Estimating inclusion size in WE43-T6 magnesium alloys based on Gumbel extreme values

A. Ahmad, J. Purbolaksono, Z. Yahya

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Estimating the maximum inclusion size in a large volume of clean metal from observations on a small volume is an important problem faced by the metallurgical industries. Static and fatigue behaviors and other mechanical properties of the material are influenced by the maximum inclusion sizes. This paper presents first application of the extreme values method for estimating the largest inclusion in WE43-T6 magnesium alloys. The actual dimensions of the largest pore and oxide in WE43-T6 magnesium alloys are found to be consistent with the dimensions predicted using the Gumbel extreme values (GEV) distribution obtained by both tomography and metallography. In this respect application of the Gumbel extreme values to describe clusters of intermetallic particles and predict the maximum intermetallic size in WE43 magnesium alloys may also be reasonably used.

Original languageEnglish
Pages (from-to)319-324
Number of pages6
JournalMaterials Science and Engineering A
Volume513-514
Issue numberC
DOIs
Publication statusPublished - 15 Jul 2009

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magnesium alloys
Magnesium alloys
estimating
inclusions
Intermetallics
intermetallics
metallography
Metallography
Oxides
Tomography
tomography
Metals
industries
Fatigue of materials
mechanical properties
porosity
Mechanical properties
oxides
metals
Industry

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

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abstract = "Estimating the maximum inclusion size in a large volume of clean metal from observations on a small volume is an important problem faced by the metallurgical industries. Static and fatigue behaviors and other mechanical properties of the material are influenced by the maximum inclusion sizes. This paper presents first application of the extreme values method for estimating the largest inclusion in WE43-T6 magnesium alloys. The actual dimensions of the largest pore and oxide in WE43-T6 magnesium alloys are found to be consistent with the dimensions predicted using the Gumbel extreme values (GEV) distribution obtained by both tomography and metallography. In this respect application of the Gumbel extreme values to describe clusters of intermetallic particles and predict the maximum intermetallic size in WE43 magnesium alloys may also be reasonably used.",
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Estimating inclusion size in WE43-T6 magnesium alloys based on Gumbel extreme values. / Ahmad, A.; Purbolaksono, J.; Yahya, Z.

In: Materials Science and Engineering A, Vol. 513-514, No. C, 15.07.2009, p. 319-324.

Research output: Contribution to journalArticle

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