Baoji Taicheng Clad Metal Materials Co., Ltd, as a zirconium-titanium steel composite plates manufacturer, today would like to introduce its production method and some possible problems.
The explosion cladding of a large-area zirconium-titanium steel explosive clad plate is to use the zirconium plate as the first layer in contact with the corrosive medium, the titanium plate as the second layer of transition, and the steel plate as the third layer to bear the load.
Between the clad zirconium, the transition layer titanium, and the base carbon steel plate, the support gasket is used to install, and after the explosive is laid, the explosive with high detonation velocity is laid on the surface of the zirconium material along the middle of the length direction, so that a large area of Continuous welding, the bonding rate after explosive compounding reaches more than 99%.
During the explosive compounding process, under the action of explosive energy, the compound plate accelerates to the base plate in turn, and forms a certain bending angle, so that an effective combination between the base and the compound plate can be formed. Since there are three layers of metal composite, it is difficult to form a bending angle during the explosive composite process, so the static parameters must be large gaps and small doses.
However, the practice has proved that the effect of a large gap and the small dose is not obvious for some ultra-long (lengths greater than 4M). Because the explosion process will generate jets, which will self-clean the surface of the base and the composite plate so that the fresh metal will be combined, but when the plate width is too large, the jet material will increase, and the jet material cannot be completely eliminated after reaching both ends, and part of the jet will It is bound in the bonding area, resulting in poor bonding strength or even non-fit at both ends. Therefore, the line detonation method is adopted. When the explosive is distributed, the explosive with high detonation velocity is continuously laid on the zirconium plate along the long side direction to change the direction of the jet movement and discharge to the wide side, shortening the distance of the jet moving in the bonding area. , to avoid the jet being confined in the binding area. When the support gap between the base plate, transition plate, and the compound plate is installed, the edge support gap between the zirconium material and the titanium plate is slightly larger than that in the middle, which also provides a smoother channel for the jet to reach the edge, and also avoids both ends. Jet buildup. Therefore, a large-area zirconium-titanium steel explosive composite plate is produced by one-time explosion composite production using the small-angle installation at the end and the line detonation method.
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