Deformation and failure behaviour of 316 LN austenitic stainless steel weld joint under thermomechanical low cycle fatigue in as-welded and thermally aged conditions
•Prior thermal ageing increased the TMF life of 316 LN SS weld joint.•Dynamic strain ageing and creep are more pronounced in as-welded condition.•The failure location gets shifted to the weld region following thermal ageing.•Interaction among the DSA, creep and microstructural changes contributed to...
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| Veröffentlicht in: | International journal of fatigue 2021-08, Vol.149, p.106269, Article 106269 |
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| container_title | International journal of fatigue |
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| creator | Suresh Kumar, T. Nagesha, A. Mariappan, K. Kumar Dash, Manmath |
| description | •Prior thermal ageing increased the TMF life of 316 LN SS weld joint.•Dynamic strain ageing and creep are more pronounced in as-welded condition.•The failure location gets shifted to the weld region following thermal ageing.•Interaction among the DSA, creep and microstructural changes contributed to failure.
Beneficial influence of prior thermal ageing on the cyclic life was demonstrated on a type 316 LN austenitic stainless steel weld joint under thermomechanical fatigue. Tests performed using different temperature intervals showed that the crack initiation occurs mostly in the heat affected zone in the as-welded joint. However, the failure location gets shifted to the weld region following thermal ageing. Mechanisms governing life variations between the as-welded and aged joints were identified. The localization of plastic deformation in different regions of the joints and its dependence on the microstructure was evaluated and explained on the basis of detailed EBSD investigations. |
| doi_str_mv | 10.1016/j.ijfatigue.2021.106269 |
| format | Article |
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Beneficial influence of prior thermal ageing on the cyclic life was demonstrated on a type 316 LN austenitic stainless steel weld joint under thermomechanical fatigue. Tests performed using different temperature intervals showed that the crack initiation occurs mostly in the heat affected zone in the as-welded joint. However, the failure location gets shifted to the weld region following thermal ageing. Mechanisms governing life variations between the as-welded and aged joints were identified. The localization of plastic deformation in different regions of the joints and its dependence on the microstructure was evaluated and explained on the basis of detailed EBSD investigations.</description><identifier>ISSN: 0142-1123</identifier><identifier>EISSN: 1879-3452</identifier><identifier>DOI: 10.1016/j.ijfatigue.2021.106269</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Austenitic stainless steels ; Crack initiation ; Dynamic strain ageing ; Fatigue tests ; Heat affected zone ; Low cycle fatigue ; Materials fatigue ; Metal fatigue ; Plastic deformation ; Stainless steel ; Thermal ageing ; Thermomechanical fatigue ; Weld joint ; Welded joints ; δ-ferrite transformation</subject><ispartof>International journal of fatigue, 2021-08, Vol.149, p.106269, Article 106269</ispartof><rights>2021 Elsevier Ltd</rights><rights>Copyright Elsevier BV Aug 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c343t-b66b861ab5172231e17ac8d59f10b533fc1b8c8f9ddedac6aa4d48a0bf1bc283</citedby><cites>FETCH-LOGICAL-c343t-b66b861ab5172231e17ac8d59f10b533fc1b8c8f9ddedac6aa4d48a0bf1bc283</cites><orcidid>0000-0002-2025-8100</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ijfatigue.2021.106269$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Suresh Kumar, T.</creatorcontrib><creatorcontrib>Nagesha, A.</creatorcontrib><creatorcontrib>Mariappan, K.</creatorcontrib><creatorcontrib>Kumar Dash, Manmath</creatorcontrib><title>Deformation and failure behaviour of 316 LN austenitic stainless steel weld joint under thermomechanical low cycle fatigue in as-welded and thermally aged conditions</title><title>International journal of fatigue</title><description>•Prior thermal ageing increased the TMF life of 316 LN SS weld joint.•Dynamic strain ageing and creep are more pronounced in as-welded condition.•The failure location gets shifted to the weld region following thermal ageing.•Interaction among the DSA, creep and microstructural changes contributed to failure.
