Development History

1. International development

Since the late 1930s, Britain, Germany, the United States and other countries have begun to study superalloys. During the Second World War, in order to meet the needs of new aeroengines, the research and use of superalloys entered a period of vigorous development. In the early 1940s, Britain first added a small amount of aluminum and titanium to 80Ni-20Cr alloy to form a γ'phase for strengthening, and developed the first nickel-based alloy with higher high temperature strength. In the same period, the United States began to use Vitallium cobalt-based alloy to make blades in order to meet the needs of the development of turbochargers for piston aviation engines.

In addition, the United States has also developed Inconel nickel-based alloys to make jet engine combustion chambers. Later, in order to further improve the high temperature strength of the alloy, metallurgists added tungsten, molybdenum, cobalt and other elements to the nickel-based alloy to increase the content of aluminum and titanium, and developed a series of alloys, such as the British 'Nimonic' and the American 'Mar-M' and 'IN', etc.; in the cobalt-based alloy, nickel, tungsten and other elements are added to develop a variety of high-temperature alloys, such as X-45, HA-188, FSX-414, etc. Due to the lack of cobalt resources, the development of cobalt-based superalloys is restricted.

In the 1940s, iron-based superalloys were also developed. In the 1950s, brands such as A-286 and Incoloy901 appeared. However, due to their poor high temperature stability, their development has been slow since the 1960s. The Soviet Union began to produce 'ЭИ' brand nickel-based superalloys around 1950, and later produced 'ЭП' series of deformed superalloys and ЖС series of cast superalloys. In the 1970s, the United States also used new production techniques to manufacture directional crystal blades and powder metallurgy turbine disks, and developed single crystal blades and other high-temperature alloy components to meet the needs of increasing temperature at the inlet of aero-engine turbines.

Since its development, the annual consumption of high-temperature metal alloys in the international market is 300,000 tons, which are widely used in various fields. In the past few years, the global aerospace industry has a strong demand for new energy aircraft, and Airbus and Boeing have over 10,000 such aircraft waiting for delivery. The Precision Parts Company is a global leader in the manufacture of high-temperature alloy complex metal parts and products. It also provides high-temperature alloys such as nickel and cobalt for aerospace, chemical processing, oil and natural gas smelting, and pollution prevention and control industries. Precision Parts Company is the designated manufacturer of parts for military and aerospace companies such as Boeing, Airbus, Rolls Royce, and Bombardier.