The Effect of a Small Volume Liquid Phase on the Hot Deformation in the BaPbO3/2024Al Composite

被引：0
作者：
Fan, G. H. [1 ]
Zheng, Z. Z. [1 ]
Pang, J. C. [1 ]
Geng, L. [1 ]
机构：
[1] Harbin Inst Technol, Sch Mat Sci & Engn, Harbin 150001, Peoples R China
来源：
PRICM 7, PTS 1-3 | 2010年 / 654-656卷
关键词：
Metal matrix composite; hot deformation; liquid phase; microstructure; ALUMINUM-ALLOY COMPOSITES; MATRIX COMPOSITES; BEHAVIOR; SUPERPLASTICITY; TEMPERATURES; BI2O3;
D O I：
10.4028/www.scientific.net/MSF.654-656.2684
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In this paper, BaPbO(3)(5Vol.%)/2024Al composite was fabricated by powder metallurgy method. Nanosized Pb particles were formed from the in-situ reaction between BaPbO(3) and 2024Al, and mainly distributed homogeneously inside grains. The hot compression deformation of the composite at different temperatures was performed. The microstructure evolution of the 2024Al matrix and dynamic mechanical analysis (DMA) of the composite were made to investigate the effect of liquid Pb on the hot deformation. The results show that the presence of the liquid phase reduces deformation resistance by decreasing dislocation pileups, and simultaneous decrease in Young 's modulus of the composite.
引用
收藏
页码：2684 / 2687
页数：4
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