The role of mixed-mode deformation at the crack tip on shear banding and crack propagation of ultrafine-grained copper
•The crack paths was 45° inclined to the loading axis in the Y-plane.•The crack paths was 90° inclined to the loading axis in the Z-plane.•The aspect ratios were 0.38 for the Y-plane crack and 1.1 for the Z-plane crack.•The crack face shape depended on the in-plane shear-mode deformation at the crac...
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| Veröffentlicht in: | International journal of fatigue 2014-09, Vol.66, p.220-228 |
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| creator | Goto, M. Han, S.Z. Ahn, J.H. Yakushiji, T. Euh, K. Kim, S.S. Lee, J. |
| description | •The crack paths was 45° inclined to the loading axis in the Y-plane.•The crack paths was 90° inclined to the loading axis in the Z-plane.•The aspect ratios were 0.38 for the Y-plane crack and 1.1 for the Z-plane crack.•The crack face shape depended on the in-plane shear-mode deformation at the crack tip areas.
Stress-controlled fatigue tests of ultrafine-grained copper round-bar specimens were conducted. Although the crack paths inclined 45° and 90° to the loading-axis were observed in the different locations, crack faces were extended along one set of maximum shear-stress planes, corresponding to the final ECAP shear plane. Profile of crack faces was examined, showing the aspect ratios of 0.38 and 1.10 for the cracks with 45° and 90° inclined path directions with respect to the loading-axis, respectively. The role of deformation mode at the crack tip on shear-banding and crack growth behavior were discussed in terms of the mixed-mode stress intensity factor. |
| doi_str_mv | 10.1016/j.ijfatigue.2014.04.007 |
| format | Article |
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Stress-controlled fatigue tests of ultrafine-grained copper round-bar specimens were conducted. Although the crack paths inclined 45° and 90° to the loading-axis were observed in the different locations, crack faces were extended along one set of maximum shear-stress planes, corresponding to the final ECAP shear plane. Profile of crack faces was examined, showing the aspect ratios of 0.38 and 1.10 for the cracks with 45° and 90° inclined path directions with respect to the loading-axis, respectively. The role of deformation mode at the crack tip on shear-banding and crack growth behavior were discussed in terms of the mixed-mode stress intensity factor.</description><identifier>ISSN: 0142-1123</identifier><identifier>EISSN: 1879-3452</identifier><identifier>DOI: 10.1016/j.ijfatigue.2014.04.007</identifier><identifier>CODEN: IJFADB</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Applied sciences ; Copper ; CRACK GROWTH ; Crack propagation ; CRACKING ; CRACKS ; DEFORMATION ; Equal channel angular processing ; Exact sciences and technology ; FAILURE ; Fatigue ; Fatigue failure ; FATIGUE TESTS ; Fracture mechanics ; GRAIN SIZE AND SHAPE ; Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology ; Metals. Metallurgy ; Planes ; Shear bands ; Stress intensity factor</subject><ispartof>International journal of fatigue, 2014-09, Vol.66, p.220-228</ispartof><rights>2014 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c477t-8c7e7327cbd4fe48eaaa6b485896ca837e54da946709b9c4d92335de266d2e013</citedby><cites>FETCH-LOGICAL-c477t-8c7e7327cbd4fe48eaaa6b485896ca837e54da946709b9c4d92335de266d2e013</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.ijfatigue.2014.04.007$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,45974</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28541339$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Goto, M.</creatorcontrib><creatorcontrib>Han, S.Z.</creatorcontrib><creatorcontrib>Ahn, J.H.</creatorcontrib><creatorcontrib>Yakushiji, T.</creatorcontrib><creatorcontrib>Euh, K.</creatorcontrib><creatorcontrib>Kim, S.S.</creatorcontrib><creatorcontrib>Lee, J.</creatorcontrib><title>The role of mixed-mode deformation at the crack tip on shear banding and crack propagation of ultrafine-grained copper</title><title>International journal of fatigue</title><description>•The crack paths was 45° inclined to the loading axis in the Y-plane.•The crack paths was 90° inclined to the loading axis in the Z-plane.•The aspect ratios were 0.38 for the Y-plane crack and 1.1 for the Z-plane crack.•The crack face shape depended on the in-plane shear-mode deformation at the crack tip areas.
