Dual-phase steel/titanium composite board explosive welding forming method
A technology of explosive welding and forming method, which is applied in the direction of welding equipment, welding/welding/cutting items, non-electric welding equipment, etc., and can solve the problems of unsatisfactory, decline, oxidation and corrosion resistance of titanium plates, etc.
Inactive Publication Date: 2016-02-24
安徽宝泰特种材料有限公司
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Problems solved by technology
[0002] Titanium / duplex steel composite plate tube sheet has been used in the heat exchanger tube sheet of oil drilling platform equipment. There are some contradictions in the material combination of duplex stainless steel and titanium, especially in their heat treatment system. Composite The heat treatment system of the plate has also been controversial. If the temperature of titanium is satisfied, the dual-phase steel will have brittle and hard structures or even cracks. The high strength of phase steel has always been a problem in explosive composite panels. Explosive composite materials are generally materials with similar properties and are easier to weld by explosion. High-strength materials and low-strength materials are difficult to metallurgically bond. Even if the welding is completed, the bonding strength is very high. Low, once unable to meet the needs of the market and actual use
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[0018] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.
[0019] like figure 1 As shown, the present invention discloses a dual-phase steel / titanium composite plate explosive welding forming method, comprising the following steps:
[0020] Step 1, heating the dual-phase steel plate 6 to 350°C, and using asbestos to insulate the dual-phase steel plate 6;
[0021] Step 2. After transporting the heated dual-phase steel plate 6 to the foundation 8 on the job site, place the dual-phase steel plate at a distance of 250mm, place the titanium plate 4, and set a support block 5 between the titanium plate 4 and the dual-phase steel plate 6 At the same time, a protective layer 3 is added to the upper surface of the titanium plate 4, and a heating belt 7 is fixed around the dual-phase steel plate 6 to ensure that the...
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Abstract
The invention discloses a dual-phase steel/titanium composite board explosive welding forming method. The forming method comprises the following steps of: before explosion cladding, heating a dual-phase steel plate to certain temperature, adopting asbestos to preserve heat for the dual-phase steel plate, transporting the dual-phase steel plate to a working site, putting the steel plate at an interval, placing a titanium plate, adding a protective layer at the same time, fixing a heating belt at a proper position of the plate to ensure that the strength of the dual-phase steel plate in the high-temperature state decreases, finally, paving explosive according to the technological requirements, taking away the heating belt before explosion, ensuring the plate temperature, and flattening after detonation. With adoption of the method, the fitting quality of a dual-phase steel/titanium composite board is greatly improved, and the produced dual-phase steel/titanium composite board can meet the developmental demand of the petroleum technology.
Description
technical field [0001] The invention relates to the field of composite plate manufacturing, in particular to a dual-phase steel / titanium composite plate explosive welding forming method. Background technique [0002] Titanium / duplex steel composite plate tube sheet has been used in the heat exchanger tube sheet of oil drilling platform equipment. There are some contradictions in the material combination of duplex stainless steel and titanium, especially in their heat treatment system. Composite The heat treatment system of the plate has also been controversial. If the temperature of titanium is satisfied, the dual-phase steel will have brittle and hard structures or even cracks. The high strength of phase steel has always been a problem in explosive composite panels. Explosive composite materials are generally materials with similar properties and are easier to weld by explosion. High-strength materials and low-strength materials are difficult to metallurgically bond. Even i...
Claims
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IPC IPC(8): B23K20/08B23K20/24B23K20/227
CPCB23K20/08B23K20/227B23K20/24B23K2103/24
Inventor 赵永武孙建戴和华许成武潘玉龙蒋济仁严翔
Owner 安徽宝泰特种材料有限公司
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