Creep behavior and life assessment of anisotropic bicrystals with a void and without void in different kinds of grain boundaries
Based on crystallographic theory, a creep constitutive relationship and a life predictive model have been presented. The crystallographic creep constitutive relationship has been implemented as a user subroutine ’CRPLAW' to MACR. Bicrystal models containing a void in the grain boundary and bicr...
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| Veröffentlicht in: | Materialwissenschaft und Werkstofftechnik 2015-12, Vol.46 (12), p.1169-1176 |
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| container_title | Materialwissenschaft und Werkstofftechnik |
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| creator | Li, S.‐W. Wen, Z.‐X. Yue, Z.‐F. Gao, J. |
| description | Based on crystallographic theory, a creep constitutive relationship and a life predictive model have been presented. The crystallographic creep constitutive relationship has been implemented as a user subroutine ’CRPLAW' to MACR. Bicrystal models containing a void in the grain boundary and bicrystal model without void have been studied by the finite element method. Different loading direction has been studied in order to show the influence of relative direction of loading to grain boundary on the creep behavior of the bicrystals. The numerical results of bicrystal models show that there are a high stress gradient and stress concentration near the void and grain boundary. The existing of the void has strong influence on creep durability life of the crystal. The stress distribution and creep strain characterization are dependent on the crystallographic orientations of the two crystals and the grain boundary direction as well as the existing of the void and loading directions. It is shown that the bicrystal model of the loading direction perpendicular to the grain boundary has the highest creep strain and creep damage, while that model of the of the loading direction parallel to the grain boundary has the minimum. This above conclusion is also same to the growth of void. |
| doi_str_mv | 10.1002/mawe.201500447 |
| format | Article |
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The crystallographic creep constitutive relationship has been implemented as a user subroutine ’CRPLAW' to MACR. Bicrystal models containing a void in the grain boundary and bicrystal model without void have been studied by the finite element method. Different loading direction has been studied in order to show the influence of relative direction of loading to grain boundary on the creep behavior of the bicrystals. The numerical results of bicrystal models show that there are a high stress gradient and stress concentration near the void and grain boundary. The existing of the void has strong influence on creep durability life of the crystal. The stress distribution and creep strain characterization are dependent on the crystallographic orientations of the two crystals and the grain boundary direction as well as the existing of the void and loading directions. It is shown that the bicrystal model of the loading direction perpendicular to the grain boundary has the highest creep strain and creep damage, while that model of the of the loading direction parallel to the grain boundary has the minimum. This above conclusion is also same to the growth of void.</description><identifier>ISSN: 0933-5137</identifier><identifier>EISSN: 1521-4052</identifier><identifier>DOI: 10.1002/mawe.201500447</identifier><language>eng</language><publisher>Weinheim: WILEY-VCH Verlag</publisher><subject>Alloys ; bicrystal ; Bicrystals ; Bikristall ; Constitutive relationships ; creep ; Creep (materials) ; Crystallography ; Fehlstelle ; gain boundary ; Grain boundaries ; Korngrenze ; Kriechen ; Mathematical models ; Stress concentration ; Void ; Voids</subject><ispartof>Materialwissenschaft und Werkstofftechnik, 2015-12, Vol.46 (12), p.1169-1176</ispartof><rights>2015 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><rights>2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3497-b671ebcfd97aa2d78388b7331f056b210665d9a5570587d4983ad02f18f5adf63</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fmawe.201500447$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fmawe.201500447$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids></links><search><creatorcontrib>Li, S.‐W.</creatorcontrib><creatorcontrib>Wen, Z.‐X.</creatorcontrib><creatorcontrib>Yue, Z.‐F.</creatorcontrib><creatorcontrib>Gao, J.</creatorcontrib><title>Creep behavior and life assessment of anisotropic bicrystals with a void and without void in different kinds of grain boundaries</title><title>Materialwissenschaft und Werkstofftechnik</title><addtitle>Mat.-wiss. u. Werkstofftech</addtitle><description>Based on crystallographic theory, a creep constitutive relationship and a life predictive model have been presented. The crystallographic creep constitutive relationship has been implemented as a user subroutine ’CRPLAW' to MACR. Bicrystal models containing a void in the grain boundary and bicrystal model without void have been studied by the finite element method. Different loading direction has been studied in order to show the influence of relative direction of loading to grain boundary on the creep behavior of the bicrystals. The numerical results of bicrystal models show that there are a high stress gradient and stress concentration near the void and grain boundary. The existing of the void has strong influence on creep durability life of the crystal. The stress distribution and creep strain characterization are dependent on the crystallographic orientations of the two crystals and the grain boundary direction as well as the existing of the void and loading directions. It is shown that the bicrystal model of the loading direction perpendicular to the grain boundary has the highest creep strain and creep damage, while that model of the of the loading direction parallel to the grain boundary has the minimum. This above conclusion is also same to the growth of void.