Beneficial influence of prior thermal ageing on the cyclic life was demonstrated on a type 316 LN austenitic stainless steel weld joint under thermomechanical fatigue. Tests performed using different temperature intervals showed that the crack initiation occurs mostly in the heat affected zone in the as-welded joint. However, the failure location gets shifted to the weld region following thermal ageing. Mechanisms governing life variations between the as-welded and aged joints were identified. The localization of plastic deformation in different regions of the joints and its dependence on the microstructure was evaluated and explained on the basis of detailed EBSD investigations.</description><subject>Austenitic stainless steels</subject><subject>Crack initiation</subject><subject>Dynamic strain ageing</subject><subject>Fatigue tests</subject><subject>Heat affected zone</subject><subject>Low cycle fatigue</subject><subject>Materials fatigue</subject><subject>Metal fatigue</subject><subject>Plastic deformation</subject><subject>Stainless steel</subject><subject>Thermal ageing</subject><subject>Thermomechanical fatigue</subject><subject>Weld joint</subject><subject>Welded joints</subject><subject>δ-ferrite transformation</subject><issn>0142-1123</issn><issn>1879-3452</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNqFkcFu2zAMhoVhA5Z1fYYK2NmpKNmyfSy6rR0QbJfeBVmiGhmK1El2izzQ3nNKU-y6EwmCH3-SPyFXwLbAQF7PWz87vfjHFbeccahVyeX4jmxg6MdGtB1_TzYMWt4AcPGRfCplZoyNrO825M9XdCkfKp8i1dFSp31YM9IJ9_rZpzXT5KgASXc_qV7LgtEv3tCyaB8DllIzxEBfMFg6Jx8XukaLmS57zId0QLPX0RsdaEgv1BxNQPq2LfVVsTQnEu2r9iujQzhS_VhLJkXrT4uVz-SD06Hg5Vu8IA_fvz3c3je7X3c_bm92jRGtWJpJymmQoKcOes4FIPTaDLYbHbCpE8IZmAYzuNFWRW2k1q1tB80mB5Phg7ggX85jn3L6vWJZ1FwfEKui4l079lzC2Neu_txlciolo1NP2R90Pipg6mSJmtU_S9TJEnW2pJI3ZxLrDc8esyrGYzRofUazKJv8f2f8BVg8nU0</recordid><startdate>202108</startdate><enddate>202108</enddate><creator>Suresh Kumar, T.</creator><creator>Nagesha, A.</creator><creator>Mariappan, K.</creator><creator>Kumar Dash, Manmath</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-2025-8100</orcidid></search><sort><creationdate>202108</creationdate><title>Deformation and failure behaviour of 316 LN austenitic stainless steel weld joint under thermomechanical low cycle fatigue in as-welded and thermally aged conditions</title><author>Suresh Kumar, T. ; Nagesha, A. ; Mariappan, K. ; Kumar Dash, Manmath</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-b66b861ab5172231e17ac8d59f10b533fc1b8c8f9ddedac6aa4d48a0bf1bc283</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Austenitic stainless steels</topic><topic>Crack initiation</topic><topic>Dynamic strain ageing</topic><topic>Fatigue tests</topic><topic>Heat affected zone</topic><topic>Low cycle fatigue</topic><topic>Materials fatigue</topic><topic>Metal fatigue</topic><topic>Plastic deformation</topic><topic>Stainless steel</topic><topic>Thermal ageing</topic><topic>Thermomechanical fatigue</topic><topic>Weld joint</topic><topic>Welded joints</topic><topic>δ-ferrite transformation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Suresh Kumar, T.</creatorcontrib><creatorcontrib>Nagesha, A.</creatorcontrib><creatorcontrib>Mariappan, K.</creatorcontrib><creatorcontrib>Kumar Dash, Manmath</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>International journal of fatigue</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Suresh Kumar, T.</au><au>Nagesha, A.</au><au>Mariappan, K.</au><au>Kumar Dash, Manmath</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Deformation and failure behaviour of 316 LN austenitic stainless steel weld joint under thermomechanical low cycle fatigue in as-welded and thermally aged conditions</atitle><jtitle>International journal of fatigue</jtitle><date>2021-08</date><risdate>2021</risdate><volume>149</volume><spage>106269</spage><pages>106269-</pages><artnum>106269</artnum><issn>0142-1123</issn><eissn>1879-3452</eissn><abstract>•Prior thermal ageing increased the TMF life of 316 LN SS weld joint.•Dynamic strain ageing and creep are more pronounced in as-welded condition.•The failure location gets shifted to the weld region following thermal ageing.•Interaction among the DSA, creep and microstructural changes contributed to failure.
Beneficial influence of prior thermal ageing on the cyclic life was demonstrated on a type 316 LN austenitic stainless steel weld joint under thermomechanical fatigue. Tests performed using different temperature intervals showed that the crack initiation occurs mostly in the heat affected zone in the as-welded joint. However, the failure location gets shifted to the weld region following thermal ageing. Mechanisms governing life variations between the as-welded and aged joints were identified. The localization of plastic deformation in different regions of the joints and its dependence on the microstructure was evaluated and explained on the basis of detailed EBSD investigations.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ijfatigue.2021.106269</doi><orcidid>https://orcid.org/0000-0002-2025-8100</orcidid></addata></record> |
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| ispartof | International journal of fatigue, 2021-08, Vol.149, p.106269, Article 106269 |
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| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Austenitic stainless steels Crack initiation Dynamic strain ageing Fatigue tests Heat affected zone Low cycle fatigue Materials fatigue Metal fatigue Plastic deformation Stainless steel Thermal ageing Thermomechanical fatigue Weld joint Welded joints δ-ferrite transformation |
| title | Deformation and failure behaviour of 316 LN austenitic stainless steel weld joint under thermomechanical low cycle fatigue in as-welded and thermally aged conditions |
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