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The effects of different normalizing temperature and holding time on the microstructure of Q345E with 65 mm thickness have been studied by optical microscope. The results show that: Compared with the controlled rolling and controlled cooling (TMCP) steel plates, steels normalized at 900 degrees, grains are fine and the whole cross-sections are the most homogeneous. With the prolonging of holding time, ferrite grain growth is not obvious but pearlite content decreases, having spheroidization trend.

, authors=Wen-ya LI, Wei-yu YANG, Xiao-yu LU, authorsList=Wen-ya LI, Wei-yu YANG, Xiao-yu LU, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319262551574167745, articleId=1319262550961799359, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=正火工艺对65 mm厚Q345E显微组织的影响, columnId=1185887584472417142, journalTitle=包钢科技, columnName=品种质量与试验研究, runingTitle=null, highlight=null, articleAbstract=

采用光学显微镜研究了不同正火温度及保温时间对65 mm厚Q345E显微组织的影响。结果表明:与控轧控冷(TMCP)态钢板相比,经900 ℃正火的钢,其晶粒细小,全断面组织最均匀。随着保温时间的延长,铁素体晶粒长大不明显,但珠光体含量减少,有球化趋势。

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李文亚(1980-),女,山西省大同市人,硕士,工程师,主要从事理化检测管理工作。

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李文亚(1980-),女,山西省大同市人,硕士,工程师,主要从事理化检测管理工作。

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李文亚(1980-),女,山西省大同市人,硕士,工程师,主要从事理化检测管理工作。

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正火工艺对65 mm厚Q345E显微组织的影响
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李文亚 , 杨维宇 , 卢晓禹
包钢科技 | 品种质量与试验研究 2017,43(3): 46-49
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包钢科技 |品种质量与试验研究 2017 , 43 (3) : 46 -49
正火工艺对65 mm厚Q345E显微组织的影响
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李文亚, 杨维宇, 卢晓禹
作者信息
  • 内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
作者简介:

李文亚(1980-),女,山西省大同市人,硕士,工程师,主要从事理化检测管理工作。

Effect of Normalizing Process on Microstructure for Q345E with 65 mm Thickness
Wen-ya LI, Wei-yu YANG, Xiao-yu LU
Affiliations
  • Technical Center of Steel Union Co. Ltd. of Baotou Steel (Group) Corp., Baotou 014010, Nei Monggol, China
出版时间: 2017-06-25 doi: 10.13647/j.cnki.btgkj.2017.03.014
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采用光学显微镜研究了不同正火温度及保温时间对65 mm厚Q345E显微组织的影响。结果表明:与控轧控冷(TMCP)态钢板相比,经900 ℃正火的钢,其晶粒细小,全断面组织最均匀。随着保温时间的延长,铁素体晶粒长大不明显,但珠光体含量减少,有球化趋势。

Q345E  /  正火处理  /  显微组织

The effects of different normalizing temperature and holding time on the microstructure of Q345E with 65 mm thickness have been studied by optical microscope. The results show that: Compared with the controlled rolling and controlled cooling (TMCP) steel plates, steels normalized at 900 degrees, grains are fine and the whole cross-sections are the most homogeneous. With the prolonging of holding time, ferrite grain growth is not obvious but pearlite content decreases, having spheroidization trend.

Q345E  /  normalizing treatment  /  microstructure
李文亚, 杨维宇, 卢晓禹. 正火工艺对65 mm厚Q345E显微组织的影响. 包钢科技, 2017 , 43 (3) : 46 -49 . DOI: 10.13647/j.cnki.btgkj.2017.03.014
Wen-ya LI, Wei-yu YANG, Xiao-yu LU. Effect of Normalizing Process on Microstructure for Q345E with 65 mm Thickness[J]. Science & Technology of Baotou Steel, 2017 , 43 (3) : 46 -49 . DOI: 10.13647/j.cnki.btgkj.2017.03.014

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doi: 10.13647/j.cnki.btgkj.2017.03.014
  • 接收时间:2017-03-01
  • 首发时间:2026-10-20
  • 出版时间:2017-06-25
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  • 收稿日期:2017-03-01
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    内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
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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