Article(id=1236319266765599443, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236316193171239730, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.03.039, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1670860800000, receivedDateStr=2022-12-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772691082897, onlineDateStr=2026-03-05, pubDate=1685548800000, pubDateStr=2023-06-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772691082897, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772691082897, creator=13701087609, updateTime=1772691082897, updator=13701087609, issue=Issue{id=1236316193171239730, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='3', pageStart='1', pageEnd='179', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772690350096, creator=13701087609, updateTime=1772691872061, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236322576809652696, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236316193171239730, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236322576809652697, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236316193171239730, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=176, endPage=179, ext={EN=ArticleExt(id=1236319267105338099, articleId=1236319266765599443, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Effect of Controlled Cooling After Hot Rolling on Microstructure and Properties of Non-quenched and Tempered Steel F45MnVS, columnId=1236276108207902848, journalTitle=Mining and Metallurgical Engineering, columnName=MATERIALS, runingTitle=null, highlight=null, articleAbstract=

An experiment on non-quenched and tempered steel F45MnVS was carried out by adopting controlled cooling after hot rolling. The mechanical properties, decarburized layer and microstructure of rolled steel without cooling and after controlled cooling process were compared for analysis. The results show that controlled cooling after hot rolling can lead to the steel with yield strength, elongation, section shrinkage and impact energy improved all, and with the decarburized layer being effectively controlled or even "disappeared". With the surface temperature of the hot-rolled steel decreased to 650 ℃, granular bainite begins to occur on the steel surface; with the surface temperature down to 460 ℃, much granular bainite occurs on the steel surface. It is shown that by using controlled cooling after hot rolling, the ferrite and pearlite on the steel surface and near 1/2 radius on the cross section of the steel become fine-grained. The total ferrite net is reduced, and long strip ferrite is transformed to blocky ferrite. Due to larger size, the central part of steel shows little difference in the microstructure.

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对非调质钢F45MnVS进行轧后控制冷却试验,对比了轧后未冷却与控制冷却的钢材热轧态力学性能、脱碳层和显微组织。结果表明,轧后控制冷却对钢材下屈服强度、延伸率、断面收缩率和常温冲击功均有明显改善作用;钢材表面脱碳层在轧后控制冷却条件下可以得到有效控制,甚至脱碳层“消失”;在钢材轧后表面温度冷却至650 ℃时,表层区域出现少量粒状贝氏体,而在钢材轧后表面温度冷却至460 ℃时,表层区域出现大量粒状贝氏体。轧后控制冷却使钢材表层区域和1/2半径附近的铁素体和珠光体组织被细化,铁素体网状比例降低,长条铁素体转变为块状铁素体;因钢材尺寸较大,心部区域显微组织差异性较小。

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梁佰战(1983—),男,陕西富平人,高级工程师,主要研究方向为新产品开发及工艺研究。

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梁佰战(1983—),男,陕西富平人,高级工程师,主要研究方向为新产品开发及工艺研究。

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梁佰战(1983—),男,陕西富平人,高级工程师,主要研究方向为新产品开发及工艺研究。

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轧后控制冷却对非调质钢F45MnVS组织和性能的影响
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梁佰战 1 , 赵刚 2 , 徐浩 2 , 赵岳 3
矿冶工程杂志 | 材料 2023,43(3): 176-179
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矿冶工程杂志 | 材料 2023, 43(3): 176-179
轧后控制冷却对非调质钢F45MnVS组织和性能的影响
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梁佰战1, 赵刚2, 徐浩2, 赵岳3
作者信息
  • 1.江苏沙钢集团淮钢特钢股份有限公司技术中心,江苏 淮安 223002
  • 2.江苏沙钢集团淮钢特钢股份有限公司检测中心,江苏 淮安 223002
  • 3.江苏沙钢集团淮钢特钢股份有限公司轧钢厂,江苏 淮安 223002
  • 梁佰战(1983—),男,陕西富平人,高级工程师,主要研究方向为新产品开发及工艺研究。

