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Research on the Micro Sheet Stamping Process Using Plasticine as Soft Punch.

Xiao Wang¹, Di Zhang², Chunxing Gu³

¹School of Mechanical Engineering, Jiangsu University, Xuefu Road, Zhenjiang 212013, Jiangsu, China. wx@ujs.edu.cn.

Materials (Basel, Switzerland)

|August 10, 2017

Summary

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Plasticine effectively creates micro-channels in metal sheets via micro sheet stamping. Increasing load force enhances micro-channel depth but risks material cracking.

Area of Science:

Materials Science
Manufacturing Engineering
Mechanical Engineering

Background:

Plasticine's high material flow ability makes it suitable for metal forming analysis.
Micro-channel fabrication is crucial for various advanced applications.
Traditional methods for micro-channel fabrication can be complex and costly.

Purpose of the Study:

To investigate the use of plasticine as a soft punch for fabricating array micro-channels in metal sheets.
To analyze the influence of load forces on micro-channel formation and sheet deformation.
To validate experimental findings with numerical simulations.

Main Methods:

Micro sheet stamping process utilizing plasticine as a soft punch.
Experimental investigation of micro-channel distribution and sheet deformation under varying load forces.

Keywords:

material flow plasticine sheet forming soft punch stamping

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Numerical simulation of the micro sheet stamping process to analyze stress and thinning.

Main Results:

Plasticine successfully fabricated array micro-channels in metal sheets.
Micro-channel depth increased with applied load force.
Cracking was observed in the metal sheet at critical load forces.
Experimental and numerical results showed good agreement.
Simulation identified high von Mises stress and significant thinning in the corner regions as potential crack initiation sites.

Conclusions:

Plasticine is a viable soft punch material for micro-channel fabrication in micro sheet stamping.
Load force is a critical parameter influencing micro-channel geometry and material integrity.
Numerical simulations are effective in predicting potential failure mechanisms like cracking in micro sheet stamping.