Surface effect of acoustic anisotropy during plastic deformation of metals
The work is devoted to investigation of the surface effect of acoustic anisotropy detected in specimens cut from rolled aluminum sheet and destroyed after uniaxial inelastic tensile tests. It is caused by the collective influence of systems of microcracks localized in the surface layer of metal on t...
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| creator | Tretyakov, D. A. Belyaev, A. K. |
| description | The work is devoted to investigation of the surface effect of acoustic anisotropy detected in specimens cut from rolled aluminum sheet and destroyed after uniaxial inelastic tensile tests. It is caused by the collective influence of systems of microcracks localized in the surface layer of metal on the phase shift between velocities of orthogonally polarized bulk transverse waves. The removal of a thin 220 µm surface layer in a 20 mm thick aluminum specimen leads to a sevenfold change in the integral value of acoustic anisotropy. The dependence of the value of acoustic anisotropy on the thickness of the removed surface layer has a damped oscillating behavior. The method of angular diagrams of acoustic anisotropy is used to study the surface effect and residual plastic deformations. The weakening of the surface results in a qualitative change in the shape of angular diagrams of acoustic anisotropy. The obtained result can be applied to independent estimation of accumulated plastic deformations and damage in metals using acoustic anisotropy. |
| doi_str_mv | 10.1063/1.5135123 |
| format | Conference Proceeding |
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A. ; Belyaev, A. K.</creator><contributor>Gorkunov, Eduard S. ; Panin, Victor E. ; Ramasubbu, Sunder</contributor><creatorcontrib>Tretyakov, D. A. ; Belyaev, A. K. ; Gorkunov, Eduard S. ; Panin, Victor E. ; Ramasubbu, Sunder</creatorcontrib><description>The work is devoted to investigation of the surface effect of acoustic anisotropy detected in specimens cut from rolled aluminum sheet and destroyed after uniaxial inelastic tensile tests. It is caused by the collective influence of systems of microcracks localized in the surface layer of metal on the phase shift between velocities of orthogonally polarized bulk transverse waves. The removal of a thin 220 µm surface layer in a 20 mm thick aluminum specimen leads to a sevenfold change in the integral value of acoustic anisotropy. The dependence of the value of acoustic anisotropy on the thickness of the removed surface layer has a damped oscillating behavior. The method of angular diagrams of acoustic anisotropy is used to study the surface effect and residual plastic deformations. The weakening of the surface results in a qualitative change in the shape of angular diagrams of acoustic anisotropy. The obtained result can be applied to independent estimation of accumulated plastic deformations and damage in metals using acoustic anisotropy.</description><identifier>ISSN: 0094-243X</identifier><identifier>EISSN: 1551-7616</identifier><identifier>DOI: 10.1063/1.5135123</identifier><identifier>CODEN: APCPCS</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Acoustics ; Aluminum ; Anisotropy ; Damage accumulation ; Deformation effects ; Dependence ; Metal sheets ; Microcracks ; Plastic deformation ; Surface layers ; Tensile tests ; Transverse waves</subject><ispartof>AIP conference proceedings, 2019, Vol.2176 (1)</ispartof><rights>Author(s)</rights><rights>2019 Author(s). 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K.</creatorcontrib><title>Surface effect of acoustic anisotropy during plastic deformation of metals</title><title>AIP conference proceedings</title><description>The work is devoted to investigation of the surface effect of acoustic anisotropy detected in specimens cut from rolled aluminum sheet and destroyed after uniaxial inelastic tensile tests. It is caused by the collective influence of systems of microcracks localized in the surface layer of metal on the phase shift between velocities of orthogonally polarized bulk transverse waves. The removal of a thin 220 µm surface layer in a 20 mm thick aluminum specimen leads to a sevenfold change in the integral value of acoustic anisotropy. The dependence of the value of acoustic anisotropy on the thickness of the removed surface layer has a damped oscillating behavior. The method of angular diagrams of acoustic anisotropy is used to study the surface effect and residual plastic deformations. The weakening of the surface results in a qualitative change in the shape of angular diagrams of acoustic anisotropy. The obtained result can be applied to independent estimation of accumulated plastic deformations and damage in metals using acoustic anisotropy.