Effect of Controlled Cooling After Hot Rolling on Microstructure and Properties of Non-quenched and Tempered Steel F45MnVS
Baizhan LIANG1, Gang ZHAO2, Hao XU2, Yue ZHAO3
Affiliations
  • 1.Technology Center of Huaigang Special Steel Co Ltd, Jiangsu Shagang Group, Huai'an 223002, Jiangsu, China
  • 2.Examination Center of Huaigang Special Steel Co Ltd, Jiangsu Shagang Group, Huai'an 223002, Jiangsu, China
  • 3.Steel Mill of Huaigang Special Steel Co Ltd, Jiangsu Shagang Group, Huai'an 223002, Jiangsu, China
出版时间: 2023-06-01 doi: 10.3969/j.issn.0253-6099.2023.03.039
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对非调质钢F45MnVS进行轧后控制冷却试验,对比了轧后未冷却与控制冷却的钢材热轧态力学性能、脱碳层和显微组织。结果表明,轧后控制冷却对钢材下屈服强度、延伸率、断面收缩率和常温冲击功均有明显改善作用;钢材表面脱碳层在轧后控制冷却条件下可以得到有效控制,甚至脱碳层“消失”;在钢材轧后表面温度冷却至650 ℃时,表层区域出现少量粒状贝氏体,而在钢材轧后表面温度冷却至460 ℃时,表层区域出现大量粒状贝氏体。轧后控制冷却使钢材表层区域和1/2半径附近的铁素体和珠光体组织被细化,铁素体网状比例降低,长条铁素体转变为块状铁素体;因钢材尺寸较大,心部区域显微组织差异性较小。

控制冷却  /  热轧  /  非调质钢  /  F45MnVS  /  显微组织  /  力学性能

An experiment on non-quenched and tempered steel F45MnVS was carried out by adopting controlled cooling after hot rolling. The mechanical properties, decarburized layer and microstructure of rolled steel without cooling and after controlled cooling process were compared for analysis. The results show that controlled cooling after hot rolling can lead to the steel with yield strength, elongation, section shrinkage and impact energy improved all, and with the decarburized layer being effectively controlled or even "disappeared". With the surface temperature of the hot-rolled steel decreased to 650 ℃, granular bainite begins to occur on the steel surface; with the surface temperature down to 460 ℃, much granular bainite occurs on the steel surface. It is shown that by using controlled cooling after hot rolling, the ferrite and pearlite on the steel surface and near 1/2 radius on the cross section of the steel become fine-grained. The total ferrite net is reduced, and long strip ferrite is transformed to blocky ferrite. Due to larger size, the central part of steel shows little difference in the microstructure.

controlled cooling technology  /  hot rolling  /  non-quenched and tempered steel  /  F45MnVS  /  microstructure  /  mechanical properties
梁佰战, 赵刚, 徐浩, 赵岳. 轧后控制冷却对非调质钢F45MnVS组织和性能的影响. 矿冶工程杂志, 2023 , 43 (3) : 176 -179 . DOI: 10.3969/j.issn.0253-6099.2023.03.039
Baizhan LIANG, Gang ZHAO, Hao XU, Yue ZHAO. Effect of Controlled Cooling After Hot Rolling on Microstructure and Properties of Non-quenched and Tempered Steel F45MnVS[J]. Mining and Metallurgical Engineering, 2023 , 43 (3) : 176 -179 . DOI: 10.3969/j.issn.0253-6099.2023.03.039
2023年第43卷第3期
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doi: 10.3969/j.issn.0253-6099.2023.03.039
  • 接收时间:2022-12-13
  • 首发时间:2026-03-05
  • 出版时间:2023-06-01
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  • 收稿日期:2022-12-13
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    1.江苏沙钢集团淮钢特钢股份有限公司技术中心,江苏 淮安 223002
    2.江苏沙钢集团淮钢特钢股份有限公司检测中心,江苏 淮安 223002
    3.江苏沙钢集团淮钢特钢股份有限公司轧钢厂,江苏 淮安 223002
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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