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通过控制不同拉伸速率对性能相近的试样进行拉伸试验,测定出钢材的力学性能。通过比较得知,拉伸速率对测定结果有一定影响,随拉伸速率提高测定的屈服强度亦有一定提高。
By controlling the tensile rate of different properties of similar samples for tensile test to determine the mechanical properties of steel. By comparison, the tensile rate of the test results have a certain impact, with the tensile rate measured yield strength also increased to a certain extent.