By R.P. Brown
Rubber elements are utilized in many tough functions, from tyres and seals to gloves and scientific units, and failure may be catastrophic. This evaluation of rubber product failure outlines and illustrates the typical factors of failure, whereas addressing methods of warding off it. round four hundred abstracts from papers within the Rapra Polymer Library database are incorporated with an index.
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Additional info for Rubber Product Failure
By reducing the number of moving parts in the sensing unit, the instrument increased its robustness to better endure the environment of a new tyre or retreading facility for on-line inspection of new and used tyres. Results are given of a feasibility study involving two tyres, - one with seeded defects, and the other with field fatigue damage. 27 refs. 15-30 WEAR-OUT APPROACH FOR PREDICTING THE REMAINING LIFETIME OF MATERIALS Gillen K T; Celina M Sandia National Laboratories The principles underlying the above wear-out approach, which is based on the Palmgren-Miner concept that degradation is cumulative and that failure results directly from the accumulation of damage with time, are reviewed and the application of these principles to materials in © Copyright 2002 Rapra Technology Limited temperature environments is demonstrated.
4 refs. 17-22 PROCESSING CHALLENGES TO ACHIEVE QUALITY, PRODUCTIVITY AND VALUE FOR THE PRODUCT Ramdas S Fenner India Ltd. Consideration is given to factors affecting the quality, productivity and value of rubber products with reference to processing methods. In particular, mixing, extrusion, moulding, transfer moulding, metal to rubber bonding, process control, FMEA, value engineering, quick tool changes, and prototyping are discussed. ADVANCES AND CHALLENGES IN LONGTERM SERVICE LIFE PREDICTION OF ELASTOMERIC ENGINEERING COMPONENTS Harris J A; Hawkes J R; Campion R P; Derham C J Materials Engineering Research Laboratory Ltd.
Conference preprints. -19th. Oct. 2000, paper 82 RADIAL SEAL FORCE RETENTION. ) Details are given of a test method, developed to meet the more demanding requirements of seals used in aerospace applications, with particular reference to the effects of low density phosphate ester hydraulic fluids and red oils over a long period. These fluids can cause excessive swelling or shrinkage of O-rings or custom seals in their glands, which may result in a gain or loss of retained seal force that over time may pose a critical failure mechanism.