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Vacuum heat treatment process of cold work die steel
Cold work die steel generally belongs to high-carbon alloy steel, with a carbon mass fraction above 0.8%. Chromium is an important alloying element of this type of steel, and most of its structure belongs to hypereutectoid steel or ledeburite steel. Commonly used steels are high Carbon low alloy ...
Study on Metallographic Structure and Mechanism of Vacuum Nitriding
Summary Based on the Fe-N phase diagram, nitride crystal structure and phase transformation equilibrium state, various interstitial compounds formed in the vacuum nitriding process, the transformation structure of the γ phase and the structure of the precipitated structure in the α-Fe phase were ...
Aluminum alloy heat exchanger on the car
Aluminum is the material of choice for heat exchangers on various vehicles, and is popular because of its low cost, high heat transfer efficiency, and long life. A modern high-performance passenger car has seven individual heat exchangers, which are mainly used to meet the special needs of the ca...
Vacuum brazing of 5005 aluminum alloy and 1Cr18Ni9Ti
With the development of aviation, aerospace, automobile, machinery manufacturing and chemical industry, 5005 aluminum alloy has become one of the most widely used non-ferrous metal materials due to its low density, high thermal conductivity and electrical conductivity. However, due to the melting...
Vacuum heat treatment of machine parts
The structure of modern aircraft is complex and there are many kinds of parts, so it is difficult to use traditional heat treatment methods for processing. In order to control the weight of the aircraft, a notable feature of aircraft parts is the thin-walled design. On the other hand, the large-s...
Light hole vacuum carburizing gear for heavy duty gearbox
For some commercial vehicle companies supporting gearbox products, most of the self-made parts, especially gearbox gears, need to be vacuum heat treated and vacuum carburized and quenched. The processing process of some light hole gears is: blanking→forging→normalizing→rough turning→finish turni...
Heart Pacemaker Feeder Vacuum Brazing
A heart pacemaker is an electronic therapeutic device that is implanted in the patient’s body. A pacemaker ensures that the heart relaxes and contracts in accordance with the rhythm. The main function is to transport blood to the human brain and whole body through contraction and relaxatio...
Vacuum heat treatment process of Cr12 steel for tools and dies
Cr12 steel is a high carbon, high chromium cold work die steel. The carbon content of this steel is very high (mass fraction is 2%-2.3%), which is the highest carbon content in the cold work die steel currently used, and the chromium content is also very high (mass fraction is 11.5%-13.0%), which...
Vacuum heat treatment of different metal materials
Vacuum heat treatment technology is a very widely used technology, which is widely used in aerospace, electronics, and precision machinery. It has outstanding advantages in the production of metals that cannot be compared with ordinary heat treatment. Because the surface of the vacuum heat-treate...
Improvement of Gear Vacuum Carburizing and Quenching Process
The rotating shaft of the motorcycle starter is an important part of power transmission. Its toothed end is prone to wear and tooth chipping during operation. The rotating shaft is made of 20CrMo steel, the modulus of the end gear is 0.6, the number of teeth is 11, and the diameter of the pitch c...