原位TiB晶须和TiC颗粒复合增强Ti复合材料的压缩性能及微观结构

1.中国科学院金属研究所,沈阳,110016

2.哈尔滨工业大学材料科学与工程学院,哈尔滨,150001

3.中国科学院金属研究所,沈阳,110016

4.中国科学院金属研究所,沈阳,110016

5.哈尔滨工业大学材料科学与工程学院,哈尔滨,150001

基金项目: 黑龙江省哈尔滨市留学回国人员基金(0081218003)

Compressive properites and microstructure of in-situ TiB whisker and TiC particulate mixture-reinforced Ti composite

采用反应热压方法制备了原位TiB晶须和TiC颗粒复合增强钛复合材料,对复合材料进行了高温压缩试验,对变形前后的微观结构进行了分析.在350～650℃温度范围内,复合材料的强度均明显高于钛基体.原位增强相与钛基体具有良好的界面结合,压缩变形后在钛基体中产生大量的形变孪晶.

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