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N含量对超细Ti(C,N)基金属陶瓷显微组织和力学性能的影响 被引量:3

Effect of N Content on Microstructure and Mechanical Properties of Ultrafine Ti(C, N)-Based Cermets
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摘要 用扫描电子显微镜(SEM)、金相显微镜等观察手段研究了N含量对超细Ti(C,N)基金属陶瓷显微组织和力学性能的影响.结果表明:N含量对超细Ti(C,N)基金属陶瓷显微组织和力学性能有显著的影响.随N含量增加,其晶粒尺寸细化,晶粒长大受到抑制,并且这种抑制作用非常显著.与此同时,组织中高的N含量也会导致烧结体中孔隙率增加,严重损害着横向断裂强度(TRS).高的N含量一方面能有效抑制晶粒长大,另一方面也促进N的分解.
出处 《稀有金属材料与工程》 SCIE EI CAS CSCD 北大核心 2005年第z1期479-481,共3页 Rare Metal Materials and Engineering
基金 国家自然科学基金资助(50104006)
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同被引文献32

  • 1刘宁,刘灿楼,赵兴中,胡镇华,崔昆,朱绍峰.Mo、Ni含量与Ti(C,N)基金属陶瓷组织和性能之间的关系[J].硬质合金,1994,11(2):74-78. 被引量:27
  • 2王洪涛,熊惟皓.Mo对Ti(C,N)基金属陶瓷包覆相结构与性能的影响[J].硬质合金,2006,23(4):203-207. 被引量:9
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  • 6BOLOGNINI S, FEUSIER G, MARI D, et al. High temperature mechanical behaviour of Ti(C, N)-Mo-Co cermets [J]. International Journal of Refractory Metals and Hard Materials, 1998,16 : 257-268.
  • 7RUSSIAS J, CARDINAL S, AGUNI Y, et al. Influence of titanium nitride addition on the microstructure and mechanical properties of TiC-based cermets [J]. International Journal of Refractory Metals and Hard Materials, 2005, 23:358-362.
  • 8BELLOSI A, MEDRI V, MONTEVERDE F. Processing and properties of Ti(C, N) WC based materials [J]. Journal of the American Ceramic Society ,2001,84 (11):2669-2676.
  • 9ZHENG Y, WANG S X, YOU M, et al. Fabrication of nanocomposite Ti (C,N)-based cermet by spark plasma sintering[J]. Materials Chemistry and Physics, 2005, 92 : 64- 70.
  • 10NIX J, QI L H, WANG W, et al. Study of Ti(C,N)-based cermets fabricated by pressureless-HIP sintering [J]. Key Engineering Materials, 2005, 280-283: 1417-1420.

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