</description><subject>Alloys</subject><subject>bicrystal</subject><subject>Bicrystals</subject><subject>Bikristall</subject><subject>Constitutive relationships</subject><subject>creep</subject><subject>Creep (materials)</subject><subject>Crystallography</subject><subject>Fehlstelle</subject><subject>gain boundary</subject><subject>Grain boundaries</subject><subject>Korngrenze</subject><subject>Kriechen</subject><subject>Mathematical models</subject><subject>Stress concentration</subject><subject>Void</subject><subject>Voids</subject><issn>0933-5137</issn><issn>1521-4052</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNpdUbFu2zAUJIoWqON2zUygSxc5j6IoimPgxk6DpMmQJiNBiWRDWxYdUorrLZ8eKi48dHq49-4OD3cInRKYEYD8bKN2ZpYDYQBFwT-gCWE5yQpg-Uc0AUFpxgjln9FJjCsAEIKzCXqdB2O2uDZP6sX5gFWnceuswSpGE-PGdD32Nq1d9H3wW9fg2jVhH3vVRrxz_RNW-MU7_a4csR_6w8J1WDtrTRg91q7TcXT6E1Q61H7otArOxC_ok01W5uu_OUW_Fxf388vs-nb5c35-nTW0EDyrS05M3VgtuFK55hWtqppTSiywss4JlCXTQjHGgVVcF6KiSkNuSWWZ0rakU_T94LsN_nkwsZcbFxvTtqozfoiSVCm2SpAU1BR9-4-68kPo0neScAalSBxILHFg7Vxr9nIb3EaFvSQgxzbk2IY8tiFvzh8vjihps4PWxd78PWpVWMuSU87k46-lvKT05uph8UPe0TfMQ5DT</recordid><startdate>201512</startdate><enddate>201512</enddate><creator>Li, S.‐W.</creator><creator>Wen, Z.‐X.</creator><creator>Yue, Z.‐F.</creator><creator>Gao, J.</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>201512</creationdate><title>Creep behavior and life assessment of anisotropic bicrystals with a void and without void in different kinds of grain boundaries</title><author>Li, S.‐W. ; Wen, Z.‐X. ; Yue, Z.‐F. ; Gao, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3497-b671ebcfd97aa2d78388b7331f056b210665d9a5570587d4983ad02f18f5adf63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Alloys</topic><topic>bicrystal</topic><topic>Bicrystals</topic><topic>Bikristall</topic><topic>Constitutive relationships</topic><topic>creep</topic><topic>Creep (materials)</topic><topic>Crystallography</topic><topic>Fehlstelle</topic><topic>gain boundary</topic><topic>Grain boundaries</topic><topic>Korngrenze</topic><topic>Kriechen</topic><topic>Mathematical models</topic><topic>Stress concentration</topic><topic>Void</topic><topic>Voids</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, S.‐W.</creatorcontrib><creatorcontrib>Wen, Z.‐X.</creatorcontrib><creatorcontrib>Yue, Z.‐F.</creatorcontrib><creatorcontrib>Gao, J.</creatorcontrib><collection>Istex</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Materialwissenschaft und Werkstofftechnik</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, S.‐W.</au><au>Wen, Z.‐X.</au><au>Yue, Z.‐F.</au><au>Gao, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Creep behavior and life assessment of anisotropic bicrystals with a void and without void in different kinds of grain boundaries</atitle><jtitle>Materialwissenschaft und Werkstofftechnik</jtitle><addtitle>Mat.-wiss. u. Werkstofftech</addtitle><date>2015-12</date><risdate>2015</risdate><volume>46</volume><issue>12</issue><spage>1169</spage><epage>1176</epage><pages>1169-1176</pages><issn>0933-5137</issn><eissn>1521-4052</eissn><abstract>Based on crystallographic theory, a creep constitutive relationship and a life predictive model have been presented. The crystallographic creep constitutive relationship has been implemented as a user subroutine ’CRPLAW' to MACR. Bicrystal models containing a void in the grain boundary and bicrystal model without void have been studied by the finite element method. Different loading direction has been studied in order to show the influence of relative direction of loading to grain boundary on the creep behavior of the bicrystals. The numerical results of bicrystal models show that there are a high stress gradient and stress concentration near the void and grain boundary. The existing of the void has strong influence on creep durability life of the crystal. The stress distribution and creep strain characterization are dependent on the crystallographic orientations of the two crystals and the grain boundary direction as well as the existing of the void and loading directions. It is shown that the bicrystal model of the loading direction perpendicular to the grain boundary has the highest creep strain and creep damage, while that model of the of the loading direction parallel to the grain boundary has the minimum. This above conclusion is also same to the growth of void.</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/mawe.201500447</doi><tpages>8</tpages></addata></record> |
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| ispartof | Materialwissenschaft und Werkstofftechnik, 2015-12, Vol.46 (12), p.1169-1176 |
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| language | eng |
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| source | Wiley-Blackwell Journals |
| subjects | Alloys bicrystal Bicrystals Bikristall Constitutive relationships creep Creep (materials) Crystallography Fehlstelle gain boundary Grain boundaries Korngrenze Kriechen Mathematical models Stress concentration Void Voids |
| title | Creep behavior and life assessment of anisotropic bicrystals with a void and without void in different kinds of grain boundaries |
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