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INCESTIGATION INTO THE EFFECT OF RESIDUAL STRESSES ON FATIGUE STRENGHT AND MEASUREMENT OF RESIDUAL STRESS, WITH SPECIAL REFERENCE TO AIRCRAFT CONSTRUCTION

机译：研究残余应力对残余应力的影响和残余应力的测量，特别是对飞机结构的影响

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Methods of improving fatigue life by induced residual compressive stresses have been critically appraised. Three promising techniques to improve fatigue life were investigated:ring and pad stress coining, shot peening and surface rolling. The techniques were first optimised under constant, amplitude loading by systematically varying the most relevant parameter of inducing residual compressive stresses. The optimum parameter was then tested under realistic loads:a flight by flight or random sequence. Throe high strength materials, Ti 6-6-2, Al-Zn ,HgCuAg and a maraging steel, were tested in the form of an open hole, plane bending and a fillet specimen. Attempts were made to measure the residual stresses induced by each method using strain gauges.

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P. Schrader; W. Schutz;
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年度 1978
页码 1-69
总页数 69
原文格式 PDF
正文语种 eng
中图分类工业技术;
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2. Numerical predictions and experimental measurements of residual stresses in fatigue crack growth specimens [J] . Christopher J. Lammi, Diana A. Lados Engineering Fracture Mechanics . 2011,第6期

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INCESTIGATION INTO THE EFFECT OF RESIDUAL STRESSES ON FATIGUE STRENGHT AND MEASUREMENT OF RESIDUAL STRESS, WITH SPECIAL REFERENCE TO AIRCRAFT CONSTRUCTION

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