Direct partial remelting of XW-42 steel in semi-solid zone

A. Alfan, Mohd. Zaidi Omar, J. Syarif, Zainuddin Sajuri

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Microstructure that consists of spheroid grains in liquid matrix is desirable for semi-solid metal forming. In this study, a direct partial remelting from as annealed condition was used to examine microstructural evolution of XW-42 steel prior to thixoforming process. It was found out that M7C3 carbides dissolve inside the semi solid zone (between 1250-1270°C) while M23C6 carbides dissolve completely before entering semi-solid zone. The dissolution of these grain boundary carbides during partial remelting helps the grain spheroidisation of the XW-42 steel samples. Partial remelting at 1300 and 1340°C resulted in the formation of relatively spherical grains with liquid percent around 17%. The results indicate the suitability of these steel as a potential material for thixoforming through direct partial remelting route.

Original languageEnglish
Pages (from-to)1255-1262
Number of pages8
JournalJournal of Applied Sciences
Volume10
Issue number13
Publication statusPublished - 2010

Fingerprint

Remelting
Carbides
Steel
Microstructural evolution
Metal forming
Liquids
Dissolution
Grain boundaries
Microstructure

Keywords

  • Direct partial remelting
  • DTA
  • Jmatpro
  • Thixoforming
  • XW-42 steel

ASJC Scopus subject areas

  • General

Cite this

Direct partial remelting of XW-42 steel in semi-solid zone. / Alfan, A.; Omar, Mohd. Zaidi; Syarif, J.; Sajuri, Zainuddin.

In: Journal of Applied Sciences, Vol. 10, No. 13, 2010, p. 1255-1262.

Research output: Contribution to journalArticle

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