The main components of GH2984 superalloy include nickel, chromium, molybdenum, etc. The nickel content is more than 50%, and the chromium and molybdenum content are about 20% and 10%, respectively. The reasonable ratio of these elements gives GH2984 superalloy excellent high temperature resistance and corrosion resistance. In addition, the alloy also contains a small amount of aluminum, titanium and other elements to further improve its thermal strength and oxidation resistance.
gh2984Chemical Composition:
GH2984 alloy performance parameters;
Density: The density of GH2984 alloy is about 84g/cm³。
Melting Point: The melting point of this alloy is between 1310-1360.
Tensile Strength: At room temperature, the tensile strength of GH2984 alloy is 1100 MPa.
Yield Strength: It has a yield strength of 1000MPa under the same environment and 620MPa at 750.
Elongation: At room temperature, the elongation of GH2984 alloy is 12%.
Hardness: GH2984 superalloy has a hardness of 320-360HB.
Thermal conductivity: At 200, the thermal conductivity of this alloy is 134 w/(m·k)。
gh2984Heat treatment regime:
System: 1100 10 Keep warm for 1 hour, air cooling.
System : 1100 10 keep warm for 1 hour, air cooled + 750 10 keep warm for 8 hours, air cooled.
System : 1100 10 keep warm for 1 hour, air cooling + 750 10 keep warm for 8 hours at 50 per hour to 650 10 keep warm for 16 hours, air cooling.
GH2984 alloy characteristics and applications;
GH2984 superalloy not only has excellent high-temperature mechanical properties, such as high-temperature strength, thermal fatigue life, etc. Moreover, it shows good oxidation resistance and corrosion resistance, and is especially suitable for long-term work in high temperature and strong corrosion environment. Therefore, it is widely used in aero engines, gas turbines, chemical reactors and other fields.
In the aerospace field, GH2984 superalloy is widely used in the manufacture of turbine engine blades, bearings, combustion chambers and other components to withstand the harsh working conditions of high temperature and high speed. Its application in aero engines has greatly improved the operating temperature and efficiency of the engine, thus promoting the continuous development and upgrading of aviation technology.
In the chemical industry, GH2984 superalloy is often used in the manufacture of components in chemical equipment that need to withstand high temperatures and corrosion, such as reactors, heat exchangers, pipelines, etc. Its excellent corrosion resistance and high temperature stability enable chemical production equipment to run stably for a longer time and ensure the safety and stability of chemical production.
In the energy industry, GH2984 superalloy is also widely used in gas turbines, nuclear power equipment and other fields to manufacture blades, bearings, combustion chambers and other high-temperature components to improve the efficiency and reliability of energy equipment.
In short, with the development of science and technology and industrial progress, superalloys are also constantly developing and upgrading, at present, researchers are developing a series of new superalloys to improve their mechanical properties and processing properties, and explore their applications in a wider range of fields, in the future, superalloys will continue to play their unique advantages, become one of the important representatives in the field of high-performance materials.