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Which chemical is responsible for its stiffness of sclerenchyma?
lignin is the chemical
What is flexibility of a material measured in?
The flexibility of a material is known as pliability. The opposite of this is stiffness, or the resistance to outside applied forces.
What is the hardest plastic?
As of November 2006, the stiffest unreinforcedcommercially available material was 'Primospire' polyphenylene from Solvay Chemicals, with a flexural modulus of 1.2 Million PSI & tensile strength of 30,000 PSI.Glass-filled materials may achieve higher stiffness, but at lower strength.
How fast does a tennis ball have to go to break tempered glass?
You need to know the area of the glass, its span, how it is supported, and how thick it is; also you need to know the stiffness of the tennis ball; so this is a complex problem.
Compare physical and chemical properties?
A chemical property is the substance's response to other substances, resulting in a new substance. A physical property is something like a substance's lustre, melting point, boiling point, colour, or density, to name a few. Examples of chemical properties are: combustibility and reaction to acid.
Are The ideal characteristics for building materials in seismically active areas are ductility and stiffness?
False
What is the property of ductility?
Ductility is "The ability to bend or flex". Stiffness, rigidity, and hardness come to mind. If a metal is hard it isn't Ductile.
What are the effects of applying uniaxial strain on the mechanical properties of materials?
Applying uniaxial strain to materials can change their mechanical properties. It can increase strength and stiffness, but may also decrease ductility and toughness. The specific effects depend on the material and the amount of strain applied.
What are the properties of brittle materials?
Brittle materials have low ductility, meaning they exhibit little to no plastic deformation before fracturing. They also have high stiffness and high strength, but are prone to sudden and catastrophic failure without warning. Examples of brittle materials include ceramics, glass, and some types of polymers.
What property is the opposite of ductility?
Ductility is "The ability to bend or flex". Stiffness, rigidity, and hardness come to mind. If a metal is hard it isn't Ductile.
What is the stiffness of a material?
Stiffness of a material is a measure of its resistance to deformation when subjected to an applied load. It indicates how much a material will deform under a given load. Materials with high stiffness will deform less under load, while materials with low stiffness will deform more.
What is the relationship between stiffness and elastic modulus in materials?
The relationship between stiffness and elastic modulus in materials is that the elastic modulus is a measure of a material's stiffness. A higher elastic modulus indicates a stiffer material, while a lower elastic modulus indicates a more flexible material. In other words, stiffness and elastic modulus are directly related in that a higher elastic modulus corresponds to a higher stiffness in a material.
What are the characteristics of bulbar polio?
Stiffness and paralysis typically occurs in the neck and head.
What is the difference between stiffness and modulus in materials testing?
Stiffness refers to a material's resistance to deformation, while modulus measures the material's ability to withstand stress. Stiffness is a property that describes how much a material resists bending or stretching, while modulus quantifies the material's elasticity and stiffness. In materials testing, stiffness is often measured by the material's Young's modulus, which is a specific type of modulus that relates stress to strain.
How does the hardness of materials affect the speed of the sound in the solids?
In general, the speed of sound in a solid is directly proportional to the square root of its material's stiffness and inversely proportional to its density. Harder materials tend to have higher stiffness, which can lead to faster speeds of sound compared to softer materials. This is because the stiffness of a material affects how quickly sound waves can propagate through it.
What are the key differences between isotropic and orthotropic materials in terms of their mechanical properties?
Isotropic materials have the same mechanical properties in all directions, while orthotropic materials have different properties in different directions. This means that isotropic materials have uniform strength and stiffness, whereas orthotropic materials have varying strength and stiffness depending on the direction of force applied.
What is the relationship between the modulus of elasticity and stiffness in materials?
The modulus of elasticity is a measure of a material's ability to deform under stress, while stiffness is a measure of how resistant a material is to deformation. In general, materials with a higher modulus of elasticity tend to be stiffer.
