Effect of Precipitation State on Strength and Toughness of Precipitation Hardened Hot Rolled Steel Sheet
In this work, to clarify the effect of carbide precipitation state on strength and toughness, Ti,V alloyed precipitation hardened ferrite single phase steel sheets with different carbide size were investigated. In order to change the precipitated particle size, cooling conditions after hot rolling w...
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| Veröffentlicht in: | Materials science forum 2018-12, Vol.941, p.334-339 |
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| creator | Yokoyama, Takafumi Taniguchi, Shunsuke |
| description | In this work, to clarify the effect of carbide precipitation state on strength and toughness, Ti,V alloyed precipitation hardened ferrite single phase steel sheets with different carbide size were investigated. In order to change the precipitated particle size, cooling conditions after hot rolling were changed. Under condition A, steel sheets were cooled to 873K by water spray (for fine precipitation). Under condition B, steel sheets were air-cooled from 1053K for 20sec, then cooled by water spray to 873K (for coarse precipitation). The experimental results were following. The balance of tensile strength and Charpy absorbed energy was better in condition B. (Ti,V)C were observed in both conditions, but the size of (Ti,V)C were larger in condition B. From the above, it was suggested that as the carbide size become larger, the decrease in toughness per strengthening amount becomes smaller. |
| doi_str_mv | 10.4028/www.scientific.net/MSF.941.334 |
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In order to change the precipitated particle size, cooling conditions after hot rolling were changed. Under condition A, steel sheets were cooled to 873K by water spray (for fine precipitation). Under condition B, steel sheets were air-cooled from 1053K for 20sec, then cooled by water spray to 873K (for coarse precipitation). The experimental results were following. The balance of tensile strength and Charpy absorbed energy was better in condition B. (Ti,V)C were observed in both conditions, but the size of (Ti,V)C were larger in condition B. From the above, it was suggested that as the carbide size become larger, the decrease in toughness per strengthening amount becomes smaller.</description><identifier>ISSN: 0255-5476</identifier><identifier>ISSN: 1662-9752</identifier><identifier>EISSN: 1662-9752</identifier><identifier>DOI: 10.4028/www.scientific.net/MSF.941.334</identifier><language>eng</language><publisher>Pfaffikon: Trans Tech Publications Ltd</publisher><subject>Carbides ; Cooling ; Grain boundaries ; Grain size ; Hot rolling ; Hot-rolled steel ; Impact strength ; Materials science ; Mechanical properties ; Metal sheets ; Microstructure ; Precipitation hardening ; Precipitation hardening steels ; Steel ; Tensile strength ; Titanium ; Toughness ; Vanadium</subject><ispartof>Materials science forum, 2018-12, Vol.941, p.334-339</ispartof><rights>2018 Trans Tech Publications Ltd</rights><rights>Copyright Trans Tech Publications Ltd. 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In order to change the precipitated particle size, cooling conditions after hot rolling were changed. Under condition A, steel sheets were cooled to 873K by water spray (for fine precipitation). Under condition B, steel sheets were air-cooled from 1053K for 20sec, then cooled by water spray to 873K (for coarse precipitation). The experimental results were following. The balance of tensile strength and Charpy absorbed energy was better in condition B. (Ti,V)C were observed in both conditions, but the size of (Ti,V)C were larger in condition B. From the above, it was suggested that as the carbide size become larger, the decrease in toughness per strengthening amount becomes smaller.