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Thermal Diffusivity of Six Igneous Rocks At Elevated Temperatures and Reduced Pressures.

Authors
Lindroth-DP
Source
NTIS: PB 237 030 :33 pages
Link
NIOSHTIC No.
10009296
Abstract
The thermal diffusivity above 298 k, up to 400 k and at pressures from ambient down to 10-10 torr was measured for the following six igneous rock types: tholeitic basalt, obsidian, rhyolite, granodiorite, gabbro, and dunite. The thermal diffusivity data were obtained by the laser flash method. Extreme values range from a low of 5.3 X 10-3 cm2/sec for rhyolite at 383 k and 2 x 10-7 torr to a high of 13.4 X 10-3 cm2/sec for dunite at 298 k and 760 torr. Data are also included on a commercial fused silica, which was used as a standard.
Publication Date
19740101
Document Type
IH; Report of Investigations
Fiscal Year
1974
NTIS Accession No.
PB-237030
NTIS Price
A04
Identifying No.
RI 7954
Source Name
NTIS: PB 237 030
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