本文简要介绍了伸长率换算标准，并探求了其在力学检验中的实际应用。实际应用中将钢材试样的原始标距设为一固定值，然后测量断后标距，利用Oliver换算公式作为转换工具，通过计算机的便捷性换算得出符合标准要求的断后伸长率。本文证明了其在实际应用中的方便性和可行性，并就应用中的误差进行了分析。
This paper synopsis introduces the standard of percentage elongation conversion, and investigated the application in mechanics test of actual. Apply medium be apart from the original mark that the steel material of a specification district is tries the kind to unify the enactment on one fixed value of the provision, then mete out to gauge length after fracture to be apart from, make use of the Oliver to convert the formula conduct and actions conversion tool to carry on the percentage elongation's convert, the convenience that pass the computer convert a sign is up to standard to request of percentage elongation after fracture. Proved it is possible in actual application of the convenience. The errors in application of the conversion of elongation are analyzed.
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