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The Effect of Coating Composition on the Friction Induced Paint Damageability of Painted Thermoplastic Olefins (TPOs)
Technical Paper
1999-01-1205
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Damage to painted automotive plastics induced by Hertzian contact stresses continues to plague the material engineer involved in the design and selection of fascias, bumpers, body-side moldings, and the like. Studies conducted to determine the root cause of such failures have focused on the effects of paint and the role of friction in the compressive, tensile and shear failure of painted thermoplastic olefins (TPOs). The study described herein probes the effects of paint type on the compressive, tensile and shear damage resistance of painted TPO substrates. Coating variations, e.g., adhesion promoter and topcoat type, and their effect on damage type and damage sensitivity will be described. The apparatus utilized to impart the damage, SLIDO, and the variables studied affecting the damage, e.g., acceleration, velocity, temperature, and loading pressure, are also discussed.
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Citation
Ryntz, R. and Mihora, D., "The Effect of Coating Composition on the Friction Induced Paint Damageability of Painted Thermoplastic Olefins (TPOs)," SAE Technical Paper 1999-01-1205, 1999, https://doi.org/10.4271/1999-01-1205.Also In
References
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