简介概要

热处理对TiCp/Fe复合材料基体组织与力学性能的影响

来源期刊:中国有色金属学报2003年第3期

论文作者:姚秀荣 刘兆晶 李凤珍 韩杰才 任善之

文章页码:640 - 644

关键词:TiCp/Fe复合材料; 热处理; 组织; 性能

Key words:TiCp/Fe composites; heat treatment; microstructure; properties

摘    要:通过不同的热处理工艺改变原位TiCp/Fe复合材料的基体组织,探讨了原位TiCp/Fe复合材料不同基体组织与性能的关系。试验结果表明: 在热处理过程中基体组织明显改变, TiC增强相不发生变化。退火处理降低材料的硬度, 提高材料的韧性。 淬火+低温回火处理使材料的强度和硬度提高,而韧性没有明显的下降。 采用等温淬火工艺, 可使TiCp/Fe复合材料具有最好的综合力学性能。

Abstract: The matrix microstructure of TiCp/Fe composites was changed under different heat treatment processes. The relations between different matrix microstructures and properties were discussed. The results show that the particulates of TiC have no change in heat treatment, but the matrix microstructure has changed in the same situation. When the composite being annealed, the hardness of composite can be lowered and the toughness of composite can be improved. The quenching+tempering at low temperature could enhance the strength and hardness with few decrease of toughness. After isothermal quenching, TiCp/Fe composites possess the best mechanical properties.



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