</description><subject>Carbides</subject><subject>Cooling</subject><subject>Grain boundaries</subject><subject>Grain size</subject><subject>Hot rolling</subject><subject>Hot-rolled steel</subject><subject>Impact strength</subject><subject>Materials science</subject><subject>Mechanical properties</subject><subject>Metal sheets</subject><subject>Microstructure</subject><subject>Precipitation hardening</subject><subject>Precipitation hardening steels</subject><subject>Steel</subject><subject>Tensile strength</subject><subject>Titanium</subject><subject>Toughness</subject><subject>Vanadium</subject><issn>0255-5476</issn><issn>1662-9752</issn><issn>1662-9752</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqNkM9LwzAYhoMoOKf_Q0Dw1i5p86sXUcbmhIli5zl06de1Y6YzyRj-90Yn7ODF0_sevu954UHohpKUkUyN9vt96k0HNnRNZ1ILYfRUTtOC0TTP2QkaUCGypJA8O0UDknGecCbFObrwfk1IThUVA9ROmgZMwH2DXxyYbtuFKnS9xWVMwD_FgV2FFle2xot-t2oteP_3YVa5GizUeNYH_NpvNrGWAWCDyxYgXKKzptp4uPrNIXqbThbjWTJ_fngc388TkxU8JLwwolYFU2JJgTLeCLmkEggnkpNagCKE5pIDV1wyRpkyXKkmM7nK6toImQ_R9YG7df3HDnzQ637nbJzUGS2KnHAqeby6PVwZ13vvoNFb171X7lNTor_t6mhXH-3qaFdHuzra1dFuBNwdAMFV1gcw7XHnn4gvkpOLVA</recordid><startdate>20181226</startdate><enddate>20181226</enddate><creator>Yokoyama, Takafumi</creator><creator>Taniguchi, Shunsuke</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SR</scope><scope>7XB</scope><scope>88I</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>M2P</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope></search><sort><creationdate>20181226</creationdate><title>Effect of Precipitation State on Strength and Toughness of Precipitation Hardened Hot Rolled Steel Sheet</title><author>Yokoyama, Takafumi ; Taniguchi, Shunsuke</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c295t-59c6d89486b1e145f67b17e050750d6e8001375e585744148c588f2c382ddc673</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Carbides</topic><topic>Cooling</topic><topic>Grain boundaries</topic><topic>Grain size</topic><topic>Hot rolling</topic><topic>Hot-rolled steel</topic><topic>Impact strength</topic><topic>Materials science</topic><topic>Mechanical properties</topic><topic>Metal sheets</topic><topic>Microstructure</topic><topic>Precipitation hardening</topic><topic>Precipitation hardening steels</topic><topic>Steel</topic><topic>Tensile strength</topic><topic>Titanium</topic><topic>Toughness</topic><topic>Vanadium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yokoyama, Takafumi</creatorcontrib><creatorcontrib>Taniguchi, Shunsuke</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Engineered Materials Abstracts</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Science Database (Alumni Edition)</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Science Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest Central Basic</collection><jtitle>Materials science forum</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yokoyama, Takafumi</au><au>Taniguchi, Shunsuke</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of Precipitation State on Strength and Toughness of Precipitation Hardened Hot Rolled Steel Sheet</atitle><jtitle>Materials science forum</jtitle><date>2018-12-26</date><risdate>2018</risdate><volume>941</volume><spage>334</spage><epage>339</epage><pages>334-339</pages><issn>0255-5476</issn><issn>1662-9752</issn><eissn>1662-9752</eissn><abstract>In this work, to clarify the effect of carbide precipitation state on strength and toughness, Ti,V alloyed precipitation hardened ferrite single phase steel sheets with different carbide size were investigated. In order to change the precipitated particle size, cooling conditions after hot rolling were changed. Under condition A, steel sheets were cooled to 873K by water spray (for fine precipitation). Under condition B, steel sheets were air-cooled from 1053K for 20sec, then cooled by water spray to 873K (for coarse precipitation). The experimental results were following. The balance of tensile strength and Charpy absorbed energy was better in condition B. (Ti,V)C were observed in both conditions, but the size of (Ti,V)C were larger in condition B. From the above, it was suggested that as the carbide size become larger, the decrease in toughness per strengthening amount becomes smaller.</abstract><cop>Pfaffikon</cop><pub>Trans Tech Publications Ltd</pub><doi>10.4028/www.scientific.net/MSF.941.334</doi><tpages>6</tpages></addata></record> |
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| subjects | Carbides Cooling Grain boundaries Grain size Hot rolling Hot-rolled steel Impact strength Materials science Mechanical properties Metal sheets Microstructure Precipitation hardening Precipitation hardening steels Steel Tensile strength Titanium Toughness Vanadium |
| title | Effect of Precipitation State on Strength and Toughness of Precipitation Hardened Hot Rolled Steel Sheet |
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