SOUNDNESS VERIFYING METHOD OF WELDED STRUCTURE
PROBLEM TO BE SOLVED: To provide a method for verifying the soundness of a welded structure while a propagation of a fatigue crack generated in an auxiliary member of the welded structure is predicted. SOLUTION: The method enables the prediction of the propagation of the fatigue crack generated in t...
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| creator | KUSUMOTO HIROMI ASANO TAKASHI MORI MASASHI |
| description | PROBLEM TO BE SOLVED: To provide a method for verifying the soundness of a welded structure while a propagation of a fatigue crack generated in an auxiliary member of the welded structure is predicted. SOLUTION: The method enables the prediction of the propagation of the fatigue crack generated in the auxiliary member of the welded structure comprising a main member and the auxiliary member welded so as to intersect with the main member, and verifies the soundness of the welded structure. The method has: a first process for obtaining stress intensity factors in an opening mode and an in-plane shear mode of a crack end by using an analysis model in which the welded structure is provided the crack; a second process for obtaining a progress speed of the crack based on the stress intensity factors in the opening mode and the in-plane shear mode; and a third process for determining whether the crack speed is a predetermined speed or less. COPYRIGHT: (C)2009,JPO&INPIT |
| format | Patent |
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SOLUTION: The method enables the prediction of the propagation of the fatigue crack generated in the auxiliary member of the welded structure comprising a main member and the auxiliary member welded so as to intersect with the main member, and verifies the soundness of the welded structure. The method has: a first process for obtaining stress intensity factors in an opening mode and an in-plane shear mode of a crack end by using an analysis model in which the welded structure is provided the crack; a second process for obtaining a progress speed of the crack based on the stress intensity factors in the opening mode and the in-plane shear mode; and a third process for determining whether the crack speed is a predetermined speed or less. COPYRIGHT: (C)2009,JPO&INPIT</description><language>eng</language><subject>CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES ; MACHINE TOOLS ; MEASURING ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; PHYSICS ; SOLDERING OR UNSOLDERING ; TESTING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>2009</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090604&DB=EPODOC&CC=JP&NR=2009121882A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20090604&DB=EPODOC&CC=JP&NR=2009121882A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KUSUMOTO HIROMI</creatorcontrib><creatorcontrib>ASANO TAKASHI</creatorcontrib><creatorcontrib>MORI MASASHI</creatorcontrib><title>SOUNDNESS VERIFYING METHOD OF WELDED STRUCTURE</title><description>PROBLEM TO BE SOLVED: To provide a method for verifying the soundness of a welded structure while a propagation of a fatigue crack generated in an auxiliary member of the welded structure is predicted. SOLUTION: The method enables the prediction of the propagation of the fatigue crack generated in the auxiliary member of the welded structure comprising a main member and the auxiliary member welded so as to intersect with the main member, and verifies the soundness of the welded structure. The method has: a first process for obtaining stress intensity factors in an opening mode and an in-plane shear mode of a crack end by using an analysis model in which the welded structure is provided the crack; a second process for obtaining a progress speed of the crack based on the stress intensity factors in the opening mode and the in-plane shear mode; and a third process for determining whether the crack speed is a predetermined speed or less. COPYRIGHT: (C)2009,JPO&INPIT</description><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</subject><subject>MACHINE TOOLS</subject><subject>MEASURING</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>TESTING</subject><subject>TRANSPORTING</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2009</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNAL9g_1c_FzDQ5WCHMN8nSL9PRzV_B1DfHwd1Hwd1MId_VxcXVRCA4JCnUOCQ1y5WFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgYGloZGhhYWRo7GRCkCAFFDJnw</recordid><startdate>20090604</startdate><enddate>20090604</enddate><creator>KUSUMOTO HIROMI</creator><creator>ASANO TAKASHI</creator><creator>MORI MASASHI</creator><scope>EVB</scope></search><sort><creationdate>20090604</creationdate><title>SOUNDNESS VERIFYING METHOD OF WELDED STRUCTURE</title><author>KUSUMOTO HIROMI ; ASANO TAKASHI ; MORI MASASHI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2009121882A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2009</creationdate><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES</topic><topic>MACHINE TOOLS</topic><topic>MEASURING</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>TESTING</topic><topic>TRANSPORTING</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>KUSUMOTO HIROMI</creatorcontrib><creatorcontrib>ASANO TAKASHI</creatorcontrib><creatorcontrib>MORI MASASHI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KUSUMOTO HIROMI</au><au>ASANO TAKASHI</au><au>MORI MASASHI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>SOUNDNESS VERIFYING METHOD OF WELDED STRUCTURE</title><date>2009-06-04</date><risdate>2009</risdate><abstract>PROBLEM TO BE SOLVED: To provide a method for verifying the soundness of a welded structure while a propagation of a fatigue crack generated in an auxiliary member of the welded structure is predicted. SOLUTION: The method enables the prediction of the propagation of the fatigue crack generated in the auxiliary member of the welded structure comprising a main member and the auxiliary member welded so as to intersect with the main member, and verifies the soundness of the welded structure. The method has: a first process for obtaining stress intensity factors in an opening mode and an in-plane shear mode of a crack end by using an analysis model in which the welded structure is provided the crack; a second process for obtaining a progress speed of the crack based on the stress intensity factors in the opening mode and the in-plane shear mode; and a third process for determining whether the crack speed is a predetermined speed or less. COPYRIGHT: (C)2009,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MACHINE TOOLS MEASURING METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PHYSICS SOLDERING OR UNSOLDERING TESTING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | SOUNDNESS VERIFYING METHOD OF WELDED STRUCTURE |
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