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Impact Resistance of Polyurea Coating

Muhammad Syafeeq bin Ebining Amir, Muhammad Syafeeq (2010) Impact Resistance of Polyurea Coating. Universiti Teknologi Petronas. (Unpublished)

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Abstract

Coating failure commonly occurs in industry, and one of the major causes is impact. It is important to study the impact behavior of polyurea. It is expected that coating thickness will play an important role in the impact tolerance of the coating. Several coating fracture initiation has been expected to occur on the impacted surface. Prior to the testing, the substrate underwent surface preparation process. It was then coated up to the specified thickness. The specimen was then cut and prepared for the testing. The testing was done using an impact tester which was constructed by the author, according to ASTM D2794. The damage inspection was done using naked eye and the depth of damage was measured using a depth gauge. Cracking was observed at the coating which failed. The results were tabulated and discussed. It was found that the average impact resistance per millimeter of coating was 32.52 J/ mm. Moreover, it was noted that the thicker the coating, more impact depth is required to fail the coating. In conclusion, coating thickness did play significant impact in impact resistance of polyurea coating

Item Type: Final Year Project
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 5 not found.
Date Deposited: 11 Jan 2012 12:23
Last Modified: 25 Jan 2017 09:43
URI: http://utpedia.utp.edu.my/id/eprint/1405

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