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CuMnNi brazing filler metal vacuum brazing 40Cr steel and YG8 cemented carbide
1.Materials and methods The dimensions of 40Cr steel and YG8 cemented carbide used are: 5mmx16mmx15.5mm (5mmx16mm surface is coal junction surface, 16mmx15.5mm surface is spreading surface); Ni sheet is used as the middle layer, and the thickness is 0.05mm, 0.1mm, 0.2mm , 0.3mm and 0.4mm; w (Mm)=...
Vacuum annealing process of TC4 alloy sheet
TC4 titanium alloy belongs to the typical a+β type titanium alloy of Ti-AI-V series. This alloy accounts for about 40% of the market amount of titanium alloy series, and it is very difficult to cold work. The main reason is that the alloy has poor plasticity and high yield-strength ratio, and its...
Sintered NdFeB Vacuum Heat Treatment Process
1.Ingredients: According to various product requirements, different formulas are used to accurately measure various materials, among which pure iron needs to remove the oxide layer. 2.Smelting: According to different requirements, there are ordinary smelting furnaces and fast-setting belt smelti...
Influence of nickel and tin elements on vacuum brazing of titanium materials
In the welding of titanium and titanium alloys, vacuum brazing is suitable for welding joints that are not heavily loaded or work at room temperature, especially for precision, micro-complex and multi-brazed weldments. The brazing filler metals commonly used for titanium and titanium alloys in en...
Vacuum Heat Treatment of High Speed Straight Shank Twist Drill
High-speed straight shank twist drills are the most widely used hole processing tools. The market demand is large, and the batch output often reaches tens of thousands to hundreds of thousands. Usually, hot and cold processing processes such as hot rolling, hot extrusion, milling or grinding are ...
Effect of Magnesium on Aluminum Alloy Vacuum Brazed Joints
The oxide film Al2O3 on the surface of aluminum alloy is very stable, its melting point is above 2000 °C, and it is difficult to decompose even under high vacuum. Magnesium has a close-packed hexagonal crystal structure and has good activity, which can play a favorable role in vacuum brazing. Sin...
Vacuum Heat Treatment Process of 38CrMoAl Steel
38CrMoAI is one of the bonded steels, and it is a special nitrided steel. After vacuum heat treatment and finishing, the 38CrMoAI round steel has high surface hardness, wear resistance and fatigue strength, and has good heat resistance. and corrosive. After treatment, the dimensional accuracy is ...
Plate Heat Exchanger Vacuum Brazing
The plate heat exchanger is a high-efficiency heat exchanger composed of a series of metal sheets with a certain corrugated shape. Thin rectangular channels are formed between various plates, and heat is exchanged through the plates. Plate heat exchanger is an ideal equipment for liquid-liquid an...
Gear shaft vacuum heat treatment
The traditional gear shaft heat treatment process relies on atmosphere carburizing, oil quenching, tempering and other processes to obtain parts that meet the design requirements. The heat treatment equipment takes a long time to start and stop the furnace. When the equipment fails during full-lo...
Vacuum Brazing of Stainless Steel and Dissimilar Materials
In the process of using stainless steel, considering the needs of corrosion resistance, heat resistance, oxidation resistance and other functions, it often involves vacuum brazing of stainless steel and dissimilar materials, such as vacuum brazing with dissimilar metals or ceramics. 1.Vacuum braz...