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直到今天,确定铜和铜合金板材以及大多数金属板材的可成形性所常用的方法,仍然是通过标准的拉伸试验比较金属的延伸率;及应用较少的奥尔逊杯突实验,比较断
Until today, a common method of determining the formability of copper and copper alloy sheets and most sheet metal sheets was to compare the elongation of the metal by standard tensile tests, and to compare the Oerson cup test with less Off