High Performance Engine Mounts to Suit Various Environment for Automotive Application

Anandan Sivakumar; V. Saishanker; Raghvendra Gopal

doi:10.4271/2014-01-2865

Success of the vehicle in cold countries depends on performance of the vehicle under cold climatic conditions. In automobiles, structural elastomer components have strong influence on vehicle performance including NVH, ride comfort & durability.

Elastomers are sensitive in nature to these climatic conditions due to its temperature dependent visco-elastic behavior. Thus, it is very important to understand structural elastomer component's performance at sub zero temperatures. In a vehicle, Engine mount is used to hold engine firmly and isolate vibrations away from chassis. Vibration isolation of a mount at low temperature is generally affected by the rubber composition. Major ingredients of the rubber composition influencing the low temperature characteristics are Elastomer type, filler type, plasticizer and curing system. Rubber composition plays key role in achieving engine mount properties like static stiffness, dynamic stiffness, permanent set and durability.

In this work, influence of low temperature has been successfully evaluated for engine mount application by varying elastomer type, filler type, plasticizer and curing system. Subject work led to successful evaluation of various rubber formulations to meet desired functional targets and requirements.

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High Performance Engine Mounts to Suit Various Environment for Automotive Application 2014-01-2865

SAE MOBILUS