铝粉粒径和热压温度对<strong>15%SiC/2009Al</strong>复合材料力学性能的影响

铝粉粒径和热压温度对15%SiC/2009Al复合材料力学性能的影响

边鹏博, 韩修柱, 张峻凡, 朱士泽, 肖伯律, 马宗义

Effect of Aluminum Powder Size and Temperature on Mechanical Properties of Hot Pressed 15%SiC/2009Al Composite

BIAN Pengbo, HAN Xiuzhu, ZHANG Junfan, ZHU Shize, XIAO Bolv, MA Zongyi

表1 用不同粒径的铝粉在不同热压温度下制备的15%SiC/2009Al复合材料T4态的拉伸性能和致密度

Table 1 Properties of T4 15%SiC/2009Al composites prepared by aluminum powder with different sizes at different hot pressing temperatures

Aluminum powder size / μm	Hot pressing temperature / ^oC	Yield strength / MPa	Tensile strength / MPa	Elongation / %	Density / g·cm^-3	Relative density / %
13	560	391_(6.9)	562_(5.3)	8.7	2.826	99.9
30~40	560	378_(7.5)	506_(8.0)	3.5	2.821	99.7
13	580	381_(0.8)	556_(1.9)	9.2	2.823	99.8
30~40	580	336_(4.2)	508_(1.6)	7.8	2.815	99.5
13	600	374_(2.9)	542_(2.8)	8.2	2.822	99.7
30~40	600	334_(4.9)	506_(4.1)	7.8	2.810	99.3