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Effect of Heat Treatment on Microstructure and Property of Al-Sn-Pb Bearing Material

机译：热处理对Al-Sn-Pb轴承材料组织和性能的影响

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摘要

AlSn_8Pb_2Si_(2.5)Cu_(0.8)Cr_(0.2) is a bush material with high hardness, and the main elements tin and plumbum mainly exist along the grain boundary, resulting in bad plasticity and confectioning. It is found that the continuous tin and lead distributing along grain boundary are broken by cold-rolling, and their shape is spheroidized and uniform through annealing at constant temperature. The continuous precipitated phase composed of tin and lead doesn't exist along grain boundary. The properties of bush material are greatly increased.
机译：AlSn_8Pb_2Si_（2.5）Cu_（0.8）Cr_（0.2）是一种高硬度的衬套材料，主要元素锡和铅主要存在于晶界，从而导致不良的塑性和甜味。研究发现，沿冷态轧制破坏了沿晶界分布的连续的锡和铅，并通过在恒定温度下退火使它们的形状呈球状且均匀。由锡和铅组成的连续沉淀相沿晶界不存在。衬套材料的性能大大提高。

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