Development History Of High-temperature Alloys

1. International development
Since the late 1930s, countries such as Britain, Germany, and the United States have been researching high-temperature alloys. During World War II, in order to meet the needs of new aviation engines, the research and use of high-temperature alloys entered a period of vigorous development. In the early 1940s, the UK first added a small amount of aluminum and titanium to the 80Ni-20Cr alloy, forming γ' Through strengthening, the first nickel based alloy with high high-temperature strength was developed. During the same period, the United States began using Vitallium cobalt based alloy to make blades to meet the needs of the development of turbochargers for piston type aviation engines.
In addition, the United States has also developed Inconel nickel based alloys to make combustion chambers for jet engines. Later, in order to further improve the high-temperature strength of the alloy, metallurgists added tungsten, molybdenum, cobalt and other elements to the nickel base alloy to increase the content of aluminum and titanium, and developed a series of brands of alloys, such as "Nimonic" in Britain, "Mar-M" and "IN" in the United States; In cobalt based alloys, various high-temperature alloys have been developed by adding elements such as nickel and tungsten, such as X-45, HA-188, FSX-414, etc. Due to the lack of cobalt resources, the development of cobalt based high-temperature alloys is limited.
In the 1940s, iron-based high-temperature alloys also developed, with brands such as A-286 and Incoloy901 appearing in the 1950s. However, due to poor high-temperature stability, their development has been slower since the 1960s. The Soviet Union began production around 1950“ ЭИ” Nickel-based high-temperature alloy of the brand, later produced“ ЭП” Series of deformed high-temperature alloys and ЖС Series of cast high-temperature alloys. In the 1970s, the United States also adopted new production processes to manufacture directional crystalline blades and powder metallurgy turbine discs, and developed high-temperature alloy components such as single crystal blades to meet the needs of continuously increasing inlet temperatures of aviation engine turbines.
Up to now, the annual consumption of high-temperature metal alloys in the international market is 300000 tons, widely used in various fields. In the past few years, the global aerospace industry has had a strong demand for new energy aircraft, with over 10000 such aircraft waiting to be delivered by Airbus and Boeing. Precision Machinery Company is a leading global enterprise in the manufacturing of complex metal components and products for high-temperature alloys. It also provides high-temperature alloys such as nickel and cobalt for industries such as aerospace, chemical processing, oil and natural gas smelting, and pollution prevention and control. Precision Machinery Company is a designated spare parts manufacturer for military and aerospace enterprises such as Boeing, Airbus, Rolls Royce, and Bombardier