Improving fatigue strength of bainite/martensite dual-phase steels in very high cycle fatigue regime by refining microstructures
Very high cycle fatigue behaviors of two bainite/martensite dual-phase steels were investigated. One of the steels was cyclic rapid heat treated and its microstructures were refined. Fatigue strength of the steel is 225 MPa higher than that without refining. Observation of fracture surfaces show tha...
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| Veröffentlicht in: | Theoretical and applied mechanics letters 2012-01, Vol.2 (3), p.15-18, Article 031005 |
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| creator | Liu, Yangbo Li, Shouxin Yang, Zhengou Cui, Jingyu Gu, Jialin Bai, Bingzhe |
| description | Very high cycle fatigue behaviors of two bainite/martensite dual-phase steels were investigated. One of the steels was cyclic rapid heat treated and its microstructures were refined. Fatigue strength of the steel is 225 MPa higher than that without refining. Observation of fracture surfaces show that the fatigue cracks initiate at bainites for non-refined steel and at non-metallic inclusions for the refined steel. The size of inclusions is much smaller than that of bainites which results in the improvement of fatigue strength. |
| doi_str_mv | 10.1063/2.1203105 |
| format | Article |
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One of the steels was cyclic rapid heat treated and its microstructures were refined. Fatigue strength of the steel is 225 MPa higher than that without refining. Observation of fracture surfaces show that the fatigue cracks initiate at bainites for non-refined steel and at non-metallic inclusions for the refined steel. The size of inclusions is much smaller than that of bainites which results in the improvement of fatigue strength.</description><identifier>ISSN: 2095-0349</identifier><identifier>EISSN: 2095-0349</identifier><identifier>DOI: 10.1063/2.1203105</identifier><identifier>CODEN: TAMLBX</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>duplex-phase steel ; fatigue strength ; refining microstructure ; very high cycle fatigue ; 双相钢 ; 循环疲劳 ; 微观结构 ; 炼油 ; 疲劳强度 ; 贝氏体 ; 非金属夹杂物 ; 马氏体</subject><ispartof>Theoretical and applied mechanics letters, 2012-01, Vol.2 (3), p.15-18, Article 031005</ispartof><rights>2012 The Chinese Society of Theoretical and Applied Mechanics</rights><rights>The Chinese Society of Theoretical and Applied Mechanics</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c389t-85536173bbdb1afa4ce0c87535f10d41f8b99b3a497666c4abf704923e456fef3</citedby><cites>FETCH-LOGICAL-c389t-85536173bbdb1afa4ce0c87535f10d41f8b99b3a497666c4abf704923e456fef3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/71275X/71275X.jpg</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Liu, Yangbo</creatorcontrib><creatorcontrib>Li, Shouxin</creatorcontrib><creatorcontrib>Yang, Zhengou</creatorcontrib><creatorcontrib>Cui, Jingyu</creatorcontrib><creatorcontrib>Gu, Jialin</creatorcontrib><creatorcontrib>Bai, Bingzhe</creatorcontrib><title>Improving fatigue strength of bainite/martensite dual-phase steels in very high cycle fatigue regime by refining microstructures</title><title>Theoretical and applied mechanics letters</title><addtitle>Theoretical and Applied Mechanics Letters</addtitle><description>Very high cycle fatigue behaviors of two bainite/martensite dual-phase steels were investigated. One of the steels was cyclic rapid heat treated and its microstructures were refined. Fatigue strength of the steel is 225 MPa higher than that without refining. Observation of fracture surfaces show that the fatigue cracks initiate at bainites for non-refined steel and at non-metallic inclusions for the refined steel. The size of inclusions is much smaller than that of bainites which results in the improvement of fatigue strength.