Article(id=1304377457616900753, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304377446971757108, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1009-3842.2026.02.001, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1756828800000, receivedDateStr=2025-09-03, revisedDate=1764604800000, revisedDateStr=2025-12-02, acceptedDate=null, acceptedDateStr=null, onlineDate=1788917420056, onlineDateStr=2026-09-09, pubDate=1777305600000, pubDateStr=2026-04-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1788917420056, onlineIssueDateStr=2026-09-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1788917420056, creator=13701087609, updateTime=1788917420056, updator=13701087609, issue=Issue{id=1304377446971757108, tenantId=1146029695717560320, journalId=1303687303576780880, year='2026', volume='', issue='2', pageStart='1', pageEnd='140', issueExtLink='null', onlineDate='null', pubDate='1777305600000', pubDateStr='2026-04-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1788917417519, creator='13701087609', updateTime=1788924949893, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1304409040088490937, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304377446971757108, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1304409040088490938, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304377446971757108, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1, endPage=9, ext={EN=ArticleExt(id=1304377457809838738, articleId=1304377457616900753, tenantId=1146029695717560320, journalId=1303687303576780880, language=EN, title=Influence of Iron on Microstructure and Properties of Recycled H65 Brass, columnId=1304141568877814747, journalTitle=Copper Engineering, columnName=Material Preparation and Process Engineering, runingTitle=null, highlight=null, articleAbstract=

Recycling and reuse of copper alloys constitutes a crucial component in China's copper alloy production. During the recycling of brass, iron (Fe) is a prevalent impurity element that can significantly impact brass properties, thus necessitating stringent limitation of iron in brass. This study achieved precise control of Fe content during brass recycling by regulating the input of recycled materials, and systematically investigated the influence of iron on microstructure and properties of recycled H65 brass. Results demonstrated that with increasing Fe content in brass, grains were significantly refined, and the ultimate tensile strength, yield strength and plasticity increased. However, this led to a decrease in elongation and electrical conductivity. Specifically, as Fe content increased from 0.014% to 0.051%, the average grain size decreased from 64.2 μm to 48.9 μm, yield strength increased from 105.9 MPa to 122.1 MPa, and hardness increased from 74.5 HV to 88.1 HV. Conversely, elongation decreased from 62.6% to 54.5%, and electrical conductivity decreased from 27.5%IACS to 25.8%IACS. On the other hand, electrochemical tests revealed that the average corrosion rate exhibited an initial decrease followed by an increase, indicating corrosion resistance initially improved but subsequently deteriorated with increasing Fe content. When Fe content was below 0.04%, solid solution strengthening predominated. Further increases may lead to elemental segregation or even precipitation. This research offered systematical guidance for optimizing economic benefits, controlling microstructural evolution, increasing corrosion resistance, and improving processing performance of recycled brass.

, authors=Zhibo YOU¹, Gaoxiang QIAN², Shihao LAI², Yubo ZHANG¹, Tongmin WANG¹, Tingju LI¹, authorsList=Zhibo YOU, Gaoxiang QIAN, Shihao LAI, Yubo ZHANG, Tongmin WANG, Tingju LI, authorCompany=null, correspAuthors=Yubo ZHANG, 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=1304377458183131795, articleId=1304377457616900753, tenantId=1146029695717560320, journalId=1303687303576780880, language=CN, title=再生H65黄铜中铁元素对其组织和性能的影响, columnId=1304141569037198301, journalTitle=铜业工程, columnName=材料制备与加工工程, runingTitle=null, highlight=null, articleAbstract=

铜合金再生利用是铜合金生产的重要环节。在H65黄铜再生过程中，Fe是常见的杂质元素，显著影响黄铜性能，需要严格控制其含量。本研究通过调控回收料配比，控制再生H65黄铜中Fe的质量分数，系统研究了铁元素对再生H65黄铜组织和性能的影响。研究表明，随着黄铜中Fe质量分数的增加，晶粒明显细化，极限拉伸强度、屈服强度和硬度增加，但延伸率和电导率下降。具体表现为，当Fe的质量分数从0.014%上升至0.051%，平均晶粒尺寸由64.2 μm下降至48.9 μm，屈服强度由105.9 MPa提高至122.1 MPa，硬度由74.5HV升至88.1HV，延伸率和电导率由62.6%和27.5%IACS分别降低至54.5%和25.8%IACS。电化学测试表明，H65黄铜的耐蚀性能随Fe质量分数的增加呈现先上升后下降的趋势。Fe的质量分数在0.04%以下时以固溶强化为主，继续升高则可能出现偏聚甚至析出。本研究为再生黄铜的成分设计、组织调控、性能优化提供了实验依据。

, authors=尤治博¹, 钱高祥², 赖士浩², 张宇博¹, 王同敏¹, 李廷举¹, authorsList=尤治博, 钱高祥, 赖士浩, 张宇博, 王同敏, 李廷举, authorCompany=null, correspAuthors=张宇博, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=xtriQ9c0ZIAAFdoC9/Yr8Q==, magXml=rVUiC8vq/tbgbiGTj62uRQ==, pdfUrl=null, pdf=gkMBC9skfkiTlMM/Yi6pjQ==, pdfFileSize=14467866, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=WulssZpdqodA+aKvSW0oEg==, mapNumber=null, fund=null)}, authors=[Author(id=1304377458883580571, tenantId=1146029695717560320, journalId=1303687303576780880, articleId=1304377457616900753, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=1105265746@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1304377458959078045, tenantId=1146029695717560320, journalId=1303687303576780880, articleId=1304377457616900753, authorId=1304377458883580571, language=EN, stringName=Zhibo YOU, firstName=Zhibo, middleName=null, lastName=YOU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.School of Materials Science and Engineering，Dalian University of Technology，Dalian 116024，China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1304377459026186910, tenantId=1146029695717560320, journalId=1303687303576780880, articleId=1304377457616900753, authorId=1304377458883580571, language=CN, stringName=尤治博, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.大连理工大学 材料科学与工程学院，辽宁 大连 116024, bio={"content":"

尤治博（2001—），男，辽宁盘锦人，硕士研究生，研究方向：含铁废杂铜精炼再生，E-mail：1105265746@qq.com

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尤治博（2001—），男，辽宁盘锦人，硕士研究生，研究方向：含铁废杂铜精炼再生，E-mail：1105265746@qq.com

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