用粉末冶金原位合成法制备了TiB晶须增强钛基复合材料.利用扫描电镜和X射线衍射方法对经挤压变形后复合材料的微观结构进行了分析,在复合材料中观察到反应生成的TiB晶须.复合材料经过热挤压变形后,TiB晶须沿挤压方向定向排列.对挤压态TiBw/Ti复合材料进行高温压缩变形,TiB晶须在热压缩变形过程中发生转动或折断现象,变形温度越低,晶须折断现象越严重.
参考文献
| [1] | B V Radhakrishna Bhat;J Subramanyam .Preparation of Ti-TiB-TiC and Ti-TiB composites by in-situ reaction hot pressing[J].Materials Science and Engineering,2002,A325:126-130. |
| [2] | C Schuh;D C Dunand .Whisker alignment of Ti-6Al-4V/TiB composite during deformation by transformation superplasticity[J].International Journal of Plasticity,2001,17:317-340. |
| [3] | Weijie Lu;Di Zhang;Xiaonong Zhang .HREM STUDY OF TiB/Ti INTERFACES IN A Ti-TiB-TiC IN SITU COMPOSITE[J].Scripta materialia,2001(7):1069-1075. |
| [4] | S.S. Sahay;K.S. Ravichandran;R. Atri .Evolution of microstructure and phases in situ processed Ti-TiB composites containing high volume fractions of TiB whiskers[J].Journal of Materials Research,1999(11):4214-4223. |
| [5] | 吕维洁,张小农,张荻,吴人洁,卞玉君,方平伟.原位合成TiB/Ti基复合材料增强体的生长机制[J].金属学报,2000(01):104-108. |
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