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Both of these issues are due to the improper cooling of the material after it is extruded at high temperature coupled with an inconsistent/bulk annealing process by the manufacturer. ... Milling Plastics...
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www.eastcoastmfg.com/plastic_annealing.htm
www.eastcoastmfg.com/plastic_annealing.htm
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Boedeker Plastics, Inc. 1-800-444-3485 : Plastic annealing and/or post-machining ... any internal stresses that may result from the manufacturing process. ...
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www.boedeker.com/anneal.htm
www.boedeker.com/anneal.htm
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We claim: 1. A process for annealing thermoplastically-shaped plastics parts for reducing the internal stresses, by treating the plastics parts after shaping with heat wherein the heat is transmitted to the plastics parts for 20-240 seconds by infra-red radiation of from 1200 nm to 5000 nm to produce a temperature...
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www.freepatentsonline.com/4594204.html
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Commercially available, forced-air circulation ovens designed for the annealing and heating of parts are recommended. Good forced air circulation ensures uniform temperatures essential to the annealing process. ... The Plastics Distributor and Fabricator - Your Industry Magazine...
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www.plasticsmag.com/ta.asp?aid=2514
www.plasticsmag.com/ta.asp?aid=2514
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Annealing of Plastics is an important step in the plastic machining process. Annealing is obtained when metal or plastic is subjected to a process of heating and slow cooling in order to toughen the substrate and reduce brittleness.
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www.arrowcryogenics.com/annealing.htm
www.arrowcryogenics.com/annealing.htm
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Annealing is a high temperature after-treatment of an injection molded part. ... Stanyl parts will anneal at lower temperatures - e.g. when operating at continuous temperatures around 150°C,but the process will take longer. As a planned heat treatment in a production process, the higher temperatures mentioned above should...
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www.dsm.com/en_US/html/dep/annealing_2.htm
www.dsm.com/en_US/html/dep/annealing_2.htm
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Mold flow analysis software is best used to avoid processing problems, by optimizing gate locations, balancing runner systems or determining molding machine tonnage requirements. ... Capabilities; CAE; Conceptual design; Structural analysis; Process simulation...
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www.dsm.com/en_US/html/dep/design_process_simulation.ht...
www.dsm.com/en_US/html/dep/design_process_simulation.htm
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Annealing. Annealing, a process used to strengthen a plastic and reduce its internal stress, is a step not to be overlooked in plastics machining. Without an annealing step, some plastic components will deteriorate from stress cracking.
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www.devicelink.com/mddi/archive/02/04/001.html
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Here we show that the microscopic process of oxygen reduction repairs Cu deficiencies in the as-grown materials and creates oxygen vacancies in the stoichiometric CuO2 planes, effectively reducing disorder and providing itinerant carriers for superconductivity.
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www.nature.com/nmat/journal/v6/n3/abs/nmat1847.html
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