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The infrared thermography technique developed in the present study was successfully applied to determine the scale thicknesses in the steel pipe. By finite element method we have calculated the infected pipe surface temperature. We have developed a model for estimation the thickness scale on the inner surfaces pipe. Pipe dimensions and scale layer are taken as geometrical parameter. We have studied...
Laser cladding consists of covering a substrate surface with a coating of a different nature. As a complex thermal-mechanical process, laser cladding is not quite understood yet. In this study, a finite element model for analyzing the temperature field was built and the laser cladding process with powder feeding was analyzed with the model. The analysis results show that the maximum temperature at...
CYCIAE-100, a 100 MeV H-cyclotron under construction at China Institute of Atomic Energy, is a compact H-cyclotron. Since its upper/bottom and return yokes are each made of a casting steel of large dimension (with final dimension of 6160 mm in diameter and weight of 140 tons each piece), special attention has to be paid to the annealing procedure to insure the magnetic properties of this kind of large...
The process of solidification of continuous casting of thin slab on compact strip production (CSP) was simulated by finite element method (FEM) and two-dimensional cutting slice method. Simulated results of solidification and heat transfer of the slab were gotten. The temperature distribution of the cooling process on the thin casting slab is agreed with the actual online production. Influence of...
Temperature field of cast roll and its thermal deformation were studied during strip casting with elasto-plastic and thermal-stress coupled FEM in this paper. The simulation result was verified with experiment result, indicating that the simulation result is accurate. Then, the initial profile were designed according to the simulation result, and optimized using finite element method (FEM) to make...
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