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Are there any materials that undergo strong contraction when an electric current is introduced?
Yes, all piezoelectric materials exhibit the reverse piezoelectric effect. A piezoelectric material is one that generates an electric field or electric potential in response to applied mechanical stress. Therefore, in the reverse case, passing an electric current through the material or an electric potential across the material, will cause it to contract or elongate, depending on the direction of the current. One of the best example of this is lead zirconate titanate which will contract/elongate up to about 0.1% of the original dimensions.
What is the equivalent steel to ie0010b?
The equivalent steel to IE0010B is typically recognized as S235JR in the European standards. Both grades exhibit similar chemical compositions and mechanical properties, making them interchangeable for many applications. However, it's always advisable to consult relevant standards and specifications for specific use cases.
Are hydre polymorphic?
yes they exhibit polymorphism.. they have zooids and hydroids
What are some reasons that both technology improvement and technology diffusion exhibit s-shaped curves?
What are some of the reasons that both technology improvement and technology diffusion exhibit s-shaped curves
What is the difference between a permanent magnet and a temporary magnet?
Temporary magnet: good example is an electromagnet. It maintains magnetic attraction only so long as an electric current surrounds it. Permanent magnet: most common. Example: bar magnet. Will maintain magnetic properties for quite a while, although they can be eventually demagnetized.
How do you know the material is elastic?
A material is considered elastic if it returns to its original shape after deformation or stress is applied and removed. This behavior is characterized by the material's ability to store and release energy when subjected to external forces. Materials like rubber and certain metals exhibit elastic properties.
What is visco elastic behavior?
Viscoelastic behavior is the combination of viscous (fluid-like) and elastic (solid-like) properties in a material. When subjected to stress, a viscoelastic material will exhibit both elastic deformation (instantaneous response) and viscous flow (time-dependent response). This behavior is commonly seen in polymers, biological tissues, and some fluids.
What is the properties of isotropic material?
Isotropic materials have the same mechanical properties in all directions. This means they exhibit identical responses to stress or strain, regardless of the direction in which they are applied. Isotropic materials are characterized by having uniformity and symmetry in their properties.
What is difference between anisotropic material and orthotropic material?
an orthotropic material is one that has the different materials properties or strength in different octhogonal directions, but properties of anisotropic material being directionally dependent. thus Orthotropic materials are anisotropic.
Is water elastic?
Water is not considered elastic in the traditional sense, as it does not exhibit the property of elasticity like rubber does. However, water can exhibit some elastic properties under certain conditions, such as surface tension and the ability to store and release energy when waves propagate through it.
Is it possible for copper to exhibit magnetic properties?
Yes, copper cannot exhibit magnetic properties under normal conditions because it is not a ferromagnetic material.
How does copper exhibit magnetism in its properties?
Copper does not exhibit magnetism in its properties because it is not a ferromagnetic material. This means that copper does not have a strong attraction to magnets and does not retain magnetism when exposed to a magnetic field.
What is a material that can exhibit both insulating and conducting properties?
Graphene is a material that can exhibit both insulating and conducting properties. In its pristine form, graphene is a highly efficient conductor due to its unique 2D structure. However, by introducing defects or doping, graphene can also exhibit insulating behavior, making it a versatile material for various electronic applications.
What is the viscosity of rubber?
The viscosity of rubber varies depending on its composition and temperature. Generally, rubber has a high viscosity, meaning it resists flow and deformation. Rubber can exhibit both elastic and viscous properties, making it a viscoelastic material with complex rheological behavior.
Is silicon elastic?
Silicon is generally considered to be inelastic, meaning it does not easily return to its original shape after being deformed. However, silicon can exhibit some elastic properties depending on its structure and how it is processed.
What is Difference between elastic limit and proportional limit?
Proportionality limit is the point upto which the stress remains directly proportional to strain whereas elastic limit is the point upto which the material remains elastic ie. if the stress is removed within elastic limit, then the material will regain its original shape and size.
Hooke's law does not hold beyond?
Hooke's law does not hold beyond the elastic limit of a material. Once a material is deformed beyond this point, it will not return to its original shape when the stress is removed. Instead, the material will exhibit plastic deformation and may eventually fail.
