Detection of the brill transition to elucidate localized thermal history in nylon 6/6 injection molded samples

Alicyn Marie Rhoades, Jason Williams, John Beaumont

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The semi-crystalline microstructure of nylon 6/6 is directly related to the shear and thermal history of the material. Injection molding freezes in a set microstructure distribution through the thickness of a quenched sample. The relationship between the amorphous and crystalline domains in nylon 6/6 injection molded samples was explored using DMA, Flash DSC and FTIR analysis. The rate of injection during molding was shown to have the most significant effect on final microstructure distribution through the part thickness. Areas within the test geometries were analyzed to determine if the microstrucfure had formed at conditions above or below the Brill transition temperature, providing insight to the condition of localized polymer melt just prior to quenching.

Original languageEnglish (US)
Title of host publication72nd Annual Technical Conference of the Society of Plastics Engineers, ANTEC 2014: The Plastics Conference
PublisherSociety of Plastics Engineers
Pages2508-2513
Number of pages6
Volume3
EditionJanuary
StatePublished - 2014
Event72nd Annual Technical Conference of the Society of Plastics Engineers: The Plastics Conference, ANTEC 2014 - Las Vegas, United States
Duration: Apr 28 2014Apr 30 2014

Other

Other72nd Annual Technical Conference of the Society of Plastics Engineers: The Plastics Conference, ANTEC 2014
CountryUnited States
CityLas Vegas
Period4/28/144/30/14

Fingerprint

Injection molding
Microstructure
Crystalline materials
Polymer melts
Dynamic mechanical analysis
Superconducting transition temperature
Quenching
Geometry
Hot Temperature
nylon 6

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Chemical Engineering(all)

Cite this

Rhoades, A. M., Williams, J., & Beaumont, J. (2014). Detection of the brill transition to elucidate localized thermal history in nylon 6/6 injection molded samples. In 72nd Annual Technical Conference of the Society of Plastics Engineers, ANTEC 2014: The Plastics Conference (January ed., Vol. 3, pp. 2508-2513). Society of Plastics Engineers.
Rhoades, Alicyn Marie ; Williams, Jason ; Beaumont, John. / Detection of the brill transition to elucidate localized thermal history in nylon 6/6 injection molded samples. 72nd Annual Technical Conference of the Society of Plastics Engineers, ANTEC 2014: The Plastics Conference. Vol. 3 January. ed. Society of Plastics Engineers, 2014. pp. 2508-2513
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Rhoades, AM, Williams, J & Beaumont, J 2014, Detection of the brill transition to elucidate localized thermal history in nylon 6/6 injection molded samples. in 72nd Annual Technical Conference of the Society of Plastics Engineers, ANTEC 2014: The Plastics Conference. January edn, vol. 3, Society of Plastics Engineers, pp. 2508-2513, 72nd Annual Technical Conference of the Society of Plastics Engineers: The Plastics Conference, ANTEC 2014, Las Vegas, United States, 4/28/14.

Detection of the brill transition to elucidate localized thermal history in nylon 6/6 injection molded samples. / Rhoades, Alicyn Marie; Williams, Jason; Beaumont, John.

72nd Annual Technical Conference of the Society of Plastics Engineers, ANTEC 2014: The Plastics Conference. Vol. 3 January. ed. Society of Plastics Engineers, 2014. p. 2508-2513.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - The semi-crystalline microstructure of nylon 6/6 is directly related to the shear and thermal history of the material. Injection molding freezes in a set microstructure distribution through the thickness of a quenched sample. The relationship between the amorphous and crystalline domains in nylon 6/6 injection molded samples was explored using DMA, Flash DSC and FTIR analysis. The rate of injection during molding was shown to have the most significant effect on final microstructure distribution through the part thickness. Areas within the test geometries were analyzed to determine if the microstrucfure had formed at conditions above or below the Brill transition temperature, providing insight to the condition of localized polymer melt just prior to quenching.

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Rhoades AM, Williams J, Beaumont J. Detection of the brill transition to elucidate localized thermal history in nylon 6/6 injection molded samples. In 72nd Annual Technical Conference of the Society of Plastics Engineers, ANTEC 2014: The Plastics Conference. January ed. Vol. 3. Society of Plastics Engineers. 2014. p. 2508-2513