Synchrotron micro-diffraction analysis of the microstructure of cryogenically treated high performance tool steels prior to and after tempering
The phase transformation and strain changes within cryogenically (−196 °C) treated high performance tool steels (AISI H13) before and after tempering have been examined using both laboratory XRD and synchrotron micro-diffraction. The martensitic unit cell was found to have very low tetragonality as...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2010-10, Vol.527 (26), p.6822-6830 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Xu, N. Cavallaro, G.P. Gerson, A.R. |
| description | The phase transformation and strain changes within cryogenically (−196
°C) treated high performance tool steels (AISI H13) before and after tempering have been examined using both laboratory XRD and synchrotron micro-diffraction. The martensitic unit cell was found to have very low tetragonality as expected for low carbon steel. Tempering resulted in the diffusion of excess carbon out of the martensite phase and consequent unit cell shrinkage. In addition on tempering the martensite became more homogeneous as compared to the same samples prior to tempering. For cryogenically treated samples, the effect was most pronounced for the rapidly cooled sample which was the least homogenous sample prior to tempering but was the most homogenous sample after tempering. This suggests that the considerable degree of disorder resulting from rapid cryogenic cooling results in the beneficial release of micro-stresses on tempering thus possibly resulting in the improved wear resistance and durability observed for cryogenically treated tool steels. |
| doi_str_mv | 10.1016/j.msea.2010.06.072 |
| format | Article |
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°C) treated high performance tool steels (AISI H13) before and after tempering have been examined using both laboratory XRD and synchrotron micro-diffraction. The martensitic unit cell was found to have very low tetragonality as expected for low carbon steel. Tempering resulted in the diffusion of excess carbon out of the martensite phase and consequent unit cell shrinkage. In addition on tempering the martensite became more homogeneous as compared to the same samples prior to tempering. For cryogenically treated samples, the effect was most pronounced for the rapidly cooled sample which was the least homogenous sample prior to tempering but was the most homogenous sample after tempering. This suggests that the considerable degree of disorder resulting from rapid cryogenic cooling results in the beneficial release of micro-stresses on tempering thus possibly resulting in the improved wear resistance and durability observed for cryogenically treated tool steels.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2010.06.072</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Applied sciences ; Carbon ; Chromium molybdenum vanadium steels ; Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder ; Cross-disciplinary physics: materials science; rheology ; Cryogenic cooling ; Cryogenic treatment ; Die steels ; Exact sciences and technology ; Hardening. Tempering ; Heat treatment ; Hot work tool steels ; Martensite ; Materials science ; Metals. Metallurgy ; Microstructure ; Phase diagrams and microstructures developed by solidification and solid-solid phase transformations ; Physics ; Production techniques ; Steel ; Synchrotron X-ray diffraction ; Synchrotrons ; Tempering ; Tool steels ; Unit cell ; X-ray diffraction</subject><ispartof>Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2010-10, Vol.527 (26), p.6822-6830</ispartof><rights>2010 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c363t-5fb1db4a4e01bede2de4899fbe47ca8d74f2926dcd3446fe388b43818d9a47d13</citedby><cites>FETCH-LOGICAL-c363t-5fb1db4a4e01bede2de4899fbe47ca8d74f2926dcd3446fe388b43818d9a47d13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.msea.2010.06.072$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23272462$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Xu, N.</creatorcontrib><creatorcontrib>Cavallaro, G.P.</creatorcontrib><creatorcontrib>Gerson, A.R.</creatorcontrib><title>Synchrotron micro-diffraction analysis of the microstructure of cryogenically treated high performance tool steels prior to and after tempering</title><title>Materials science & engineering. A, Structural materials : properties, microstructure and processing</title><description>The phase transformation and strain changes within cryogenically (−196
°C) treated high performance tool steels (AISI H13) before and after tempering have been examined using both laboratory XRD and synchrotron micro-diffraction. The martensitic unit cell was found to have very low tetragonality as expected for low carbon steel. Tempering resulted in the diffusion of excess carbon out of the martensite phase and consequent unit cell shrinkage. In addition on tempering the martensite became more homogeneous as compared to the same samples prior to tempering. For cryogenically treated samples, the effect was most pronounced for the rapidly cooled sample which was the least homogenous sample prior to tempering but was the most homogenous sample after tempering. This suggests that the considerable degree of disorder resulting from rapid cryogenic cooling results in the beneficial release of micro-stresses on tempering thus possibly resulting in the improved wear resistance and durability observed for cryogenically treated tool steels.