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Showing 1 to 20 of 72 for “"thermal shock"”.
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Thermal shock of graphite disks
Includes bibliographical references.
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Thermal shock resistance of ceramics.
Thesis: M.S., Massachusetts Institute of Technology, Department of Metallurgy and Materials Science, 1973
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Improving the thermal shock resistance of zirconium diboride ceramics
"This research has focused on improving the thermal shock resistance of zirconium diboride (ZrB₂) based ceramics. Despite the development of ZrB₂-based materials for their use in high temperature applications, the thermal shock properties have not been investigated extensively. Materials expected …
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Improving the thermal shock resistance of silicon carbide ceramics
… of the Ph.D. research has been to increase the thermal shock resistance of silicon carbide (SiC) based ceramics. Several applications utilize SiC in conditions generating thermal stresses, including but not limited to, heat exchangers, rocker nozzles, turbo charger rotors and combustion engine …
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Thermal shock behaviour of different tungsten grades under varying conditions
… in terms of steady state and transient thermal loads as well as high particle fluxes such as hydrogen, helium and neutrons. Candidate wall materials are beryllium, tungsten and carbon based materials like CFC (carbon fibre composite). Tungsten is the most promising material for an …
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Development of a Novel Thermal Shock test for isostatically Pressed Carbon-Bonded Refractories
In refractory engineering, assessing thermal shock resistance is crucial for flow-control components such as ladle shrouds, tundish nozzles, and slide gates. Chemical, mechanical, and thermal degradation of these parts can produce severe safety, environmental and economic consequences in steel …
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Experimental and Analytical Investigation of the Film Conductance Coefficient Boundary Condition for Thermal Shock of a Conical Shell
Made available in DSpace on 2014-12-10T17:25:25Z (GMT). No. of bitstreams: 1 6500792.pdf: 2436985 bytes, checksum: 57e1c33902a245328fbc8d24a3057aa2 (MD5) Previous issue date: 1964
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Correlation of localised thermal shock to isothermal biaxial crack growth rates in thin plates of AISI 316 stainless steel.
… stainless steel, AISI 316, loaded with transient thermal downshock. Further to this isothermal centre-cracked plates loaded under isothermal biaxial conditions are modelled. Crack growth rates are then applied to the models to determine a correlation between the two geometries. The work presented …
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Transcriptomic analysis of the response of the lactic acid bacteria Lactococcus piscium for the identification of possible adaptive genes during thermal shock in cold and warm temperatures
… analyze in a transcriptome level, cold and heat shock stress to spoilage lactic acid bacteria, a time-dependent RNA-seq for Lactococcus piscium with a temperature of 0 °C and 28 °C was conducted. The data of protein regulation during the experiment shows that Lactococcus piscium has the essential …
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Einfluss von Aluminiumoxid- und Titanoxid-Additiven auf die Thermoschockbeständigkeit von MgO-teilstabilisiertem Zirkonoxid
… demands are made on refractories with respect to thermal shock and corrosion. A group of ZrO2-spinel composite materials was therefore developed at the Institute of Ceramic Components in Mechanical Engineering at RWTH Aachen University, which combines the good corrosion resistance of ZrO2 with …
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Novel diesel particulate filters containing fine ceramic fibres
… particulate via combustion), and in improved thermal shock resistance. To contribute to these aims, this work focuses on creating novel composite materials through the introduction of fine ceramic fibres. Filtration efficiency is considered by experimental measurement of porosity and …
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Prevention, Control and Eradication of Aquatic Invasive Species
… efficacy of various disinfectant solutions and thermal shock treatments to rapidly kill propagule stages of selected invasive species is assessed. The examined species included eight invasive macrophyte, Quagga (Dreissena bugensis) and Zebra (Dreissena polymorpha) mussels, Asian clam (Corbicula …
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Pottery engineering in ancient Guerrero, Mexico : the site of Las Fundiciones
… to a variety of chemical, mechanical, and thermal tests to determine their material properties. Clays are matched with petrographic groupings of potsherds, showing that potters were using local clays. The clays are ranked according to their ability to withstand thermal shock, since this is …
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Fully coupled three-dimensional transient thermoelasticity analysis of fiber-reinforced laminate composite materials
… however, due to the heterogeneity of their thermal and mechanical properties, they are particularly susceptible to the influences of their thermal environment during manufacture and in certain applications. Therefore, it is essential to be able to perform thorough thermoelasticity analyses …
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Modeling the Behavior of Type 304 Stainless Steel With a Unified Creep-Plasticity Theory
… stainless steel under uniaxial loading and isothermal conditions. The model is also modified so that nonisothermal behavior can be simulated. Predictions of the behavior of a two-bar structure under thermal shock loading are compared with experimental results.
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Analysis of carbon based materials under fusion relevant thermal loads
… properties at elevated temperatures and their thermal shock resistance is one of the highest, making them suitable for thermal management purpose during long or extremely short heat pulses. Nuclear grade fine grain graphite was the prime form of CBM which was set as a standard but when it comes …
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Ancient engineering : selective ceramic processing in the Middle Balsas Region of Guerrero, Mexico
… with varying materials properties, such as thermal shock resistance and permeability. These properties are differentially useful for certain tasks, such as cooking or water-cooling. In certain cases, such as the use of shell temper in North America, an improvement in thermal shock resistance …
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The effects of temperature on the sensitivity of Daphnia pulex to two simulated industrial effluents
… to both simulated effluents and short-term thermal shock had significantly more nonviable eggs and young. Survival of 20 C Daphnia pre-exposed to both simulated effluents and subjected to a 12 C thermal shock was significantly reduced. Reproductively immature Daphnia showed a noncompensatory …
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Study of Titanium based Composite Coatings for Resistance against Molten Aluminium Soldering on H13 Tool Steel
… and also damages the die surface. The use of thermal spray coatings provides protection to the surfaces operating in severe environments. An HVOF thermally sprayed coating has the advantage of having excellent bond strength and very low porosity levels (< 1%). This research work is concerned …
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Ultrasonic Pyrometer for Industrial Applications
… suited for ceramic sensors which have poor thermal shock-resistance, User tests on a nuclear reactor, a jet engine and in molten lead established the practicality of these probes, A literature study of melting point, elastic constant, internal friction and thermal shock-resistance, the most …
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