Influence of cellular dendritic structure and grain orientation on deformation behavior of additively manufactured AlSi10Mg alloy

被引：0
作者：
Romanova, V. [1 ]
Borodina, A. [1 ,2 ]
Dymnich, E. [1 ]
Balokhonov, V. [1 ,2 ]
Balokhonov, R. [1 ,2 ]
机构：
[1] Russian Acad Sci, Siberian Branch, Inst Strength Phys & Mat Sci, Tomsk, Russia
[2] Natl Res Tomsk State Univ, Tomsk, Russia
来源：
RUSSIAN PHYSICS JOURNAL | 2024年
基金：
俄罗斯科学基金会;
关键词：
Al-Si alloys; Laser powder bed fusion; Cellular dendritic structure; CPFEM simulations; 539.4; 539.5; LASER; MICROSTRUCTURE; FATIGUE; STRESS;
D O I：
10.1007/s11182-024-03296-w
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The paper investigates the combined effect from the dendritic structure and grain orientation on the deformation behavior of the additively manufactured AlSi10Mg alloy. Micromechanical models comprising Al cells separated by a Si-rich eutectic network are constructed using the experimental data. The constitutive behavior of the Al phase is described in terms of the crystal plasticity to consider its crystallographic orientation. Intragranular stress and strain partitioning between Al and Si phases is analyzed numerically. The cellular dendritic structure is shown to be responsible for the anisotropy of mechanical properties of as-built Al-Si alloys.
引用
收藏
页码：1668 / 1676
页数：9
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