Article(id=1308544044641378391, tenantId=1146029695717560320, journalId=1268266715432370238, issueId=1308544039763411521, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1006-4613.2026.03.010, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=1774281600000, revisedDateStr=2026-03-24, acceptedDate=null, acceptedDateStr=null, onlineDate=1789910811815, onlineDateStr=2026-09-20, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789910811815, onlineIssueDateStr=2026-09-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789910811815, creator=13701087609, updateTime=1789910811815, updator=13701087609, issue=Issue{id=1308544039763411521, tenantId=1146029695717560320, journalId=1268266715432370238, year='2026', volume='', issue='3', pageStart='1', pageEnd='72', issueExtLink='null', onlineDate='null', pubDate='1781020800000', pubDateStr='2026-06-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789910810650, creator='13701087609', updateTime=1789955260152, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1308730474583916647, tenantId=1146029695717560320, journalId=1268266715432370238, issueId=1308544039763411521, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1308730474583916648, tenantId=1146029695717560320, journalId=1268266715432370238, issueId=1308544039763411521, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=57, endPage=61, ext={EN=ArticleExt(id=1308544044846899288, articleId=1308544044641378391, tenantId=1146029695717560320, journalId=1268266715432370238, language=EN, title=Causes and Solutions of Bright Band Defects on the Surface of Electro-galvanized Automotive Sheets, columnId=1268934136686350903, journalTitle=Angang Technology, columnName=Production Practice, runingTitle=null, highlight=null, articleAbstract=

Aiming at the bright band color difference on the upper surface occurring during the production of wide low-carbon deep-drawing steel for automotive outer panels on the electro-galvanizing line, a systematic study was carried out by means of optical microscopy, SEM, EDS and metallographic analysis. The results showed that the defect was caused by abnormally coarse grains in the surface layer of the cold-rolled substrate, leading to abnormal crystallization during electro-galvanizing. The areas with abnormal electroplating crystallization appeared as small bright spot defects, and a large number of bright spots macroscopically manifested as bright band color difference. Through comprehensive defect inspection and process analysis, it was determined that the high hot rolling coiling temperature and excessive wrapper roll pressure during coiling resulted in coarse grains in the surface layer of the hot-rolled strip, and the heredity of the hot-rolled microstructure led to coarse grains in the surface layer of the cold-rolled substrate. By reducing the coiling temperature from 750 ℃ to 710 ℃ and optimizing the wrapper roll pressure parameters, the defect was successfully eliminated, and the process optimization had no significant effect on the microstructure and properties of the finished product.

, authors=Honggang GAO, Xin JIN, Yang CAO, Chao HAI, authorsList=Honggang GAO, Xin JIN, Yang CAO, Chao HAI, 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=1308544045132111961, articleId=1308544044641378391, tenantId=1146029695717560320, journalId=1268266715432370238, language=CN, title=电镀锌汽车板表面亮带缺陷成因及解决措施, columnId=1268934136837345849, journalTitle=鞍钢技术, columnName=生产实践, runingTitle=null, highlight=null, articleAbstract=

针对电镀锌机组生产宽幅低碳深冲钢汽车外板时出现的上表面亮带色差问题,采用光学显微镜、SEM、EDS及金相分析等手段进行系统研究。结果表明,该缺陷是由于冷轧基板表层存在异常粗大晶粒导致电镀锌过程中结晶异常,电镀结晶异常处为小亮点缺陷,大量亮点宏观表现为亮带色差。综合缺陷检验及工艺查询分析,确定热轧卷取温度高、卷取过程中助卷辊压力偏大导致热轧板表层出现粗大晶粒,热轧组织遗传导致冷轧基板表层晶粒粗大。采取卷取温度由750 ℃降至710 ℃,并优化助卷辊压力参数措施,成功消除了该缺陷,工艺优化后对成品组织性能无明显影响。

, authors=高洪刚, 金鑫, 曹洋, 海超, authorsList=高洪刚, 金鑫, 曹洋, 海超, authorCompany=null, correspAuthors=null, authorNote=

