The comparison of the elastic properties of tungsten wire for textiles weaving gloves and nickel-titanium alloy wire is as follows:
- Elastic properties of tungsten wire
Tungsten wire has a high elastic modulus (about 400 GPa), which means that tungsten wire is very rigid and not easy to deform. This high elasticity allows tungsten wire to have a small elastic deformation when subjected to stress, and generally exhibits extremely high rigidity and low ductility.
Therefore, tungsten wire is suitable for applications that require high rigidity and strength, but its elastic recovery ability is relatively weak, and it is prone to fracture or plastic deformation under large deformation.
- Elastic properties of nickel-titanium alloy wire
Nitinol alloy wire (also known as shape memory alloy wire) has unique elastic properties, especially its superelasticity (also called pseudoelasticity) and shape memory effect. The elastic modulus of nickel-titanium alloy is about 40-75 GPa, which is much lower than that of tungsten wire, but it can recover to its original shape without permanent deformation within a large strain range.
Superelasticity is manifested as a large deformation when subjected to stress, but it quickly recovers to its original shape after the stress is released. Nickel-titanium alloy wire can withstand greater elastic deformation than tungsten wire, so it is more suitable for applications that require high flexibility and elastic recovery.
- Comparison and application suggestions
Tungsten wire is mainly characterized by high rigidity and low elastic deformation, which is suitable for applications in high-strength and high-temperature environments, but not for occasions requiring high elasticity.
Due to its significant superelasticity and shape memory effect, nickel-titanium alloy wire can recover to its original shape after large deformation, which is very suitable for applications requiring high elasticity and shape recovery, such as medical guidewires, elastic components, and smart materials.
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