| AN APPROACH FOR CONTROLLING OSCILLATION IN DYNAMIC STRESS-STRAIN MEASUREMENT |
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| 作者姓名： | Liu Deshun |
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| 作者单位： | Xiangtan Mining Institute，Xiangtan 411201 Li Xibing; Yang Xiangbi Central South University of Technology，Changsha 410083 |
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| 摘 要： | ＡＮＡＰＰＲＯＡＣＨＦＯＲＣＯＮＴＲＯＬＬＩＮＧＯＳＣＩＬＬＡＴＩＯＮＩＮＤＹＮＡＭＩＣＳＴＲＥＳＳ－ＳＴＲＡＩＮＭＥＡＳＵＲＥＭＥＮＴＬｉｕＤｅｓｈｕｎ（ＸｉａｎｇｔａｎＭｉｎｉｎｇＩｎｓｔｉｔｕｔｅ，Ｘｉａｎｇｔａｎ４１１２０１ＬｉＸｉｂｉｎｇ；...
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AN APPROACH FOR CONTROLLING OSCILLATION IN DYNAMIC STRESS-STRAIN MEASUREMENT |
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| Liu Deshun.AN APPROACH FOR CONTROLLING OSCILLATION IN DYNAMIC STRESS-STRAIN MEASUREMENT[J].Transactions of Nonferrous Metals Society of China,1996(2). |
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| Authors: | Liu Deshun |
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| Abstract: | The reasons why cscillation exists in the measurement of dynamic stress-strain curves of the SHPB subjected to a rectangular loading wave have been analyzed and a conclusion of that the oscillation can be controlled by the loading stress waveforms was made. Then, the Impact Discrete Inversion Technique proposed by the authors was introduced to design the rams based on expected stress waveforms. The confirmative experimentation results obtained using the designed ram which can produce an approaching sine wave showedthat the oscillations were effectively controlled. |
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| Keywords: | dynamic experiment technique impact stress waveform |
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