Parameter Optimization of Injection Molding Ti-6Al-4V Powder and Palm Stearin Binder System for Highest Green Density Using Taguchi Method

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Trans Tech Publications Ltd

外文摘要：In this paper, the titanium alloy powder of Ti-6Al-4V is mixed with binder 60wt% of palm stearin and 40wt% of polyethylene for metal injection molding (MIM) process. Injection molding parameters has been optimized using Taguchi method of L~(27) (3~(13)) orthogonal array. Highest green density has been identified as the green part quality characteristic or as an output for this study. Parameters optimized are the injection pressure, injection temperature, powder loading, mold temperature, holding pressure and injection speed. Besides those, interaction of the injection pressure, injection temperature and powder loading were studied. The analysis of variance (ANOVA) is employed to determine the significant levels (α) and contributions of the variables to the green density. Results show that the injection pressure has highest significant percentage followed by injection temperature, powder loading and holding pressure.

外文关键词：

taguchi methodoptimizationmetal injection molding (MIM)green densityTi-6Al-4Vpalm stearinanalysis of variance (ANOVA)

作者：

Nor Hafiez Mohamad Nor、Norhamidi Muhamad、Sufizar Ahmad、Mohd Halim Irwan Ibrahim、Mohd Ruzi Harun、Khairur Rijal Jamaludin

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作者单位：

Faculty of Mechanical Engineering, Universiti Teknologi MARA,40450 Shah Alam, Selangor, Malaysia Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia,43600 Bangi, Selangor, Malaysia

Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia,43600 Bangi, Selangor, Malaysia

College of Science and Technology, Universiti Teknologi Malaysia,City Campus, 54100 Kuala Lumpur, Malaysia

出版年：

2010

DOI：

10.4028/www.scientific.net/KEM.443.69

Key engineering materials

ISSN：1013-9826

年,卷(期)：2010.443

被引量3
参考文献量14