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When a Japanese pump manufacturer became concerned about strong vibrations and the shorter lifetime of the bearings of its vertical mixed pumps used in seawater applications it looked for a more effective solution. A change to rubber bushings made with Green Tweed's ARβ’1 material, with its excellent dry-run characteristics and high abrasion resistance, not only improved pump efficiency, but improved bearing performance capability through reduced clearances.
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## Abstract Materials problems in nuclear power stations can rarely be dealt with independently of design, maintenance, including operation, inspection and control as well as environmental factors. Therefore they require combined efforts of designers and materials, specialists. The paper illustrate
The strain energy density is considered as a measure of the stiffness/flexibility of the composite structure. A methodology for determining the stationary points of the strain energy density in anisotropic solids is developed. The methodology proposed is based on new problem formulation, derivation