采用机械合金化、冷压与热挤压法制备了Al-15%Pb-4%Si-1%Sn-1.5%Cu(质量分数)轴瓦合金.实验结果表明,合金中Pb晶粒为纳米晶,Al以2种形态存在于合金体系中,一部分为亚微米晶体,另一部分为非晶相.合金的抗压强度和硬度值都随热挤压温度的升高而降低;热挤压温度为400℃时,合金的抗压强度σbe和抗压屈服强度σ0.2分别为610 MPa和440 MPa;其HV值达到1 820 MPa,高于采用其它方法制备的Al-Pb系轴瓦合金的值.
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