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根据ASTM E328—78设计了等应力的片形应力松弛测试试样,对其应力松弛测试装置进行了初步探索,并进行了应力松弛测试试验研究.
According to ASTM E328-78, an equivalent stress specimen for stress relaxation test was designed. The stress relaxation test device was preliminarily explored and the stress relaxation test was conducted.