Wantong Chen , Jingyu Yang , Wenbo Yu , Yishi Su , Ang Zhang , Chaosheng Ma , Yihu Ma
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引用次数: 0
Abstract
As one novel reinforcement used in magnesium composite, nano-layered flaky ternary MAX particle exhibits interesting anisotropic ceramic and metal properties. In order to accurately simulate the mechanical properties and damage behavior of MAX particle reinforced magnesium composite, we developed one finite element (FE) model based on 2D and 3D microstructural observations of 10 vol.% Ti2AlC-AZ91D composite. To improve the accuracy, matrix ductile damage, particle internal delamination deformation behaviors, and particle-matrix interfacial behaviors were respectively introduced into this model. The visual deformation processes of crack generation and propagation were carefully presented and discussed. The effects of interfacial strength and particle orientation on material properties were systematically investigated.
作为镁复合材料中使用的一种新型增强材料,纳米层状片状三元 MAX 粒子表现出有趣的各向异性陶瓷和金属特性。为了准确模拟 MAX 粒子增强镁复合材料的力学性能和损伤行为,我们基于 10 vol.% Ti2AlC-AZ91D 复合材料的二维和三维微观结构观测结果,开发了一种有限元(FE)模型。为了提高模型的准确性,我们在模型中分别引入了基体延性损伤、颗粒内部分层变形行为和颗粒-基体界面行为。对裂纹产生和扩展的可视化变形过程进行了细致的描述和讨论。系统研究了界面强度和颗粒取向对材料性能的影响。
期刊介绍:
The Journal of Magnesium and Alloys serves as a global platform for both theoretical and experimental studies in magnesium science and engineering. It welcomes submissions investigating various scientific and engineering factors impacting the metallurgy, processing, microstructure, properties, and applications of magnesium and alloys. The journal covers all aspects of magnesium and alloy research, including raw materials, alloy casting, extrusion and deformation, corrosion and surface treatment, joining and machining, simulation and modeling, microstructure evolution and mechanical properties, new alloy development, magnesium-based composites, bio-materials and energy materials, applications, and recycling.