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 120 for “"thermal history"”.
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Glass formation and thermal history.
Thesis. 1977. Ph.D.--Massachusetts Institute of Technology. Dept. of Materials Science and Engineering.
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Thermal history models of icy satellites.
Thesis. 1975. M.S.--Massachusetts Institute of Technology. Dept. of Earth and Planetary Sciences.
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Thermal history model of the Williston Basin
… by empirical and analytical methods. A review of thermal-mechanical models suggests that the Williston Basin was formed by more than one mechanism. The Williston Basin may have been initiated by a thermal event followed by thermo-flexural or phase transition subsidence. </p><p> The heat that …
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Thermal History of the Chesapeake Bay Impact Crater
… to characterize a possible post-impact hydrothermal system. Thermal maturity and radiogenic techniques were used to estimate the temperature history of the crater sediments. Core samples from one borehole just outside the crater, two within the annular trough, and one shallow borehole within …
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Petrogenesis and thermal history of the Kunlun Batholith, Northern Tibet
… Terrane cooled extremely slowly until a state of thermal equilibration was reached. The collision of India with Tibet at 45 Ma thickened the Tibetan crust and resulted in further reactivation of faults in the Kunlun Terrane. Apatites from the granites between the Golmud and Xidatan faults give …
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Prediction and Control of Thermal History in Laser Powder Bed Fusion
… goal of this work is to predict and control the thermal history of an LPBF part. The thermal history is the spatiotemporal distribution of temperature in an LPBF part as it is created layer by layer. Thermal history is the primary cause of flaw formation in LPBF. To realize this goal, the …
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Subsidence, compaction, and thermal history of sediments in the northern North Sea
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth and Planetary Sciences, 1982.
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The role of thermal history in shaping the microbiome of Red Sea corals
… this work aimed to investigate the historical thermal variability along the Red Sea and subsequently identify the relative role of coral microbiome associated with differences in coral thermal tolerance. Remotely sensed data (1982-2012) demonstrated migration of Sea Surface Temperature …
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The structural, metamorphic and thermal history of the Sonnblick Dome, southeast Tauern Window, Austria
Within the southeastern Tauern Window, the Sonnblick Dome is a large, NE-verging, antiformal structure composed of orthogneisses of the Zentralgneis Complex. This unit represents part of the European crystalline basement, or Penninic domain, over which the Adriatic microplate was thrust during …
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Paragenesis, fluid origin, and thermal history of a low-sulfidation epithermal gold-silver system
… veins, microcrystalline quartz veins, and hydrothermal breccias +/- Au in the southern Castle Mountains, California were collected from four different zones within and up to 5 km outside the mine area in order to construct a paragenesis, interpret fluid origin, describe the thermal history, and …
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The effects of deposit thermal history on microstructure produced by uniform droplet spray forming
… thesis is to quantify the effects of deposit thermal history on the microstructure produced by the UDS forming process. Experiments were conducted with Zn-20wt% Sn alloy droplets using different process parameters to vary the deposit solidification rate from 6⁰C/s to 27⁰C/s immediately after …
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Applications of Elastic Modeling, Thermobarometry, and Thermal History Modeling to (Ultra)high-Pressure Metamorphic Rocks
… crust and sediments along relatively cold geothermal gradients. (U)HP metamorphic rocks may be incorporated into the subduction zone accretionary wedge and exhumed, thereby providing a direct records of subduction zone conditions and processes. This PhD research is focused on the determination …
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Post-Orogenic Thermal History and Exhumation of the Northern Appalachian Basin: Low-Temperature Thermochronologic Constraints
… has evolved into a robust tool for constraining thermal histories and determining exhumation rates within the upper continental crust. Low-temperature thermochronology, notably apatite fission-track thermochronology because it has a kinetic parameter (i.e. track lengths), is commonly used to …
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Argon diffusion gradients in micas and implications for the thermal history of the Sandia pluton
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1994.
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Diagenetic controls on porosity, thermal history, and hydrocarbons in the Wolfcamp A, eastern Midland Basin, Texas
… west Texas, is used to understand the diagenetic history of the region and the controls on carbonate macroporosity. Transmitted-light microscopy, UV-epifluorescence, cathodoluminescence, and SEM-EDS microscopy, as well as δ18O, δ13C, 87Sr/86Sr, and fluid inclusion analyses were performed. The …
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Study of the earth's thermal history and magnetic field evolution using geodynamical models and geochemical constraints
The thermal history of the Earth, from planetary accretion and core differentiation up to the present time, is of paramount importance for understanding our planet. The thermal evolution of the core and the mantle dictate the generation of the Earth's internal magnetic field and its evolution …
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The effects of thermal history and degree of cross-polymerization on the thermochromic behavior of diacetylene-containing polyesters
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1994.
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The effects of thermal history and composition on the thermodynamic behaviour of helium in tungsten and tungsten-based alloys
… Bubbles in the HT sample were found to be thermally active up to 998 K, resulting in an increase in the average bubble size and a loss of number density. GISAXS analysis on the effects of annealing on bubble radius distribution produces results consistent with the TEM. An "Ostwald …
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The effects of thermal history and composition on the thermodynamic behaviour of helium in tungsten and tungsten-based alloys
… Bubbles in the HT sample were found to be thermally active up to 998 K, resulting in an increase in the average bubble size and a loss of number density. GISAXS analysis on the effects of annealing on bubble radius distribution produces results consistent with the TEM. An "Ostwald …
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Insights from integrated deep-time thermal history modeling; Constraining the burial, exhumation, and long-term stability of the Fennoscandian Shield
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-08-01
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