SIMULATION EFFECT OF COLD-SPRAYED PARTICLES PROPERTIES ON THEIR IMPACTING BEHAVIORS

被引：0

作者：

Zhou Xianglin ^{[1
]}

Su Xianyong ^{[1
]}

Cui Hua ^{[2
]}

Guo Huihua ^{[1
]}

Wu Xiangkun ^{[1
]}

Zhang Jishan ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Beijing 100083, Peoples R China

[2] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China

来源：

ACTA METALLURGICA SINICA | 2008年 / 44卷 / 11期

基金：

中国国家自然科学基金;

关键词：

cold spraying; numerical simulation; adiabatic shear instability; effective plastic limit;

D O I：

暂无

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The deformation behaviors of Cu, Al, Ni alloy and Ti alloy particles cold-sprayed on Cu substrates are studied using the finite element analysis, and the binding behaviors between particles and substrate were analyzed. The results indicated that the particles with higher effective plastic limit than that of substrate are easy to undergo adiabatic shear instability, while the substrate does not undergo adiabatic shear instability and releases deformation energy, which leads particles to rebound. No adiabatic shear instability is observed in particles with lower effective plastic limit than that of substrate, and the release of the deformation energy will promote the adiabatic shear instability of substrate.

引用

页码：1286 / 1291

页数：6

共 17 条

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