低碳钢管道中的应力及其超声法测量
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于鹏, 杨理践, 郑文学, 杨亮
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Stress Measurement of Low Carbon Steel Pipe by Ultrasonic Method
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YU Peng, YANG Lijian, ZHENG Wenxue, YANG Liang
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表2 声时-应力表
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Table 2 Acoustic-stress table
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| Stress / MPa | L wave / μs | SH wave / μs |
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| Initial value | 4.18113 | 7.68438 | | 10 | 4.18122 | 7.68344 | | 20 | 4.18138 | 7.68095 | | 30 | 4.18158 | 7.67828 | | 40 | 4.18172 | 7.6792 | | 50 | 4.18183 | 7.6750 | | 60 | 4.18194 | 7.67592 | | 70 | 4.18208 | 7.67328 | | 80 | 4.18211 | 7.67099 | | 90 | 4.18225 | 7.67116 | | 100 | 4.18227 | 7.66686 |
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