103 Superplasticity in a 7475 Aluminum Alloy subjected to severe plastic deformation

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概要

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• A high-strength 7475 aluminum alloy subjected to severe plastic deformation through hot equal channel angular extrusion (ECAE) with and without isothermal rolling (IR) was studied in tension at strain rates ranging from 2.7×10^<-5> to 5.6×10^<-2>s^<-1> and temperature of 〜450℃. It was established that IR slightly affect the superplastic ductilities. The alloy subjected to ECAE exhibited the maximum elongation of 〜720% at a temperature of 450℃ and an initial strain rate of 5.6×10^<-3> s^<-1>. Superplastic elongation of 〜660% was recorded at strain rates higher than 10^<-2>s^<-1>, in isothermally rolled 7475 aluminum alloy.

• 一般社団法人日本機械学会の論文
• 2007-09-28

著者

• Motohashi Y.

  茨大超塑性セ

• Kaibyshev R.

  ロシア科学アカデミー

• Nikulin I.

  茨大超塑性セ

• Kipelova A.

  ロシア科学アカデミー

• Nikulin I.

  茨城大超塑性セ

• Motohashi Y.

  茨城大超塑性セ

関連論文

• 104 Superplasticity of aluminum alloys subjected to intense plastic deformation
• 103 Superplasticity in a 7475 Aluminum Alloy subjected to severe plastic deformation

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