Article(id=1251830035406078668, tenantId=1146029695717560320, journalId=1251234171981443176, issueId=1251830032927244964, articleNumber=null, orderNo=null, doi=10.19659/j.issn.1008-5300.20250313011, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1741795200000, receivedDateStr=2025-03-13, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1776389138317, onlineDateStr=2026-04-17, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1776389138317, onlineIssueDateStr=2026-04-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1776389138317, creator=13701087609, updateTime=1776389138317, updator=13701087609, issue=Issue{id=1251830032927244964, tenantId=1146029695717560320, journalId=1251234171981443176, year='2025', volume='41', issue='5', pageStart='1', pageEnd='78', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1776389137727, creator=13701087609, updateTime=1776389447642, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1251831332897243625, tenantId=1146029695717560320, journalId=1251234171981443176, issueId=1251830032927244964, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1251831332897243626, tenantId=1146029695717560320, journalId=1251234171981443176, issueId=1251830032927244964, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=74, endPage=78, ext={EN=ArticleExt(id=1251830035645154004, articleId=1251830035406078668, tenantId=1146029695717560320, journalId=1251234171981443176, language=EN, title=A Study on Heat Dissipation Properties of Graphite-aluminum Composite, columnId=1251830035573850834, journalTitle=Electro-Mechanical Engineering, columnName=Environment Adaptability Design, runingTitle=null, highlight=null, articleAbstract=
To address the bottleneck in thermal dissipation capacity of traditional aluminum alloy heat sinks, a sandwich-structured graphite-aluminum composite is proposed in this paper. Comparative experiments demonstrate its superior lateral heat dissipation to aluminum alloys. Based on the established simulation model, a semi-physical calibration method is employed to quantify both in-plane and through-plane thermal conductivities of the graphite layer and composite. The results reveal that the graphite-aluminum composite with in-plane thermal conductivity of 390 W/(m·K) has copper-equivalent heat dissipation performance and its density is much lower than that of copper, demonstrating substantial advantages for aerospace lightweight engineering. The quantified thermal parameters enable thermal designers to efficiently develop optimized heat dissipation solutions through simulation-driven design iterations.
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针对传统铝合金散热板散热能力已逐渐达到瓶颈的问题,文中提出了一种“三明治”石墨-铝复合材料构型。通过对比试验验证了该构型相比铝合金在横向的散热优势,并基于建立的仿真模型,采用半实物测定修正法量化得到了石墨层和石墨-铝材料的横向和纵向导热系数。研究结果表明:石墨-铝的横向导热系数为390 W/(m·K),散热能力与铜接近,密度却远远小于铜,在航天产品轻量化工程中具有明显的应用优势。文中得到的石墨层导热系数,可指导热设计人员根据不同的设计方案需求,依托仿真软件得到满足设计要求的散热方案。
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陈晓戈 男,1997 年生,硕士,工程师,主要从事嵌入式计算机环境适应性设计研究。
雷冰 男,1991 年生,硕士,工程师,主要从事星载高性能结构设计及热设计工作。
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https://doi.org/10.14158/j.cnki.1001-3814.20223032., articleTitle=活塞用铝/镀覆石墨复合材料的热学与力学性能研究, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1251830038333703014, tenantId=1146029695717560320, journalId=1251234171981443176, articleId=1251830035406078668, xref=1, ext=[AuthorCompanyExt(id=1251830038337897319, tenantId=1146029695717560320, journalId=1251234171981443176, articleId=1251830035406078668, companyId=1251830038333703014, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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| 功耗/W | 温差/℃ |
|---|
| 10 | 9.81 |
| 15 | 14.19 |
| 20 | 18.54 |
| 25 | 22.36 |
| 30 | 27.35 |
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| 功耗/W | 温差/℃ |
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| 10 | 9.81 |
| 15 | 14.19 |
| 20 | 18.54 |
| 25 | 22.36 |
| 30 | 27.35 |
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| 功耗/W | 17号/℃ | 18号/℃ | 19号/℃ | 20号/℃ |
|---|
| 10 | 35.3 | 35.1 | 28.3 | 27.3 |
| 15 | 41.0 | 40.7 | 30.4 | 27.6 |
| 20 | 46.7 | 46.4 | 32.7 | 27.9 |
| 25 | 52.3 | 51.9 | 34.7 | 28.1 |
| 30 | 58.1 | 57.8 | 37.2 | 28.4 |
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| 功耗/W | 17号/℃ | 18号/℃ | 19号/℃ | 20号/℃ |
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| 10 | 35.3 | 35.1 | 28.3 | 27.3 |
| 15 | 41.0 | 40.7 | 30.4 | 27.6 |
| 20 | 46.7 | 46.4 | 32.7 | 27.9 |
| 25 | 52.3 | 51.9 | 34.7 | 28.1 |
| 30 | 58.1 | 57.8 | 37.2 | 28.4 |
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