Investigation into Failure in Mining Wire Ropes—Effect of Crystallinity - Open Journal of Organic Polymer Materials

OJOPM > Vol.3 No.2, April 2013

Open Journal of Organic Polymer Materials

Volume 3, Issue 2 (April 2013)

ISSN Print: 2164-5736 ISSN Online: 2164-5752

Google-based Impact Factor: 2.67 Citations

Investigation into Failure in Mining Wire Ropes—Effect of Crystallinity ()

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Download as PDF (Size: 2449KB) PP. 34-40

DOI: 10.4236/ojopm.2013.32006 6,933 Downloads 16,013 Views Citations

Author(s)

Sheila Devasahayam, Veena Sahajwalla, Michael Sng

Affiliation(s)

Moly-Cop Ropes Mayfield NSW 2304 PO Box 245C, Newcastle, Australia.
School of Materials Science & Engineering, University of New South Wales, Sydney, Australia.

ABSTRACT

A range of blends of polypropylene-polyethylene are investigated for their mechanical performances. These speciality polymer blends are chemically designed to suit high modulus/high load bearing mining wire rope applications subjected to continued bending and tensile stresses and fluctuating loads and are exposed to extreme weather conditions. In this paper we study the influence of different parameters on the performance of the wire ropes: chemistry of polymer, crystallinity of the polymer matrix, and the morphology. The FTIR and SEM studies revealed that the high fraction of polypropylene in polypropylene-polyethylene matrix lead to early failure as a result of incompatibility and phase segregation and high spherulite sizes of the polymer matrix.

KEYWORDS

Mining Wire Ropes; Crystallinity; Polyolefin Blends; Morphology; FTIR; SEM

Share and Cite:

Devasahayam, S. , Sahajwalla, V. and Sng, M. (2013) Investigation into Failure in Mining Wire Ropes—Effect of Crystallinity. Open Journal of Organic Polymer Materials, 3, 34-40. doi: 10.4236/ojopm.2013.32006.

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