Expansion alloy is a material with unique physical properties, which can adapt to various shape changes through its own thermal expansion effect within a certain temperature range. Among them, 4J33 expansion alloy is a material with excellent properties and is widely used in various fields. This article will introduce the physical properties, chemical composition, manufacturing process and application fields of 4J33 expansion alloy in detail.
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1. Physical properties of 4J33 expansion alloy.
4J33 expansion alloy is a material with excellent physical properties, and its main physical properties include thermal expansion coefficient, density, resistivity and elastic modulus. Among them, the coefficient of thermal expansion is one of the most important physical properties of 4J33 expansion alloy, which can adapt to various shape changes through its own thermal expansion effect within a certain temperature range. In addition, the density of 4J33 expansion alloy is 82G cm, medium resistivity, modulus of elasticity 210 GPA.
2. Chemical composition of 4J33 expansion alloy.
The chemical composition of 4J33 expansion alloy is mainly composed of elements such as iron, chromium, cobalt, nickel and titanium. Among them, iron is the main element of the alloy, and the content is the margin;The chromium content is 20-3.0%；The content of cobalt is 15-2.5%；The nickel content is 20-3.0%；The content of titanium is 06-1.2%。In addition, the alloy also contains a certain amount of elements such as silicon and manganese, but none of them contain more than 10%。
3. The manufacturing process of 4J33 expansion alloy.
The process of manufacturing 4J33 expansion alloy mainly includes smelting, casting, heat treatment and processing. First, raw materials such as iron, chromium, cobalt, nickel and titanium are mixed together in a certain proportion for smelting to obtain a preliminary alloy. Next, the preliminary alloy is cast to form a casting of the desired shape. The castings are then heat treated to improve their physical and mechanical properties. Finally, the castings are machined to meet the needs of the practical application.
Fourth, the application field of 4J33 expansion alloy.
Because 4J33 expansion alloy has excellent physical properties and good processing properties, it is widely used in various fields. Among them, the most important application areas are the electronics industry and the instrument manufacturing industry. In these fields, 4J33 expansion alloy is widely used in the manufacture of precision components for various electronic components and instrumentation. In addition, in the aerospace field, 4J33 expansion alloy is also widely used, for example in the manufacture of rockets and missiles for the manufacture of various high-temperature components.
In a word, 4J33 expansion alloy, as a material with excellent properties, has been widely used in various fields. With the continuous development of science and technology, it is believed that 4J33 expansion alloy will be applied and promoted in more fields.