材料科学
纳米复合材料
选择性激光熔化
晶界
钢筋
极限抗拉强度
纳米尺度
复合材料
制作
压痕硬度
材料的强化机理
延伸率
微观结构
纳米技术
病理
医学
替代医学
作者
Dongdong Gu,Hongqiao Wang,Donghua Dai,Pengpeng Yuan,Wilhelm Meiners,Reinhart Poprawe
标识
DOI:10.1016/j.scriptamat.2014.10.011
摘要
A novel ring-structured nanoscale TiC reinforcement with a regular distribution was tailored along the grain boundaries of the matrix by selective laser melting (SLM) to produce TiC/AlSi10 Mg nanocomposite parts. Relative to the SLM-processed unreinforced AlSi10 Mg part, the TiC/AlSi10 Mg nanocomposite part with the novel reinforcement architecture exhibited elevated microhardness (188.3 HV0.1) and tensile strength (486 MPa) without a reduction in elongation (10.9%), due to the combined effects of grain refinement and grain boundary strengthening caused by the ring-structured nanoscale TiC reinforcement.
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