Effect of ageing on precipitation and impact energy of 2101 economical duplex stainless steel
The impact energy and microstructure of a thermally aged 2101 duplex stainless steel with composition of Fe–21.4Cr–1.2Ni–5.7Mn–0.23 N–0.31Mo were studied. The results showed that the room temperature impact energy of specimens decreased gradually with ageing temperature up to 700 °C and then increas...
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| Veröffentlicht in: | Materials characterization 2009-01, Vol.60 (1), p.50-55 |
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| creator | Wei, Zhang Laizhu, Jiang Jincheng, Hu Hongmei, Song |
| description | The impact energy and microstructure of a thermally aged 2101 duplex stainless steel with composition of Fe–21.4Cr–1.2Ni–5.7Mn–0.23 N–0.31Mo were studied. The results showed that the room temperature impact energy of specimens decreased gradually with ageing temperature up to 700 °C and then increased with aging over 700 °C. The minimum value of impact energy was 37 J after 700 °C aging, which was only 34% of that for as-annealed specimens. For specimens aged at 700 °C, the room temperature impact energy decreased significantly after 3 min and was halved after 10 min. Fractographs showed that, with increasing aging time, the fracture morphology changed from fibrous fracture to transgranular and intragranular fracture. Scanning electron micrographs revealed that many precipitates were distributed along α/γ and α/α interfaces. The precipitates were extracted and confirmed by X-ray diffraction to be Cr
2N. Therefore, it can be concluded that precipitation of Cr
2N is the main reason for the decrease of impact energy in aged 2101 duplex stainless steel. |
| doi_str_mv | 10.1016/j.matchar.2008.07.002 |
| format | Article |
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2N. Therefore, it can be concluded that precipitation of Cr
2N is the main reason for the decrease of impact energy in aged 2101 duplex stainless steel.</description><identifier>ISSN: 1044-5803</identifier><identifier>EISSN: 1873-4189</identifier><identifier>DOI: 10.1016/j.matchar.2008.07.002</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Ageing ; ANNEALING ; CHROMIUM NITRIDES ; Cr 2N ; Cross-disciplinary physics: materials science; rheology ; Duplex stainless steel ; ELECTRON SCANNING ; Exact sciences and technology ; FRACTOGRAPHY ; FRACTURES ; Impact energy ; INTERFACES ; MATERIALS SCIENCE ; MICROSTRUCTURE ; MORPHOLOGY ; Phase diagrams and microstructures developed by solidification and solid-solid phase transformations ; Physics ; PRECIPITATION ; Solidification ; STAINLESS STEELS ; TEMPERATURE RANGE 0273-0400 K ; TEMPERATURE RANGE 0400-1000 K ; X-RAY DIFFRACTION</subject><ispartof>Materials characterization, 2009-01, Vol.60 (1), p.50-55</ispartof><rights>2008 Elsevier Inc.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c367t-c9d5f0c7a4bfcd43c6bfb9fbf57e398970b0946409dccaa23aa90a3608366f7c3</citedby><cites>FETCH-LOGICAL-c367t-c9d5f0c7a4bfcd43c6bfb9fbf57e398970b0946409dccaa23aa90a3608366f7c3</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.2008.07.002$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=21160873$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.osti.gov/biblio/21192589$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Wei, Zhang</creatorcontrib><creatorcontrib>Laizhu, Jiang</creatorcontrib><creatorcontrib>Jincheng, Hu</creatorcontrib><creatorcontrib>Hongmei, Song</creatorcontrib><title>Effect of ageing on precipitation and impact energy of 2101 economical duplex stainless steel</title><title>Materials characterization</title><description>The impact energy and microstructure of a thermally aged 2101 duplex stainless steel with composition of Fe–21.4Cr–1.2Ni–5.7Mn–0.23 N–0.31Mo were studied. The results showed that the room temperature impact energy of specimens decreased gradually with ageing temperature up to 700 °C and then increased with aging over 700 °C. The minimum value of impact energy was 37 J after 700 °C aging, which was only 34% of that for as-annealed specimens. For specimens aged at 700 °C, the room temperature impact energy decreased significantly after 3 min and was halved after 10 min. Fractographs showed that, with increasing aging time, the fracture morphology changed from fibrous fracture to transgranular and intragranular fracture. Scanning electron micrographs revealed that many precipitates were distributed along α/γ and α/α interfaces. The precipitates were extracted and confirmed by X-ray diffraction to be Cr
2N. Therefore, it can be concluded that precipitation of Cr
