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Brazing of Copper and Copper Alloys
1. Brazing Materials (1) Several commonly used soft brazing materials are used for copper and brass soft brazing and then strength as shown in Table 1. Solder grade Shear strength/MPa Tensile strength/MPa copper brass copper brass S-Pb80Sn18Sb2 20.6 36.3 88.2 95.1 S-Pb68Sn30Sb2 26.5 27.4...
Vacuum Brazing of Cast Iron
1. Brazing Materials (1)Brazing cast iron brazing mainly uses copper and zinc brazing material and silver brazing material, commonly used copper zinc brazing grade is B-Cu62ZnNiMuSiR, B-Cu60ZuSnR and B-Cu58Zn FeR and so on, brazed cast iron joint tensile strength generally reached 120 to 150MPa, ...
Vacuum brazing of carbon steel and low alloy steel
1. Brazing Materials 1. 1 Solder The brazing of carbon steel and low alloy steel includes soft brazing and brazing. The solder that is widely used in soft soldering is tin-lead solder. The wettability of this solder to steel increases with the increase of tin content. Therefore, it is advisable t...
Vacuum brazing technology of aluminum and aluminum alloy
1. Vacuum Brazing Process 1.1 Cleaning of the workpiece before brazing Before brazing, the oil stains on the surface of the solder and aluminum must be removed. However, caustic sodium water solution cannot be used for degreasing. Because the magnesium in the solder is easy to react with alkali, ...
Flowmeter Vacuum Brazing
Mass flowmeter stainless steel vacuum brazing, nickel-based high vacuum brazing can be selected, high welding strength, small deformation, beautiful and bright appearance. The key points of the stainless steel vacuum brazing process include: brazing joint design, connection mode, positioning, gap...
Molybdenum-Zirconium-Titanium alloy Sintering
What is molybdenum titanium alloy? Molybdenum-titanium alloy is an alloy composed of metallic molybdenum as the base element and the alloying elements titanium and carbon. The representative grade is Mo-0.5Ti alloy, which is a molybdenum alloy containing 0.40%~0.55% (mass fraction) of titanium an...
Vacuum Brazing Process of HNSAE18202 Battery Cooler
1.The Mechanism and Process Characteristics of Vacuum Brazing When aluminum alloy is brazed, the oxide film on its surface affects the wetting and flow of the liquid solder. During the brazing process, if the oxide film on the surface cannot be effectively removed, it is difficult to form a high-...
Copper-based Brazing Filler Metal & Vacuum Brazing of Diamond
Diamond has high interfacial energy with general metals and alloys, and cannot be infiltrated by general low melting point alloys, and its weldability is very poor. Studies have found that Al, Fe, and Co can infiltrate diamond in a liquid state, but at a temperature at which they can infiltrate, ...
Silver-based Solder Vacuum Brazing
Vacuum brazing is a process technology developed in the 1950s, mainly used in high-tech products, such as aviation, aerospace, electronics and medical supplies. The brazing filler metal used for vacuum brazing is different from other brazing filler metals. It is unnecessary and unfavorable to use...
Automobile Radiator & Low Temperature Vacuum Brazing Furnace
In order to adapt to the overall development trend of the automobile industry, the radiator, one of the important parts of the cooling system, must also continuously improve its work efficiency and gradually lighten it to reduce production costs. The brazing process is generally suitable for the ...