Article(id=1304377465170842367, tenantId=1146029695717560320, journalId=1303687303576780880, issueId=1304377446971757108, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1009-3842.2026.02.006, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1753804800000, receivedDateStr=2025-07-30, revisedDate=1761926400000, revisedDateStr=2025-11-01, acceptedDate=null, acceptedDateStr=null, onlineDate=1788917421858, onlineDateStr=2026-09-09, pubDate=1777305600000, pubDateStr=2026-04-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1788917421858, onlineIssueDateStr=2026-09-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1788917421858, creator=13701087609, updateTime=1788917421858, 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=55, endPage=65, ext={EN=ArticleExt(id=1304377465342808832, articleId=1304377465170842367, tenantId=1146029695717560320, journalId=1303687303576780880, language=EN, title=Fabrication of Thermally Stable Graphene-encapsulated Fine-grained Copper Composites, columnId=1304141568877814747, journalTitle=Copper Engineering, columnName=Material Preparation and Process Engineering, runingTitle=null, highlight=null, articleAbstract=

The poor thermal stability of metallic copper limits its applications. This study fabricated graphene-encapsulated fine-grained copper composites via chemical vapor deposition (CVD) and investigated graphene growth on fine-grained copper (about 1 μm diameter). Results showed that pure copper's grain size increased from 2.03 μm (600 ℃) to 18.2 μm (1000 ℃), with hardness decreasing from 91.56HV to 27.64HV. Interestingly, graphene-encapsulated composites maintained stable grain size distribution (1.25~1.35 μm) and hardness distribution (83.96~100.63HV) across the different temperatures. These findings demonstrated that the graphene encapsulation on fine-grained copper significantly enhanced thermal stability by inhibiting copper atom diffusion. Furthermore, the drawn composite wires fabricated from the graphene-encapsulated copper composites by annealing at 1000 ℃ showed a 53.9% increase in hardness, a 12% improvement in tensile strength, a 29.8% higher elongation, and a 6.8% reduction in electrical resistivity compared with the counterpart produced from pure copper. This work provided new insights for fabricating copper-based composites with superior thermal stability.

, authors=Huilong TAO¹, Jin BAI¹, Yuchun HUAN¹, Min WANG^{1, 2}, authorsList=Huilong TAO, Jin BAI, Yuchun HUAN, Min WANG, authorCompany=null, correspAuthors=Min WANG, 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=1304377465619632897, articleId=1304377465170842367, tenantId=1146029695717560320, journalId=1303687303576780880, language=CN, title=高热稳定性石墨烯包覆细晶铜复合材料的研制, columnId=1304141569037198301, journalTitle=铜业工程, columnName=材料制备与加工工程, runingTitle=null, highlight=null, articleAbstract=

金属铜较差的热稳定性导致其应用受限。本研究采用化学气相沉积法（CVD）在晶粒直径约为1 μm的细晶铜表面生长石墨烯，成功制备了石墨烯包覆细晶铜复合材料。研究结果显示：细晶纯铜的晶粒尺寸随着烧结温度升高而增大，由600 ℃时的2.03 μm增加至1000 ℃时的18.2 μm，且硬度由600 ℃时的91.56HV降至1000 ℃时的27.64HV； 在不同烧结温度下，石墨烯包覆细晶铜复合材料的晶粒尺寸稳定在1.25~1.35 μm，硬度保持在83.96~100.63HV。该结果表明，石墨烯包覆的细晶铜复合材料展现出比细晶纯铜更优异的热稳定性，这是因为铜颗粒表面石墨烯的包覆有效抑制了铜原子的扩散。此外，对石墨烯包覆细晶铜复合材料拉拔得到的复合导线进行了性能测试，结果表明：与细晶纯铜相比，其硬度提升了53.9%，抗拉强度增加了12%，延伸率提高了29.8%，而电阻率降低了6.8%。该研究为高热稳定性铜基复合材料的研制提供了新的思路。

, authors=陶慧龙¹, 白金¹, 环瑀淳¹, 王敏^{1, 2}, authorsList=陶慧龙, 白金, 环瑀淳, 王敏, authorCompany=null, correspAuthors=王敏, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=5okBZ8ftPlzYqpsXSSJhXQ==, magXml=eN8+wiM8+7m+CEUs3TX4vw==, pdfUrl=null, pdf=eSXTFhTAzTEYzGDr3XY1sQ==, pdfFileSize=16893054, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=RYTyDISh6sdxySE+9tjR2w==, mapNumber=null, fund=null)}, authors=[Author(id=1304377466039063305, tenantId=1146029695717560320, journalId=1303687303576780880, articleId=1304377465170842367, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=2728266239@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1304377466110366475, tenantId=1146029695717560320, journalId=1303687303576780880, articleId=1304377465170842367, authorId=1304377466039063305, language=EN, stringName=Huilong TAO, firstName=Huilong, middleName=null, lastName=TAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.College of Materials Science and Technology，Nanjing University of Aeronautics and Astronautics，Nanjing 210016，China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1304377466181669644, tenantId=1146029695717560320, journalId=1303687303576780880, articleId=1304377465170842367, authorId=1304377466039063305, language=CN, stringName=陶慧龙, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.南京航空航天大学材料科学与技术学院，江苏 南京 210016, bio={"content":"

陶慧龙（2000—），男，安徽芜湖人，硕士，研究方向：石墨烯铜基复合材料，E-mail：2728266239@qq.com

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陶慧龙（2000—），男，安徽芜湖人，硕士，研究方向：石墨烯铜基复合材料，E-mail：2728266239@qq.com

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