Tantalum steel composite plate and preparation method thereof
A composite plate and steel plate technology, applied in chemical instruments and methods, lamination, coating, etc., can solve problems such as unsatisfactory continuous production, high production site requirements, exhaust gas pollution, etc., and achieve a wide range of product sizes. The effect of good environment and simple process
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[0026] A preparation method of a tantalum steel composite plate specifically includes the following steps:
[0027] 1) Choose a carbon steel plate with a thickness of 100mm and a tantalum plate with a thickness of 10mm, and polish the surface of the tantalum plate and steel plate to be bonded, so that the surface to be bonded is free of oxide layers, impurities and voids, and presents a fresh metal surface;
[0028] 2) Prepare a release agent, take alumina powder and polyvinyl chloride powder with a mesh number greater than 200 meshes and mix with water according to the ratio of (2-3): (1-2): 100, stir evenly, and evenly apply to the tantalum plate Non-bonding surface, thickness of 0.3-0.8mm, dry statically or dry in an oven, the temperature of the oven should not be higher than 180℃;
[0029] 3) Such as figure 1 As shown, the side where the tantalum plate is coated with the release agent 5 is placed opposite, and the tantalum plate is sealed and welded, and a vent hole is left at on...
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