Thermo-Mechanical Fatigue Life Evaluation for Ni-23Cr-7W Alloy by Strain Range Partitioning Method
This study focuses on a thermo-mechanical fatigue (TMF) life evaluation method for Ni-23Cr-7W alloy for boiler pipes and tubes. The inelastic strain range applied in the TMF test was partitioned into the creep strain and the plastic strain components by using the steady-state creep rate obtained fro...
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| Veröffentlicht in: | Journal of the Society of Materials Science, Japan Japan, 2019/02/15, Vol.68(2), pp.83-90 |
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| container_title | Journal of the Society of Materials Science, Japan |
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| creator | NOGUCHI, Yasutaka OKADA, Hirokazu MIYAHARA, Mitsuo MINAMI, Fumiyoshi |
| description | This study focuses on a thermo-mechanical fatigue (TMF) life evaluation method for Ni-23Cr-7W alloy for boiler pipes and tubes. The inelastic strain range applied in the TMF test was partitioned into the creep strain and the plastic strain components by using the steady-state creep rate obtained from the creep tests and the cyclic stress-strain curve obtained from the fatigue tests. The TMF life was then predicted by the strain range partitioning method (SRP). The predicted lives based on the SRP method with the creep strain obtained by using the cyclic stress-strain curve at maximum temperature of the TMF loading showed good agreement with the actual lives within a factor of 2 scatter bands. This life prediction method could be applied to other heat of the Ni-23Cr-7W alloy and other thermal cycle of TMF loading. All material data required for the life prediction can be obtained by the isothermal fatigue tests. Therefore, the TMF life of the Ni-23Cr-7W alloy can be predicted from the results of the isothermal fatigue test by using this method. |
| doi_str_mv | 10.2472/jsms.68.83 |
| format | Article |
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The inelastic strain range applied in the TMF test was partitioned into the creep strain and the plastic strain components by using the steady-state creep rate obtained from the creep tests and the cyclic stress-strain curve obtained from the fatigue tests. The TMF life was then predicted by the strain range partitioning method (SRP). The predicted lives based on the SRP method with the creep strain obtained by using the cyclic stress-strain curve at maximum temperature of the TMF loading showed good agreement with the actual lives within a factor of 2 scatter bands. This life prediction method could be applied to other heat of the Ni-23Cr-7W alloy and other thermal cycle of TMF loading. All material data required for the life prediction can be obtained by the isothermal fatigue tests. Therefore, the TMF life of the Ni-23Cr-7W alloy can be predicted from the results of the isothermal fatigue test by using this method.</description><identifier>ISSN: 0514-5163</identifier><identifier>EISSN: 1880-7488</identifier><identifier>DOI: 10.2472/jsms.68.83</identifier><language>eng ; jpn</language><publisher>Kyoto: The Society of Materials Science, Japan</publisher><subject>Boiler tubes ; Creep rate ; Creep tests ; Fatigue life ; Fatigue tests ; Life prediction ; Ni-23Cr-7W alloy, Thermo-mechanical fatigue, Life prediction, Strain range partitioning, Cyclic stress-strain curve, Isothermal fatigue ; Nickel base alloys ; Partitioning ; Plastic deformation ; Steady state creep ; Stress-strain curves ; Stress-strain relationships</subject><ispartof>Journal of the Society of Materials Science, Japan, 2019/02/15, Vol.68(2), pp.83-90</ispartof><rights>2019 by The Society of Materials Science, Japan</rights><rights>Copyright Japan Science and Technology Agency 2019</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c1533-1c3a832c418fd60deaf23318918ffb8abf0705f1e7e1cc48ebc0ef3c3a9913473</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1881,27923,27924</link.rule.ids></links><search><creatorcontrib>NOGUCHI, Yasutaka</creatorcontrib><creatorcontrib>OKADA, Hirokazu</creatorcontrib><creatorcontrib>MIYAHARA, Mitsuo</creatorcontrib><creatorcontrib>MINAMI, Fumiyoshi</creatorcontrib><title>Thermo-Mechanical Fatigue Life Evaluation for Ni-23Cr-7W Alloy by Strain Range Partitioning Method</title><title>Journal of the Society of Materials Science, Japan</title><addtitle>J. Soc. Mat. Sci., Japan</addtitle><description>This study focuses on a thermo-mechanical fatigue (TMF) life evaluation method for Ni-23Cr-7W alloy for boiler pipes and tubes. The inelastic strain range applied in the TMF test was partitioned into the creep strain and the plastic strain components by using the steady-state creep rate obtained from the creep tests and the cyclic stress-strain curve obtained from the fatigue tests. The TMF life was then predicted by the strain range partitioning method (SRP). The predicted lives based on the SRP method with the creep strain obtained by using the cyclic stress-strain curve at maximum temperature of the TMF loading showed good agreement with the actual lives within a factor of 2 scatter bands. This life prediction method could be applied to other heat of the Ni-23Cr-7W alloy and other thermal cycle of TMF loading. All material data required for the life prediction can be obtained by the isothermal fatigue tests. Therefore, the TMF life of the Ni-23Cr-7W alloy can be predicted from the results of the isothermal fatigue test by using this method.