Analysis Of Low Temperature Impact Fracture Data Of Thermoplastic Polymers

C, V., Seltzer, R., Fasce, L., Frontini, P., Leskovics, K., Lenkey, G. B. and Czigany, T. (2004). Analysis Of Low Temperature Impact Fracture Data Of Thermoplastic Polymers. In: Atrens, A., Boland, J. N., Clegg, R. and Griffiths, J. R. Structural Integrity and Fracture International Conference (SIF'04), Brisbane, Australia, (297-304). 26-29 September 2004.

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Author C, V.
Seltzer, R.
Fasce, L.
Frontini, P.
Leskovics, K.
Lenkey, G. B.
Czigany, T.
Title of paper Analysis Of Low Temperature Impact Fracture Data Of Thermoplastic Polymers
Conference name Structural Integrity and Fracture International Conference (SIF'04)
Conference location Brisbane, Australia
Conference dates 26-29 September 2004
Publication Year 2004
Sub-type Fully published paper
Editor Atrens, A.
Boland, J. N.
Clegg, R.
Griffiths, J. R.
Start page 297
End page 304
Abstract/Summary Impact fracture toughness of polypropylene (PP) blends, high density polyethylene (HDPE) and rubber toughened polymethylmethacrylate (RTPMMA) has been studied by means of three-point bending falling weight impact testing at different temperatures ranging from -60 degrees C to room temperature using the cleavage fracture toughness, JC parameter [ASTM E1820-99a]. The latter Fracture Mechanics methodology was chosen due to its simplicity [Fasce et al., 2003]. Traces of the impact tests were analyzed using an inverse methodology just proposed by Pettarin et al. (2003). This methodology makes it possible to obtain from a three-point bending instrumented impact test the mechanical response of the material, discarding the dynamic effects associated with the test. The results show that the average JC values calculated with treated and untreated data are similar for a given material, while the standard deviations are larger when the calculations are made with the untreated data. It is clear that the inverse methodology used to correct the data reduces error propagation, giving place to more precise estimations, and therefore more reliable JC values.
Subjects 291401 Polymers
Keyword polypropylene
high density polyethylene
polymethylmethacrylate
fracture
testing
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Conference Paper
Collection: School of Mechanical & Mining Engineering Publications
 
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Created: Wed, 22 Dec 2004, 10:00:00 EST by Belinda Weaver (EA) on behalf of Research Management Office