Abstract
Fiber metal laminates are best knownalternate to full metals in bearing dynamic loads during service. Intermediate stacking of the polymeric composites between the metal layers is termed as fiber metal laminates (FML). Laminates are graded to meet the service requirements accordingly, andstacks are outlined. In this present study, the laminates constituting natural rubber latex with subsequent Lead-bismuth eutectic alloy were stacked in 3/2 sequence through the hot compression route. Tribological experiments were conducted in a Pin-on-Disc wear tester as per ASTM G99 specifications. Tests were run for two different contact pressure viz., 0.5 bar, and 1.0 bar as a function of abrading velocity (1, 2, and 3 m/s). Dry sliding was done until the reach of 1500 m run and observations were made at an interval of 300 m. Friction coefficient and specific wear rate of the specimen were calculated from the recorded frictional force and measured volumetric losses. The present work discusses the volumetric loss in FML as a function of test parameters and failure mechanisms identified through electron imaging. Results reveal that increase in contact pressure accelerates the volumetric loss of FML, resulting in massive structural integration, worn morphology attribute adhesion abrasion coupled failures in the tested specimens.
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