</description><subject>Applied sciences</subject><subject>Carbon</subject><subject>Chromium molybdenum vanadium steels</subject><subject>Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Cryogenic cooling</subject><subject>Cryogenic treatment</subject><subject>Die steels</subject><subject>Exact sciences and technology</subject><subject>Hardening. Tempering</subject><subject>Heat treatment</subject><subject>Hot work tool steels</subject><subject>Martensite</subject><subject>Materials science</subject><subject>Metals. Metallurgy</subject><subject>Microstructure</subject><subject>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</subject><subject>Physics</subject><subject>Production techniques</subject><subject>Steel</subject><subject>Synchrotron X-ray diffraction</subject><subject>Synchrotrons</subject><subject>Tempering</subject><subject>Tool steels</subject><subject>Unit cell</subject><subject>X-ray diffraction</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9kMuqFDEQhoMoOB59AVfZCG56zG2SbnAjB29wwIW6DumkMpOhuzNWMkI_ha9smjm4dBXq56s_1EfIa872nHH97ryfC7i9YC1ges-MeEJ2vDeyU4PUT8mODYJ3BzbI5-RFKWfGGFfssCN_vq-LP2GumBc6J4-5CylGdL6mlrjFTWtJheZI6wluRKl49fWKsKUe13yEJXk3TSutCK5CoKd0PNELYMw4u8UDrTlPtFSAqdALpowtae2BulihDTA3Oi3Hl-RZdFOBV4_vHfn56eOP-y_dw7fPX-8_PHRealm7Qxx5GJVTwPgIAUQA1Q9DHEEZ7_pgVBSD0MEHqZSOIPt-VLLnfRicMoHLO_L21nvB_OsKpdo5FQ_T5BbI12K5Nlz05qBNQ8UN3U4vCNG2A2aHq-XMbvbt2W727WbfMm2b_bb05rHflaamCV18Kv82hRRGKL1x729cEwO_E6AtPkEzFhKCrzbk9L9v_gIYqJ_a</recordid><startdate>20101015</startdate><enddate>20101015</enddate><creator>Xu, N.</creator><creator>Cavallaro, G.P.</creator><creator>Gerson, A.R.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20101015</creationdate><title>Synchrotron micro-diffraction analysis of the microstructure of cryogenically treated high performance tool steels prior to and after tempering</title><author>Xu, N. ; Cavallaro, G.P. ; Gerson, A.R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c363t-5fb1db4a4e01bede2de4899fbe47ca8d74f2926dcd3446fe388b43818d9a47d13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>Carbon</topic><topic>Chromium molybdenum vanadium steels</topic><topic>Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Cryogenic cooling</topic><topic>Cryogenic treatment</topic><topic>Die steels</topic><topic>Exact sciences and technology</topic><topic>Hardening. Tempering</topic><topic>Heat treatment</topic><topic>Hot work tool steels</topic><topic>Martensite</topic><topic>Materials science</topic><topic>Metals. Metallurgy</topic><topic>Microstructure</topic><topic>Phase diagrams and microstructures developed by solidification and solid-solid phase transformations</topic><topic>Physics</topic><topic>Production techniques</topic><topic>Steel</topic><topic>Synchrotron X-ray diffraction</topic><topic>Synchrotrons</topic><topic>Tempering</topic><topic>Tool steels</topic><topic>Unit cell</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xu, N.</creatorcontrib><creatorcontrib>Cavallaro, G.P.</creatorcontrib><creatorcontrib>Gerson, A.R.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science & engineering. 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°C) treated high performance tool steels (AISI H13) before and after tempering have been examined using both laboratory XRD and synchrotron micro-diffraction. The martensitic unit cell was found to have very low tetragonality as expected for low carbon steel. Tempering resulted in the diffusion of excess carbon out of the martensite phase and consequent unit cell shrinkage. In addition on tempering the martensite became more homogeneous as compared to the same samples prior to tempering. For cryogenically treated samples, the effect was most pronounced for the rapidly cooled sample which was the least homogenous sample prior to tempering but was the most homogenous sample after tempering. This suggests that the considerable degree of disorder resulting from rapid cryogenic cooling results in the beneficial release of micro-stresses on tempering thus possibly resulting in the improved wear resistance and durability observed for cryogenically treated tool steels.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2010.06.072</doi><tpages>9</tpages></addata></record> |
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2010-10, Vol.527 (26), p.6822-6830 |
| issn | 0921-5093 1873-4936 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Carbon Chromium molybdenum vanadium steels Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder Cross-disciplinary physics: materials science rheology Cryogenic cooling Cryogenic treatment Die steels Exact sciences and technology Hardening. Tempering Heat treatment Hot work tool steels Martensite Materials science Metals. Metallurgy Microstructure Phase diagrams and microstructures developed by solidification and solid-solid phase transformations Physics Production techniques Steel Synchrotron X-ray diffraction Synchrotrons Tempering Tool steels Unit cell X-ray diffraction |
| title | Synchrotron micro-diffraction analysis of the microstructure of cryogenically treated high performance tool steels prior to and after tempering |
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