</description><subject>Acoustics</subject><subject>Aluminum</subject><subject>Anisotropy</subject><subject>Damage accumulation</subject><subject>Deformation effects</subject><subject>Dependence</subject><subject>Metal sheets</subject><subject>Microcracks</subject><subject>Plastic deformation</subject><subject>Surface layers</subject><subject>Tensile tests</subject><subject>Transverse waves</subject><issn>0094-243X</issn><issn>1551-7616</issn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2019</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNp9kM1LAzEQxYMoWKsH_4MFb8LWTKbJbo5S_KTgQQVvIZsP2dJu1iQr9L93WwvenMs7zG_eGx4hl0BnQAXewIwDcmB4RCbAOZSVAHFMJpTKecnm-HFKzlJaUcpkVdUT8vw6RK-NK5z3zuQi-EKbMKTcmkJ3bQo5hn5b2CG23WfRr_V-Y50PcaNzG7rdxcZlvU7n5MSP4i4OOiXv93dvi8dy-fLwtLhdlj2r61xyYww2DbNWNJJLACuxNlazcaxtmJaC116IOQVdGcs4emMpGmsaLZAiTsnVr28fw9fgUlarMMRujFQMgQsmJciRuv6lkmnz_lPVx3aj41YBVbuuFKhDV__B3yH-gaq3Hn8AGJNq-Q</recordid><startdate>20191119</startdate><enddate>20191119</enddate><creator>Tretyakov, D. A.</creator><creator>Belyaev, A. K.</creator><general>American Institute of Physics</general><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20191119</creationdate><title>Surface effect of acoustic anisotropy during plastic deformation of metals</title><author>Tretyakov, D. A. ; Belyaev, A. K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p288t-5ccc3bb2dd6b95911d938cda2222ddb2a9658f66401a7cd253fcd03cdcba63033</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Acoustics</topic><topic>Aluminum</topic><topic>Anisotropy</topic><topic>Damage accumulation</topic><topic>Deformation effects</topic><topic>Dependence</topic><topic>Metal sheets</topic><topic>Microcracks</topic><topic>Plastic deformation</topic><topic>Surface layers</topic><topic>Tensile tests</topic><topic>Transverse waves</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tretyakov, D. A.</creatorcontrib><creatorcontrib>Belyaev, A. K.</creatorcontrib><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tretyakov, D. A.</au><au>Belyaev, A. K.</au><au>Gorkunov, Eduard S.</au><au>Panin, Victor E.</au><au>Ramasubbu, Sunder</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Surface effect of acoustic anisotropy during plastic deformation of metals</atitle><btitle>AIP conference proceedings</btitle><date>2019-11-19</date><risdate>2019</risdate><volume>2176</volume><issue>1</issue><issn>0094-243X</issn><eissn>1551-7616</eissn><coden>APCPCS</coden><abstract>The work is devoted to investigation of the surface effect of acoustic anisotropy detected in specimens cut from rolled aluminum sheet and destroyed after uniaxial inelastic tensile tests. It is caused by the collective influence of systems of microcracks localized in the surface layer of metal on the phase shift between velocities of orthogonally polarized bulk transverse waves. The removal of a thin 220 µm surface layer in a 20 mm thick aluminum specimen leads to a sevenfold change in the integral value of acoustic anisotropy. The dependence of the value of acoustic anisotropy on the thickness of the removed surface layer has a damped oscillating behavior. The method of angular diagrams of acoustic anisotropy is used to study the surface effect and residual plastic deformations. The weakening of the surface results in a qualitative change in the shape of angular diagrams of acoustic anisotropy. The obtained result can be applied to independent estimation of accumulated plastic deformations and damage in metals using acoustic anisotropy.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.5135123</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0094-243X |
| ispartof | AIP conference proceedings, 2019, Vol.2176 (1) |
| issn | 0094-243X 1551-7616 |
| language | eng |
| recordid | cdi_scitation_primary_10_1063_1_5135123 |
| source | AIP Journals Complete |
| subjects | Acoustics Aluminum Anisotropy Damage accumulation Deformation effects Dependence Metal sheets Microcracks Plastic deformation Surface layers Tensile tests Transverse waves |
| title | Surface effect of acoustic anisotropy during plastic deformation of metals |
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