Method for formulating metal weld joint service defect receiving table
The invention discloses a method for formulating a metal weld joint service defect receiving table. The method is used for acquiring an acceptable size threshold value of a service defect of a welding joint on a safety end or a main pipeline of a pressure container in nondestructive testing. The met...
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| creator | YU WEIWEI NING FANGMAO GAO HONGBO QI SHUANG CHEN MINGYA SHI JINHUA WANG YONGGANG QI LEI FAN MINYU XIANG WENXIN |
| description | The invention discloses a method for formulating a metal weld joint service defect receiving table. The method is used for acquiring an acceptable size threshold value of a service defect of a welding joint on a safety end or a main pipeline of a pressure container in nondestructive testing. The method comprises the following steps: firstly, acquiring material performance parameter data, initial safety margin, load analysis data, an expansion amount a and a material yield strength cyclic hardening rate gamma obtained through operation; then obtaining the end-of-life safety margin of the pressure vessel according to the data, and verifying the end-of-life safety margin through historical defect data; and finally, according to the current defect data, obtaining an acceptable size threshold value of the service defect of the welding joint at the end of the service life of the pressure container. According to the method, a metal weld joint service defect receiving table is formulated based on a local mechanical p |
| format | Patent |
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The method is used for acquiring an acceptable size threshold value of a service defect of a welding joint on a safety end or a main pipeline of a pressure container in nondestructive testing. The method comprises the following steps: firstly, acquiring material performance parameter data, initial safety margin, load analysis data, an expansion amount a and a material yield strength cyclic hardening rate gamma obtained through operation; then obtaining the end-of-life safety margin of the pressure vessel according to the data, and verifying the end-of-life safety margin through historical defect data; and finally, according to the current defect data, obtaining an acceptable size threshold value of the service defect of the welding joint at the end of the service life of the pressure container. 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The method is used for acquiring an acceptable size threshold value of a service defect of a welding joint on a safety end or a main pipeline of a pressure container in nondestructive testing. The method comprises the following steps: firstly, acquiring material performance parameter data, initial safety margin, load analysis data, an expansion amount a and a material yield strength cyclic hardening rate gamma obtained through operation; then obtaining the end-of-life safety margin of the pressure vessel according to the data, and verifying the end-of-life safety margin through historical defect data; and finally, according to the current defect data, obtaining an acceptable size threshold value of the service defect of the welding joint at the end of the service life of the pressure container. 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The method is used for acquiring an acceptable size threshold value of a service defect of a welding joint on a safety end or a main pipeline of a pressure container in nondestructive testing. The method comprises the following steps: firstly, acquiring material performance parameter data, initial safety margin, load analysis data, an expansion amount a and a material yield strength cyclic hardening rate gamma obtained through operation; then obtaining the end-of-life safety margin of the pressure vessel according to the data, and verifying the end-of-life safety margin through historical defect data; and finally, according to the current defect data, obtaining an acceptable size threshold value of the service defect of the welding joint at the end of the service life of the pressure container. According to the method, a metal weld joint service defect receiving table is formulated based on a local mechanical p</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES ELECTRIC DIGITAL DATA PROCESSING PHYSICS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR |
| title | Method for formulating metal weld joint service defect receiving table |
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