Investigation of influence of preparation and heat treatment on deformation behaviour of the alloy NiTi after ECAE
The work objective was focused on investigation of deformation behaviour of NiTi-based shape memory alloys with respect to technology of their preparation. Deformation behaviour was assessed by unconventional forming methods, particularly by equal channel angular extrusion (ECAE)—but in combination...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2009-06, Vol.512 (1), p.100-104 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Kocich, Radim Szurman, Ivo Kursa, Miroslav Fiala, Jaroslav |
| description | The work objective was focused on investigation of deformation behaviour of NiTi-based shape memory alloys with respect to technology of their preparation. Deformation behaviour was assessed by unconventional forming methods, particularly by equal channel angular extrusion (ECAE)—but in combination with preceding rotary forging (swaging). Classical light microscopy, as well as X-ray diffraction, was used for evaluation of structural framework of castings and of material after forming. It was established that the alloy Ni50.6–Ti (at.%) after ECAE and re-crystallisation annealing shows bi-modal distribution of mosaic blocks, i.e. mosaic blocks larger than 10
μm and blocks smaller than 10
μm. For determination of re-crystallisation temperature in deformed materials 7 modes of heat treatment were applied. It was proven that the temperature of 600
°C was the starting temperature that initiated re-crystallisation. |
| doi_str_mv | 10.1016/j.msea.2009.01.054 |
| format | Article |
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μm and blocks smaller than 10
μm. For determination of re-crystallisation temperature in deformed materials 7 modes of heat treatment were applied. It was proven that the temperature of 600
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μm and blocks smaller than 10
μm. For determination of re-crystallisation temperature in deformed materials 7 modes of heat treatment were applied. It was proven that the temperature of 600
°C was the starting temperature that initiated re-crystallisation.</description><subject>Applied sciences</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>ECAE</subject><subject>Exact sciences and technology</subject><subject>Forming</subject><subject>Heat treatment</subject><subject>Materials science</subject><subject>Metals. Metallurgy</subject><subject>Other heat and thermomechanical treatments</subject><subject>Physics</subject><subject>Production techniques</subject><subject>RTG</subject><subject>Shape memory alloy</subject><subject>Swaging</subject><subject>Thermomechanical treatment</subject><subject>Treatment of materials and its effects on microstructure and properties</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNp9kUFv2yAYhq1qk5p1_QM9cdl2sgd82ARplyrKtkrVdunOCMPHQmSbDEik_vvacrVjLyDgeV8ET1XdMdowyrqvx2bMaBpOqWooa2grrqoN20qohYLuXbWhirO6pQquqw85HymlTNB2U6WH6YK5hL-mhDiR6EmY_HDGyeKyOCU8mbSemcmRA5pCSprHEadC5l2HPqZxJXo8mEuI57REywGJGYb4TH6Fp0CML5jIfne__1i992bIePs631R_vu-fdj_rx98_Hnb3j7UFBaXuLHS2bXHr-x5la4FtuUAGnePOCiak771CkEY6lNKBog6c4D2gUNJZDzfVl7X3lOK_8_xIPYZscRjMhPGctaLQAXClZvLzmyQIwWQHcgb5CtoUc07o9SmF0aRnzaheROijXkToRYSmTM8i5tCn13aTrRl8MpMN-X-Ss5ZSyZfybyuH86dcAiadbVhEuJDQFu1ieOuaF1j3n9o</recordid><startdate>20090625</startdate><enddate>20090625</enddate><creator>Kocich, Radim</creator><creator>Szurman, Ivo</creator><creator>Kursa, Miroslav</creator><creator>Fiala, Jaroslav</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20090625</creationdate><title>Investigation of influence of preparation and heat treatment on deformation behaviour of the alloy NiTi after ECAE</title><author>Kocich, Radim ; Szurman, Ivo ; Kursa, Miroslav ; Fiala, Jaroslav</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c393t-6c36c55e8fbbe75c31824e136d2dc4147fbf9e37a7de77d390d3d42b3e497dcf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Applied sciences</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>ECAE</topic><topic>Exact sciences and technology</topic><topic>Forming</topic><topic>Heat treatment</topic><topic>Materials science</topic><topic>Metals. Metallurgy</topic><topic>Other heat and thermomechanical treatments</topic><topic>Physics</topic><topic>Production techniques</topic><topic>RTG</topic><topic>Shape memory alloy</topic><topic>Swaging</topic><topic>Thermomechanical treatment</topic><topic>Treatment of materials and its effects on microstructure and properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kocich, Radim</creatorcontrib><creatorcontrib>Szurman, Ivo</creatorcontrib><creatorcontrib>Kursa, Miroslav</creatorcontrib><creatorcontrib>Fiala, Jaroslav</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kocich, Radim</au><au>Szurman, Ivo</au><au>Kursa, Miroslav</au><au>Fiala, Jaroslav</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation of influence of preparation and heat treatment on deformation behaviour of the alloy NiTi after ECAE</atitle><jtitle>Materials science & engineering. A, Structural materials : properties, microstructure and processing</jtitle><date>2009-06-25</date><risdate>2009</risdate><volume>512</volume><issue>1</issue><spage>100</spage><epage>104</epage><pages>100-104</pages><issn>0921-5093</issn><eissn>1873-4936</eissn><abstract>The work objective was focused on investigation of deformation behaviour of NiTi-based shape memory alloys with respect to technology of their preparation. Deformation behaviour was assessed by unconventional forming methods, particularly by equal channel angular extrusion (ECAE)—but in combination with preceding rotary forging (swaging). Classical light microscopy, as well as X-ray diffraction, was used for evaluation of structural framework of castings and of material after forming. It was established that the alloy Ni50.6–Ti (at.%) after ECAE and re-crystallisation annealing shows bi-modal distribution of mosaic blocks, i.e. mosaic blocks larger than 10
μm and blocks smaller than 10
μm. For determination of re-crystallisation temperature in deformed materials 7 modes of heat treatment were applied. It was proven that the temperature of 600
°C was the starting temperature that initiated re-crystallisation.</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.msea.2009.01.054</doi><tpages>5</tpages></addata></record> |
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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2009-06, Vol.512 (1), p.100-104 |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Applied sciences Cross-disciplinary physics: materials science rheology ECAE Exact sciences and technology Forming Heat treatment Materials science Metals. Metallurgy Other heat and thermomechanical treatments Physics Production techniques RTG Shape memory alloy Swaging Thermomechanical treatment Treatment of materials and its effects on microstructure and properties |
| title | Investigation of influence of preparation and heat treatment on deformation behaviour of the alloy NiTi after ECAE |
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