[1]魏宇,孙扬善,樊泉,等.TiC强化Cr12MoV基复合材料的组织和性能分析[J].东南大学学报(自然科学版),2003,33(4):463-467.[doi:10.3969/j.issn.1001-0505.2003.04.020]
 Wei Yu,Sun Yangshan,Fan Quan,et al.Microstructure and mechanical properties of TiC reinforced Cr12MoV composite[J].Journal of Southeast University (Natural Science Edition),2003,33(4):463-467.[doi:10.3969/j.issn.1001-0505.2003.04.020]
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TiC强化Cr12MoV基复合材料的组织和性能分析()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
33
期数:
2003年第4期
页码:
463-467
栏目:
材料科学与工程
出版日期:
2003-07-20

文章信息/Info

Title:
Microstructure and mechanical properties of TiC reinforced Cr12MoV composite
作者:
魏宇 孙扬善 樊泉 杜温文
东南大学材料科学与工程系, 南京 210096
Author(s):
Wei Yu Sun Yangshan Fan Quan Du Wenwen
Department of Materials Science and Engineering, Southeast University, Nanjing 210096, China
关键词:
原位合成 TiC 铸造 力学性能 抗磨损性能 热疲劳
Keywords:
in-situ reaction TiC casting mechanical properties wear resstance thermal fatigue property
分类号:
TB331
DOI:
10.3969/j.issn.1001-0505.2003.04.020
摘要:
用原位合成铸造法制备了TiC弥散强化Cr12MoV钢基复合材料,对材料的制备工艺、力学性能及微观组织进行了系统的研究.试验结果表明,用原位合成铸造法制备 TiC颗粒增强钢基复合材料的工艺具有可行性,且易于实现工业化生产.TiC颗粒在基体中分布均匀,形状呈块状和球状,分布在晶内和晶界上.颗粒与基体结合良好,且无团聚现象.引入TiC后材料的室温和高温强度比基体材料的强度均有提高,说明TiC颗粒起了良好的强化效果.金属基体与高耐磨性的增强粒子相结合,使复合材料获得了优异的耐磨性能.在提高材料的强度、耐磨性、抗热疲劳性能的同时,TiC的加入也使材料的塑性和韧性有一定程度的下降.
Abstract:
TiC reinforced composite was prepared by in-situ reaction during melting process. The results show that the stability of TiC particles produced in composites is very high. Micro-observations reveal that TiC particles distribute uniformly in the matrix with sizes ranging from 3-5 μm, and there is no apparent particle segregation occurred. Test results show that the addition of TiC particles is very effective on strengthening the materials. With small amount of TiC addition the strength of the materials significantly increase at both ambient and elevated temperatures, while the elongation and the impact energy of composites slightly decrease. Another remarkable result in the present investigation is that TiC addition may cause notable improvement of wear resistance and thermal fatigue resistance, which is significant for the application of die steel.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 魏宇(1978—),男,硕士生; 孙扬善(联系人),男,教授,博士生导师,yssun@seu.edu.cn.
更新日期/Last Update: 2003-07-20