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STRESS-STBAIN FIELD NEAR CRACK TIP AND CALCULATION OF CRITICAL STRESS OF CRACK PROPAGATION IN A PURE BENDING BEAM OF RECTANGULAR SECTION WITH ONE-SIDED MODEICRACK
引用本文:刘汉池. STRESS-STBAIN FIELD NEAR CRACK TIP AND CALCULATION OF CRITICAL STRESS OF CRACK PROPAGATION IN A PURE BENDING BEAM OF RECTANGULAR SECTION WITH ONE-SIDED MODEICRACK[J]. 应用数学和力学(英文版), 1995, 0(8)
作者姓名:刘汉池
作者单位:Liaoyuan Aviation Machine Building Company,Shanvi,723313,P. R. China
摘    要:STRESS-STBAINFIELDNEARCRACKTIPANDCALCULATIONOFCRITICALSTRESSOFCRACKPROPAGATIONINAPUREBENDINGBEAMOFRECTANGULARSECTIONWITHONE-S...


STRESS-STBAIN FIELD NEAR CRACK TIP AND CALCULATION OF CRITICALSTRESS OF CRACK PROPAGATION IN A PURE BENDING BEAM OFRECTANGULAR SECTION WITH ONE-SIDED MODE I CRACK
Liu Hanchi. STRESS-STBAIN FIELD NEAR CRACK TIP AND CALCULATION OF CRITICALSTRESS OF CRACK PROPAGATION IN A PURE BENDING BEAM OFRECTANGULAR SECTION WITH ONE-SIDED MODE I CRACK[J]. Applied Mathematics and Mechanics(English Edition), 1995, 0(8)
Authors:Liu Hanchi
Abstract:This paper studies the stress-sirain field near crack tip in a pure bending beam ofrectangular section with one-sided mode I crack by the analytic method of Rej [1],then it gives the stress and strain components at the crack tip when the crackpropagates and further it obtains the formulas of calculating the elastic deformed areawidth, the deformed intensity, area width and the equation groups of calculating thecritical stress of crack propagation, last the equation group of calculating criticalstress of crack propagation is verified by calculating instance. The maximum error is0. 18%.
Keywords:critical stress of crack propagation   plastic-elastic rate near cracktip   transforming rate
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