Fatigue Behavior of Thick-Walled Cylinders (7.62 mm Rifles Specimens)
WATERVLIET ARSENAL NY PRODUCT ASSURANCE DIRECTORATE
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The report deals with fatigue life testing employing 7.62MM rifled barrels in order to secure information on the relationship of specimen life achieved through cyclic hydraulic pressure stressing and that achieved by firing of service type ammunition. Materials used included standard M14 rifle barrel stock from several suppliers and 175MM M113E1 cannon tube forging material from three suppliers. The report also addresses the problem of life reliability prediction and demonstrates the potential usefulness of small barrel specimen testing in providing insight to big gun research, development, manufacturing, field support and quality engineering type problems.