In situ analysis of the influence of twinning on the strain hardening rate and fracture mechanism in AZ31B magnesium alloy
The influence of twinning on the strain hardening rate and fracture mechanism in AZ31B magnesium alloy was studied in this work by in situ microstructural analysis during tensile testing in a chamber of scanning electron microscope. Three types of samples used in this study were obtained by (1) extr...
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| Veröffentlicht in: | Journal of materials science 2015-03, Vol.50 (6), p.2532-2543 |
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| creator | Gzyl, Michal Pesci, Raphaël Rosochowski, Andrzej Boczkal, Sonia Olejnik, Lech |
| description | The influence of twinning on the strain hardening rate and fracture mechanism in AZ31B magnesium alloy was studied in this work by in situ microstructural analysis during tensile testing in a chamber of scanning electron microscope. Three types of samples used in this study were obtained by (1) extrusion (as-supplied), (2) I-ECAP and (3) I-ECAP followed by side upsetting. Microstructures, textures and mechanical properties were examined after each processing step. An analytical equation was used to describe flow stress curves of the samples which exhibited various modes of deformation (1) only by slip, (2) dominated by tensile twinning followed by slip and (3) dominated by contraction twinning followed by slip. It was shown that tensile twinning increases strain hardening rate, while the opposite is observed for contraction twinning. The effective Schmid factors for slip in volumes deformed by tensile and contraction twinning were determined in this work using modelling approach as 0.215 and 0.45, respectively. Contraction twinning was also revealed to be responsible for an earlier fracture of the extruded sample subjected to tension, since microcracking was shown explicitly to be initiated within twins. |
| doi_str_mv | 10.1007/s10853-014-8812-0 |
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Three types of samples used in this study were obtained by (1) extrusion (as-supplied), (2) I-ECAP and (3) I-ECAP followed by side upsetting. Microstructures, textures and mechanical properties were examined after each processing step. An analytical equation was used to describe flow stress curves of the samples which exhibited various modes of deformation (1) only by slip, (2) dominated by tensile twinning followed by slip and (3) dominated by contraction twinning followed by slip. It was shown that tensile twinning increases strain hardening rate, while the opposite is observed for contraction twinning. The effective Schmid factors for slip in volumes deformed by tensile and contraction twinning were determined in this work using modelling approach as 0.215 and 0.45, respectively. Contraction twinning was also revealed to be responsible for an earlier fracture of the extruded sample subjected to tension, since microcracking was shown explicitly to be initiated within twins.</description><identifier>ISSN: 0022-2461</identifier><identifier>EISSN: 1573-4803</identifier><identifier>DOI: 10.1007/s10853-014-8812-0</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Analysis ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Classical Mechanics ; Crack initiation ; Crystallography and Scattering Methods ; Deformation effects ; Engineering Sciences ; Extrusion ; Fracture mechanics ; Fracturing ; Hardening rate ; Heat treating ; Magnesium alloys ; Magnesium base alloys ; Materials ; Materials Science ; Mathematical analysis ; Mechanical properties ; Microcracks ; Microstructural analysis ; Microstructure ; Original Paper ; Polymer Sciences ; Slip ; Solid Mechanics ; Specialty metals industry ; Strain hardening ; Texture ; Twinning ; Twinning (Crystallography) ; Twins ; Yield strength</subject><ispartof>Journal of materials science, 2015-03, Vol.50 (6), p.2532-2543</ispartof><rights>The Author(s) 2015</rights><rights>COPYRIGHT 2015 Springer</rights><rights>Journal of Materials Science is a copyright of Springer, (2015). All Rights Reserved.