Morphology development with tensile strain in glass flake filled polypropylene

Katherine M. Shipley, Krishnamurthy Jayaraman, Kevin L. Nichols, Michael H. Mazor

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

Abstract

The object of this study was to understand the phenomenon of voiding around particles in stretching filled polymers below the melting temperature with plate shaped fillers. Injection molded tensile bars of glass flake filled polypropylene with 20 vol% of glass flakes were subjected to axial strains ranging from 0.1% to 1.0% at 130°C to 150°C in a tensile frame. The onset of debonding in glass flake filled polypropylene at these temperatures was readily identified from stress-strain curves in tensile tests. Substantial void growth was observed around the flakes at strains as low as 0.5% and 1%. Furthermore, voids were seen to develop all around the glass flakes rather than just at the ends along the stretch direction.

LanguageEnglish (US)
Title of host publicationTechnical Papers, Regional Technical Conference - Society of Plastics Engineers
Pages1980-1984
Number of pages5
Volume4
StatePublished - 2008
Event66th Annual Technical Conference of the Society of Plastics Engineers, Plastics Encounter at ANTEC 2008 - Milwaukee, WI, United States
Duration: May 4 2008May 8 2008

Other

Other66th Annual Technical Conference of the Society of Plastics Engineers, Plastics Encounter at ANTEC 2008
CountryUnited States
CityMilwaukee, WI
Period5/4/085/8/08

Profile

Polypropylenes
Tensile strain
Glass
Filled polymers
Debonding
Stress-strain curves
Stretching
Melting point
Fillers
Temperature

Keywords

  • Debonding
  • Glass flakes
  • High temperature
  • Polypropylene

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Materials Chemistry
  • Polymers and Plastics

Cite this

Shipley, K. M., Jayaraman, K., Nichols, K. L., & Mazor, M. H. (2008). Morphology development with tensile strain in glass flake filled polypropylene. In Technical Papers, Regional Technical Conference - Society of Plastics Engineers (Vol. 4, pp. 1980-1984)

Morphology development with tensile strain in glass flake filled polypropylene. / Shipley, Katherine M.; Jayaraman, Krishnamurthy; Nichols, Kevin L.; Mazor, Michael H.

Technical Papers, Regional Technical Conference - Society of Plastics Engineers. Vol. 4 2008. p. 1980-1984.

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

Shipley, KM, Jayaraman, K, Nichols, KL & Mazor, MH 2008, Morphology development with tensile strain in glass flake filled polypropylene. in Technical Papers, Regional Technical Conference - Society of Plastics Engineers. vol. 4, pp. 1980-1984, 66th Annual Technical Conference of the Society of Plastics Engineers, Plastics Encounter at ANTEC 2008, Milwaukee, WI, United States, 5/4/08.
Shipley KM, Jayaraman K, Nichols KL, Mazor MH. Morphology development with tensile strain in glass flake filled polypropylene. In Technical Papers, Regional Technical Conference - Society of Plastics Engineers. Vol. 4. 2008. p. 1980-1984.
Shipley, Katherine M. ; Jayaraman, Krishnamurthy ; Nichols, Kevin L. ; Mazor, Michael H./ Morphology development with tensile strain in glass flake filled polypropylene. Technical Papers, Regional Technical Conference - Society of Plastics Engineers. Vol. 4 2008. pp. 1980-1984
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AB - The object of this study was to understand the phenomenon of voiding around particles in stretching filled polymers below the melting temperature with plate shaped fillers. Injection molded tensile bars of glass flake filled polypropylene with 20 vol% of glass flakes were subjected to axial strains ranging from 0.1% to 1.0% at 130°C to 150°C in a tensile frame. The onset of debonding in glass flake filled polypropylene at these temperatures was readily identified from stress-strain curves in tensile tests. Substantial void growth was observed around the flakes at strains as low as 0.5% and 1%. Furthermore, voids were seen to develop all around the glass flakes rather than just at the ends along the stretch direction.

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