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November 2001

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Subject:
From:
David Fish <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Fri, 2 Nov 2001 09:35:19 -0800
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This will help fill your grid ...

copper 0.093 cal/gm C (.389 J/gm C)
lead 0.031 cal/gm C(.13 J/gm C).

Substance||c in J/gm K||c in cal/gm K or Btu/lb F||Molar C J/mol K
Aluminum||0.900||0.215||24.3
Bismuth||0.123||0.0294||25.7
Copper||0.386||0.0923||24.5
Brass||0.380||0.092||...
Gold||0.126||0.0301||25.6
Lead||0.128||0.0305||26.4
Silver||0.233||0.0558||24.9
Tungsten||0.134||0.0321||24.8
Zinc||0.387||0.0925||25.2
Mercury||0.140||0.033||28.3
Alcohol(ethyl)||2.4||0.58||111
Water||4.186||1.00||75.2
Ice (-10 C)||2.05||0.49||36.9
Granite||.790||0.19||...
Glass||.84||0.20||...


Material||Thermal conductivity [Wm-1K-1]
Al2O3||30
SiC||270
AlN||320
Si||150
Graphite c-axis||6
Graphite a-axis||2000
Mo||130
W||150

Material||Heat capacity [J/g-K]
Aluminum||0.8940
Copper||0.3850
Diamond||0.5180
Gold||0.1284
Molybdenum||0.2502
Tungsten||0.1322
Kovar||0.4320
5Sn/95Pb||0.1340
Al2O3||0.7790
Aluminum nitride||0.7450
Mullite/Cordierite ceramic composite||0.6900
Silicon||0.7120
Silica, SiO2||0.7440
Silicon carbide||0.6700
DuPont Kevlar 49||1.450
Polytetrafluoroethylene [PTFE]||1.0283
Gallium arsenide||0.3220
Water||4.1830

Material||Heat capacity [J/kg-°C]
Epoxy, phenolic||1694-2093

Material||Thermal conductivity [W/m-°C]
42Ni58Fe||12
29Ni17Co54Fe||40

Material||Thermal conductivity [W/m-°C]
E-glass||1.0 [both axial & transverse]
S-glass||3.0 [both axial & transverse]
Quartz||1.0 [both axial & transverse]
Kelvar||0.25 axial
Kelvar||0.025 transverse
e-PTFE||0.31 axial

Material||Thermal conductivity [W/m°C]
Epoxy||0.19
Polyimide||0.18
Cyanate ester||0.20
PTFE||0.19
BT||0.20

Material||Thermal conductivity [W/m°C]
E-glass/epoxy||0.35
E-glass/polyimide||0.35
E-glass/PTFE||0.26
Quartz/PTFE||0.13
Kelvar 49/Quartrex||0.16
Kelvar 49/polyimide||0.12

Material||Thermal conductivity [W/m°C]
Copper [rolled, annealed]||392
Copper [electrodeposited]||392

Material||Thermal conductivity [W/m°C]
Urethane||0.07-0.31
Acrylic||0.12-0.25
Epoxy||0.17-0.21
Silicone||0.15-0.31
DAP||0.17-0.21

Material||Thermal conductivity [W/m°C]
Parylene-N||0.12
Parylene-C||0.082

Dave Fish
----- Original Message -----
From: "Werner Engelmaier" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, November 01, 2001 8:19 AM
Subject: [TN] Thermal Capacity


> Hi,
> I would appreciate any info I could get on the Specific Heat/Thermal
Capacity
> [J/g.C]/Thermal Mass [J/mm3.C] of the following materials:
> FR-4 (glass-epoxy); Polyimide (glass-epoxy); Polyimide (resin only); Mold
> Compound; Ceramic; Silicone; Alloy 42; Solder; Copper.
> Thanks,
>
> Werner Engelmaier
>
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