Experimental examination of the additivity of high-temperature solution hardening due to different solute elements

Hideharu Nakashima, Masami Watase, Hideo Yoshinaga

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4 Citations (Scopus)

Abstract

In order to clarify the additive effect of different solute elements on the solute-atmosphere drag stress of dislocations, solution-strengthened Al-Mg, Al-Cu and Al-Mg-Cu alloys were creep-tested at 723 K under stresses ranging from 3 to 12 MPa. The effective stress, internal stress and dislocation mobility were measured during deformation by the stress change technique. It is found that a relation holds in common for these alloys. From this relation, it is concluded that the effective stress for the solute-atmosphere drag in the tertiary alloys is simply given by the sum of solution hardening due to Mg and Cu atoms.

Original languageEnglish
Pages (from-to)28-33
Number of pages6
JournalNippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals
Volume53
Issue number1
Publication statusPublished - Jan 1989

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hardening
Hardening
solutes
examination
Drag
drag
Temperature
atmospheres
Residual stresses
Creep
residual stress
Atoms
atoms

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

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abstract = "In order to clarify the additive effect of different solute elements on the solute-atmosphere drag stress of dislocations, solution-strengthened Al-Mg, Al-Cu and Al-Mg-Cu alloys were creep-tested at 723 K under stresses ranging from 3 to 12 MPa. The effective stress, internal stress and dislocation mobility were measured during deformation by the stress change technique. It is found that a relation holds in common for these alloys. From this relation, it is concluded that the effective stress for the solute-atmosphere drag in the tertiary alloys is simply given by the sum of solution hardening due to Mg and Cu atoms.",
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AU - Watase, Masami

AU - Yoshinaga, Hideo

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N2 - In order to clarify the additive effect of different solute elements on the solute-atmosphere drag stress of dislocations, solution-strengthened Al-Mg, Al-Cu and Al-Mg-Cu alloys were creep-tested at 723 K under stresses ranging from 3 to 12 MPa. The effective stress, internal stress and dislocation mobility were measured during deformation by the stress change technique. It is found that a relation holds in common for these alloys. From this relation, it is concluded that the effective stress for the solute-atmosphere drag in the tertiary alloys is simply given by the sum of solution hardening due to Mg and Cu atoms.

AB - In order to clarify the additive effect of different solute elements on the solute-atmosphere drag stress of dislocations, solution-strengthened Al-Mg, Al-Cu and Al-Mg-Cu alloys were creep-tested at 723 K under stresses ranging from 3 to 12 MPa. The effective stress, internal stress and dislocation mobility were measured during deformation by the stress change technique. It is found that a relation holds in common for these alloys. From this relation, it is concluded that the effective stress for the solute-atmosphere drag in the tertiary alloys is simply given by the sum of solution hardening due to Mg and Cu atoms.

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