Microstructure and mechanical properties of AlN particles in situ reinforced Mg matrix composites
Microstructure and mechanical properties of AlN particles in situ reinforced Mg matrix composites
复制标题
AlN颗粒原位增强镁基复合材料的显微组织和力学性能
DOI：
10.1016/j.msea.2016.07.056
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发表时间：
2016-09-30
期刊：
影响因子：
6.4
通讯作者：
Liu, Feng
中科院分区：
文献类型：
--
作者：
Yang, Changlin;Zhang, Bin;Liu, Feng
采用氮气鼓泡法原位合成了AlN颗粒增强Mg-9wt%Al基复合材料。纳米AlN颗粒均匀分布在基体中，固溶后α-Mg晶粒细化，由90 ~ 100 μ m细化到30-40 μ m，Mg_（17）Al_（12）相分散减少。铸态AlN/Mg-9Al复合材料的抗拉强度和延伸率分别达到226 MPa和21%。并对界面特征和拉伸断口进行了分析。(C)© 2016 Elsevier B. V.版权所有。
AlN particles reinforced Mg-9 wt% Al matrix composites were in situ synthesized by bubbling nitrogen gas method. Nano-sized AlN particles were uniformly distributed in the matrix, which resulted in grain refinement of a-Mg from 90 to 100 gm to 30-40 mu m after solutionizing, and then Mg17Al12 phase was dispersed and decreased. Subsequently, significant improvements of tensile strength (similar to 226 MPa) and elongation (similar to 21%) were obtained in the as-cast AIN/Mg-9Al composites. The interface characteristic and tensile fracture surface were also analyzed. (C) 2016 Elsevier B.V. All rights reserved.