3J1 elastic alloy is a kind of high elastic alloy, which belongs to non-ferrous magnetic alloy. It is based on iron (Fe) with the addition of elements such as nickel (Ni) and cobalt (Co). This alloy has excellent elasticity and shape memory properties, so it is widely used in the manufacture of springs, sensors, instruments and precision machinery and other fields.
Chemical Composition of 3J1 Elastic Alloy
The chemical composition of 3J1 elastic alloy is as follows:
3J1 physical properties
The following are some physical and chemical properties of 3J1 elastic alloy:
Linear expansion coefficient: In the state of solid solution and aging, the average linear expansion coefficient of 3J1 alloy is about (12.0～14.0)×10-6℃-1 in the range of 20～100℃.
Density: Under the state of cold strain and aging, the density of 3J1 alloy is about 8.0g/cm3.
Electrical properties: In the state of cold deformation and aging, the resistivity of 3J1 alloy is about 1.02μΩ·m.
Magnetic property: The magnetic susceptibility of 3J1 alloy in solid solution plus aging state is about (12.5～205)×10-11.
Chemical properties: In terms of corrosive media, such as nitric acid, phosphoric acid, sodium hydroxide, sulfur-containing petroleum, fuel oil and lubricating oil, 3J1 alloy shows good corrosion resistance. It is also resistant to corrosion in marine environments and tropical climates.
To sum up, 3J1 elastic alloy has specific linear expansion coefficient, density, electrical and magnetic properties, and good corrosion resistance, which make it have broad application prospects in various application fields.
3J1 product features
3J1 (3J01) elastic alloy is a nickel-chromium-iron austenitic precipitation-strengthened high-elastic alloy. It has the following features and performance:
High strength and high modulus of elasticity: 3J1 alloy has high strength and modulus of elasticity, which enables it to withstand large stresses without deformation or fracture.
Elastic aftereffect and hysteresis: 3J1 alloy exhibits minor elastic aftereffect and hysteresis, that is, it can quickly return to the original shape after the stress is released.
Weak Magnetic: This alloy has weak magnetic properties and is suitable for applications that are sensitive to magnetic fields.
Good corrosion resistance: 3J1 alloy shows good corrosion resistance under corrosive medium conditions, and can resist corrosion and oxidation.
Thermal stability: The alloy can work stably at higher temperatures, up to 250°C, and can also be used at low temperatures, such as near -200°C.
Generally speaking, 3J1 elastic alloy has the characteristics of high strength, high elastic modulus, good corrosion resistance and thermal stability, and is suitable for applications requiring high elasticity and corrosion resistance.
3J1 (3J01) elastic alloy application fields
3J1 (3J01) elastic alloys are widely used in the following fields:
Spring and shrapnel: Due to its excellent elastic recovery performance, 3J1 alloy is widely used in the manufacture of springs and shrapnel, such as spring leaf, spring guide rail, etc. These springs are commonly used in precision instruments, electronic equipment and the automotive industry.
Sensors: 3J1 alloy is very sensitive to changes in temperature and pressure, making it an ideal material for manufacturing temperature sensors, pressure sensors and strain sensors, etc. These sensors are widely used in automation control, aerospace, medical equipment and environmental monitoring and other fields.
Instrumentation: Due to its low temperature drift and magnetic stability, 3J1 alloy is used to manufacture high-precision instruments, such as precision balances, timers and measuring instruments.
Precision Machinery: The high elasticity and shape memory effect of 3J1 alloy make it ideal for the manufacture of precision mechanical components. It is widely used in the fields of micro actuators, transmission parts of precision instruments and automation devices.
In addition to the above-mentioned application fields, 3J1 alloy can also be used in the manufacture of sound oscillators, conductive spring contacts of electronic components and inductors, etc. Its excellent performance makes 3J1 elastic alloy have its unique application value in many fields.