Rubber-to-metal bonding: The effect of oil immersion, heat ageing and water absorption on peel strength
2014
Jamal S. N. | Samsuri A. | Ahmad M. A.
Rubber-to-metal bonded products find wide applications in the automotive industry where they are used as rubber springs. These products are exposed to heat, oil and water either deliberately or unintentionally during service. Studies were conducted to evaluate the peel strength of the rubber-to-metal bonded samples after they were subjected to oil immersion, heat ageing and water absorption. The vulcanisation systems and polarity of the rubber influenced the peel strength and durability of rubber-to-metal bonded samples. The conventional sulphur system gave higher peel strength and durability than the efficient vulcanisation (EV) system for both unaged and aged (70ºC/14 days) samples. However, it is polarity of the rubber that is influenced most. The peel strength increased in an increasing order with polarity of the rubber, viz; NR
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