</description><subject>duplex-phase steel</subject><subject>fatigue strength</subject><subject>refining microstructure</subject><subject>very high cycle fatigue</subject><subject>双相钢</subject><subject>循环疲劳</subject><subject>微观结构</subject><subject>炼油</subject><subject>疲劳强度</subject><subject>贝氏体</subject><subject>非金属夹杂物</subject><subject>马氏体</subject><issn>2095-0349</issn><issn>2095-0349</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqNkE9LwzAYxosoOOYOfoN4VOiWNEnbXAQR_wwEL3oOafqmjWztTLLBbn50UzaHBxVzyXv4vc_zPk-SnBM8JTins2xKMkwJ5kfJKMOCp5gycfxtPk0m3r_h-DjJqaCj5GO-XLl-Y7sGGRVsswbkg4OuCS3qDaqU7WyA2VK5AJ2PI6rXapGuWuUHEmDhke3QBtwWtbZpkd7qBRy0HDR2CajaxslEqWiztNr10WOtw9qBP0tOjFp4mOz_cfJ6f_dy-5g-PT_Mb2-eUk1LEdKSc5qTglZVXRFlFNOAdVlwyg3BNSOmrISoqGKiyPNcM1WZAjORUWA8N2DoOLnc6Q7uPl4jV87GWFtJsBzak5nctxfZ6x3rtQ0xSd_9Dh_6k_vM0ococPVvgb_gTe8kkazIOC-4XNVDDLqDY_GwseBk3IJOQ20d6CDr3v5ocbEP3_Zd8z5c-2XBSJkXBRP0Ey20spk</recordid><startdate>20120101</startdate><enddate>20120101</enddate><creator>Liu, Yangbo</creator><creator>Li, Shouxin</creator><creator>Yang, Zhengou</creator><creator>Cui, Jingyu</creator><creator>Gu, Jialin</creator><creator>Bai, Bingzhe</creator><general>Elsevier Ltd</general><general>The Chinese Society of Theoretical and Applied Mechanics</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>~WA</scope><scope>6I.</scope><scope>AAFTH</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20120101</creationdate><title>Improving fatigue strength of bainite/martensite dual-phase steels in very high cycle fatigue regime by refining microstructures</title><author>Liu, Yangbo ; Li, Shouxin ; Yang, Zhengou ; Cui, Jingyu ; Gu, Jialin ; Bai, Bingzhe</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c389t-85536173bbdb1afa4ce0c87535f10d41f8b99b3a497666c4abf704923e456fef3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>duplex-phase steel</topic><topic>fatigue strength</topic><topic>refining microstructure</topic><topic>very high cycle fatigue</topic><topic>双相钢</topic><topic>循环疲劳</topic><topic>微观结构</topic><topic>炼油</topic><topic>疲劳强度</topic><topic>贝氏体</topic><topic>非金属夹杂物</topic><topic>马氏体</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Yangbo</creatorcontrib><creatorcontrib>Li, Shouxin</creatorcontrib><creatorcontrib>Yang, Zhengou</creatorcontrib><creatorcontrib>Cui, Jingyu</creatorcontrib><creatorcontrib>Gu, Jialin</creatorcontrib><creatorcontrib>Bai, Bingzhe</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>CrossRef</collection><jtitle>Theoretical and applied mechanics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Yangbo</au><au>Li, Shouxin</au><au>Yang, Zhengou</au><au>Cui, Jingyu</au><au>Gu, Jialin</au><au>Bai, Bingzhe</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Improving fatigue strength of bainite/martensite dual-phase steels in very high cycle fatigue regime by refining microstructures</atitle><jtitle>Theoretical and applied mechanics letters</jtitle><addtitle>Theoretical and Applied Mechanics Letters</addtitle><date>2012-01-01</date><risdate>2012</risdate><volume>2</volume><issue>3</issue><spage>15</spage><epage>18</epage><pages>15-18</pages><artnum>031005</artnum><issn>2095-0349</issn><eissn>2095-0349</eissn><coden>TAMLBX</coden><abstract>Very high cycle fatigue behaviors of two bainite/martensite dual-phase steels were investigated. One of the steels was cyclic rapid heat treated and its microstructures were refined. Fatigue strength of the steel is 225 MPa higher than that without refining. Observation of fracture surfaces show that the fatigue cracks initiate at bainites for non-refined steel and at non-metallic inclusions for the refined steel. The size of inclusions is much smaller than that of bainites which results in the improvement of fatigue strength.</abstract><pub>Elsevier Ltd</pub><doi>10.1063/2.1203105</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Theoretical and applied mechanics letters, 2012-01, Vol.2 (3), p.15-18, Article 031005 |
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| language | eng |
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| source | EZB-FREE-00999 freely available EZB journals |
| subjects | duplex-phase steel fatigue strength refining microstructure very high cycle fatigue 双相钢 循环疲劳 微观结构 炼油 疲劳强度 贝氏体 非金属夹杂物 马氏体 |
| title | Improving fatigue strength of bainite/martensite dual-phase steels in very high cycle fatigue regime by refining microstructures |
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