2N is the main reason for the decrease of impact energy in aged 2101 duplex stainless steel.</description><subject>Ageing</subject><subject>ANNEALING</subject><subject>CHROMIUM NITRIDES</subject><subject>Cr 2N</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Duplex stainless steel</subject><subject>ELECTRON SCANNING</subject><subject>Exact sciences and technology</subject><subject>FRACTOGRAPHY</subject><subject>FRACTURES</subject><subject>Impact energy</subject><subject>INTERFACES</subject><subject>MATERIALS SCIENCE</subject><subject>MICROSTRUCTURE</subject><subject>MORPHOLOGY</subject><subject>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</subject><subject>Physics</subject><subject>PRECIPITATION</subject><subject>Solidification</subject><subject>STAINLESS STEELS</subject><subject>TEMPERATURE RANGE 0273-0400 K</subject><subject>TEMPERATURE RANGE 0400-1000 K</subject><subject>X-RAY DIFFRACTION</subject><issn>1044-5803</issn><issn>1873-4189</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkE9r3DAQxU1JoZs0H6FgKD3aGVm2ZZ1KWfKnsJBLcgxiPB7tavHKRnJL8-0rs0uvPWkEvzfz3suyLwJKAaK9O5YnXOiAoawAuhJUCVB9yDaiU7KoRaev0gx1XTQdyE_ZdYxHAGg7oTbZ2721TEs-2Rz37Pw-n3w-ByY3uwUXl37oh9ydZkwUew779xWu0uWcafLTyRGO-fBrHvlPHhd0fuQY08Q8fs4-Whwj317em-z14f5l-1Tsnh9_bn_sCpKtWgrSQ2OBFNa9paGW1Pa217a3jWKpO62gB123NeiBCLGSiBpQttDJtrWK5E329bx3ioszkdzCdEjmfIpmKiF01XQ6Uc2ZojDFGNiaObgThncjwKxNmqO5NGnWJg0ok5pMum9n3YwxZbUBPbn4T5z2JydKJu77meMU9bfjsDphTzy4sBoZJvefS38BvcyMjQ</recordid><startdate>20090101</startdate><enddate>20090101</enddate><creator>Wei, Zhang</creator><creator>Laizhu, Jiang</creator><creator>Jincheng, Hu</creator><creator>Hongmei, Song</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>20090101</creationdate><title>Effect of ageing on precipitation and impact energy of 2101 economical duplex stainless steel</title><author>Wei, Zhang ; Laizhu, Jiang ; Jincheng, Hu ; Hongmei, Song</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-c9d5f0c7a4bfcd43c6bfb9fbf57e398970b0946409dccaa23aa90a3608366f7c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Ageing</topic><topic>ANNEALING</topic><topic>CHROMIUM NITRIDES</topic><topic>Cr 2N</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Duplex stainless steel</topic><topic>ELECTRON SCANNING</topic><topic>Exact sciences and technology</topic><topic>FRACTOGRAPHY</topic><topic>FRACTURES</topic><topic>Impact energy</topic><topic>INTERFACES</topic><topic>MATERIALS SCIENCE</topic><topic>MICROSTRUCTURE</topic><topic>MORPHOLOGY</topic><topic>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</topic><topic>Physics</topic><topic>PRECIPITATION</topic><topic>Solidification</topic><topic>STAINLESS STEELS</topic><topic>TEMPERATURE RANGE 0273-0400 K</topic><topic>TEMPERATURE RANGE 0400-1000 K</topic><topic>X-RAY DIFFRACTION</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wei, Zhang</creatorcontrib><creatorcontrib>Laizhu, Jiang</creatorcontrib><creatorcontrib>Jincheng, Hu</creatorcontrib><creatorcontrib>Hongmei, Song</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Materials characterization</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wei, Zhang</au><au>Laizhu, Jiang</au><au>Jincheng, Hu</au><au>Hongmei, Song</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of ageing on precipitation and impact energy of 2101 economical duplex stainless steel</atitle><jtitle>Materials characterization</jtitle><date>2009-01-01</date><risdate>2009</risdate><volume>60</volume><issue>1</issue><spage>50</spage><epage>55</epage><pages>50-55</pages><issn>1044-5803</issn><eissn>1873-4189</eissn><abstract>The impact energy and microstructure of a thermally aged 2101 duplex stainless steel with composition of Fe–21.4Cr–1.2Ni–5.7Mn–0.23 N–0.31Mo were studied. The results showed that the room temperature impact energy of specimens decreased gradually with ageing temperature up to 700 °C and then increased with aging over 700 °C. The minimum value of impact energy was 37 J after 700 °C aging, which was only 34% of that for as-annealed specimens. For specimens aged at 700 °C, the room temperature impact energy decreased significantly after 3 min and was halved after 10 min. Fractographs showed that, with increasing aging time, the fracture morphology changed from fibrous fracture to transgranular and intragranular fracture. Scanning electron micrographs revealed that many precipitates were distributed along α/γ and α/α interfaces. The precipitates were extracted and confirmed by X-ray diffraction to be Cr
2N. Therefore, it can be concluded that precipitation of Cr
2N is the main reason for the decrease of impact energy in aged 2101 duplex stainless steel.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><doi>10.1016/j.matchar.2008.07.002</doi><tpages>6</tpages></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Ageing ANNEALING CHROMIUM NITRIDES Cr 2N Cross-disciplinary physics: materials science rheology Duplex stainless steel ELECTRON SCANNING Exact sciences and technology FRACTOGRAPHY FRACTURES Impact energy INTERFACES MATERIALS SCIENCE MICROSTRUCTURE MORPHOLOGY Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics PRECIPITATION Solidification STAINLESS STEELS TEMPERATURE RANGE 0273-0400 K TEMPERATURE RANGE 0400-1000 K X-RAY DIFFRACTION |
| title | Effect of ageing on precipitation and impact energy of 2101 economical duplex stainless steel |
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