Effect of part thickness on the potential to induce cold crystallinity in nylon 6,6 injection molded samples

Alicyn Marie Rhoades, Jason Williams, John Beaumont

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

Abstract

Tensile bars of two different thicknesses were injection molded from Nylon 6,6 under controlled conditions and DMA results compared. Early analysis indicates that cold crystallization can be induced for improved mechanical properties on the 2mm thick samples, but not for the 4mm samples. This is due to the more prominent shear-induced orientation layers inherent in the thinner sample re-orienting during the annealing process. Results indicate there may be applications where the crystalline distribution through the thickness of a part may be critical to the plastic performance in cyclic or thermal load bearing applications.

Original languageEnglish (US)
Title of host publication71st Annual Technical Conference of the Society of Plastics Engineers 2013, ANTEC 2013
PublisherSociety of Plastics Engineers
Pages2465-2469
Number of pages5
Volume3
ISBN (Print)9781632665300
StatePublished - 2013
Event71st Annual Technical Conference of the Society of Plastics Engineers 2013, ANTEC 2013 - Cincinnati, OH, United States
Duration: Apr 22 2013Apr 24 2013

Other

Other71st Annual Technical Conference of the Society of Plastics Engineers 2013, ANTEC 2013
CountryUnited States
CityCincinnati, OH
Period4/22/134/24/13

Fingerprint

Bearings (structural)
Cyclic loads
Dynamic mechanical analysis
Thermal load
Crystallization
Annealing
Plastics
Crystalline materials
Mechanical properties
nylon 6

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Chemical Engineering(all)

Cite this

Rhoades, A. M., Williams, J., & Beaumont, J. (2013). Effect of part thickness on the potential to induce cold crystallinity in nylon 6,6 injection molded samples. In 71st Annual Technical Conference of the Society of Plastics Engineers 2013, ANTEC 2013 (Vol. 3, pp. 2465-2469). Society of Plastics Engineers.
Rhoades, Alicyn Marie ; Williams, Jason ; Beaumont, John. / Effect of part thickness on the potential to induce cold crystallinity in nylon 6,6 injection molded samples. 71st Annual Technical Conference of the Society of Plastics Engineers 2013, ANTEC 2013. Vol. 3 Society of Plastics Engineers, 2013. pp. 2465-2469
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Rhoades, AM, Williams, J & Beaumont, J 2013, Effect of part thickness on the potential to induce cold crystallinity in nylon 6,6 injection molded samples. in 71st Annual Technical Conference of the Society of Plastics Engineers 2013, ANTEC 2013. vol. 3, Society of Plastics Engineers, pp. 2465-2469, 71st Annual Technical Conference of the Society of Plastics Engineers 2013, ANTEC 2013, Cincinnati, OH, United States, 4/22/13.

Effect of part thickness on the potential to induce cold crystallinity in nylon 6,6 injection molded samples. / Rhoades, Alicyn Marie; Williams, Jason; Beaumont, John.

71st Annual Technical Conference of the Society of Plastics Engineers 2013, ANTEC 2013. Vol. 3 Society of Plastics Engineers, 2013. p. 2465-2469.

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

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AU - Beaumont, John

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N2 - Tensile bars of two different thicknesses were injection molded from Nylon 6,6 under controlled conditions and DMA results compared. Early analysis indicates that cold crystallization can be induced for improved mechanical properties on the 2mm thick samples, but not for the 4mm samples. This is due to the more prominent shear-induced orientation layers inherent in the thinner sample re-orienting during the annealing process. Results indicate there may be applications where the crystalline distribution through the thickness of a part may be critical to the plastic performance in cyclic or thermal load bearing applications.

AB - Tensile bars of two different thicknesses were injection molded from Nylon 6,6 under controlled conditions and DMA results compared. Early analysis indicates that cold crystallization can be induced for improved mechanical properties on the 2mm thick samples, but not for the 4mm samples. This is due to the more prominent shear-induced orientation layers inherent in the thinner sample re-orienting during the annealing process. Results indicate there may be applications where the crystalline distribution through the thickness of a part may be critical to the plastic performance in cyclic or thermal load bearing applications.

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Rhoades AM, Williams J, Beaumont J. Effect of part thickness on the potential to induce cold crystallinity in nylon 6,6 injection molded samples. In 71st Annual Technical Conference of the Society of Plastics Engineers 2013, ANTEC 2013. Vol. 3. Society of Plastics Engineers. 2013. p. 2465-2469