Resently, We get order from India and Korea Client, they have purchased us Kovar bars and Kovar sheets, They use kovar bar to make pins ,kovar sheet to make cover plate. below are the finished products,they produced.
4J29(KOVAR) alloy has a linear expansion coefficient similar to borosilicate hard glass at 20 ~ 450℃, high residential point and good low temperature microstructure stability. The alloy oxide film is dense and can penetrate well into the glass. And does not contain mercury, suitable for use in mercury discharge meters. It is the main sealing structural material of electric vacuum equipment.
As a special alloy material, 4J29 has a wide range of applications and unique properties. Its composition mainly includes iron, nickel, cobalt, vanadium and other elements, and the reasonable proportion of these elements makes 4J29 have excellent physical and chemical properties.First of all, 4J29 has good thermal expansion performance, and its thermal expansion coefficient is very stable at low temperatures, which can maintain small thermal expansion changes. This feature makes 4J29 widely used in precision instruments, optical equipment and other high-precision instruments and equipment. In these areas, stable thermal expansion performance is very important to maintain the accuracy and stability of the equipment.Secondly, 4J29 has excellent magnetic properties. It is an alloy material with low permeability and high magnetic saturation induction strength. This gives 4J29 a unique advantage when it comes to manufacturing magnetic components. For example, in electronic equipment, 4J29 is often used to manufacture magnetic rings, magnetic heads and other components, which can effectively improve the permeability and magnetic induction intensity of the equipment, and improve the performance and efficiency of the equipment.
In addition, 4J29 also has good corrosion resistance. It can maintain stable chemical properties in harsh environments and is not easily affected by oxidation, corrosion and other factors. In this way, 4J29 is widely used in chemical, aerospace and other fields. For example, in the manufacture of spacecraft, 4J29 is often used to make corrosion-resistant parts that can ensure the normal operation of spacecraft in extreme environments.
According to the heat treatment requirements of 4J29, precise heat treatment is required due to its special composition and properties. In order to ensure the performance and microstructure stability of 4J29, it is necessary to control the temperature, time and cooling rate of the alloy during the heat treatment process. The performance of 4J29 can be further optimized through reasonable heat treatment to improve its application value in various fields.
In summary, 4J29 Covar alloy, as a special alloy material with excellent physical and chemical properties, is widely used in precision instruments, optical equipment, magnetic components, aerospace and other fields. Its composition and performance make the 4J29 an important part of many high-precision, high-performance devices. With the continuous development of science and technology, it is believed that 4J29 will have a broader application prospect in more fields.
4J29 is a special alloy material with unique composition, properties, heat treatment requirements and application areas. The 4J29 is described in detail from these four aspects.
First, let’s look at the ingredients of 4J29. 4J29 alloys made of iron (Fe), nickel (Ni), cobalt (Co) and copper (Cu), of which nickel and cobalt content is higher. In order to meet specific performance requirements, the composition of this alloy is designed to be very precise. The mutual ratio of these elements makes 4J29 have good thermal expansion performance and low permeability.
Second, the 4J29 has excellent performance. First, its coefficient of thermal expansion is very low, which means that when the temperature changes, its size changes relatively small, thus maintaining good stability.
Second, 4J29 has good magnetic properties and low permeability, so it is widely used in electronic devices and precision instruments. In addition, 4J29 also has good corrosion resistance and mechanical properties, so that it can maintain stable performance in a variety of harsh environments.
Third, let’s look at the heat treatment requirements of 4J29. In order to obtain the best performance, 4J29 alloy needs to be heat treated during processing. Common heat treatment methods include solution treatment and aging treatment. Solution treatment is to heat 4J29 to a certain temperature and then cool it quickly to eliminate supersaturated solid solutions in the alloy. Timeliness is to keep the 4J29 alloy after solid solution treatment at a certain temperature for a period of time, so that it produces a precipitated hardening phase, thereby improving the strength and hardness of the alloy.
Fourth, let’s look at the application areas of 4J29. Because of its good thermal expansion performance and low permeability, 4J29 has been widely used in precision instruments, electronic equipment and aerospace fields. For example, in the aerospace sector, 4J29 can be used to manufacture precision instruments and sensors in missiles, satellites and spacecraft. In the field of electronic devices, 4J29 can be used to manufacture components such as high-precision resistors, inductors and magnetic heads. In addition, the 4J29 can also be used in precision instruments, optical instruments and medical equipment.
More information about kovar material, do you want to konw kovar material price, please contact us at info@sekonicmetals.com
Post time: Apr-28-2024