Microstructure and mechanical properties of friction stir welded ferrite-martensite DP700 steel
In the present work, friction stir welding technique was applied on 2 mm thick ferrite-martensite DP700 steel sheets at rotational speeds of 600, 800 and 1000 rpm. The microstructure and mechanical properties of the welds were evaluated. It was found that Zener-Hollomon parameter decreased with incr...
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| Veröffentlicht in: | Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2018-11, Vol.737, p.213-222 |
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| container_title | Materials science & engineering. A, Structural materials : properties, microstructure and processing |
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| creator | Mahmoudiniya, Mahdi Kokabi, Amir Hossein Kheirandish, Shahram Kestens, Leo A.I. |
| description | In the present work, friction stir welding technique was applied on 2 mm thick ferrite-martensite DP700 steel sheets at rotational speeds of 600, 800 and 1000 rpm. The microstructure and mechanical properties of the welds were evaluated. It was found that Zener-Hollomon parameter decreased with increasing rotational speed that leads to grain coarsening in the stir zone. It was also found that increment of rotational speed increased softening phenomenon in sub-critical heat affected zone. The results also showed that the presence of WC particles in the stir zone, which was due to the tool wear, as well as formation of a soft ferrite band degrade the tensile properties at rotational speed of 600 rpm while HAZ softening was responsible for reduction of strength and ductility in conditions of 800 and 1000 rpm. |
| doi_str_mv | 10.1016/j.msea.2018.09.013 |
| format | Article |
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The microstructure and mechanical properties of the welds were evaluated. It was found that Zener-Hollomon parameter decreased with increasing rotational speed that leads to grain coarsening in the stir zone. It was also found that increment of rotational speed increased softening phenomenon in sub-critical heat affected zone. The results also showed that the presence of WC particles in the stir zone, which was due to the tool wear, as well as formation of a soft ferrite band degrade the tensile properties at rotational speed of 600 rpm while HAZ softening was responsible for reduction of strength and ductility in conditions of 800 and 1000 rpm.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2018.09.013</identifier><language>eng</language><publisher>Lausanne: Elsevier B.V</publisher><subject>Coarsening ; DP700 steel ; EBSD analysis ; Ferrites ; Friction stir welding ; Heat affected zone ; Martensite ; Mechanical properties ; Metal sheets ; Microstructure ; Softening ; Tensile properties ; Tool wear ; Welded joints</subject><ispartof>Materials science & engineering. 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The results also showed that the presence of WC particles in the stir zone, which was due to the tool wear, as well as formation of a soft ferrite band degrade the tensile properties at rotational speed of 600 rpm while HAZ softening was responsible for reduction of strength and ductility in conditions of 800 and 1000 rpm.</description><subject>Coarsening</subject><subject>DP700 steel</subject><subject>EBSD analysis</subject><subject>Ferrites</subject><subject>Friction stir welding</subject><subject>Heat affected zone</subject><subject>Martensite</subject><subject>Mechanical properties</subject><subject>Metal sheets</subject><subject>Microstructure</subject><subject>Softening</subject><subject>Tensile properties</subject><subject>Tool wear</subject><subject>Welded joints</subject><issn>0921-5093</issn><issn>1873-4936</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp9kM1OwzAQhC0EEqXwApwscU5Y24mdSFwQ_1IRHOBsufZauGqTYjsg3h5X5cxp9zCzO_MRcs6gZsDk5areJDQ1B9bV0NfAxAGZsU6JqumFPCQz6DmrWujFMTlJaQUArIF2RvRzsHFMOU42TxGpGRzdoP0wQ7BmTbdx3GLMARMdPfUx2BzGgaYcIv3GtUNHPcYYMlYbEzMOqaz09lUBFBHi-pQcebNOePY35-T9_u7t5rFavDw83VwvKit4lyvvhHMMuWScSWyVVyD7TlppmRNWGhAN9610SjTKMmuxsW235KbxTpmlWYo5udjfLYk_J0xZr8YpDuWl5qxVjRLQyKLie9Wuc4ro9TaGEvxHM9A7kHqldyD1DqSGXheQxXS1N2HJ_xUw6mQDDhZdiGizdmP4z_4L3uB9cw</recordid><startdate>20181108</startdate><enddate>20181108</enddate><creator>Mahmoudiniya, Mahdi</creator><creator>Kokabi, Amir Hossein</creator><creator>Kheirandish, Shahram</creator><creator>Kestens, Leo A.I.</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20181108</creationdate><title>Microstructure and mechanical properties of friction stir welded ferrite-martensite DP700 steel</title><author>Mahmoudiniya, Mahdi ; Kokabi, Amir Hossein ; Kheirandish, Shahram ; Kestens, Leo A.I.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c328t-fd3dd1e261216e57f706986c6c1d3c6a0342f56d7347c1cce4c58b2a4fd7abab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Coarsening</topic><topic>DP700 steel</topic><topic>EBSD analysis</topic><topic>Ferrites</topic><topic>Friction stir welding</topic><topic>Heat affected zone</topic><topic>Martensite</topic><topic>Mechanical properties</topic><topic>Metal sheets</topic><topic>Microstructure</topic><topic>Softening</topic><topic>Tensile properties</topic><topic>Tool wear</topic><topic>Welded joints</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mahmoudiniya, Mahdi</creatorcontrib><creatorcontrib>Kokabi, Amir Hossein</creatorcontrib><creatorcontrib>Kheirandish, Shahram</creatorcontrib><creatorcontrib>Kestens, Leo A.I.</creatorcontrib><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. 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| ispartof | Materials science & engineering. A, Structural materials : properties, microstructure and processing, 2018-11, Vol.737, p.213-222 |
| issn | 0921-5093 1873-4936 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Coarsening DP700 steel EBSD analysis Ferrites Friction stir welding Heat affected zone Martensite Mechanical properties Metal sheets Microstructure Softening Tensile properties Tool wear Welded joints |
| title | Microstructure and mechanical properties of friction stir welded ferrite-martensite DP700 steel |
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