米只广义虎克定 6x=[∝xv(a+a2)/E Ey=IOy. v(Oi+Ox)J/E zv(∝x+a)1E (2-3) Yx /G rye /G STi Mix= tzx/G 单向拉伸时:B1=∝/E, 材料料学与工程学院王泓主编 EyE-VoIEoX4、广义虎克定律 x = [ x - ( y + z ) ] / E y = [ y - ( z + x ) ] / E z = [ z - ( x + y ) ] / E x y = x y / G y z = y z / G z x = z x / G ( 2 – 3 ) 单向拉伸时: x = x / E , y = z = - / E