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c569t-a78809418d3a5ca8f087fec2a1dba487e8eaed0be20eb62ed093ad1402feeb9c3</citedby><cites>FETCH-LOGICAL-c569t-a78809418d3a5ca8f087fec2a1dba487e8eaed0be20eb62ed093ad1402feeb9c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10853-014-8812-0$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10853-014-8812-0$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>230,314,780,784,885,27915,27916,41479,42548,51310</link.rule.ids><backlink>$$Uhttps://hal.science/hal-01164552$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Gzyl, Michal</creatorcontrib><creatorcontrib>Pesci, Raphaël</creatorcontrib><creatorcontrib>Rosochowski, Andrzej</creatorcontrib><creatorcontrib>Boczkal, Sonia</creatorcontrib><creatorcontrib>Olejnik, Lech</creatorcontrib><title>In situ analysis of the influence of twinning on the strain hardening rate and fracture mechanism in AZ31B magnesium alloy</title><title>Journal of materials science</title><addtitle>J Mater Sci</addtitle><description>The influence of twinning on the strain hardening rate and fracture mechanism in AZ31B magnesium alloy was studied in this work by in situ microstructural analysis during tensile testing in a chamber of scanning electron microscope. Three types of samples used in this study were obtained by (1) extrusion (as-supplied), (2) I-ECAP and (3) I-ECAP followed by side upsetting. Microstructures, textures and mechanical properties were examined after each processing step. An analytical equation was used to describe flow stress curves of the samples which exhibited various modes of deformation (1) only by slip, (2) dominated by tensile twinning followed by slip and (3) dominated by contraction twinning followed by slip. It was shown that tensile twinning increases strain hardening rate, while the opposite is observed for contraction twinning. The effective Schmid factors for slip in volumes deformed by tensile and contraction twinning were determined in this work using modelling approach as 0.215 and 0.45, respectively. Contraction twinning was also revealed to be responsible for an earlier fracture of the extruded sample subjected to tension, since microcracking was shown explicitly to be initiated within twins.</description><subject>Analysis</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Classical Mechanics</subject><subject>Crack initiation</subject><subject>Crystallography and Scattering Methods</subject><subject>Deformation effects</subject><subject>Engineering Sciences</subject><subject>Extrusion</subject><subject>Fracture mechanics</subject><subject>Fracturing</subject><subject>Hardening rate</subject><subject>Heat treating</subject><subject>Magnesium alloys</subject><subject>Magnesium base alloys</subject><subject>Materials</subject><subject>Materials Science</subject><subject>Mathematical analysis</subject><subject>Mechanical properties</subject><subject>Microcracks</subject><subject>Microstructural analysis</subject><subject>Microstructure</subject><subject>Original Paper</subject><subject>Polymer Sciences</subject><subject>Slip</subject><subject>Solid Mechanics</subject><subject>Specialty metals industry</subject><subject>Strain hardening</subject><subject>Texture</subject><subject>Twinning</subject><subject>Twinning (Crystallography)</subject><subject>Twins</subject><subject>Yield strength</subject><issn>0022-2461</issn><issn>1573-4803</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kk2LFDEQhhtRcFz3B-wt4EUPvVbSH0kfx0XdgQHBXS9eQk26uidLd7Im3er4681MLy4KEkiKN89bVBWVZRccLjmAfBs5qKrIgZe5Ulzk8CRb8UoWeamgeJqtAITIRVnz59mLGO8AoJKCr7JfG8einWaGDodDtJH5jk17YtZ1w0zO0En4YZ2zrmfenT7jFNA6tsfQ0kkPOFFK0bIuoJnmQGwks0dn45gysfXXgr9jI_aOop1HhsPgDy-zZx0Okc4f3rPsy4f3t1fX-fbTx83Vepubqm6mHKVS0JRctQVWBlUHSnZkBPJ2h6WSpAiphR0JoF0tUtgU2PISREe0a0xxlr1Z8u5x0PfBjhgO2qPV1-utPmrAeV1WlfjOE_t6Ye-D_zZTnPRoo6FhQEd-jprXdaPqRhYioa_-Qe_8HNIUoxaiKUA2SqpEXS5UjwPpNFSfRmfSaWm0xjvqbNLXJTSSV-l6rPbBkJiJfk49zjHqzc3nv1m-sCb4GAN1f9rjoI9roZe1SB2W-rgWGpJHLJ6YWNdTeCz7_6bfFfe5UA</recordid><startdate>20150301</startdate><enddate>20150301</enddate><creator>Gzyl, Michal</creator><creator>Pesci, Raphaël</creator><creator>Rosochowski, Andrzej</creator><creator>Boczkal, Sonia</creator><creator>Olejnik, Lech</creator><general>Springer US</general><general>Springer</general><general>Springer Nature B.V</general><general>Springer Verlag</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>7QF</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>1XC</scope><scope>VOOES</scope></search><sort><creationdate>20150301</creationdate><title>In situ analysis of the influence of twinning on the strain hardening rate and fracture mechanism in AZ31B magnesium alloy</title><author>Gzyl, Michal ; Pesci, Raphaël ; Rosochowski, Andrzej ; Boczkal, Sonia ; Olejnik, Lech</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c569t-a78809418d3a5ca8f087fec2a1dba487e8eaed0be20eb62ed093ad1402feeb9c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Analysis</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Classical Mechanics</topic><topic>Crack initiation</topic><topic>Crystallography and Scattering Methods</topic><topic>Deformation effects</topic><topic>Engineering Sciences</topic><topic>Extrusion</topic><topic>Fracture mechanics</topic><topic>Fracturing</topic><topic>Hardening rate</topic><topic>Heat treating</topic><topic>Magnesium alloys</topic><topic>Magnesium base alloys</topic><topic>Materials</topic><topic>Materials Science</topic><topic>Mathematical analysis</topic><topic>Mechanical properties</topic><topic>Microcracks</topic><topic>Microstructural analysis</topic><topic>Microstructure</topic><topic>Original Paper</topic><topic>Polymer Sciences</topic><topic>Slip</topic><topic>Solid Mechanics</topic><topic>Specialty metals industry</topic><topic>Strain hardening</topic><topic>Texture</topic><topic>Twinning</topic><topic>Twinning (Crystallography)</topic><topic>Twins</topic><topic>Yield strength</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gzyl, Michal</creatorcontrib><creatorcontrib>Pesci, Raphaël</creatorcontrib><creatorcontrib>Rosochowski, Andrzej</creatorcontrib><creatorcontrib>Boczkal, Sonia</creatorcontrib><creatorcontrib>Olejnik, Lech</creatorcontrib><collection>SpringerOpen</collection><collection>CrossRef</collection><collection>Gale In Context: Science</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>Aluminium Industry Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>Hyper Article en Ligne (HAL) (Open Access)</collection><jtitle>Journal of materials science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gzyl, Michal</au><au>Pesci, Raphaël</au><au>Rosochowski, Andrzej</au><au>Boczkal, Sonia</au><au>Olejnik, Lech</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In situ analysis of the influence of twinning on the strain hardening rate and fracture mechanism in AZ31B magnesium alloy</atitle><jtitle>Journal of materials science</jtitle><stitle>J Mater Sci</stitle><date>2015-03-01</date><risdate>2015</risdate><volume>50</volume><issue>6</issue><spage>2532</spage><epage>2543</epage><pages>2532-2543</pages><issn>0022-2461</issn><eissn>1573-4803</eissn><abstract>The influence of twinning on the strain hardening rate and fracture mechanism in AZ31B magnesium alloy was studied in this work by in situ microstructural analysis during tensile testing in a chamber of scanning electron microscope. Three types of samples used in this study were obtained by (1) extrusion (as-supplied), (2) I-ECAP and (3) I-ECAP followed by side upsetting. Microstructures, textures and mechanical properties were examined after each processing step. An analytical equation was used to describe flow stress curves of the samples which exhibited various modes of deformation (1) only by slip, (2) dominated by tensile twinning followed by slip and (3) dominated by contraction twinning followed by slip. It was shown that tensile twinning increases strain hardening rate, while the opposite is observed for contraction twinning. The effective Schmid factors for slip in volumes deformed by tensile and contraction twinning were determined in this work using modelling approach as 0.215 and 0.45, respectively. Contraction twinning was also revealed to be responsible for an earlier fracture of the extruded sample subjected to tension, since microcracking was shown explicitly to be initiated within twins.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s10853-014-8812-0</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Analysis Characterization and Evaluation of Materials Chemistry and Materials Science Classical Mechanics Crack initiation Crystallography and Scattering Methods Deformation effects Engineering Sciences Extrusion Fracture mechanics Fracturing Hardening rate Heat treating Magnesium alloys Magnesium base alloys Materials Materials Science Mathematical analysis Mechanical properties Microcracks Microstructural analysis Microstructure Original Paper Polymer Sciences Slip Solid Mechanics Specialty metals industry Strain hardening Texture Twinning Twinning (Crystallography) Twins Yield strength |
| title | In situ analysis of the influence of twinning on the strain hardening rate and fracture mechanism in AZ31B magnesium alloy |
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