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利用在１００ｋＮ冲床转键离合器键位处加设聚氨酯弹性体垫，使离合器接合噪声下降１０．７ｄＢ（Ａ）。为确定聚氨酯使用环境温度是否高于其额定使用温度，作者用有限元方法对键位处的温度场进行计算，并利用变形的记忆合金随温度升高具有恢复其记忆形状的特性，测量了键位处的温度，得出实测温度与计算值很相近的结果。
The use of 100kN punch switch key clutch position polyurethane elastomer pad, clutch engagement noise down 10.7dB (A). In order to determine if the ambient temperature of polyurethane is higher than its rated service temperature, the authors calculated the temperature field at the bond site by using the finite element method. By using the deformed memory alloy with the characteristic of recovering its memory shape with increasing temperature, The temperature at the location gives the result that the measured temperature is very close to the calculated value.