体粒度大且分布不均匀,烧结体硬质相颗粒粗大且等轴性差,抗弯强度和硬度均较低.如果将用久的磨球按质量等级分类,不同等级的球均可以磨出粒度小且均匀的粉体,相应烧结体的组织均匀规则,抗弯强度和硬度均较高.
磨球直径
粉体粒度
Ti(C,N)-based cermets
milling ball diameter
powder granularity
Abstract
Effect of milling ball diameters on mechanical properties and microsturcture of Ti(C,N)based-cermets was studied.It is found that the grain size of the powders milled by balls with different diameters is big,the hard phase is big too and not uniform,the hardness and bending strength are also lower.If the balls used for a long time are graded by their weights,the grain size of the powder milled by various grade balls is small,the microstructure is fine,the hardness and bending strength are both high.
中图分类号 TG148
所属栏目
基金项目 国家自然科学基金资助项目(50074014);湖北省自然科学基金资助项目(2003ABA092)
收稿日期 2005/12/20
修改稿日期 2006/4/10
网络出版日期
作者单位点击查看
备注李永涛(1981-),男,河南扶沟人,硕士研究生.
引用该论文: LI Yong-tao,XIONG Wei-hao,YANG Qing-qing,FAN Chou. Effect of Milling Ball Diameters on Mechanical Properties and Microstructure of Ti(C,N)-based Cermets[J]. Materials for mechancial engineering, 2007, 31(1): 20～22
李永涛,熊惟皓,杨青青,范畴. 磨球直径对Ti(C,N)基金属陶瓷组织和性能的影响[J]. 机械工程材料, 2007, 31(1): 20～22
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参考文献
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【4】Joardar J,Kim S W,Kang S.Effect of nanocrystalline binder on the microstructure and mechanical properties of ultrafine Ti(CN) cermets[J].Materials Science and Engineering,2003,A360(1/2):385-389.
【5】Jung Jinkwan,Kang Shinhoo.Effect of ultra-fine powders on the microstructure of Ti(CN)-xWC-Ni cermets[J].Acta Materialia,2004,52(6):1379-1386.
【6】郑勇,游敏,熊惟皓,等.原始粉末尺寸对Ti(CN)基金属陶瓷烧结特性和组织结构的影响[J].粉末冶金技术,2003,21(4):195-200.
【7】肖纪美.合金能量学[M].上海:上海科学技术出版社,1985.
【2】Park Y J,kim S W,Kang S.The formation of a solid solution band at the surface of Ti(C,N)-based cermets[J].Materials Science and Engineering,2000,A291(1/2):198-206.
【3】杨君友,张同俊,胡镇华,等.球磨过程中的碰撞行为分析[J].金属学报,1997,33(4):381-385.
【4】Joardar J,Kim S W,Kang S.Effect of nanocrystalline binder on the microstructure and mechanical properties of ultrafine Ti(CN) cermets[J].Materials Science and Engineering,2003,A360(1/2):385-389.
【5】Jung Jinkwan,Kang Shinhoo.Effect of ultra-fine powders on the microstructure of Ti(CN)-xWC-Ni cermets[J].Acta Materialia,2004,52(6):1379-1386.
【6】郑勇,游敏,熊惟皓,等.原始粉末尺寸对Ti(CN)基金属陶瓷烧结特性和组织结构的影响[J].粉末冶金技术,2003,21(4):195-200.
【7】肖纪美.合金能量学[M].上海:上海科学技术出版社,1985.
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