HEAT RESISTANT ALUMINUM ALLOY, AND POWDER AND CONNECTING ROD THEREFROM

Title:

HEAT RESISTANT ALUMINUM ALLOY, AND POWDER AND CONNECTING ROD THEREFROM

Document Type and Number:

Japanese Patent JPH0748644

Kind Code:

A

Abstract:

PURPOSE: To provide a heat-resistant aluminum alloy which suppresses adhesion to the counterpart or broken due to fretting fatigue.

CONSTITUTION: This heat-resistant aluminum alloy is formed by dispersing 0.1-5.0wt.% of elemental boron in an alloy base material consisting, by weight, of 8-25% Si, 0.6-8% Fe, 0.6-5% Cu, 0.5-5% Mg, 0.3-5% Mn and the balance Al with inevitable impurities. This alloy is produced by powder metallurgy from a mixture of aluminum alloy powder and B powder. The inner periphery of the small end hole of the connecting rod produced from this alloy is varnished, the surface roughness is controlled to ≤0.7μm Rz, and the alloy is provided with a residual compressive stress.

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Inventors:

IMAHASHI KUNIHIKO
MIURA HIROHISA
MAEDA CHIKATOSHI
NISHIDA KOJI
YAMADA YASUHIRO

Application Number:

JP19337193A

Publication Date:

February 21, 1995

Filing Date:

August 04, 1993

Export Citation:

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Assignee:

TOYOTA MOTOR CORP

International Classes:

C22C21/02; F16C3/02; F16C7/02; (IPC1-7): C22C21/02; F16C3/02

Attorney, Agent or Firm:

Hiroshi Okawa

Next Patent: ALUMINUM ALLOY FOR FORMING AND PRODUCTION OF ALUMINUM ALLOY SHEET FOR FORMING