Determination of Wear in Polymers Using Multiple Scratch Test.

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Wear is an important phenomenon that occurs in all the polymer applications in one form or the other. However, important links between materials properties and wear remain illusive. Thus optimization of material properties requires proper understanding of polymer properties. Studies to date have typically lacked systematic approach to all polymers and wear test developed are specific to some polymer classes. In this thesis, different classes of polymers are selected and an attempt is made to use multiple scratch test to define wear and to create a universal test procedure that can be employed to most of the polymers. In each … continued below

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Damarla, Gowrisankar August 2004.

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  • Damarla, Gowrisankar

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Description

Wear is an important phenomenon that occurs in all the polymer applications in one form or the other. However, important links between materials properties and wear remain illusive. Thus optimization of material properties requires proper understanding of polymer properties. Studies to date have typically lacked systematic approach to all polymers and wear test developed are specific to some polymer classes. In this thesis, different classes of polymers are selected and an attempt is made to use multiple scratch test to define wear and to create a universal test procedure that can be employed to most of the polymers. In each of the materials studied, the scratch penetration depth s reaches a constant value after certain number of scratches depending upon the polymer and its properties. Variations in test parameters like load and speed are also studied in detail to understand the behavior of polymers and under different conditions. Apart from polystyrene, all the other polymers studied under multiple scratch test reached asymptotes at different scratch numbers.

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  • August 2004

Added to The UNT Digital Library

  • Feb. 15, 2008, 3:30 p.m.

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  • April 20, 2020, 9:51 a.m.

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Damarla, Gowrisankar. Determination of Wear in Polymers Using Multiple Scratch Test., thesis, August 2004; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc4627/: accessed March 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .

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