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利用单试样步增量法,得到20g 母材和焊缝试样循环应力应变曲线及性能参数,分析了焊缝组织结构对循环行为的影响.
The cyclic stress-strain curves and performance parameters of 20g base metal and weld samples were obtained by single sample increment method, and the influence of microstructure of weld seam on cyclic behavior was analyzed.