Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 972 for “"High Temperatures"”.
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Moiré interferometry at high temperatures
… full-field in-plane deformation measurements at high temperature by using high-sensitivity moiré interferometry. This was achieved by a new approach of performing deformation measurements at high temperatures in a vacuum oven using an achromatic interferometer. The moiré system setup was designed …
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Elasticity Measurement at High Temperatures
… A technique of elastic constant measurement at high temperatures, complementary to the resonant thin disc method is given. This consists of a double pulse, time of flight method which does not require a high material Q and easily lends itself to automation. A design for an instrument is …
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Sensors for thermal conductivity at high temperatures
… of molten indium, tin and lead at various temperatures up to 750 K. The results have been compared to previously published data and the discrepancies have been discussed and explained. Each metal has been measured using at least two sensors and the consistency of the measured data has also …
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Torsional creep of tin at high temperatures
… data are presented for tin tested in torsion at temperatures from 1000C to 228°C. Results obtained below 210°C verify observations of other investigators. A creep activation energy of 22.5 Kcal/mol in this temperature range is determined. Above 210°C, an abnormal increase in the steady-state …
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Devolatilization of pulverized coal at high temperatures.
Thesis. 1976. Ph.D.--Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
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Index of refraction of nickel at high temperatures
Call number: LD2668 .T4 1953 W57
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Index of refraction of nickel at high temperatures
Call number: LD2668 .T4 1953 W57
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Fatigue of alumina at room and high temperatures
Fatigue behavior of a polycrystalline alumina at room temperature and 1200$\sp\circ$C was investigated. Uniaxial tensile tests were conducted in both static and cyclic loading to produce stress-life curves. Cyclic loading at room temperature was found to be a deleterious effect on lifetime, as …
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Thermal conductivity of earth materials at high temperatures.
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Sciences, 1971.
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Fatigue crack growth in polycrystalline alumina at high temperatures
High temperature crack growth behavior in a commercial and a hot-pressed polycrystalline Al$\sb2$O$\sb3$ was examined under monotonic tensile loading (static fatigue) and under Mode-I tension-tension cyclic loading (cyclic fatigue). The investigation of fatigue crack growth in polycrystalline …
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Chemomechanical modeling of hydrogen-induced degradation at high temperatures
… of structural materials by hydrogen gas at high temperatures poses serious challenges to the safety of hydrogen technologies operating at elevated temperatures such as solid oxide fuel and electrolyser cells, hydrogen gas turbines, etc. The objective of this dissertation is to develop …
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Sapphire Based Fiber-Optic Sensing for Extreme High Temperatures
… mechanical and optical properties under extreme high temperature (over 1000°C). In this research, a sapphire wafer based Fabry-Perot (FP) interferometer sensor has been proposed, whose functional temperature measurement can go beyond 1600°C. The size of the sensors can be limited to a 2cm-length …
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The resistance of strains of brome grass to high temperatures
LD2668 .T4 1941 S58
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Concrete at high temperatures: hygro-thermo-mechanical degradation of concrete
… isotherms, that is applicable to both normal and high strength concrete, is developed. Furthermore, the effect of the slip flow effect is included and several state equations, including relative permeability and saturation vapour pressure, are adopted. Additionally, the effect of polypropylene …
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Corrosion of alloys by crude fatty acids at high temperatures
This investigation was undertaken in order to determine the effect of alloying on the corrodibility of various alloys to hot crude tallow.
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