Thermal performance of electronic components based on phase change materials

LAI Yanhua; WU Tao; WEI Lulu; DONG Zhen; LÜ Mingxin

doi:10.3969/j.issn.0438-1157.2014.z1.025

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Thermal performance of electronic components based on phase change materials

更新时间：2025-12-10

- Thermal performance of electronic components based on phase change materials
- CIESC Journal Issue S1, Pages: 157-161(2014)
- 作者机构：
  
  山东大学能源与动力工程学院,山东,济南,250061
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.z1.025
  CLC： Q21.3
- Online First：30 May 2014，
  
  Published：30 May 2014
- 稿件说明：
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LAI Yanhua, WU Tao, WEI Lulu, et al. Thermal performance of electronic components based on phase change materials[J]. CIESC Journal, 2014, (S1): 157-161.
DOI：

LAI Yanhua, WU Tao, WEI Lulu, et al. Thermal performance of electronic components based on phase change materials[J]. CIESC Journal, 2014, (S1): 157-161. DOI： 10.3969/j.issn.0438-1157.2014.z1.025.

摘要

对比研究了无石蜡、纯石蜡以及石墨/石蜡复合材料三种不同填充状态的散热器在电子元件热管理中的性能，通过实验测量了功率变化时电子元件基板表面温度及散热器表面温度场的变化情况。研究结果表明添加石蜡、石墨/石蜡复合材料能缩短电子器件启动后温度场稳定的时间，温度变化速率有所下降；当功率突然增大时，填充石蜡、石墨/石蜡复合材料的散热器与芯片结合处温度升高值较小、变化较为平缓，可有效抑制热冲击对电子元件的影响。在散热过程中，填充了石蜡、石墨/石蜡的散热器表面温度变化更为平滑，有利于延长散热器的使用寿命。

Abstract

A comparison was made among the thermal manage performance of electronic components based on radiator with three different kinds of material filling state

without paraffin

pure paraffin

composite of graphite with paraffin. The surface temperature of electronic component substrate and radiator during input power changes were tested by experiment. The results indicated that paraffin and composite of graphite with paraffin can shorten the time for electronic components reaching steady state. Temperature change rates declined. While the power increased abruptly

temperature between radiators and chips rose smaller and smoother when filled with paraffin and composite of graphite with paraffin

resulting in effectively restrain the adverse effects of heat shock on electronic components. In cooling process

the surface temperature of radiator filled with paraffin

composite of graphite with paraffin changed smoother

which was beneficial to extending the service life of radiator.

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