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Vacuum Brazing of Cemented Carbide and Martensitic Stainless Steel
WC cemented carbide is widely used because of its high hardness, wear resistance, good red hardness, low coefficient of thermal expansion and good chemical stability. However, the plasticity and toughness of cemented carbide are poor and expensive. Generally, the size of cemented carbide parts is...
Application of low pressure vacuum carburizing
In the heat treatment production process, the traditional carburizing process has the problems of long cycle, high energy consumption, and the quality needs to be further improved. To this end, heat treatment workers are very concerned, and have been working hard to study better carburizing techn...
Analysis of carbon content on the surface of carburized parts
The carbon content and its distribution gradient on the surface of carburized parts have an important influence on the properties of the carburized layer. Too high or too low surface carbon content or surface decarburization will have adverse effects on the surface strengthening effect of carburi...
Vacuum heat treatment of corrugated spring bayonet connector
Corrugated spring is the key part for locking bayonet electrical connector. 65Mn thin wall corrugated spring is widely used in various bayonet electrical connectors because of its good elasticity and simple forming process. Hydrogen embrittlement always exists in the electroplating of this part, ...
Reaction sintering of silicon carbide ceramics
Silicon carbide ceramics have excellent properties such as high mechanical strength, high temperature resistance, strong oxidation resistance, good thermal stability, high thermal conductivity, good wear resistance, good chemical corrosion resistance, high hardness, and good thermal shock resista...
Deformation and Control of Carburizing and Quenching for Large Gears and Gear Shafts
Large gears and gear shafts are important components in the reducer. In the process of carburizing and quenching, the deformation of the gears exists objectively, and the deformation of the gear shafts is larger. In actual production, it mainly depends on increasing the final machining allowance,...
Precision carburizing heat treatment of gears
The key to obtaining low-noise and long-life gears lies in the control of heat treatment quality. Precision heat treatment of gears includes the mass dispersion of technical indicators such as carburized layer microstructure, core and surface hardness, effective hardened layer depth, residual str...
Carbonitriding of 12CrNi3A Steel Parts
Carbonitriding is a chemical heat treatment method in which the carbon and nitrogen atoms decomposed by the active medium penetrate into the surface of the steel in the austenitic state to improve the surface hardness and wear resistance. Carbonitriding is essentially a chemical heat treatment pr...
Vacuum Brazing of Titanium Alloy and Aluminum Alloy Dissimilar Metals
Titanium alloys are widely used in aerospace, shipbuilding and petrochemical fields due to their low density, high specific strength, excellent corrosion resistance, high temperature strength and good low temperature toughness. However, titanium alloys have low elastic modulus, poor creep resista...
Vacuum Quenching Process of 45 Steel and T10 Steel
Vacuum heat treatment furnace has been widely used in oil and gas quenching of die steel, sintering of magnetic materials and hard alloys, vacuum brazing, annealing of soft magnetic materials, etc. The quenching of low hardenability carbon steel and the solution treatment of stainless steel can a...