Testing of cores—Part 8:Determination of natural frequency and flexural modulus by experimental modal analysis
MOD ISO 11093-8:1997
全国造纸工业标准化技术委员会(SAC/TC 141)
GB/T 22906的本部分规定了采用两端自由的横向振动试验模型来测定纸芯的固有频率和弹性模量的试验方法。
本部分适用于内径为50 mm～350 mm、最小壁厚为0.02倍内径或不小于2.0 mm、最小长度为8倍内径的纸芯。
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