Optimization of micro metal injection molding with multiple performance characteristics using grey relational grade

Mohd H I Ibrahim, Norhamidi Muhamad, Abu Bakar Sulong, Khairur R. Jamaludin, Nor H M Nor, Sufizar Ahmad

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Micro metal injection molding μMIM which is a variant of MIM is a promising process towards near net-shape of metallic micro components of complex geometry. In this paper, μMIM is applied to produce 316L stainless steel micro components. Due to highly stringent characteristic of μMIM properties, the study has been emphasized on optimization of process parameter. Here, Taguchi method associated with Grey Relational Analysis (GRA) will be implemented as it represents novel approach towards investigation of multiple performance characteristics. Basic idea of GRA is to find a grey relational grade (GRG) which can be used for the optimization conversion from multi objectives case which are density and strength to a single objective case. After considering the form 'the larger the better', results show that the injection time(D) is the most significant followed by injection pressure(A), holding time(E), mold temperature(C) and injection temperature(B). Analysis of variance (ANOVA) is also employed to strengthen the significant of each parameter involved in this study.

Original languageEnglish
Pages (from-to)231-241
Number of pages11
JournalChiang Mai Journal of Science
Volume38
Issue number2
Publication statusPublished - 2011

Fingerprint

Metal molding
MIM (semiconductors)
Injection Molding
injection molding
Injection molding
Grey Relational Analysis
grade
Injection
Metals
Injections
Taguchi methods
optimization
Optimization
Stainless Steel
injection
Analysis of variance (ANOVA)
metals
Taguchi Method
Stainless steel
Complex Geometry

Keywords

  • Analysis of variance(ANOVA)
  • Design of experiment(DOE)
  • Grey relational analysis(GRA)
  • Micro metal injection molding
  • Optimization
  • Taguchi method

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Mathematics(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Chemistry(all)
  • Materials Science(all)

Cite this

Optimization of micro metal injection molding with multiple performance characteristics using grey relational grade. / Ibrahim, Mohd H I; Muhamad, Norhamidi; Sulong, Abu Bakar; Jamaludin, Khairur R.; Nor, Nor H M; Ahmad, Sufizar.

In: Chiang Mai Journal of Science, Vol. 38, No. 2, 2011, p. 231-241.

Research output: Contribution to journalArticle

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