Wear behaviour of eutectic and hypoeutectic Al-Si-Mg-Ce alloys

Anasyida Abu Seman, Abdul Razak Daud, Mariyam Jameelah Ghazali

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Purpose - The purpose of this paper is to study the wear behaviour of eutectic and hypoeutectic Al-Si-Mg-Ce alloys. Design/methodology/approach - The eutectic and hypoeutectic alloys were prepared using permanent mould casting process by varied cerium (Ce) addition in the alloy from 1 to 3 wt%. Dry sliding wear tests were performed against a hardened carbon steel (Fe-2.3%Cr-0.9%C) using a pin-on-disc configuration with fixed sliding speed of 1 m/s and load 50 N at room temperature of ∼25 degree. Morphologies of both worn surfaces and collected debris were characterised by a scanning electron microscope (SEM) equipped with an energy dispersive X-ray spectrometer (EDS). Findings - It was revealed that following the addition of cerium, intermetallic Al4Ce needle-like structure was present in eutectic alloys whereas CeMg2Si2 blocky phase was present in the hypoeutectic alloys. The increasing of Ce addition up to 3.0 wt% in hypoeutectic alloy led to formation of AlCe3 intermetallic phase. The increase in cerium content up to 2 wt% led to higher wear resistance behaviour for both as-cast alloys. Formation of craters and localised plastic deformation were observed on the worn surface of both as-cast alloys, resulting fine particulate and sheet-like wear debris. The wear resistance was found to be higher for hypoeutectic alloy compared to the eutectic alloy containing Ce. Originality/value - An attempt has been made to study the influence of intermetallic compound containing Ce in the Al-Si-Mg alloys on wear behaviour of both as-cast alloys.

Original languageEnglish
Pages (from-to)135-140
Number of pages6
JournalIndustrial Lubrication and Tribology
Volume65
Issue number2
DOIs
Publication statusPublished - 2013

Fingerprint

Cerium alloys
Eutectics
Cerium
Wear of materials
Intermetallics
Debris
Wear resistance
Permanent mold casting
X ray spectrometers
Lead alloys
Needles
Carbon steel

Keywords

  • Alloys
  • Aluminium alloy
  • Cerium
  • Eutectic
  • Hypoeutectic
  • Surface properties of materials
  • Wear resistance
  • Worn surface

ASJC Scopus subject areas

  • Mechanical Engineering
  • Energy(all)
  • Surfaces, Coatings and Films

Cite this

Wear behaviour of eutectic and hypoeutectic Al-Si-Mg-Ce alloys. / Seman, Anasyida Abu; Daud, Abdul Razak; Ghazali, Mariyam Jameelah.

In: Industrial Lubrication and Tribology, Vol. 65, No. 2, 2013, p. 135-140.

Research output: Contribution to journalArticle

Seman, Anasyida Abu ; Daud, Abdul Razak ; Ghazali, Mariyam Jameelah. / Wear behaviour of eutectic and hypoeutectic Al-Si-Mg-Ce alloys. In: Industrial Lubrication and Tribology. 2013 ; Vol. 65, No. 2. pp. 135-140.
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