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XU Jian-xin, ZHANG Kai-da. STUDY ON THE METHOD OF FATIGUE RESISTANCE WITH COMPOSITE PATCHES[J]. Engineering Mechanics, 1999, 16(2): 93-98,1.
Citation: XU Jian-xin, ZHANG Kai-da. STUDY ON THE METHOD OF FATIGUE RESISTANCE WITH COMPOSITE PATCHES[J]. Engineering Mechanics, 1999, 16(2): 93-98,1.
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STUDY ON THE METHOD OF FATIGUE RESISTANCE WITH COMPOSITE PATCHES

  • Dept of Mechanical and Electrical Engineering Civil Aviation Institute of China, Tianjin 300300;2. Dept of Aircraft Engineering, Northwestem Polytechnical University, Xi'an, 710072

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  • Received Date: April 30, 1997
  • Revised Date: December 31, 1899
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  • The problem of calculating the stress intensity factor in a cracked plate repaired by composite patches was dealt with in two steps. First, suppose the plate was not cracked and bonded by composite patches over the prospective location of crack. The stress at the prospective location of crack in the plate was determined by generalized plane stress theory of elasticity.Second, suppose that a crack was introduced into the plate and the stress intensity factor was estimated. The results are in good agreement with the values derived from finite element method and experiments.
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