| 摘要 |
<p>A method of correcting the warping of a two-layer clad metal plate consisting of a parent member and a laminated member, in which the hot-correcting of the two-layer clad metal plate is done by cooling one of the metals that has a higher thermal contraction coefficient more intensely than the other metal that has a lower thermal contraction coefficient before or during the hot-correcting of the clad metal plate, to cause the following temperature difference ΔT, ΔT = f(Δα, α, a, TO), wherein Δα is a difference between the coefficients of linear expansion of the two metals, a^_ a clad ratio (thickness of the laminated member/total length of the plate), TO a hot-correcting temperature (oC) at the inlet side), and α an average of the coefficients of linear expansion of the two metals, to occur. Accordingly, the layer of metal of a higher thermal contraction coefficient of the two layer clad metal plate is cooled forcibly to be brought into a required and suitable condition. Therefore, various kinds of two-layer clad metal plates can be corrected to be flat reliably at normal temperature.</p> |
