The minimum hardness in the joint of a FSWed precipitation-hardened aluminum alloys lies in the （）. A: thermally affected zone B: thermomechanically affected zone C: dynamically recrystallized zone

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2022-05-31 问题

The minimum hardness in the joint of a FSWed precipitation-hardened aluminum alloys lies in the （）. A: thermally affected zone B: thermomechanically affected zone C: dynamically recrystallized zone

The minimum hardness in the joint of a FSWed precipitation-hardened aluminum alloys lies in the （ ）. A: thermally affected zone B: thermomechanically affected zone C: dynamically recrystallized zone

The minimum hardness in the joint of a FSWed precipitation-hardened aluminum alloys lies in the （）. A: thermally affected zone B: thermomechanically affected zone C: dynamically recrystallized zone