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sicmms

金虫 (正式写手)

[求助] SiC的热导率问题

有没有人知道SiC的热导率的准确数值范围,我在网上查的有的是10-50W/mk,有的写的高达360-490W/mk,哪种比较可靠?请了解的人帮忙回答下,谢谢
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小火柴0312

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3楼: Originally posted by xyxyyk at 2011-05-19 10:28:56
substance: silicon carbide (SiC)
property: thermal conductivity
thermal conductivity (3C-SiC)
(in W cm-1 K-1)
k 0.14 T indep. (< 1700 K), free-standing thin polycrystalline CVD film 98R
For in-p ...

可以给我发一份热导率表吗?谢谢!15930897590@163.com

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9楼2016-12-27 22:17:34
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匿名

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huangzx1314(金币+1): 欢迎积极参与论坛讨论~~ 2011-05-18 10:18:52
sicmms(金币+5): 嗯,是的。我写文章要用到这个数值,可是没有比较通用或者权威点的数值,相差太多,不知道怎么选择,呵呵,谢谢你的回答 2011-05-18 22:35:13
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2楼2011-05-18 10:17:33
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xyxyyk

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Missile521(金币+1): 鼓励新虫,欢迎交流!很专业! 2011-05-19 10:30:51
sicmms(金币+5): 谢谢! 2011-05-19 16:55:21
substance: silicon carbide (SiC)
property: thermal conductivity
thermal conductivity (3C-SiC)
(in W cm-1 K-1)
k 0.14 T indep. (< 1700 K), free-standing thin polycrystalline CVD film 98R
For in-plane thermal conductivity of a thin film between 80 and 600 K, see [98J].
thermal conductivity (4H-SiC)
(in W cm-1 K-1)
k 3.3 ||c, T = 298 K experimental, semi-insulating 98T
2.6 T = 373 K
3.3 ||c, T = 298 K experimental, n = 2.0 × 1018 cm-3
2.5 T = 373 K
thermal conductivity (6H-SiC)
(in W cm-1 K-1)
k 3.0 ||c, T = 298 K experimental, n = 1.5 × 1018 cm-3 98T
2.3 T = 373 K
3.2 ||c, T = 298 K n = 3.5 × 1017 cm-3
2.3 T = 373 K
3.8 ^c, T = 298 K n = 3.5 × 1017 cm-3
2.8 T = 373 K
k = 4517 T-1.29 T in K, 300 K < T < 2300 K, experimental 98M


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3楼2011-05-19 10:28:56
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cwnano

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huangzx1314(金币+1): 欢迎常参与论坛讨论~~ 2011-05-19 14:02:20
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4楼2011-05-19 13:17:09
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