Please wait a minute...
金属学报  1996, Vol. 32 Issue (4): 433-437    
  论文 本期目录 | 过刊浏览 |
SiC_p-Al复合材料蠕变断裂与空洞生长
王岱峰;李戈扬;李鹏兴;吴人洁
上海交通大学金属基复合材料国家重点实验室
CREEP FRACTURE PROCESS COUPLED WITH CAVITATION IN SiC_p-Al COMPOSITE
WANG Daifeng; LI Geyang; LI Pengxing; WU Renjie(State Key Laboratory for MMCs; Shanghai Jiaotong University; Shanghai 200030)(Manuscript received 1995-04-14; in revised form 1995-09-14)
引用本文:

王岱峰;李戈扬;李鹏兴;吴人洁. SiC_p-Al复合材料蠕变断裂与空洞生长[J]. 金属学报, 1996, 32(4): 433-437.
, , , . CREEP FRACTURE PROCESS COUPLED WITH CAVITATION IN SiC_p-Al COMPOSITE[J]. Acta Metall Sin, 1996, 32(4): 433-437.

全文: PDF(292 KB)  
摘要: 结合图像分析技术和固体力学原理,对复合材料蠕变断裂试样进行了定量研究,解析出有效蠕变应变。结果表明,在复合材料蠕变断口部位,空洞体积分数与有效应变成指数关系,在快速蠕变阶段空洞生长由塑性变形控制.所述测试原理方法也适用于其他含有空洞材料的塑性变形研究.
关键词 SiC_p-Al复合材料蠕变断裂过程空洞生长机制    
Abstract:Creep fractured surface of SiC_p-Al composite was quantitatively analyzed by employing image processing technique and solid mechanics principles, and the effective creep strain was determined. It was found that there is exponential relationship between cavity volume fraction and effective creep strain in the vicinity of fracture surface, which elucidates that the cavity growth during tertiary creep stage was controlled by plastic deformation. The presented testing principle and method could be applied to other plastically deformed materials containing cavities. Correspondent: WANG Daifeng,(Institute of Composite Materials, Shanghai Jiaotong University, Shanghai 200030)
Key words SiC_p-Al composite    creep fracture process    cavity growth mechanism
收稿日期: 1996-04-18     
基金资助:国家自然科学基金
1PhillngJ,RidleyN.ResMech,1988;23:312RajR.ActaMetall,1983;31:293王岱峰.上海交通大学硕士学位论文,19934KashyapBP,MukherjeeAK.ResMech,1986;17:293
No related articles found!