塑性应变比r值是评价金属薄板深压延性能的重要参数之一,使用Zwick/Roell 100试验机测试经模拟试验的薄板r值,若试验后出现异常值,则可使用该机上的试验软件对异常值重新计算,便能保证试验结果的准确性。结果表明,这是一种处理模拟试验后薄板试样塑性应变比r值差异的有效方法。

The plastic strain r is one of important parameters to evaluate deep rolling property of metal thin slab. When using Zwick/Roell 100 test machine to test thin slab r after simulation test,if the test value is abnormal,the test software can be used to recalculate abnormal value to ensure accuracy of test results. Results show that is an effective method to treat abnormal plastic strain ratio r of thin slab after simulation test.