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首页> 外文期刊>Materials Science and Engineering >Investigating the microstructure and mechanical properties of Al-TiB_2 composite fabricated by Friction Stir Processing (FSP)
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Investigating the microstructure and mechanical properties of Al-TiB_2 composite fabricated by Friction Stir Processing (FSP)

机译：研究摩擦搅拌法制备的Al-TiB_2复合材料的显微组织和力学性能

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摘要

Microstructure and mechanical properties of Al-TiB_2 composite fabricated by Friction Stir Processing (FSP) were evaluated. In situ TiB_2-10 wt%Al composite powder was synthesized by mechanical alloying (MA) of Ti, B and Al powder mixture. FSP was applied on AA6063 with and without the addition of TiB_2-Al composite powder. Microstructural evaluations showed a nearly uniform distribution of TiB_2 in aluminum matrix after FSP with the addition of composite powder. FSP of AA6063 alloy without the addition of reinforcing particles resulted in slight improvement in tensile strength to about 195 MPa in comparison to the as-received alloy. By the addition of MAed TiB_2-Al composite powder during FSP the tensile strength could increase to about 280 MPa which was about 70% higher than that of the base material.
机译：评价了搅拌摩擦法制备的Al-TiB_2复合材料的组织和力学性能。通过Ti，B和Al粉末混合物的机械合金化（MA）合成了TiB_2-10 wt％Al复合粉末。在有和没有添加TiB_2-Al复合粉末的情况下，将FSP应用于AA6063。显微组织评估表明，加入复合粉末后，FSP后，TiB_2在铝基体中的分布几乎均匀。与原样合金相比，不添加增强颗粒的AA6063合金的FSP导致抗张强度略有提高，达到约195 MPa。通过在FSP期间添加MAed TiB_2-Al复合粉末，拉伸强度可以提高到约280 MPa，比基础材料的拉伸强度高约70％。

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