%0 Journal Article
%T Effects of inductor patterns on temperature and deformation behavior of ship hull plate by induction heating
%A Cungen Liu
%A Shuiming Zhang
%A Xuefeng Wang
%A Zhi Yang
%J Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
%@ 2041-2983
%D 2018
%R 10.1177/0954406218806017
%X This paper mainly investigated the effects of different inductor patterns on thermal forming behavior of ship hull plate by moving induction heating. Alternately-coupled electromagnetic-thermal analysis procedure considering temperature-dependent material properties was firstly implemented at each moving step of inductor, followed with uncoupled thermal-mechanical transient analysis to obtain corresponding thermal deformation. Then temperature distribution, dimensions (breadth b and depth h) of heat-affected zone, and deformation obtained from codirectional current-carrying inductor with no gap and opposite-direction current-carrying inductor with gap were compared, respectively. And effects of heating directions and distance T2 of ODIG were also analyzed. It turns out that codirectional current-carrying inductor with no gap can generate much larger transverse shrinkage at 1.8¨C2.5£żmm/s than opposite-direction current-carrying inductor with gap, otherwise smaller at 3.2¨C4.0£żmm/s, likewise larger temperature gradient at 1.8¨C4.0£żmm/s and thus larger bending angular deformation. Besides, heating direction Ħ°OutĦħ can generate larger deformation than Ħ°InĦħ and deformation for opposite-direction current-carrying inductor with gap can be effectively improved through adjusting distance T2 until 13£żmm. These indicate that adopting appropriate inductor patterns, heating direction and distance T2 of opposite-direction current-carrying inductor with gap can significantly improve thermal forming behavior
%K Ship hull plate
%K inductor pattern
%K heating direction
%K heat-affected zone
%K bending angular deformation
%K membrane shrinkage deformation
%U https://journals.sagepub.com/doi/full/10.1177/0954406218806017