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On the impact of silica and black carbide in improving the anti-vibration of the rubber blends based on natural rubber (NR) and styrene butadiene rubber (SBR)
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On the impact of silica and black carbide in improving the anti-vibration of the rubber blends based on natural rubber (NR) and styrene butadiene rubber (SBR)
Gia Anh
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This paper presents some results on the survey of the impact of silica and black carbide on the mechanical – physical properties and vibration resistance of the rubber blended on natural rubber (NR) and synthetic styrene butadiene rubber (SBR), for application in manufacturing diesel engine mounts. | Vietnam Journal of Science and Technology 56 (2A) (2018) 17-23 ON THE IMPACT OF SILICA AND BLACK CARBIDE IN IMPROVING THE ANTI-VIBRATION OF THE RUBBER BLENDS BASED ON NATURAL RUBBER (NR) AND STYRENE BUTADIENE RUBBER (SBR) Le Ngoc Tu1, *, Chu Chien Huu1, Nguyen Huy Truong2, Dang Ngoc Son2 1 Institute of Chemistry and Materials, Vietnam Academy of Military Sciences and Technology, 17 Hoang Sam St., Cau Giay District, Ha Noi 2 Institute of Military Mechanical Technology, 42 Dong Quan Road, Cau Giay District, Ha Noi * Email: Lengoctu66@gmail.com Received: 30 March 2018; Accepted for publication: 10 May 2018 ABSTRACT This paper presents some results on the survey of the impact of silica and black carbide on the mechanical – physical properties and vibration resistance of the rubber blended on natural rubber (NR) and synthetic styrene butadiene rubber (SBR), for application in manufacturing diesel engine mounts. Based on this research, the article also introduces some results in building up anti-vibration rubber and the process of diesel engine mounts manufacture. Development of the method to test the vibration resistance of the diesel engine mounts has initially resulted in some good results such as the natural frequencies are lower than 20 Hz and the damping factor is higher than 10. Keywords: anti-vibration rubber, engine mounts. 1. INTRODUCTION Engine mount is a typical anti-vibration product made from rubber [6]. The engine mount is designed to link the engine and the vehicle body. It must achieve a vibration reduction effect (avoiding resonant frequencies) while reducing the impact force on the chassis as well as displacement to the lowest level. In order to meet these requirements, manufactured rubber must achieve elastic characteristics and mechanical properties that ensure the bearing is stable enough for a long time. To increase the life of the product, it is necessary to increase the durability of the rubber, reduce the hardness and hence the resonant .
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