Super-limit tin alloy and preparation method thereof

A tin alloy, ultra-limit technology, applied in the direction of metal processing equipment, manufacturing tools, welding equipment, etc., can solve the problems of easy deformation and failure of tin alloy weld materials, to avoid cracking or even falling off, eliminate residual stress, and better The effect of corrosion resistance

Active Publication Date: 2019-05-07
陕西天璇涂层科技有限公司
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Problems solved by technology

[0004] The present invention intends to provide an ultra-limit tin alloy and its preparation method to solve the problem that existing tin alloy weld materials are prone to deformation and lead to failure in an ultra-limit temperature environment

Method used

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  • Super-limit tin alloy and preparation method thereof
  • Super-limit tin alloy and preparation method thereof
  • Super-limit tin alloy and preparation method thereof

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Embodiment Construction

[0045] The following is further described in detail through specific implementation methods:

[0046] The reference signs in the drawings of the description include: tin alloy substrate 1, bonding layer 2, ceramic layer 3, sealing coating 4, reflective layer 5, catadioptric layer 6, insulating layer 7, welding base material 8, weld seam 9.

[0047] The present invention provides an ultra-limit tin alloy, such as figure 1 As shown, including a tin alloy substrate 1, the surface of the tin alloy substrate 1 is sequentially deposited with a bonding layer 2 with a thickness of 50-180 μm, a ceramic layer 3 with a thickness of 50um-80um, a sealing coating 4 with a thickness of 5um-15um, The reflective layer 5 with a thickness of 5um-15um, the catadioptric layer 6 with a thickness of 5um-15um and the insulating layer 7 with a thickness of 10um-25um.

[0048] Wherein the composition of bonding layer 2 is one or more alloys in platinum (Pt), palladium (Pd), rhodium (Rh), ruthenium (R...

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Abstract

The invention belongs to the technical field of welding, and discloses a super-limit tin alloy and a preparation method thereof. The tin alloy is a welding seam material, and comprises a tin alloy base body, and a bonding layer, a ceramic layer, a sealing coating, a reflecting layer, an anti-refracting layer and an insulating layer are sequentially deposited on the surface of the tin alloy base body. According to the super-limit tin alloy and the preparation method thereof, the limit of the traditional idea that when the environment temperature is higher than the using temperature of a material, the material has to be replaced is broken through, the coating is deposited on the surface of the material, so that the using temperature of the material is improved, then the super-limit tin alloywelding seam material can be used for a long time under an ultra-high temperature environment, the use requirements of the temperature rise of an engine during the acceleration of air vehicles such as an aircraft are met, and the acceleration of the aircraft and other air vehicles is realized.

Description

technical field [0001] The invention belongs to the technical field of butt welding, and in particular relates to an ultra-limit tin alloy and a preparation method thereof. Background technique [0002] Conventional alloy solders composed of tin and antimony, silver, indium, gallium and other metals have the characteristics of low melting point, non-toxicity and corrosion resistance. Although tin alloy solder has high ductility and corrosion resistance, the tin alloy solder in the normal state (normal temperature, normal pressure and low erosion) limits its application range due to its low hardness and processing strength. In ultra-extreme environments (high temperature, high pressure and high erosion), such as aerospace, aircraft and other aircraft With the development of technology and the actual needs of society, the speed of aircraft is getting higher and higher, making the aircraft in a high temperature, high pressure and high erosion Under the environment of tin alloy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/26B23K35/40C23C4/129C23C4/134C23C4/08C23C4/11C23C14/30C23C14/06C23C14/08C23C28/00
Inventor 冯晶李超宋鹏种晓宇葛振华
Owner 陕西天璇涂层科技有限公司
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