Finite element analysis on the first wall electron beam welding of test blanket module

The water-cooled ceramic breeder (WCCB) blanket is a component of the China Fusion Engineering Test Reactor (CFETR). The Reduced Activation Ferrite/Martensite (RAFM) steels are the preferred structural materials for WCCB blanket. As a kind of RAFM steels, China low activation martensitic (CLAM) steel was welded by electron beam welding (EBW), and then quenched-tempered treatment was carried out. The results show that at the welding state, the welding seam was composed of large martensite and δ ferrite and the organization of the heat-affected zone (HAZ) was changed slightly with the different heat input. Moreover, the hardness of welded joints was higher than that of base material (BM), but the impact toughness was very low. After quenched-tempered treatment, the δ ferrite in the weld was eliminated, the residual stress of the test plate decreased as a whole, and the mechanical properties were improved significantly.

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Finite element analysis on the first wall electron beam welding of test blanket module

Cited by 2 publications

References 17 publications

Study on electron beam welding process of the first wall of water-cooled ceramic breeder (WCCB) blanket

Study on electron beam welding process of the first wall of water-cooled ceramic breeder (WCCB) blanket

Optimization of Electron Beam Welding Joint of Water-Cooled Ceramic Breeder Blanket

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