Models for predicting powder-polymer properties and their use in injection molding simulations of aluminum nitride Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/pr76f641g

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  • Powder injection molding (PIM) is widely used to manufacture complex-shaped ceramic and metal components in high production volumes. In order to design and fabricate PIM components, it is important to know a number of material properties at different powder- polymer compositions. In this thesis, several predictive models for estimating rheological, thermal and mechanical properties as a function of powder-polymer mixtures were evaluated using experimental data obtained from the literature. Based on this survey, models were selected for predicting rheological, thermal and mechanical properties for aluminum nitride-polymer mixtures at various volume fractions of powder using experimental measurements of unfilled and filled polymers. The material properties were estimated for two aluminum nitride powder-polymer mixtures and used in mold-filling simulations. These results will provide new perspectives and design tools for identifying useful material compositions, component geometry attributes, and process parameters while eliminating expensive and time-consuming trial-and-error practices prevalent in PIM.
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  • description.provenance : Approved for entry into archive by Julie Kurtz(julie.kurtz@oregonstate.edu) on 2013-01-28T21:13:28Z (GMT) No. of bitstreams: 3 license_rdf: 22765 bytes, checksum: 56265f5776a16a05899187d30899c530 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Kunal Kate MS thesis final copy.pdf: 23135683 bytes, checksum: 106d881123480df8579d0146bf4c210b (MD5)
  • description.provenance : Made available in DSpace on 2013-01-29T16:23:36Z (GMT). No. of bitstreams: 3 license_rdf: 22765 bytes, checksum: 56265f5776a16a05899187d30899c530 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Kunal Kate MS thesis final copy.pdf: 23135683 bytes, checksum: 106d881123480df8579d0146bf4c210b (MD5) Previous issue date: 2012-12-13
  • description.provenance : Submitted by Kunal Kate (katek@onid.orst.edu) on 2013-01-18T20:07:55Z No. of bitstreams: 3 license_rdf: 22765 bytes, checksum: 56265f5776a16a05899187d30899c530 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Kunal Kate MS thesis final copy.pdf: 23135683 bytes, checksum: 106d881123480df8579d0146bf4c210b (MD5)
  • description.provenance : Approved for entry into archive by Laura Wilson(laura.wilson@oregonstate.edu) on 2013-01-29T16:23:36Z (GMT) No. of bitstreams: 3 license_rdf: 22765 bytes, checksum: 56265f5776a16a05899187d30899c530 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) Kunal Kate MS thesis final copy.pdf: 23135683 bytes, checksum: 106d881123480df8579d0146bf4c210b (MD5)

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