Device and method for measuring the deformations of a sample

Details Device and method for measuring the deformations of a sample Device and method for measuring the deformations of a sample

1990-05-09

1991-04-23

Cuchlinski, Jr., William A.

Thermal measuring and testing

Distance or angle

374 55, 374 56, 33783, 33702, 33560, 33557, 33DIG19, G01N 2500, G01B 702, G01B 2102

Patent

active

050095129

ABSTRACT:
A device and method for measuring the deformations of a sample, which deformations particularly result from the relaxation of the stresses to which the samples was previously subjected. The device and method include the use of a cell inside which the sample is placed with the cell containing a thermal mass whose heat capacity and/or thermal conductibility are appreciably greater than those of air under normal temperature and pressure conditions.

REFERENCES:
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Khan, M. R. et al., "Thermoplastic Properties of Coal at Elevated Pressures," Fuel, vol. 63 (Jan. 1984).
Amatuni, A. N. et al., "Modernized Cryostat for the VNIIM DIN-3 Interference Dilatometer," Meas. Tech. (U.S.A.), No. 12 (Dec. 1969).
Dupont 940 Thermomechanical Analyzer, Dupont Instruments, Wilmington, Del. (Apr. 1967).

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