The effect of hold-time on fatigue crack growth behaviors of WASPALOY alloy at elevated temperature
The effect of hold-time on fatigue crack growth behaviors of WASPALOY alloy was investigated. It was found that the role of hold-time depends on the competition between the harmful environmental effect and the beneficial effect of creep. If temperature is not higher than 705 °C, fatigue crack growth...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2003-01, Vol.340 (1), p.8-14 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Liu, Xingbo Kang, Bruce Chang, Keh-Minn |
| description | The effect of hold-time on fatigue crack growth behaviors of WASPALOY alloy was investigated. It was found that the role of hold-time depends on the competition between the harmful environmental effect and the beneficial effect of creep. If temperature is not higher than 705
°C, fatigue crack growth rate of WASPALOY alloy increases with hold-time. On the contrary, hold-time plays a beneficial role on steady state fatigue crack growth of WASPALOY alloy at 760
°C and lower stress intensity factor. The beneficial effect of hold-time was attributed to the creep caused stress relaxation during the hold-time. However, accumulated creep damages cause to cavity nucleation and growth at the grain boundaries, and then accelerate fatigue crack growth. Hold-time plays a harmful role during the final stage of fatigue crack growth. |
| doi_str_mv | 10.1016/S0921-5093(02)00074-6 |
| format | Article |
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°C, fatigue crack growth rate of WASPALOY alloy increases with hold-time. On the contrary, hold-time plays a beneficial role on steady state fatigue crack growth of WASPALOY alloy at 760
°C and lower stress intensity factor. The beneficial effect of hold-time was attributed to the creep caused stress relaxation during the hold-time. However, accumulated creep damages cause to cavity nucleation and growth at the grain boundaries, and then accelerate fatigue crack growth. Hold-time plays a harmful role during the final stage of fatigue crack growth.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/S0921-5093(02)00074-6</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Applied sciences ; Exact sciences and technology ; Fatigue crack growth ; Fractures ; Hold-time ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals. Metallurgy ; WASPALOY alloy</subject><ispartof>Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2003-01, Vol.340 (1), p.8-14</ispartof><rights>2003</rights><rights>2003 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c434t-7f33545a29cfba695399890fd731a3f60a1360aa5ce69e9a0af7ec41b576dede3</citedby><cites>FETCH-LOGICAL-c434t-7f33545a29cfba695399890fd731a3f60a1360aa5ce69e9a0af7ec41b576dede3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0921-5093(02)00074-6$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=14387400$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, Xingbo</creatorcontrib><creatorcontrib>Kang, Bruce</creatorcontrib><creatorcontrib>Chang, Keh-Minn</creatorcontrib><title>The effect of hold-time on fatigue crack growth behaviors of WASPALOY alloy at elevated temperature</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>The effect of hold-time on fatigue crack growth behaviors of WASPALOY alloy was investigated. It was found that the role of hold-time depends on the competition between the harmful environmental effect and the beneficial effect of creep. If temperature is not higher than 705
°C, fatigue crack growth rate of WASPALOY alloy increases with hold-time. On the contrary, hold-time plays a beneficial role on steady state fatigue crack growth of WASPALOY alloy at 760
°C and lower stress intensity factor. The beneficial effect of hold-time was attributed to the creep caused stress relaxation during the hold-time. However, accumulated creep damages cause to cavity nucleation and growth at the grain boundaries, and then accelerate fatigue crack growth. Hold-time plays a harmful role during the final stage of fatigue crack growth.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Fatigue crack growth</subject><subject>Fractures</subject><subject>Hold-time</subject><subject>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</subject><subject>Metals. Metallurgy</subject><subject>WASPALOY alloy</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><recordid>eNqFkE1PGzEQhi3USqSUn1DJlyJ6WBivvd74VEWofEiRqAQV6smaeMfEZROnthPEv2dDEBy5zFyed17Nw9g3AScChD69AVOLqgEjj6H-AQCtqvQeG4lxKytlpP7ERm_IPvuS878BEgqaEXO3c-LkPbnCo-fz2HdVCQvicck9lnC_Ju4Sugd-n-JjmfMZzXETYspb_G5y83syvf7Lse_jE8fCqacNFup4ocWKEpZ1oq_ss8c-0-HrPmB_zn_dnl1W0-uLq7PJtHJKqlK1XspGNVgb52eoTSONGRvwXSsFSq8BhRwGNo60IYOAviWnxKxpdUcdyQN2tLu7SvH_mnKxi5Ad9T0uKa6zrccgda3FADY70KWYcyJvVyksMD1ZAXar1L4otVtfFmr7otTqIff9tQCzw94nXLqQ38NKjlsFMHA_dxwN324CJZtdoKWjLqRBtO1i-KDpGfNBiuc</recordid><startdate>20030115</startdate><enddate>20030115</enddate><creator>Liu, Xingbo</creator><creator>Kang, Bruce</creator><creator>Chang, Keh-Minn</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8D</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20030115</creationdate><title>The effect of hold-time on fatigue crack growth behaviors of WASPALOY alloy at elevated temperature</title><author>Liu, Xingbo ; Kang, Bruce ; Chang, Keh-Minn</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c434t-7f33545a29cfba695399890fd731a3f60a1360aa5ce69e9a0af7ec41b576dede3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Applied sciences</topic><topic>Exact sciences and technology</topic><topic>Fatigue crack growth</topic><topic>Fractures</topic><topic>Hold-time</topic><topic>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</topic><topic>Metals. Metallurgy</topic><topic>WASPALOY alloy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Xingbo</creatorcontrib><creatorcontrib>Kang, Bruce</creatorcontrib><creatorcontrib>Chang, Keh-Minn</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Xingbo</au><au>Kang, Bruce</au><au>Chang, Keh-Minn</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The effect of hold-time on fatigue crack growth behaviors of WASPALOY alloy at elevated temperature</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2003-01-15</date><risdate>2003</risdate><volume>340</volume><issue>1</issue><spage>8</spage><epage>14</epage><pages>8-14</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>The effect of hold-time on fatigue crack growth behaviors of WASPALOY alloy was investigated. It was found that the role of hold-time depends on the competition between the harmful environmental effect and the beneficial effect of creep. If temperature is not higher than 705
°C, fatigue crack growth rate of WASPALOY alloy increases with hold-time. On the contrary, hold-time plays a beneficial role on steady state fatigue crack growth of WASPALOY alloy at 760
°C and lower stress intensity factor. The beneficial effect of hold-time was attributed to the creep caused stress relaxation during the hold-time. However, accumulated creep damages cause to cavity nucleation and growth at the grain boundaries, and then accelerate fatigue crack growth. Hold-time plays a harmful role during the final stage of fatigue crack growth.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/S0921-5093(02)00074-6</doi><tpages>7</tpages></addata></record> |
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2003-01, Vol.340 (1), p.8-14 |
| issn | 0921-5093 1873-4936 |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Applied sciences Exact sciences and technology Fatigue crack growth Fractures Hold-time Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy WASPALOY alloy |
| title | The effect of hold-time on fatigue crack growth behaviors of WASPALOY alloy at elevated temperature |
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