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 409 for “"Molding"”.
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Low thermal inertia injection molding
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1983.
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Injection molding of shotgun shells
… molded shotgun shells was explored. Also, the molding cycle and the effect of molding conditions on the mechanical properties of molded parts were investigated. The polymer obtained from a commercial brand of shotgun shells was analyzed using infrared spectroscopy and differential thermal …
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Injection Molding of Pregenerated Microcomposites
… of this work was concerned with injection molding pregenerated microcomposites composed primarily of poly(ethylene terephthalate) (PET) as the matrix and HX1000 as the thermotropic liquid crystalline polymer (TLCP). Several factors were examined to maximize the mechanical properties of …
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Process monitoring for plastics injection molding
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1993 and Thesis (M.S.)--Massachusetts Institute of Technology, Sloan School of Management, 1993.
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An environmental analysis of injection molding
This thesis investigates injection molding from an environmental standpoint, yielding a system-level environmental analysis of the process. There are three main objectives: analyze the energy consumption trends in injection molding machinery, explore the environmental performance of different …
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A method for precision injection molding
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1979.
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Molding the unshapely structure : rebuilding Boston Chinatown
This study is an attempt to interpret and comprehend the development pattern of urban form in an ethnic community, in this case Boston Chinatown. The study does not propose a detailed urban design framework but calls for a sensitivity in future design interventions for strengthening the cohesive …
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Molding process development for fuel cell components
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1995.
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Knowledge based synthesis system for injection molding
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1985.
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Compression Molding of Carbon Composite Prosthetic Foot Blade
… is to inspect the possibility of compression molding carbon composite foot blades. A proven method was selected from the literature, the method was chosen due to its usage for compression molding composites with curved surfaces where an elastic medium is used as an interface between the solid …
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Microcellular polyurethane foaming by modified reaction injection molding
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1995.
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Durability of sheet molding compound/metal adhesive bonds
Durability of a variety of sheet molding compounds (SMC)/ adhesive /metal systems involving steel, aluminum, phase α-SMC, Budd SMC, and polyurea adherends and polyurethane and epoxy adhesives has been investigated. Three specimen geometries with different modes of stress were employed: lap shear, …
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The processing of microcomposites based on polypropylene and two thermotropic liquid crystalline polymers in injection molding, sheet extrusion, and extrusion blow molding
… The processing methods used are injection molding, sheet extrusion, and extrusion blow molding. The TLCPs used are HX6000 and Vectra A950. The microcomposites are produced by drawing strands of PP and TLCPs generated by means of a novel mixing technique and pelletizing the strands. The work …
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Feasibility study on producing functional parts using molding technology
… the metal-plastic which can produced by molding technology. ABS is compounded with a copper powder in the mixing machine at 190 to 230ºC for 15 minutes at 30 rpm, then charged to the plastic grinder machine in order to form the composite in suitable size to feed it in molding machine. The …
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Mechanical properties of rapid manufacturing and plastic injection molding
… IV test specimen created using plastic injection molding and rapid prototyping. The plastic injection molded parts were tested in this research while the results of the rapid prototyping tests are from Chen-Yu Liu�s thesis at the University of Missouri. Identical procedures and equipment were used …
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Recycling of crosslinked high density polyethylene through compression molding
… rigid products such as fuel tanks using a rotomolding process. Currently, defective and post-consumer parts are not recycled and sent to landfills. Hence, recycling of this material through compression molding is the objective of this study. Thermal analysis revealed that the extent of …
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Development of a Particle Flow Test for Rotational Molding
… qualify resin for use in production in the rotomolding process has been shown to have many flaws in both equipment and procedure. Research was done here to investigate a possible alternative that could eliminate some of these testing deficiencies. By reducing equipment and operator errors, the …
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