Deformation behavior and phase transformation of nanotwinned Al/Ti multilayers
[Display omitted] •The deformation mechanisms of nanotwinned Al/Ti multilayers were investigated by using in situ micropillar compression tests.•Nanotwinned Al/Ti multilayers exhibit flow stress up to 2.4 GPa and good work hardening capability.•Deformation induced stacking faults and HCP-to-FCC phas...
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| Veröffentlicht in: | Applied surface science 2020-10, Vol.527 (C), p.146776, Article 146776 |
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| creator | Zhang, Y.F. Li, Qiang Gong, M. Xue, S. Ding, J. Li, Jin Cho, J. Niu, T. Su, Ruizhe Richter, N.A. Wang, H. Wang, J. Zhang, X. |
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•The deformation mechanisms of nanotwinned Al/Ti multilayers were investigated by using in situ micropillar compression tests.•Nanotwinned Al/Ti multilayers exhibit flow stress up to 2.4 GPa and good work hardening capability.•Deformation induced stacking faults and HCP-to-FCC phase transformation were revealed in Ti.•Molecular dynamics simulations elucidate the mechanisms of deformation induced phase transformation in Ti.
Nanotwinned Al/Ti multilayers have exhibited size-dependent microstructure evolution and high strength. However, their deformation mechanisms are less well understood. In this work, we investigated the deformation mechanisms of nanotwinned Al/Ti multilayers with FCC/HCP layer interfaces by using in situ micropillar compression tests. Nanotwinned Al/Ti multilayers exhibit compressive strength up to 2.4 GPa and good work hardening capability. Post-compression TEM analyses reveal high-density stacking faults and the HCP-to-FCC phase transformations in Ti. Molecular dynamics simulations elucidate the mechanisms of deformation induced phase transformation in Ti and the influence of collective movement of partial dislocations on the deformability of Al/Ti multilayers. |
| doi_str_mv | 10.1016/j.apsusc.2020.146776 |
| format | Article |
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•The deformation mechanisms of nanotwinned Al/Ti multilayers were investigated by using in situ micropillar compression tests.•Nanotwinned Al/Ti multilayers exhibit flow stress up to 2.4 GPa and good work hardening capability.•Deformation induced stacking faults and HCP-to-FCC phase transformation were revealed in Ti.•Molecular dynamics simulations elucidate the mechanisms of deformation induced phase transformation in Ti.
Nanotwinned Al/Ti multilayers have exhibited size-dependent microstructure evolution and high strength. However, their deformation mechanisms are less well understood. In this work, we investigated the deformation mechanisms of nanotwinned Al/Ti multilayers with FCC/HCP layer interfaces by using in situ micropillar compression tests. Nanotwinned Al/Ti multilayers exhibit compressive strength up to 2.4 GPa and good work hardening capability. Post-compression TEM analyses reveal high-density stacking faults and the HCP-to-FCC phase transformations in Ti. Molecular dynamics simulations elucidate the mechanisms of deformation induced phase transformation in Ti and the influence of collective movement of partial dislocations on the deformability of Al/Ti multilayers.</description><identifier>ISSN: 0169-4332</identifier><identifier>EISSN: 1873-5584</identifier><identifier>DOI: 10.1016/j.apsusc.2020.146776</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Al/Ti multilayer ; In situ micropillar compression ; MD simulation ; Nanotwin ; Phase transformation ; Sputtering</subject><ispartof>Applied surface science, 2020-10, Vol.527 (C), p.146776, Article 146776</ispartof><rights>2020</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c379t-cad1a0bc5b6c3be5be23950e0d1e2bbc1dd0ca39ac4eb29de6e763a114f41a773</citedby><cites>FETCH-LOGICAL-c379t-cad1a0bc5b6c3be5be23950e0d1e2bbc1dd0ca39ac4eb29de6e763a114f41a773</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.apsusc.2020.146776$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,780,784,885,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/1634160$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhang, Y.F.</creatorcontrib><creatorcontrib>Li, Qiang</creatorcontrib><creatorcontrib>Gong, M.</creatorcontrib><creatorcontrib>Xue, S.</creatorcontrib><creatorcontrib>Ding, J.</creatorcontrib><creatorcontrib>Li, Jin</creatorcontrib><creatorcontrib>Cho, J.</creatorcontrib><creatorcontrib>Niu, T.</creatorcontrib><creatorcontrib>Su, Ruizhe</creatorcontrib><creatorcontrib>Richter, N.A.</creatorcontrib><creatorcontrib>Wang, H.</creatorcontrib><creatorcontrib>Wang, J.</creatorcontrib><creatorcontrib>Zhang, X.</creatorcontrib><title>Deformation behavior and phase transformation of nanotwinned Al/Ti multilayers</title><title>Applied surface science</title><description>[Display omitted]
•The deformation mechanisms of nanotwinned Al/Ti multilayers were investigated by using in situ micropillar compression tests.•Nanotwinned Al/Ti multilayers exhibit flow stress up to 2.4 GPa and good work hardening capability.•Deformation induced stacking faults and HCP-to-FCC phase transformation were revealed in Ti.•Molecular dynamics simulations elucidate the mechanisms of deformation induced phase transformation in Ti.
