Investigation of micro formability of bulk amorphous alloy in the supercooled liquid state based on fluid flow and finite element analysis

J. Mater. Sci. Technol. ›› 2009, Vol. 25 ›› Issue (02): 277-280.

Investigation of micro formability of bulk amorphous alloy in the supercooled liquid state based on fluid flow and finite element analysis

程明

Institute of Metal Research; Chinese Academy of Sciences

收稿日期:2007-09-18 修回日期:2008-03-04 出版日期:2009-03-28 发布日期:2009-10-10
通讯作者: 程明
基金资助:
国家自然科学基金;国家自然科学基金;国家自然科学基金;国家自然科学基金;国家自然科学基金;国家自然科学基金;国家自然科学基金;国家自然科学基金

Investigation of Micro Formability of Bulk Amorphous Alloy in the Supercooled Liquid State Based on Fluid Flow and Finite Element Analysis

M. Cheng^† and S.H. Zhang

Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China

Received:2007-09-18 Revised:2008-03-04 Online:2009-03-28 Published:2009-10-10
Contact: Ming Cheng
Supported by:
the National Natural Science Foundation of China under grant No. 50705092

摘要/Abstract

Abstract:

Research results on the viscous flow deformation behavior of bulk amorphous alloy in different systems are reviewed. The material exhibits an ideal Newtonian fluid at a high temperature. Analytical solution of lamellar fluid flow behavior is used to discuss the viscous flow behavior of the bulk amorphous alloy in the supercooled liquid state. A material model, which describes such deformation behavior of Mg₆₀Cu₃₀Y₁₀ amorphous alloy, is introduced into the finite element method of microforming process. Surface feature size was investigated and found not sensitive to the micro formability. Bulk amorphous alloy may possibly be applied to micro-electro-mechanical-systems (MEMS) fabrication.

Key words: Bulk amorphous alloy, Supercooled liquid state, Micro formability, Lamellar fluid flow

程明. Investigation of micro formability of bulk amorphous alloy in the supercooled liquid state based on fluid flow and finite element analysis[J]. J. Mater. Sci. Technol., 2009, 25(02): 277-280.

M. Cheng,S.H. Zhang. Investigation of Micro Formability of Bulk Amorphous Alloy in the Supercooled Liquid State Based on Fluid Flow and Finite Element Analysis[J]. J Mater Sci Technol, 2009, 25(02): 277-280.

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Investigation of micro formability of bulk amorphous alloy in the supercooled liquid state based on fluid flow and finite element analysis

Investigation of Micro Formability of Bulk Amorphous Alloy in the Supercooled Liquid State Based on Fluid Flow and Finite Element Analysis

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