High-temperature preparation method of titanium-steel composite plate with copper as middle layer
An intermediate layer and clad plate technology, applied in the direction of metal rolling, etc., can solve the problems that the product quality of titanium steel clad plate cannot be well guaranteed, cannot prevent the interdiffusion of elements, and the coating metal has no good ductility, etc. Achieve the effect of good bonding effect, good plate shape and good bonding
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[0027] The invention provides a high-temperature preparation method of a titanium-steel composite plate with copper as an intermediate layer, comprising the following steps:
[0028] a. Blank assembly: carry out symmetrical blank assembly in the order of steel plate / titanium plate / copper foil / steel plate, then weld the blanks around, and vacuumize the inside of the blank to obtain a combined blank; among them, adjacent to the steel plate and titanium plate The surface is coated with a release agent, and the thickness of the copper foil is 0.3-0.8 mm;
[0029] b. Heating: heating the combined blank at 980-1050°C for 2-6 hours;
[0030] c. Rolling: The heated combined billet is rolled for at least two passes, wherein the starting rolling temperature is 950°C and the final rolling temperature is 600-700°C; the deformation in the first two passes is >20%, and the rolling total The amount of deformation is ≥80%, and the rolling speed is 0.1~1m / s;
[0031] d. Finishing: air coolin...
Embodiment 1
[0047] ① Prepare two steel plates with a size of 200×160×18mm, one titanium plate with a size of 160×120×20mm, one piece of copper foil with the same size as the titanium plate and a thickness of 0.5mm, and four side plates, wherein the side plates The material is the same as the steel plate; a hole is made on at least one of the four side plates, and a seamless carbon steel pipe with a wall thickness > 2mm is welded at the hole; a release agent is applied on the adjacent surface of the steel plate and the titanium plate, according to The sequence of steel plate / titanium plate / copper foil / steel plate is symmetrically assembled, the side plate is set around the titanium plate and located between two steel plates, the gap between the steel plate and the side plate and the gap between the side plate and the side plate After the welding is completed, the seamless carbon steel pipe is connected to the vacuum pump, and after vacuuming the interior of the assembly, the seamless carbon...
Embodiment 2
[0052] ① Prepare two steel plates with a size of 200×160×18mm, one titanium plate with a size of 160×120×20mm, one piece of copper foil with the same size as the titanium plate and a thickness of 0.3mm, and four side plates, wherein the side plates The material is the same as the steel plate; a hole is made on at least one of the four side plates, and a seamless carbon steel pipe with a wall thickness > 2mm is welded at the hole; a release agent is applied on the adjacent surface of the steel plate and the titanium plate, according to The sequence of steel plate / titanium plate / copper foil / steel plate is symmetrically assembled, the side plate is set around the titanium plate and located between two steel plates, the gap between the steel plate and the side plate and the gap between the side plate and the side plate After the welding is completed, the seamless carbon steel pipe is connected to the vacuum pump, and after vacuuming the interior of the assembly, the seamless carbon...
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