Nanotwinned Al/Ti multilayers have exhibited size-dependent microstructure evolution and high strength. However, their deformation mechanisms are less well understood. In this work, we investigated the deformation mechanisms of nanotwinned Al/Ti multilayers with FCC/HCP layer interfaces by using in situ micropillar compression tests. Nanotwinned Al/Ti multilayers exhibit compressive strength up to 2.4 GPa and good work hardening capability. Post-compression TEM analyses reveal high-density stacking faults and the HCP-to-FCC phase transformations in Ti. Molecular dynamics simulations elucidate the mechanisms of deformation induced phase transformation in Ti and the influence of collective movement of partial dislocations on the deformability of Al/Ti multilayers.</description><subject>Al/Ti multilayer</subject><subject>In situ micropillar compression</subject><subject>MD simulation</subject><subject>Nanotwin</subject><subject>Phase transformation</subject><subject>Sputtering</subject><issn>0169-4332</issn><issn>1873-5584</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kE1rwzAMhs3YYF23f7BD2D2tHTtOcxmU7hPKdunORrYV6pLaxU47-u-XkMFuOwmkRw_SS8g9ozNGmZzvZnBIx2RmBS36lpBVJS_IhC0qnpflQlySSY_VueC8uCY3Ke0oZUU_nZCPJ2xC3EPngs80buHkQszA2-ywhYRZF8GnPyI0mQcfum_nPdps2c43Ltsf2861cMaYbslVA23Cu986JV8vz5vVW77-fH1fLde54VXd5QYsA6pNqaXhGkuNBa9LitQyLLQ2zFpqgNdgBOqitiixkhwYE41gUFV8Sh5Gb0idU8m4Ds3WhP4o0ykmuWCS9pAYIRNDShEbdYhuD_GsGFVDcGqnxuDUEJwag-vXHsc17B84OYyDH71B6-Kgt8H9L_gBn-960Q</recordid><startdate>20201015</startdate><enddate>20201015</enddate><creator>Zhang, Y.F.</creator><creator>Li, Qiang</creator><creator>Gong, M.</creator><creator>Xue, S.</creator><creator>Ding, J.</creator><creator>Li, Jin</creator><creator>Cho, J.</creator><creator>Niu, T.</creator><creator>Su, Ruizhe</creator><creator>Richter, N.A.</creator><creator>Wang, H.</creator><creator>Wang, J.</creator><creator>Zhang, X.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OTOTI</scope></search><sort><creationdate>20201015</creationdate><title>Deformation behavior and phase transformation of nanotwinned Al/Ti multilayers</title><author>Zhang, Y.F. ; Li, Qiang ; Gong, M. ; Xue, S. ; Ding, J. ; Li, Jin ; Cho, J. ; Niu, T. ; Su, Ruizhe ; Richter, N.A. ; Wang, H. ; Wang, J. ; Zhang, X.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c379t-cad1a0bc5b6c3be5be23950e0d1e2bbc1dd0ca39ac4eb29de6e763a114f41a773</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Al/Ti multilayer</topic><topic>In situ micropillar compression</topic><topic>MD simulation</topic><topic>Nanotwin</topic><topic>Phase transformation</topic><topic>Sputtering</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Y.F.</creatorcontrib><creatorcontrib>Li, Qiang</creatorcontrib><creatorcontrib>Gong, M.</creatorcontrib><creatorcontrib>Xue, S.</creatorcontrib><creatorcontrib>Ding, J.</creatorcontrib><creatorcontrib>Li, Jin</creatorcontrib><creatorcontrib>Cho, J.</creatorcontrib><creatorcontrib>Niu, T.</creatorcontrib><creatorcontrib>Su, Ruizhe</creatorcontrib><creatorcontrib>Richter, N.A.</creatorcontrib><creatorcontrib>Wang, H.</creatorcontrib><creatorcontrib>Wang, J.</creatorcontrib><creatorcontrib>Zhang, X.</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV</collection><jtitle>Applied surface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Y.F.</au><au>Li, Qiang</au><au>Gong, M.</au><au>Xue, S.</au><au>Ding, J.</au><au>Li, Jin</au><au>Cho, J.</au><au>Niu, T.</au><au>Su, Ruizhe</au><au>Richter, N.A.</au><au>Wang, H.</au><au>Wang, J.</au><au>Zhang, X.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Deformation behavior and phase transformation of nanotwinned Al/Ti multilayers</atitle><jtitle>Applied surface science</jtitle><date>2020-10-15</date><risdate>2020</risdate><volume>527</volume><issue>C</issue><spage>146776</spage><pages>146776-</pages><artnum>146776</artnum><issn>0169-4332</issn><eissn>1873-5584</eissn><abstract>[Display omitted]
•The deformation mechanisms of nanotwinned Al/Ti multilayers were investigated by using in situ micropillar compression tests.•Nanotwinned Al/Ti multilayers exhibit flow stress up to 2.4 GPa and good work hardening capability.•Deformation induced stacking faults and HCP-to-FCC phase transformation were revealed in Ti.•Molecular dynamics simulations elucidate the mechanisms of deformation induced phase transformation in Ti.
Nanotwinned Al/Ti multilayers have exhibited size-dependent microstructure evolution and high strength. However, their deformation mechanisms are less well understood. In this work, we investigated the deformation mechanisms of nanotwinned Al/Ti multilayers with FCC/HCP layer interfaces by using in situ micropillar compression tests. Nanotwinned Al/Ti multilayers exhibit compressive strength up to 2.4 GPa and good work hardening capability. Post-compression TEM analyses reveal high-density stacking faults and the HCP-to-FCC phase transformations in Ti. Molecular dynamics simulations elucidate the mechanisms of deformation induced phase transformation in Ti and the influence of collective movement of partial dislocations on the deformability of Al/Ti multilayers.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><doi>10.1016/j.apsusc.2020.146776</doi><oa>free_for_read</oa></addata></record> |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Al/Ti multilayer In situ micropillar compression MD simulation Nanotwin Phase transformation Sputtering |
| title | Deformation behavior and phase transformation of nanotwinned Al/Ti multilayers |
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