Mathematics, 23.10.2020 22:10 lashell14
Tres barras hechas de materiales diferentes están acopladas y colocadas entre dos paredes a una temperatura T1 = 12 ºC. Determinar la fuerza ejercida sobre los apoyos (rígidos) cuando la temperatura alcanza T2 = 18 ºC. Las propiedades de los materiales son Yacero = 200000 N/mm2, αacero = 12 x10-6 ºC-1, Ylatón = 100000 N/mm2, αlatón = 21 x10-6 ºC-1, Ycobre = 120000 N/mm2, αcobre = 17 x10-6 ºC-1.
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