| 标题 |
Characteristics of Acoustic Emission and Position Entropy of Q345R in Tensile Progress at Room Temperature
室温拉伸过程中Q345R的声发射和位置熵特性
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| 备注 |
作者：Li Wei, Jiang Peng, Yang Zhijun，LongFeifei and Yang Yu 关键词：Keywords: acoustic emission, Q345R, position entropy, damage
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| 其它 |
作者：Li Wei, Jiang Peng, Yang Zhijun，LongFeifei and Yang Yu Northeast Petroleum University, Mechanical Science and Engineering College, Daqing,China,163318 摘要：Abstract: The tensile process of Q345R was monitored in this study through acoustic emission at room temperature. The relationship between the mechanical process and the internal damage situation was established. The hits and accumulated energy of acoustic emission in the tensile process of the specimen as well as the acoustic emission characteristics of Q345R in the tensile process were obtained. By calculating the position entropy value of acoustic emission events, the damage to Q345R in the tensile process was quantitatively described. We conclude that the position entropy value in the tensile process changes at different stress states. 关键词：Keywords: acoustic emission, Q345R, position entropy, damage |
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