Winding laminate structure of intermediate composite layer of silicon carbide ceramic cladding tube for nuclear fuel
A nuclear fuel silicon carbide and composite material layer technology, applied in the field of materials, can solve the problem of low fiber volume fraction, achieve the effect of improving surface finish, excellent strength and stiffness, and reducing gaps
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Embodiment 1
[0022] Deposit the inner monolithic layer SIC layer on a ceramic or graphite tube with a diameter of 0.8 mm to obtain an inner monolithic layer pipe with a mandrel.
[0023] Clamp the pipe with the deposited inner layer on the winding machine, and then use silicon carbide fiber to wrap the inner layer of the composite material to the hoop layer. The width of the winding yarn is set to 1.5mm, the winding tension is set to 10N, and one layer is wound. After winding, the outer diameter of the pipe increases by about 0.25mm.
[0024] The middle helical layer of the composite material is wound on the wound pipe, the winding angle is set to 35°C, the yarn sheet width is set to 1.5mm, the winding tension is set to 10N, and one layer is wound. After winding, the outer diameter of the pipe increases by about 0.6mm.
[0025] On the pipe with the spiral layer wound, the outer layer of the composite material is wound circumferentially. The width of the wound yarn sheet is set to 1.5 mm, ...
Embodiment 2
[0029] The winding laminate structure of the intermediate composite material layer of the nuclear fuel silicon carbide ceramic cladding tube, its structure is as follows figure 2 As shown, it consists of a three-layer structure of the inner hoop layer 4, the middle helical layer 5, and the outer hoop layer 6. The thickness of the middle helical layer 5 is the same as the thickness of the inner hoop layer 4 and the outer hoop layer 6. The ratio is 2:1:1.
[0030] The inner hoop layer 4 is produced by a hoop winding process, using silicon carbide fibers, and using a fiber winding machine to perform 90° hoop winding, and the fiber winding tension is controlled at 2N. The middle helical layer 5 is produced by a helical winding process, the fiber winding angle is 30°, the silicon carbide fiber is used, and the fiber winding machine is used for helical winding, and the fiber winding tension is controlled at 2N. The outer hoop layer 6 is manufactured by a hoop winding process, usin...
Embodiment 3
[0032] The winding layer structure of the intermediate composite material layer of the nuclear fuel silicon carbide ceramic cladding tube is composed of a three-layer structure of the inner hoop layer, the middle helical layer, and the outer hoop layer. The thickness of the middle helical layer is the same as that of the inner and outer layers The thickness ratio of the hoop layers is 2:1:1.
[0033] The inner hoop layer is made by hoop winding process, using silicon carbide fiber, using a fiber winding machine for 90° hoop winding, the fiber winding tension is controlled at 3N, and a total of 3 layers are wound. The middle helical layer is made by helical winding process, the fiber winding angle is 37°, silicon carbide fiber is used, and the fiber winding machine is used for helical winding. The fiber winding tension is controlled at 3N, and a total of 3 layers are wound. The outer hoop layer is manufactured by the hoop winding process, using silicon carbide fibers, using a f...
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