Surface roughness and chip formation of AlSi/AIN metal matrix composite by end milling machining using the Taguchi method

M. S. Said, Jaharah A Ghani, R. Othman, M. A. Selamat, N. N. Wan, Che Hassan Che Haron

Research output: Contribution to journalArticle

Abstract

The purpose of this research is to demonstrate surface roughness and chip formation by the machining of Aluminium silicon alloy (AlSic) matrix composite, reinforced with aluminium nitride (AlN), with three types of carbide inserts present. Experiments were conducted at various cutting speeds, feed rates, and depths of cut, according to the Taguchi method, using a standard orthogonal array L9 (34). The effects of cutting speeds, feed rates, depths of cut, and types of tool on surface roughness during the milling operation were evaluated using Taguchi optimization methodology, using the signal-to-noise (S/N) ratio. The surface finish produced is very important in determining whether the quality of the machined part is within specification and permissible tolerance limits. It is understood that chip formation is a fundamental element that influences tool performance. The analysis of chip formation was done using a Sometech SV-35 video microscope. The analysis of results, using the S/N ratio, concluded that a combination of low feed rate, low depth of cut, medium cutting speed, and an uncoated tool, gave a remarkable surface finish. The chips formed from the experiment varied from semi-continuous to discontinuous.

Original languageEnglish
Pages (from-to)13-17
Number of pages5
JournalJurnal Teknologi (Sciences and Engineering)
Volume68
Issue number4
DOIs
Publication statusPublished - 2014

Fingerprint

Taguchi methods
Milling (machining)
Machining
Surface roughness
Signal to noise ratio
Composite materials
Metals
Silicon alloys
Aluminum nitride
Carbides
Aluminum alloys
Microscopes
Experiments
Specifications

Keywords

  • Chip formation
  • Machining process
  • Surface roughness
  • Taguchi method

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Surface roughness and chip formation of AlSi/AIN metal matrix composite by end milling machining using the Taguchi method. / Said, M. S.; A Ghani, Jaharah; Othman, R.; Selamat, M. A.; Wan, N. N.; Che Haron, Che Hassan.

In: Jurnal Teknologi (Sciences and Engineering), Vol. 68, No. 4, 2014, p. 13-17.

Research output: Contribution to journalArticle

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