Austenitic steel residual stress detection method capable of correcting grain size difference
The invention relates to the technical field of residual stress detection, in particular to an austenitic steel residual stress detection method capable of correcting grain size difference, which comprises the following steps: acquiring a calibration sample which has the same specification as a samp...
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| creator | XU JING WANG PENGFEI WU KAIPENG ZHOU LUJUN HUO QIAOYING CHEN QI DAI ZHONGCHEN LIN HAO FU NINGNING |
| description | The invention relates to the technical field of residual stress detection, in particular to an austenitic steel residual stress detection method capable of correcting grain size difference, which comprises the following steps: acquiring a calibration sample which has the same specification as a sample to be detected and has different grain sizes, and acquiring a surface wave attenuation coefficient of the calibration sample and critical refraction longitudinal wave sound velocities in different stress states; further obtaining stress state functions under different grain sizes; and acquiring the surface wave attenuation coefficient and the critical refraction longitudinal wave sound velocity of the to-be-tested sample by using the pre-constructed ultrasonic excitation probe, and calculating according to the stress state function to obtain the residual stress value of the test area of the to-be-tested sample after microstructure correction. According to the austenitic steel residual stress detection method cap |
| format | Patent |
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According to the austenitic steel residual stress detection method cap</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE PHYSICS TESTING |
| title | Austenitic steel residual stress detection method capable of correcting grain size difference |
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