Effect of V on the tensile strength of sintered Cr-Mo alloyed steel powder compacts

Shigeru Unami, Osamu Furukimi, Satoshi Uenosono, Kuniaki Ogura

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A prealloyed 1Cr-0.3Mo-0.3V(mass%) steel powder was developed to obtain the high strength sintered compacts. This new sintered 1Cr-0.3Mo-0.3V powder compact, which is Mn-less, made it possible to extend the range of the cooling rate after sintering to attain higher strength than that of sintered 1Cr-0.3Mo steel, and gave a tensile strength of more than 800 MPa and a rotating bending fatigue strength of 310MPa at the cooling rates of 1 to 30°C/min. The wide range of cooling rates at which high strength can be obtained was attributed to a decrease in hardenability and the production of a fine pearlite structure by V addition. The improvement of the strength for the compacts added V is attributed to the precipitation hardening of V carbonitrides, as well as a narrow pearlite lamellar spacing.

Original languageEnglish
Pages (from-to)1106-1110
Number of pages5
JournalFuntai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
Volume43
Issue number9
DOIs
Publication statusPublished - Jan 1 1996

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Steel
Powders
Tensile strength
Pearlite
Cooling
Age hardening
Carbon nitride
Sintering

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

Effect of V on the tensile strength of sintered Cr-Mo alloyed steel powder compacts. / Unami, Shigeru; Furukimi, Osamu; Uenosono, Satoshi; Ogura, Kuniaki.

In: Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy, Vol. 43, No. 9, 01.01.1996, p. 1106-1110.

Research output: Contribution to journalArticle

Unami, Shigeru ; Furukimi, Osamu ; Uenosono, Satoshi ; Ogura, Kuniaki. / Effect of V on the tensile strength of sintered Cr-Mo alloyed steel powder compacts. In: Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 1996 ; Vol. 43, No. 9. pp. 1106-1110.
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