Stress-controlled fatigue tests of ultrafine-grained copper round-bar specimens were conducted. Although the crack paths inclined 45° and 90° to the loading-axis were observed in the different locations, crack faces were extended along one set of maximum shear-stress planes, corresponding to the final ECAP shear plane. Profile of crack faces was examined, showing the aspect ratios of 0.38 and 1.10 for the cracks with 45° and 90° inclined path directions with respect to the loading-axis, respectively. The role of deformation mode at the crack tip on shear-banding and crack growth behavior were discussed in terms of the mixed-mode stress intensity factor.</description><subject>Applied sciences</subject><subject>Copper</subject><subject>CRACK GROWTH</subject><subject>Crack propagation</subject><subject>CRACKING</subject><subject>CRACKS</subject><subject>DEFORMATION</subject><subject>Equal channel angular processing</subject><subject>Exact sciences and technology</subject><subject>FAILURE</subject><subject>Fatigue</subject><subject>Fatigue failure</subject><subject>FATIGUE TESTS</subject><subject>Fracture mechanics</subject><subject>GRAIN SIZE AND SHAPE</subject><subject>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</subject><subject>Metals. Metallurgy</subject><subject>Planes</subject><subject>Shear bands</subject><subject>Stress intensity factor</subject><issn>0142-1123</issn><issn>1879-3452</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqFkU9LJDEQxcOyCzur-xk2F2EvPeZfJ52jiKuC4EXPoSapHjN2d3qTHnG__UZn8CoUFKR-9V6RR8gvztaccX2-W8ddD0vc7nEtGFdrVouZL2TFO2MbqVrxlazqQDScC_md_ChlxxizzLQr8vLwhDSnAWnq6RhfMTRjCkgD9imPVTZNFBa6VMpn8M90iTOtb-UJIdMNTCFOW1rbcTznNMP2sFcV98OSoY8TNtsMtVUszTPmU_Kth6Hgz2M_IY9_rh4ub5q7--vby4u7xitjlqbzBo0Uxm-C6lF1CAB6o7q2s9pDJw22KoBV2jC7sV4FK6RsAwqtg0DG5Qn5fdCtd_3dY1ncGIvHYYAJ0744ro2xtq6bz9G2YprpVlbUHFCfUykZezfnOEL-5zhzb6G4nfsIxb2F4litd5OzowkUD0OfYfKxfKyLrlVcSlu5iwOH9XNeImZXfMTJY4gZ_eJCip96_Qfx46ej</recordid><startdate>20140901</startdate><enddate>20140901</enddate><creator>Goto, M.</creator><creator>Han, S.Z.</creator><creator>Ahn, J.H.</creator><creator>Yakushiji, T.</creator><creator>Euh, K.</creator><creator>Kim, S.S.</creator><creator>Lee, J.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8G</scope><scope>JG9</scope></search><sort><creationdate>20140901</creationdate><title>The role of mixed-mode deformation at the crack tip on shear banding and crack propagation of ultrafine-grained copper</title><author>Goto, M. ; Han, S.Z. ; Ahn, J.H. ; Yakushiji, T. ; Euh, K. ; Kim, S.S. ; Lee, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c477t-8c7e7327cbd4fe48eaaa6b485896ca837e54da946709b9c4d92335de266d2e013</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Applied sciences</topic><topic>Copper</topic><topic>CRACK GROWTH</topic><topic>Crack propagation</topic><topic>CRACKING</topic><topic>CRACKS</topic><topic>DEFORMATION</topic><topic>Equal channel angular processing</topic><topic>Exact sciences and technology</topic><topic>FAILURE</topic><topic>Fatigue</topic><topic>Fatigue failure</topic><topic>FATIGUE TESTS</topic><topic>Fracture mechanics</topic><topic>GRAIN SIZE AND SHAPE</topic><topic>Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology</topic><topic>Metals. Metallurgy</topic><topic>Planes</topic><topic>Shear bands</topic><topic>Stress intensity factor</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Goto, M.</creatorcontrib><creatorcontrib>Han, S.Z.</creatorcontrib><creatorcontrib>Ahn, J.H.</creatorcontrib><creatorcontrib>Yakushiji, T.</creatorcontrib><creatorcontrib>Euh, K.</creatorcontrib><creatorcontrib>Kim, S.S.</creatorcontrib><creatorcontrib>Lee, J.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><jtitle>International journal of fatigue</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Goto, M.</au><au>Han, S.Z.</au><au>Ahn, J.H.</au><au>Yakushiji, T.</au><au>Euh, K.</au><au>Kim, S.S.</au><au>Lee, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The role of mixed-mode deformation at the crack tip on shear banding and crack propagation of ultrafine-grained copper</atitle><jtitle>International journal of fatigue</jtitle><date>2014-09-01</date><risdate>2014</risdate><volume>66</volume><spage>220</spage><epage>228</epage><pages>220-228</pages><issn>0142-1123</issn><eissn>1879-3452</eissn><coden>IJFADB</coden><abstract>•The crack paths was 45° inclined to the loading axis in the Y-plane.•The crack paths was 90° inclined to the loading axis in the Z-plane.•The aspect ratios were 0.38 for the Y-plane crack and 1.1 for the Z-plane crack.•The crack face shape depended on the in-plane shear-mode deformation at the crack tip areas.
Stress-controlled fatigue tests of ultrafine-grained copper round-bar specimens were conducted. Although the crack paths inclined 45° and 90° to the loading-axis were observed in the different locations, crack faces were extended along one set of maximum shear-stress planes, corresponding to the final ECAP shear plane. Profile of crack faces was examined, showing the aspect ratios of 0.38 and 1.10 for the cracks with 45° and 90° inclined path directions with respect to the loading-axis, respectively. The role of deformation mode at the crack tip on shear-banding and crack growth behavior were discussed in terms of the mixed-mode stress intensity factor.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.ijfatigue.2014.04.007</doi><tpages>9</tpages></addata></record> |
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| ispartof | International journal of fatigue, 2014-09, Vol.66, p.220-228 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Copper CRACK GROWTH Crack propagation CRACKING CRACKS DEFORMATION Equal channel angular processing Exact sciences and technology FAILURE Fatigue Fatigue failure FATIGUE TESTS Fracture mechanics GRAIN SIZE AND SHAPE Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology Metals. Metallurgy Planes Shear bands Stress intensity factor |
| title | The role of mixed-mode deformation at the crack tip on shear banding and crack propagation of ultrafine-grained copper |
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