</description><subject>Boiler tubes</subject><subject>Creep rate</subject><subject>Creep tests</subject><subject>Fatigue life</subject><subject>Fatigue tests</subject><subject>Life prediction</subject><subject>Ni-23Cr-7W alloy, Thermo-mechanical fatigue, Life prediction, Strain range partitioning, Cyclic stress-strain curve, Isothermal fatigue</subject><subject>Nickel base alloys</subject><subject>Partitioning</subject><subject>Plastic deformation</subject><subject>Steady state creep</subject><subject>Stress-strain curves</subject><subject>Stress-strain relationships</subject><issn>0514-5163</issn><issn>1880-7488</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNo90F1LwzAUBuAgCo65G39BwDshMx_9SC-8GGNTYVPRiZchzU66jK6dSSvs39tS2VXIy3MSzovQLaNTHqX8YR8OYZrIqRQXaMSkpCSNpLxEIxqziMQsEddoEoLLKeWcCxllI5RvduAPNVmD2enKGV3ipW5c0QJeOQt48avLtgvqCtva41dHuJh7kn7jWVnWJ5yf8Gfjtavwh64KwO_aN67nrirwGppdvb1BV1aXASb_5xh9LReb-TNZvT29zGcrYlgsBGFGaCm4iZi024RuQVsuBJNZd7e51LmlKY0tgxSYMZGE3FCwopvKMiaiVIzR3fDu0dc_LYRG7evWV92XivMkTRLGOO3U_aCMr0PwYNXRu4P2J8Wo6mtUfY0qkUqKDj8OeB8aXcCZ9kuaEs6UD_6cd116BZX4A0rPe9k</recordid><startdate>20190215</startdate><enddate>20190215</enddate><creator>NOGUCHI, Yasutaka</creator><creator>OKADA, Hirokazu</creator><creator>MIYAHARA, Mitsuo</creator><creator>MINAMI, Fumiyoshi</creator><general>The Society of Materials Science, Japan</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20190215</creationdate><title>Thermo-Mechanical Fatigue Life Evaluation for Ni-23Cr-7W Alloy by Strain Range Partitioning Method</title><author>NOGUCHI, Yasutaka ; OKADA, Hirokazu ; MIYAHARA, Mitsuo ; MINAMI, Fumiyoshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1533-1c3a832c418fd60deaf23318918ffb8abf0705f1e7e1cc48ebc0ef3c3a9913473</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2019</creationdate><topic>Boiler tubes</topic><topic>Creep rate</topic><topic>Creep tests</topic><topic>Fatigue life</topic><topic>Fatigue tests</topic><topic>Life prediction</topic><topic>Ni-23Cr-7W alloy, Thermo-mechanical fatigue, Life prediction, Strain range partitioning, Cyclic stress-strain curve, Isothermal fatigue</topic><topic>Nickel base alloys</topic><topic>Partitioning</topic><topic>Plastic deformation</topic><topic>Steady state creep</topic><topic>Stress-strain curves</topic><topic>Stress-strain relationships</topic><toplevel>online_resources</toplevel><creatorcontrib>NOGUCHI, Yasutaka</creatorcontrib><creatorcontrib>OKADA, Hirokazu</creatorcontrib><creatorcontrib>MIYAHARA, Mitsuo</creatorcontrib><creatorcontrib>MINAMI, Fumiyoshi</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the Society of Materials Science, Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>NOGUCHI, Yasutaka</au><au>OKADA, Hirokazu</au><au>MIYAHARA, Mitsuo</au><au>MINAMI, Fumiyoshi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermo-Mechanical Fatigue Life Evaluation for Ni-23Cr-7W Alloy by Strain Range Partitioning Method</atitle><jtitle>Journal of the Society of Materials Science, Japan</jtitle><addtitle>J. Soc. Mat. Sci., Japan</addtitle><date>2019-02-15</date><risdate>2019</risdate><volume>68</volume><issue>2</issue><spage>83</spage><epage>90</epage><pages>83-90</pages><issn>0514-5163</issn><eissn>1880-7488</eissn><abstract>This study focuses on a thermo-mechanical fatigue (TMF) life evaluation method for Ni-23Cr-7W alloy for boiler pipes and tubes. The inelastic strain range applied in the TMF test was partitioned into the creep strain and the plastic strain components by using the steady-state creep rate obtained from the creep tests and the cyclic stress-strain curve obtained from the fatigue tests. The TMF life was then predicted by the strain range partitioning method (SRP). The predicted lives based on the SRP method with the creep strain obtained by using the cyclic stress-strain curve at maximum temperature of the TMF loading showed good agreement with the actual lives within a factor of 2 scatter bands. This life prediction method could be applied to other heat of the Ni-23Cr-7W alloy and other thermal cycle of TMF loading. All material data required for the life prediction can be obtained by the isothermal fatigue tests. Therefore, the TMF life of the Ni-23Cr-7W alloy can be predicted from the results of the isothermal fatigue test by using this method.</abstract><cop>Kyoto</cop><pub>The Society of Materials Science, Japan</pub><doi>10.2472/jsms.68.83</doi><tpages>8</tpages><oa>free_for_read</oa></addata></record> |
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| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals |
| subjects | Boiler tubes Creep rate Creep tests Fatigue life Fatigue tests Life prediction Ni-23Cr-7W alloy, Thermo-mechanical fatigue, Life prediction, Strain range partitioning, Cyclic stress-strain curve, Isothermal fatigue Nickel base alloys Partitioning Plastic deformation Steady state creep Stress-strain curves Stress-strain relationships |
| title | Thermo-Mechanical Fatigue Life Evaluation for Ni-23Cr-7W Alloy by Strain Range Partitioning Method |
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