Microstructure and deformation mode of a stainless steel rupture disc exposed to sodium–water reaction
This paper deals with microstructural studies carried out on an austenitic stainless steel rupture disc which was exposed to sodium–water reaction. The rupture disc was part of a leak simulator put in a micro leak test section which was used to study the ‘self wastage’ of steam generator tubes. Duri...
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| Veröffentlicht in: | Materials characterization 2008-08, Vol.59 (8), p.1088-1095 |
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| container_title | Materials characterization |
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| creator | Sudha, C. Parameswaran, P. Kishore, S. Murthy, C. Meikanda Rajan, M. Vijayalakshmi, M. Raghunathan, V.S. |
| description | This paper deals with microstructural studies carried out on an austenitic stainless steel rupture disc which was exposed to sodium–water reaction. The rupture disc was part of a leak simulator put in a micro leak test section which was used to study the ‘self wastage’ of steam generator tubes. During micro leak testing, the rupture disc failed exhibiting a linear crack at a much lower pressure of 10 MPa rather than bursting open at the higher designed pressure of 15 MPa. The failed rupture disc revealed different microstructural features on the inner (steam exposed) and outer (sodium exposed) surfaces. Using microstructure as the signature, the temperature experienced by the rupture disc was predicted as ≥
1273 K. Evidence for the exposure of the rupture disc to highly exothermic sodium–water reaction was obtained in the form of sodium rich debris, microcracks and deformation bands. Detailed transmission electron microscopy revealed the nature of deformation bands as deformation twins which is not a preferred failure mode for austenitic stainless steels. |
| doi_str_mv | 10.1016/j.matchar.2007.08.030 |
| format | Article |
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1273 K. Evidence for the exposure of the rupture disc to highly exothermic sodium–water reaction was obtained in the form of sodium rich debris, microcracks and deformation bands. Detailed transmission electron microscopy revealed the nature of deformation bands as deformation twins which is not a preferred failure mode for austenitic stainless steels.</description><identifier>ISSN: 1044-5803</identifier><identifier>EISSN: 1873-4189</identifier><identifier>DOI: 10.1016/j.matchar.2007.08.030</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Applied sciences ; Austenitic stainless steel ; AUSTENITIC STEELS ; CRACKS ; Cross-disciplinary physics: materials science; rheology ; DEFORMATION ; Exact sciences and technology ; Fractures ; LEAK TESTING ; MATERIALS SCIENCE ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals. Metallurgy ; MICROSTRUCTURE ; MOLTEN METAL-WATER REACTIONS ; Phase diagrams and microstructures developed by solidification and solid-solid phase transformations ; Physics ; PRESSURE RANGE MEGA PA 10-100 ; Rupture disc ; RUPTURES ; SIMULATORS ; SODIUM ; Sodium–water reaction ; Solidification ; STAINLESS STEELS ; STEAM GENERATORS ; SURFACES ; TRANSMISSION ELECTRON MICROSCOPY ; TWINNING</subject><ispartof>Materials characterization, 2008-08, Vol.59 (8), p.1088-1095</ispartof><rights>2007 Elsevier Inc.</rights><rights>2009 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c367t-64a656adc07aee6a0b0a943ac691dedd01549947464a1caf87d7b13d750dbd1a3</citedby><cites>FETCH-LOGICAL-c367t-64a656adc07aee6a0b0a943ac691dedd01549947464a1caf87d7b13d750dbd1a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.matchar.2007.08.030$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,777,781,882,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20430674$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/21140760$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Sudha, C.</creatorcontrib><creatorcontrib>Parameswaran, P.</creatorcontrib><creatorcontrib>Kishore, S.</creatorcontrib><creatorcontrib>Murthy, C. Meikanda</creatorcontrib><creatorcontrib>Rajan, M.</creatorcontrib><creatorcontrib>Vijayalakshmi, M.</creatorcontrib><creatorcontrib>Raghunathan, V.S.</creatorcontrib><title>Microstructure and deformation mode of a stainless steel rupture disc exposed to sodium–water reaction</title><title>Materials characterization</title><description>This paper deals with microstructural studies carried out on an austenitic stainless steel rupture disc which was exposed to sodium–water reaction. The rupture disc was part of a leak simulator put in a micro leak test section which was used to study the ‘self wastage’ of steam generator tubes. During micro leak testing, the rupture disc failed exhibiting a linear crack at a much lower pressure of 10 MPa rather than bursting open at the higher designed pressure of 15 MPa. The failed rupture disc revealed different microstructural features on the inner (steam exposed) and outer (sodium exposed) surfaces. Using microstructure as the signature, the temperature experienced by the rupture disc was predicted as ≥
