Optimizing the injection parameter of water atomised SS316l powder with design of experiment method for best sintered density

Khairur R. Jamaludin, Norhamidi Muhamad, Mohd Nizam Ab Rahman, Sufizar Ahmad, Mohd H I Ibrahim, Nor H M Nor

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Injection moulding parameters that simultaneously satisfy green part qualities (green defect, green strength and green density) have been optimised using L27 (313) Taguchi orthogonal array. Moulding variables involved in the optimisation are the moulding pressure, moulding temperature, mould temperature, holding pressure, moulding rate, holding time and cooling time. The analysis of variance (ANOVA) is employed to determine the significant levels (α) and contributions of the variables to the green qualities. Results show that the mould temperature and holding time is highly significant simultaneously to the green qualities, while the holding pressure and cooling time does not show any significance. Besides that, densification of the compact moulded with the optimised moulding parameter is presented in this paper. With sintering temperature ranging from 1,340 to 1,400oC while heating rate and dwell time remains at 10oC/min and 4 hours respectively demonstrates that the optimised moulding parameter is enabled to produce a sintered part with a density which is very close to the solid density of SS316L.

Original languageEnglish
Pages (from-to)349-358
Number of pages10
JournalChiang Mai Journal of Science
Volume36
Issue number3
Publication statusPublished - Sep 2009

Fingerprint

Molding
experiment design
Design of Experiments
Powder
Powders
Design of experiments
Injection
injection
Water
Injections
Compression molding
Temperature
water
Pressure
Cooling
Fungi
cooling
Analysis of variance (ANOVA)
Heating rate
analysis of variance

Keywords

  • Analysis of variance
  • Simultaneous optimisation
  • Sintering
  • SS316L
  • 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

Optimizing the injection parameter of water atomised SS316l powder with design of experiment method for best sintered density. / Jamaludin, Khairur R.; Muhamad, Norhamidi; Ab Rahman, Mohd Nizam; Ahmad, Sufizar; Ibrahim, Mohd H I; Nor, Nor H M.

In: Chiang Mai Journal of Science, Vol. 36, No. 3, 09.2009, p. 349-358.

Research output: Contribution to journalArticle

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