High Cycle Thermal Fatigue Crack Initiation and Growth Behavior in Simulated BWR Environment
At a tee junction point of piping system, hot water and cold water is mixed with each other in a whirl. The vibrating mixing boundary between the hot and cold water causes a temperature fluctuation on an inside surface of the pipe just after the connection point. The temperature fluctuation yields a...
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| Veröffentlicht in: | TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 2003/09/25, Vol.69(685), pp.1353-1359 |
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| Sprache: | eng ; jpn |
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| container_title | TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A |
| container_volume | 69 |
| creator | HAYASHI, Makoto HIRANO, Akihiko |
| description | At a tee junction point of piping system, hot water and cold water is mixed with each other in a whirl. The vibrating mixing boundary between the hot and cold water causes a temperature fluctuation on an inside surface of the pipe just after the connection point. The temperature fluctuation yields a cyclic thermal stress near the pipe surface and results in the crack initiation. In this study the thermal fatigue tests using disk specimens in simulated BWR environment were performed and the thermal fatigue crack initiation strength was compared with the mechanical fatigue strength. Furthermore the thermal fatigue crack arrest depth was analyzed using the linear fracture mechanics, and the arrest depth was found to be in proportion to the reciprocal root of the frequency of temperature fluctuation, and the experimental results agreed well with the analytical ones. |
| doi_str_mv | 10.1299/kikaia.69.1353 |
| format | Article |
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Furthermore the thermal fatigue crack arrest depth was analyzed using the linear fracture mechanics, and the arrest depth was found to be in proportion to the reciprocal root of the frequency of temperature fluctuation, and the experimental results agreed well with the analytical ones.</description><identifier>ISSN: 0387-5008</identifier><identifier>EISSN: 1884-8338</identifier><identifier>DOI: 10.1299/kikaia.69.1353</identifier><language>eng ; jpn</language><publisher>The Japan Society of Mechanical Engineers</publisher><subject>Corrosive Environment ; Crack Arrest ; Crack Growth ; Pure Water ; Stainless Steel ; Thermal Fatigue</subject><ispartof>Transactions of the Japan Society of Mechanical Engineers Series A, 2003/09/25, Vol.69(685), pp.1353-1359</ispartof><rights>The Japan Society of Mechanical Engineers</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3173-551e388b099790d7f0e3f120f243be451a37519aae57d8d3d6f5f5b3667d38d53</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,4024,27923,27924,27925</link.rule.ids></links><search><creatorcontrib>HAYASHI, Makoto</creatorcontrib><creatorcontrib>HIRANO, Akihiko</creatorcontrib><title>High Cycle Thermal Fatigue Crack Initiation and Growth Behavior in Simulated BWR Environment</title><title>TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A</title><addtitle>JSMET</addtitle><description>At a tee junction point of piping system, hot water and cold water is mixed with each other in a whirl. The vibrating mixing boundary between the hot and cold water causes a temperature fluctuation on an inside surface of the pipe just after the connection point. The temperature fluctuation yields a cyclic thermal stress near the pipe surface and results in the crack initiation. In this study the thermal fatigue tests using disk specimens in simulated BWR environment were performed and the thermal fatigue crack initiation strength was compared with the mechanical fatigue strength. 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The vibrating mixing boundary between the hot and cold water causes a temperature fluctuation on an inside surface of the pipe just after the connection point. The temperature fluctuation yields a cyclic thermal stress near the pipe surface and results in the crack initiation. In this study the thermal fatigue tests using disk specimens in simulated BWR environment were performed and the thermal fatigue crack initiation strength was compared with the mechanical fatigue strength. Furthermore the thermal fatigue crack arrest depth was analyzed using the linear fracture mechanics, and the arrest depth was found to be in proportion to the reciprocal root of the frequency of temperature fluctuation, and the experimental results agreed well with the analytical ones.</abstract><pub>The Japan Society of Mechanical Engineers</pub><doi>10.1299/kikaia.69.1353</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0387-5008 |
| ispartof | Transactions of the Japan Society of Mechanical Engineers Series A, 2003/09/25, Vol.69(685), pp.1353-1359 |
| issn | 0387-5008 1884-8338 |
| language | eng ; jpn |
| recordid | cdi_crossref_primary_10_1299_kikaia_69_1353 |
| source | J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; EZB-FREE-00999 freely available EZB journals |
| subjects | Corrosive Environment Crack Arrest Crack Growth Pure Water Stainless Steel Thermal Fatigue |
| title | High Cycle Thermal Fatigue Crack Initiation and Growth Behavior in Simulated BWR Environment |
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