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Thermal Shock Strength and Thermal Shock Fracture Toughness of Ceramics
2002In this paper, how relevant thermal shock parameters should be estimated both as physical properties of materials and as a function of temperature is presented. The temperature and stress distributions in a disk and the stress intensity factors for a disk with an edge crack are analysed numerically in relation to the temperature-dependent thermal and ...
H. Awaji +4 more
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Thermal Fatigue and Thermal Shock Investigations
1970Results are given from thermal fatigue tests of two steels, run in a fatigue testing machine. Non-uniform temperature distribution during heating and cooling in each cycle gives rise to stresses in the specimen. The number of cycles before the first crack appears is recorded and is compared with the maximum temperature as well as with the amount of ...
F. K. G. Odqvist, N. G. Ohlson
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Thermal Adaptation of Heat Shock Proteins
Current Protein & Peptide Science, 2008Heat shock proteins (Hsps) are molecular chaperones that oppose stress-induced denaturation of other proteins. Hsps are present in all organisms. Apart from assisting in the efficient folding of newly synthesized proteins they maintain pre-existing proteins in a stable conformation, preventing their aggregation, under stress conditions. The latter role,
A, Muga, F, Moro
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1999
Most ceramic materials are sensitive to thermal shock and thermal fatigue. Due to inhomogeneous temperature distributions in rapidly cooled or heated ceramic components, high thermal stresses are generated which are responsible for the extension of existing cracks.
Dietrich Munz, Theo Fett
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Most ceramic materials are sensitive to thermal shock and thermal fatigue. Due to inhomogeneous temperature distributions in rapidly cooled or heated ceramic components, high thermal stresses are generated which are responsible for the extension of existing cracks.
Dietrich Munz, Theo Fett
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High Temperature Technology, 1990
This introductory paper describes how thermal stresses arise in service, mainly during start-up and .shut-down sequences.
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This introductory paper describes how thermal stresses arise in service, mainly during start-up and .shut-down sequences.
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ESEM observation of thermal shock cracking
Microscopy Research and Technique, 1997We report a simple method for a quick and efficient localization of thermal shock cracks as narrow as 1 micron or less, using Environmental Scanning Electron Microscopy (ESEM). The non-destructive character of the technique is exploited in order to observe relevant fractographic features of the crack pattern.
C E, Corbellani +2 more
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Journal of the American Ceramic Society, 1955
Practical experience has shown that thermal shock tests do not lead to generally useful test data. This is probably due to the fact that thermal shock failure is a complicated function of the external thermal shock conditions and of the temperature functions of five different material properties.
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Practical experience has shown that thermal shock tests do not lead to generally useful test data. This is probably due to the fact that thermal shock failure is a complicated function of the external thermal shock conditions and of the temperature functions of five different material properties.
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1980
The quantitative description of the thermal shock of refractories is reviewed with emphasis focused on those physical properties pertinent to the calculation of damage resistance parameters. The excellent correspondence between theoretical damage resistance parameters and a variety of laboratory thermal shock tests of refractories is summarized ...
J. Homeny, R. C. Bradt
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The quantitative description of the thermal shock of refractories is reviewed with emphasis focused on those physical properties pertinent to the calculation of damage resistance parameters. The excellent correspondence between theoretical damage resistance parameters and a variety of laboratory thermal shock tests of refractories is summarized ...
J. Homeny, R. C. Bradt
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Thermal shock and thermal fatigue study of alumina
Journal of the European Ceramic Society, 2002Preliminary results on the thermal shock and thermal fatigue behaviour of alumina studied in a newly designed novel and simple test equipment are reported. The top surface of a test sample was heated by an oxy-hydrogen flame while the opposite surface was cooled to generate temperature and thermal stress gradients.
Panda, P. K. +4 more
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Thermoelasticity and thermal shock
Journal of the Mechanics and Physics of Solids, 1956Abstract T he relevant equations for a thermoelastic solid are derived from thermodynamical principles. The problem of “initial” thermal shock is formulated and the solution is found to be similar to that of the Fourier equation with a modified diffusivity.
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