Workpiece surface laser shocking process utilizing surface micro textures for removing residual stress holes
The invention relates to a workpiece surface laser shocking process utilizing surface micro textures for removing residual stress holes. Micro texture laser parameters are optimized, the purpose of releasing residual stress is achieved through array micropores formed by the laser micro textures, and...
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| creator | CAO YUPENG CHEN HAOTIAN WANG HENG CHEN YIPING HUA GUORAN ZHU JUAN JIANG SUZHOU MA JIANJUN ZHU MINRUI |
| description | The invention relates to a workpiece surface laser shocking process utilizing surface micro textures for removing residual stress holes. Micro texture laser parameters are optimized, the purpose of releasing residual stress is achieved through array micropores formed by the laser micro textures, and meanwhile, the micropores formed by the micro textures play a role in blocking in the rarefaction wave transmitting process, surface converged waves cannot arrive at a light spot center, the residual stress holes cannot be formed, and a PDVF piezoelectric sensor is used for carrying out monitoring on the workpiece surface to ensure that rarefaction waves cannot be converged towards the light spot center. In addition, the laser parameter of laser shocking peening is converted into a laser parameter of deionized water serving as a restraint layer, and therefore the process can be applied to the industry on a large scale. The process is used for carrying out laser shocking peening treatment on the workpiece surface, |
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Micro texture laser parameters are optimized, the purpose of releasing residual stress is achieved through array micropores formed by the laser micro textures, and meanwhile, the micropores formed by the micro textures play a role in blocking in the rarefaction wave transmitting process, surface converged waves cannot arrive at a light spot center, the residual stress holes cannot be formed, and a PDVF piezoelectric sensor is used for carrying out monitoring on the workpiece surface to ensure that rarefaction waves cannot be converged towards the light spot center. In addition, the laser parameter of laser shocking peening is converted into a laser parameter of deionized water serving as a restraint layer, and therefore the process can be applied to the industry on a large scale. 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Micro texture laser parameters are optimized, the purpose of releasing residual stress is achieved through array micropores formed by the laser micro textures, and meanwhile, the micropores formed by the micro textures play a role in blocking in the rarefaction wave transmitting process, surface converged waves cannot arrive at a light spot center, the residual stress holes cannot be formed, and a PDVF piezoelectric sensor is used for carrying out monitoring on the workpiece surface to ensure that rarefaction waves cannot be converged towards the light spot center. In addition, the laser parameter of laser shocking peening is converted into a laser parameter of deionized water serving as a restraint layer, and therefore the process can be applied to the industry on a large scale. 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Micro texture laser parameters are optimized, the purpose of releasing residual stress is achieved through array micropores formed by the laser micro textures, and meanwhile, the micropores formed by the micro textures play a role in blocking in the rarefaction wave transmitting process, surface converged waves cannot arrive at a light spot center, the residual stress holes cannot be formed, and a PDVF piezoelectric sensor is used for carrying out monitoring on the workpiece surface to ensure that rarefaction waves cannot be converged towards the light spot center. In addition, the laser parameter of laser shocking peening is converted into a laser parameter of deionized water serving as a restraint layer, and therefore the process can be applied to the industry on a large scale. The process is used for carrying out laser shocking peening treatment on the workpiece surface,</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Workpiece surface laser shocking process utilizing surface micro textures for removing residual stress holes |
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