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 2673 for “"high temperature"”.
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High temperature ceramic composites
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1995.
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High temperature gas reactions
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1959.
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Advanced Synthesis of Ultra-High Temperature Ceramics (UHTCs) and High Temperature Electron Emitting Materials
… have the inherent capability to resist extreme temperatures, high thermal shock due to high heat flux, and high oxidation and ablation. First, the ultra-high temperature ceramic (UHTC) zirconium diboride or ZrB2 was sintered by ultra-fast high temperature sintering (UHS). The UHS process was …
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High temperature studies of sodalites
… bonding in an Ag-X bond vs. a Na-X bond. High temperature X-ray powder diffraction studies were then carried out on these systems and it was found that they all displayed positive thermal expansion from room temperature up to 822ºC. The coefficients of thermal expansion for the bromide …
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High Temperature Serotypes in Tetrahymena
Made available in DSpace on 2014-12-10T17:47:15Z (GMT). No. of bitstreams: 1 6711902.pdf: 1973309 bytes, checksum: 2681fd6443f1f40a6ecedab50ff0b6ce (MD5) Previous issue date: 1967
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High Temperature Corrosion Studies of Metallic Materials in High Temperature Gas-Cooled Nuclear Reactor Helium Environment
Made available in DSpace on 2017-07-06T18:55:04Z (GMT). No. of bitstreams: 3 Lee_Daniel_K_MS.pdf: 75457165 bytes, checksum: 1c352f8a0eaf27a3c60286c777a82659 (MD5) Lee_Daniel_K_MS_ABS.pdf: 628459 bytes, checksum: 9adc2363b16d312ea8d65075fd1b4b1f (MD5) license.txt: 4813 bytes, checksum: …
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Flux tube profiles at high temperature
… around a static quark and anti-quark pair at high temperature by means of lattice simulations of Quantum Chromodynamics in the quenched approximation. Measuring the electric and magnetic components of the gluon field at temperatures close to the critical temperature of the phase transition …
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HIGH TEMPERATURE NANOMANUFACTURING FOR EMERGING TECHNOLOGIES
High temperature processing can provide sufficient activation energy for materials’ compositional, structural, and morphological evolutions, and is essential for various kinds of reactions, synthesis, and post-treatment. However, the current high temperature heating sources, mostly furnaces, are …
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High-Temperature Au Implanted Into Ni
Made available in DSpace on 2017-07-06T18:48:47Z (GMT). No. of bitstreams: 3 James_Michael_R_MS.pdf: 30637392 bytes, checksum: 259bbf5a836f5ce0bf166b7ea42e55c4 (MD5) James_Michael_R_MS_ABS.pdf: 589882 bytes, checksum: 646a5beb7e11516d8c23dd26f785d027 (MD5) license.txt: 4813 bytes, checksum: …
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Doping In high temperature cuprate superconductors
Submitted by Meng Tao (mengtao2@illinois.edu) on 2012-10-26T21:35:41Z No. of bitstreams: 1 Oh_Seongshik.pdf: 5610417 bytes, checksum: 2a18c3466c004f848f4a3765f4d542f0 (MD5)
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Theory of High Temperature Spin Dynamics
The problems of high-temperature spin dynamics have practical applications in the fields of nuclear magnetic resonance and inelastic neutron scattering. At the same time. those problems represent an important limit for the study of strongly interacting many-body systerns. In this thesis, we …
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High temperature concrete for nuclear reactors
… investigates the response of concrete to high temperatures for extended periods, such as those that may be experienced in a normally operating nuclear reactor.
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Photonic crystals for high temperature applications
… of metallic photonic crystals (MPhCs) for high temperature applications, for instance thermophotovoltaic (TPV) energy conversion and selective solar absorption. We begin with the exploration of refractory two-dimensional (2D) MPhC slabs as selective thermal emitters that approach the …
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GaN Electronics for High-Temperature Applications
… material properties, which have given rise to high-performance (room temperature) transistors for RF, power, MEMS, and mixed-signal applications. Previous works on high-temperature (HT) electronics have been typically limited to two aspects, namely, the high-temperature robustness of discrete …
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GaN electronics for high-temperature applications
Gallium nitride is a promising candidate for high-temperature applications. However, despite the excellent performance shown by early high-temperature prototypes, several issues in traditional lateral AlGaN/GaN HEMTs could cause early degradation and failure under high-temperature operation (over …
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Internal modes in high temperature plasmas
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Physics, 1983.
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High temperature fiber optic strain sensing
Two high temperature fiber optic based strain sensors have been developed for use in a coal combustor environment. An intensity based sensor uses losses created by longitudinal misalignment as a sensing mechanism and has a maximum operating temperature of 700°C. An interferometric based sensor …
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Circuit rating methods for high temperature cables
… overhead lines, many vital links make use of high voltage cable circuits. Advances in our ability to manipulate the properties of dielectric materials has led to increased interest among the cable community as to whether new cables could be designed which could deliver improved power transfer …
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Friction stir welding of high temperature alloys
… refinement. An effort was made to predict room temperature yield strength for MA956 alloy with strengthening contribution analysis. On the other hand, at high temperature, degradation of creep properties was observed in MA754 alloy. Analysis of MA754 alloy with three grain structures …
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Critical current anisotropy in high temperature superconductors
After nearly 15 years of research effort, High Temperature Superconductors (HTS) are finding a wide range of practical applications. A clear understanding of the factors controlling the current carrying capacity of these materials is a prerequisite to their successful technological development. The …
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