Tensile Behavior of Superplastic Zn-22Al Alloy Sheet : On the Strain Rate History

Tetsumaro TSUZURAHARA; Hisashi Nishimura

doi:10.1299/kikaia.48.838

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JOURNAL ARTICLE

Tensile Behavior of Superplastic Zn-22Al Alloy Sheet : On the Strain Rate History

Tetsumaro TSUZURAHARA Hisashi Nishimura

Year: 1982 Journal: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A Vol: 48 (430)Pages: 838-846 Publisher: Japan Society Mechanical Engineers

DOI: 10.1299/kikaia.48.838

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Abstract

超塑性材の延性のおよぼす影響因子の中でひずみ速度に着目し,引張変形中に速度変換を行って,ひずみ速度履歴が延性におよぼす影響を調べた.その結果,低速から高速への速度変換でのLinear Damage Lawの成立と,逆の変換での加工時間短縮の例とを示した.また,速度履歴の力学的挙動について実験および数値計算により考察し,変形に伴うK,m(σ=Kεm・εn)の変化を明らかにした.

Keywords:

Superplasticity Materials science Strain rate Ultimate tensile strength Alloy Strain (injury) Metallurgy Composite material Medicine Anatomy

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Aluminum Alloys Composites Properties

Physical Sciences → Engineering → Mechanical Engineering

Advanced Welding Techniques Analysis

Physical Sciences → Engineering → Mechanical Engineering

Aluminum Alloy Microstructure Properties

Physical Sciences → Engineering → Aerospace Engineering

Tensile Behavior of Superplastic Zn-22Al Alloy Sheet : On the Strain Rate History

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