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EP0200691A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Iron-based powder mixture for a sintered alloy

Assignee: Hoganas AB
•
Filing: 1986-03-04
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Granted: —
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Expires: 2006-03-04
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Abstract

Abstract The present invention relates to an iron-base powder containing Ni, Mo and C for producing highly resistant sintered bodies under normal pressing and sintering conditions. The powder contains 7-12% by weight of Ni, 0.4-1.5% by weight of Mo, and 0.3-0.7% by weight of C.

Inventors

  • 👤 Ulf Engström
  • 👤 Sven Allroth
  • 👤 Olavi Mustonen

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 02:43
CPC Classifications
C; C22; C22C; C22C33/00; C22C33/02; C22C33/0257; C22C33/0278; C22C33/0285

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 35 words
Iron-base powder containing the elements nickel and molybdenum for producing high-strength sintered bodies, characterized in that the powder contains 7-12% by weight of nickel, 0.4-1.5% by weight of molybdenum, and 0.3-0.7% by weight of carbon.
Claim 2
Dependent Claim 35 words
Iron-base powder containing the elements nickel and molybdenum for producing high-strength sintered bodies, characterized in that the powder contains 7-12% by weight of nickel, 0.4-1.5% by weight of molybdenum, and 0.3-0.7% by weight of carbon.
Claim 3
Dependent Claim 18 words
Iron-base powder as claimed in claim 1, characterized in that the powder contains 7.5-10.5% by weight of nickel.
Claim 4
Dependent Claim 22 words
Iron-base powder as claimed in any one of the preceding claims, characterized in that the powder contains 0.5-1.0% by weight of molybdenum.
Claim 5
Dependent Claim 22 words
Iron-base powder as claimed in any one of the preceding claims, characterized in that the powder contains 0.4-0.6% by weight of carbon.
Claim 6
Dependent Claim 28 words
Iron-base powder as claimed in any one of the preceding claims, characterized in that the iron particles included have a size below 350 µm, preferably below 175 µm.
Claim 7
Dependent Claim 28 words
Iron-base powder as claimed in any one of the preceding claims, characterized in that the alloying particles included have a size below 75 µm, preferably below 44 µm.
Claim 8
Dependent Claim 35 words
Iron-base powder as claimed in any one of the preceding claims, characterized in that carbon and nickel metal are attached by a binding agent to the iron particles which are partially diffusion-ai- loyed with molybdenum.
Claim 9
Dependent Claim 26 words
Iron-base powder as claimed in any one of the preceding claims, characterized in that the powder is admixed with up to 1.5% by weight of lubricant.

References Cited (Backward Citations)

FR1246567A Cited
DE1207634B Cited
SE334244B Cited
SE359120B Cited
DE2112944A1 Cited
SE416824B Cited

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