http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
고승기(S.K. Koh),연문흠(M.H. Yeon),나의균(E.G. Na) 대한기계학회 2013 대한기계학회 춘추학술대회 Vol.2013 No.5
Application of a very high internal pressure on the thick-walled cylinder induces beneficial compressive tangential residual stresses near the bore of the cylinder after unloading the internal pressure. However, a reverse yielding due to the Bauschinger effect during the unloading process causes the reduction of the compressive residual stress near the bore. In order to evaluate the autofrettage residual stress distributions of the thick-walled cylinder, the Bauschinger effects were considered. Magnitudes of the compressive residual stresses at the cylinder bore determined by considering the Bauschinger effects decreased by about 25 percent, compared to the case of linear elastic unloading, I.e., without Bauschinger effects. Measured residual stress distuibutions agreed?fairly well with the calculated distributions considering the Bauschinger effects