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首页> 外文会议>Device packaging 2010 >Thermally Conductive (TC) Plastics: A Demonstration of the Suitability of TC-Plastics as a Metal Replacement in LED Lamp Holders
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Thermally Conductive (TC) Plastics: A Demonstration of the Suitability of TC-Plastics as a Metal Replacement in LED Lamp Holders

机译：导热（TC）塑料：证明TC-塑料作为LED灯座中的金属替代品的适用性

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摘要

In section 1, an assessment is made of the typical thermal conductivities attainable in arnTC-plastic followed by an examination of the trade-off between increased thermalrnconductivity and decreased toughness caused by increasing filler load of such a TCplastic.rnHaving established that currently there is a ceiling conductivity of around 25 W/mK forrnTC-plastics, i.e., well below the 100 W/mK TC level of metals, subsequently a basicrnanalysis is provided on the suitability of materials with such moderate TC-levels in metalrnreplacement. For this purpose, the ideal case of a unidirectional (1D) heat flow isrnconsidered in section 2, in section 3, a more complex case of a bidirectional heat flow isrnanalyzed. Finally, section 4 considers the thermal performance of TC-plastics in a real 3Drnpart, i.e., the heat sink housing of an LED lamp. More specifically, a comparison is madernbetween the thermal performance of the housing molded in a heat conductive plastic andrnthat of an all-aluminum housing. This comparison clearly demonstrates general validityrnand practical value of the conclusions drawn in sections 2 and 3 and highlights thernoutstanding suitability of TC-plastics for heat sinks in lighting applications. Highrnperformances STANYL TC in particular.
机译：在第1节中，评估了arnTC-plastic可达到的典型热导率，然后研究了由于这种TCplastic的填充量增加而导致的导热系数增加和韧性降低之间的权衡取舍。碳纳米管塑料的最高电导率约为25 W / mK，即远低于金属的100 W / mK TC水平，随后提供了一种基本的分析，即具有中等TC水平的材料在金属置换中的适用性。为此，在第2节中考虑了单向（1D）热流的理想情况，在第3节中，对双向热流的更为复杂的情况进行了分析。最后，第4节考虑了TC塑料在真实3D部分中的热性能，即LED灯的散热器外壳。更具体地，将模制在导热塑料中的壳体的热性能与全铝壳体的热性能进行比较。这种比较清楚地证明了第2部分和第3部分得出的结论的一般有效性和实用价值，并强调了TC塑料对于照明应用中的散热器的出色适用性。高性能特别是STANYL TC。

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  • 来源
    《Device packaging 2010》|2010年|p.1|共1页
  • 会议地点 Scottsdale/Fountain Hills AZ(US)
  • 作者

    Rob Janssen; L. Douven; H. K. van Dijk;

  • 作者单位

    DSM Engineering PlasticsrnUrmonderbaan 22rnGeleen 6167 Rd.rnThe NetherlandsrnP: +31-46-476-1832rnE: Rob-R.Janssen@dsm.com;

    DSM Engineering PlasticsrnUrmonderbaan 22rnGeleen 6167 Rd.rnThe Netherlands;

    DSM Engineering PlasticsrnUrmonderbaan 22rnGeleen 6167 Rd.rnThe Netherlands;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 制造工艺;
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