高洪刚,正高级工程师,2004年毕业于内蒙古科技大学材料成型及控制工程专业。E-mail:

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高洪刚,正高级工程师,2004年毕业于内蒙古科技大学材料成型及控制工程专业。E-mail:

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高洪刚,正高级工程师,2004年毕业于内蒙古科技大学材料成型及控制工程专业。E-mail:

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电镀锌汽车板表面亮带缺陷成因及解决措施
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高洪刚 , 金鑫 , 曹洋 , 海超
鞍钢技术 | 生产实践 2026,(3): 57-61
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鞍钢技术 |生产实践 2026 , (3) : 57 -61
电镀锌汽车板表面亮带缺陷成因及解决措施
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高洪刚 , 金鑫, 曹洋, 海超
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  • 鞍钢集团本钢板材股份有限公司,辽宁 本溪 117001
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高洪刚,正高级工程师,2004年毕业于内蒙古科技大学材料成型及控制工程专业。E-mail:

Causes and Solutions of Bright Band Defects on the Surface of Electro-galvanized Automotive Sheets
Honggang GAO , Xin JIN, Yang CAO, Chao HAI
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  • Bengang Steel Plates Co., Ltd. of Ansteel Group Co., Ltd., Benxi 117001, Liaoning, China
doi: 10.3969/j.issn.1006-4613.2026.03.010
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针对电镀锌机组生产宽幅低碳深冲钢汽车外板时出现的上表面亮带色差问题,采用光学显微镜、SEM、EDS及金相分析等手段进行系统研究。结果表明,该缺陷是由于冷轧基板表层存在异常粗大晶粒导致电镀锌过程中结晶异常,电镀结晶异常处为小亮点缺陷,大量亮点宏观表现为亮带色差。综合缺陷检验及工艺查询分析,确定热轧卷取温度高、卷取过程中助卷辊压力偏大导致热轧板表层出现粗大晶粒,热轧组织遗传导致冷轧基板表层晶粒粗大。采取卷取温度由750 ℃降至710 ℃,并优化助卷辊压力参数措施,成功消除了该缺陷,工艺优化后对成品组织性能无明显影响。

电镀锌  /  亮带色差  /  低碳深冲钢  /  粗晶

Aiming at the bright band color difference on the upper surface occurring during the production of wide low-carbon deep-drawing steel for automotive outer panels on the electro-galvanizing line, a systematic study was carried out by means of optical microscopy, SEM, EDS and metallographic analysis. The results showed that the defect was caused by abnormally coarse grains in the surface layer of the cold-rolled substrate, leading to abnormal crystallization during electro-galvanizing. The areas with abnormal electroplating crystallization appeared as small bright spot defects, and a large number of bright spots macroscopically manifested as bright band color difference. Through comprehensive defect inspection and process analysis, it was determined that the high hot rolling coiling temperature and excessive wrapper roll pressure during coiling resulted in coarse grains in the surface layer of the hot-rolled strip, and the heredity of the hot-rolled microstructure led to coarse grains in the surface layer of the cold-rolled substrate. By reducing the coiling temperature from 750 ℃ to 710 ℃ and optimizing the wrapper roll pressure parameters, the defect was successfully eliminated, and the process optimization had no significant effect on the microstructure and properties of the finished product.

electro-galvanizing  /  bright color difference  /  low-carbon deep-drawing steel  /  coarse grains
高洪刚, 金鑫, 曹洋, 海超. 电镀锌汽车板表面亮带缺陷成因及解决措施. 鞍钢技术, 2026 , (3) : 57 -61 . DOI: 10.3969/j.issn.1006-4613.2026.03.010
Honggang GAO, Xin JIN, Yang CAO, Chao HAI. Causes and Solutions of Bright Band Defects on the Surface of Electro-galvanized Automotive Sheets[J]. Angang Technology, 2026 , (3) : 57 -61 . DOI: 10.3969/j.issn.1006-4613.2026.03.010

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doi: 10.3969/j.issn.1006-4613.2026.03.010
  • 首发时间:2026-09-20
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    鞍钢集团本钢板材股份有限公司,辽宁 本溪 117001
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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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