Influences of alloy elements in infiltrant on mechanical properties of copper-alloy infiltrated P/M high speed steels

Akira Fujiki, Masashi Arita, Wataru Nojiri, Teruhisa Watanabe

Research output: Contribution to journalArticle

Abstract

Mechanical properties of copper alloy infiltrated M42, T42 P/M high speed steels were studied. The green compacts were sintered in vacuum at 1433, 1443, 1453 K. The skeletons were infiltrated with Cu-Cr, Cu-Co and Cu-Fe-Mn infiltrants in hydrogen or argon at 1423 K for 1.8 ks. All infiltrated specimens shrunk. The Cu-Fe-Mn infiltrated steels had the least amount of dimensional change. The Cu-Fe-Mn infiltrated steels had comparatively high hardness but low strength. Cu-Cr and Cu-Co infiltrated steels showed high strength, especially the M42 steel having a skeleton sintered at 1453 k in vacuum and infiltrated with the Cu-Co infiltrant in hydrogen had 2450 MPa of transverse rupture strength and HRC 48 of hardness.

Original languageEnglish
Pages (from-to)214-218
Number of pages5
JournalFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Volume37
Issue number2
Publication statusPublished - 1990 Feb
Externally publishedYes

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Steel
Copper alloys
Mechanical properties
Hydrogen
Hardness
Vacuum
Argon
High strength steel

ASJC Scopus subject areas

  • Mechanical Engineering
  • Metals and Alloys

Cite this

Influences of alloy elements in infiltrant on mechanical properties of copper-alloy infiltrated P/M high speed steels. / Fujiki, Akira; Arita, Masashi; Nojiri, Wataru; Watanabe, Teruhisa.

In: Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy, Vol. 37, No. 2, 02.1990, p. 214-218.

Research output: Contribution to journalArticle

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