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Wettability enhancement of SiCp in cast A356/SiCp composite using semisolid process

机译：半固态法增强铸造A356 / SiCp复合材料中SiCp的润湿性

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摘要

The effects of SiCp treatment and magnesium addition on microstructural and mechanical properties of Al356/20 wt% SiCp semisolid composites were investigated. The results showed that cleaning and oxidizing of SiCp and addition of 1 wt% Mg resulted in improving wettability, incorporation, and uniform distribution of SiCp in A356 matrix. Consequently, the ultimate tensile strength (UTS) value increased by 19% and 32% when the SiC was treated and also when Mg was added, respectively, compared to as-received SiCp. In addition, hardness value increased from 69.7 HV in as-received SiCp to 94.8 HV after SiCp treatment and addition of Mg.
机译：研究了SiCp处理和添加镁对Al356 / 20 wt％SiCp半固体复合材料的组织和力学性能的影响。结果表明，通过清洁和氧化SiCp以及添加1 wt％的Mg可以改善SiCp在A356基体中的润湿性，掺入和均匀分布。因此，与原样SiCp相比，当处理SiC以及添加Mg时，极限抗拉强度（UTS）值分别增加了19％和32％。另外，在SiCp处理和添加Mg之后，硬度值从接收时的SiCp中的69.7HV增加到94.8HV。

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