Alloy 718 superalloy bar performance test results Encyclopedia

Mondo Technology Updated on 2024-01-29

As an important superalloy, Alloy 718 has excellent high-temperature strength, high-temperature creep and high-temperature fatigue properties, so it has been widely used in aerospace, energy and other fields.

Alloy 718 superalloy is a solution-strengthened alloy, which strengthens the matrix by adding chromium, molybdenum, niobium and other elements, and adds a certain amount of titanium and aluminum elements for aging strengthening. This alloy has excellent mechanical properties at high temperatures, including high strength, good plasticity and toughness, and excellent corrosion resistance.

In high temperature environments, Alloy 718 has excellent strength and creep properties. At high temperatures above 600 °C, the alloy has high durability and creep strength and is able to withstand high temperature working environments under complex stresses. In addition, Alloy 718 has good high-temperature fatigue properties, which can maintain fatigue strength and life under high cyclic stress.

Alloy 718 is widely used in the aerospace field. In aircraft engines, the alloy is often used to make high-temperature components such as turbine discs, blades, etc. Due to its excellent mechanical properties and corrosion resistance, Alloy 718 alloy can meet the working requirements of aero engines at high temperature, high pressure and high speed. In addition, the alloy is also widely used in rocket engines, such as in the manufacture of key components such as fuel tanks and combustion chambers.

In addition to the aerospace sector, Alloy 718 is also widely used in the energy sector. For example, in the petrochemical industry, the alloy is used to make high-temperature pipes and vessels, which can withstand the requirements of high-temperature, high-pressure, corrosion and other complex environments. In addition, in the field of nuclear energy, Alloy 718 alloy is also widely used, for example, in the manufacture of key components in nuclear reactors.

In short, Alloy 718 alloy is an important superalloy with excellent high-temperature strength, high-temperature creep and high-temperature fatigue properties, so it has been widely used in aerospace, energy and other fields. With the continuous progress of science and technology and the expansion of application fields, the alloy will continue to play an important role and contribute to the development of various industries.

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