S0303-3-3 連続焼鈍炉内の薄板ストリップの熱弾性座屈の理論解析([0303-3]材料機能性と強度に及ぼす環境と場の影響に関する弾性数理解析(3))

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Buckles due to a thermo-elastic buckling in thin-walled strips passed in heating and cooling zones of continuous annealing furnace may be concerned about. This study deals with an analytical development of thermo-elastic buckling of thin-walled strips in order to judge occurrence of buckles in the strips, and to consider means of prevention against the buckling. Making use of fundamental equations of thermo-elastic buckling for a flat plate, a problem of thermo-elastic buckling of a rectangular plate under uniform temperature change is considered. Analytical solutions of critical bucking temperature change for the plate with simply supported edges and strip under uniform temperature change are derived. Effects of dimensions and shape in the plate on critical buckling temperatures in thermo-elastic buckling are discussed briefly.
2010-09-04