Thixotropic compression deformation behavior of SiCp/AZ61 magnesium matrix composites

摘要：

Compression tests on semi-solid SiCp/AZ61 magnesium matrix composites were carried out using Thermecmastor-Z dynamic material testing machine. Influences of strain-rate, strain, temperature and volume fraction of SiC particles on flow stress were analyzed. The results show that the flow stress of semi-solid SiCp/AZ61 composites is sensitive to temperature and strain rate. The lower the temperature and the larger the strain rate, the higher the flow stress. Meanwhile the flow stress increases with the increase of the volume fraction of SiC particles. This study helps establish the constitutive model of magnesium matrix composites and offers theoretic and experimental references for its thixoforming.

关键词： semi-solid deformation behavior SiC particles magnesium matrix composites thixotropic compression

作者: YAN Hong WANG Jian-jin

作者单位: School of Mechanical-Electrical Engineering, Nanchang University, Nanchang 330031, China

会议类型: 国际会议

会议名称: The 11th International Conference on Semi-Solid Processing of Alloy and Composites(第11届合金与复合材料半固态成形国际会议)

会议地点: 北京

会议语种:英文

页码: 811-814

在线出版日期: 2010-09-16（万方平台首次上网日期，不代表论文的发表时间）