1273 K. Evidence for the exposure of the rupture disc to highly exothermic sodium–water reaction was obtained in the form of sodium rich debris, microcracks and deformation bands. Detailed transmission electron microscopy revealed the nature of deformation bands as deformation twins which is not a preferred failure mode for austenitic stainless steels.</description><subject>Applied sciences</subject><subject>Austenitic stainless steel</subject><subject>AUSTENITIC STEELS</subject><subject>CRACKS</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>DEFORMATION</subject><subject>Exact sciences and technology</subject><subject>Fractures</subject><subject>LEAK TESTING</subject><subject>MATERIALS SCIENCE</subject><subject>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</subject><subject>Metals. Metallurgy</subject><subject>MICROSTRUCTURE</subject><subject>MOLTEN METAL-WATER REACTIONS</subject><subject>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</subject><subject>Physics</subject><subject>PRESSURE RANGE MEGA PA 10-100</subject><subject>Rupture disc</subject><subject>RUPTURES</subject><subject>SIMULATORS</subject><subject>SODIUM</subject><subject>Sodium–water reaction</subject><subject>Solidification</subject><subject>STAINLESS STEELS</subject><subject>STEAM GENERATORS</subject><subject>SURFACES</subject><subject>TRANSMISSION ELECTRON MICROSCOPY</subject><subject>TWINNING</subject><issn>1044-5803</issn><issn>1873-4189</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKBDEQRRtR8PkJQkBcdluZTifdKxHxBYobXYeapJrJMNMZkoyPnf_gH_olph1x66pqce6turcojjlUHLg8m1dLTGaGoZoAqAraCmrYKvZ4q-pS8LbbzjsIUTYt1LvFfoxzAJAtV3vF7MGZ4GMKa5PWgRgOllnqfciWzg9s6S0x3zNkMaEbFhRj3ogWLKxXPwrromH0tvKRLEueRW_devn18fmKiQILhGZ0Oix2elxEOvqdB8Xz9dXT5W15_3hzd3lxX5paqlRKgbKRaA0oJJIIU8BO1Ghkxy1ZC7wRXSeUyCA32LfKqimvrWrATi3H-qA42fjmUE5H4xKZmfHDQCbpCecClIRMNRtqDB8D9XoV3BLDu-agx1L1XP-WqsdSNbQ6l5p1pxvdCqPBRR9wMC7-iScgapBKZO58w1GO-uIojJ_QYMi6MD5ivfvn0jcW2pL8</recordid><startdate>20080801</startdate><enddate>20080801</enddate><creator>Sudha, C.</creator><creator>Parameswaran, P.</creator><creator>Kishore, S.</creator><creator>Murthy, C. Meikanda</creator><creator>Rajan, M.</creator><creator>Vijayalakshmi, M.</creator><creator>Raghunathan, V.S.</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>20080801</creationdate><title>Microstructure and deformation mode of a stainless steel rupture disc exposed to sodium–water reaction</title><author>Sudha, C. ; Parameswaran, P. ; Kishore, S. ; Murthy, C. Meikanda ; Rajan, M. ; Vijayalakshmi, M. ; Raghunathan, V.S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-64a656adc07aee6a0b0a943ac691dedd01549947464a1caf87d7b13d750dbd1a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Applied sciences</topic><topic>Austenitic stainless steel</topic><topic>AUSTENITIC STEELS</topic><topic>CRACKS</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>DEFORMATION</topic><topic>Exact sciences and technology</topic><topic>Fractures</topic><topic>LEAK TESTING</topic><topic>MATERIALS SCIENCE</topic><topic>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</topic><topic>Metals. Metallurgy</topic><topic>MICROSTRUCTURE</topic><topic>MOLTEN METAL-WATER REACTIONS</topic><topic>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</topic><topic>Physics</topic><topic>PRESSURE RANGE MEGA PA 10-100</topic><topic>Rupture disc</topic><topic>RUPTURES</topic><topic>SIMULATORS</topic><topic>SODIUM</topic><topic>Sodium–water reaction</topic><topic>Solidification</topic><topic>STAINLESS STEELS</topic><topic>STEAM GENERATORS</topic><topic>SURFACES</topic><topic>TRANSMISSION ELECTRON MICROSCOPY</topic><topic>TWINNING</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sudha, C.</creatorcontrib><creatorcontrib>Parameswaran, P.</creatorcontrib><creatorcontrib>Kishore, S.</creatorcontrib><creatorcontrib>Murthy, C. 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The failed rupture disc revealed different microstructural features on the inner (steam exposed) and outer (sodium exposed) surfaces. Using microstructure as the signature, the temperature experienced by the rupture disc was predicted as ≥
1273 K. Evidence for the exposure of the rupture disc to highly exothermic sodium–water reaction was obtained in the form of sodium rich debris, microcracks and deformation bands. Detailed transmission electron microscopy revealed the nature of deformation bands as deformation twins which is not a preferred failure mode for austenitic stainless steels.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><doi>10.1016/j.matchar.2007.08.030</doi><tpages>8</tpages></addata></record> |
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| subjects | Applied sciences Austenitic stainless steel AUSTENITIC STEELS CRACKS Cross-disciplinary physics: materials science rheology DEFORMATION Exact sciences and technology Fractures LEAK TESTING MATERIALS SCIENCE Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy MICROSTRUCTURE MOLTEN METAL-WATER REACTIONS Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics PRESSURE RANGE MEGA PA 10-100 Rupture disc RUPTURES SIMULATORS SODIUM Sodium–water reaction Solidification STAINLESS STEELS STEAM GENERATORS SURFACES TRANSMISSION ELECTRON MICROSCOPY TWINNING |
| title | Microstructure and deformation mode of a stainless steel rupture disc exposed to sodium–water reaction |
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