Hydraulic hose failures caused by corrosion of the reinforcing strands
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Hydraulic hose failures are quite often catastrophic events that impact the safety of the work environment. This presentation outlines an insidious cause of hose failure—the early warning signs of which may often go undetected until failure occurs—corrosion. Three separate unrelated failures are illustrated, all of which resulted in serious safety incidents. Corrosion of the reinforcing wire strands was found to be the primary cause of all three hose failures. A number of factors are identified for consideration and discussed, including cause(s) of the corrosion, methods of detection of corrosion damage, design issues, and maintenance strategies.
KeywordsMaintenance Strategy Crevice Corrosion Original Equipment Manufacturer Outer Sheath Practical Failure Analysis Volume
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