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What happens to strain when stress is increased in a material?
It also increases. It increases linearly with stress in the elastic range, then increass more rapidly once the material is plastic ( yielded).
Difference between shear stress and critically resolved shear stress?
Shear stress refers to the force per unit area acting parallel to a material's cross-section, causing deformation. Critically resolved shear stress, on the other hand, is the minimum shear stress needed to initiate slip in a crystalline material, depending on the orientation of the applied stress relative to the crystal lattice. Essentially, while shear stress is a general measure of applied forces, critically resolved shear stress specifically relates to the conditions under which a material will yield or deform.
What strain or pressure in a material due to forces acting on it?
Stress
What does it mean if you have a high value for youngs modulus 8333.3 compared to a low value 1200?
Young's modulus is stress/strain. So if the modulus is high, it means that the stress value is greater compare to that of the material where the modulus is low. or in other words, the strain is very less compared to that of the material having low Young's modulus. So it tells that, if a material has high Young's modulus, the material requires more load for deformation of shape (within elastic limit).
Why 'strain is more fundamental then stress'?
Strain is considered more fundamental than stress because it directly measures the deformation of a material in response to an applied force, reflecting the material's internal response to that force. Stress, on the other hand, is a measure of the force applied per unit area and does not account for the material's specific reaction. Strain provides insight into the material's properties and behaviors, making it essential for understanding how materials will react under different loading conditions. Thus, while stress is important, it is ultimately the strain that describes the actual change in the material's shape or size.
What is the Formula for Hoop stress?
Hoop stress is just nothing but stress which can be acted upon circumferentialy formed material, where as subjected to internal & external pressure. Formula is (internal pressure*outside dia of cylinder)/internal dia of cylinder If innternal pr goes beyond 80mpa, this presuure vessel is in safer side
What is a hoop stress?
The hoop stress is the force exerted circumferentially in both directions on every particle in the cylinder wall.
Is hoop a noun?
Yes the word 'hoop' is both a noun (hoop, hoops) and a verb (hoop, hoops, hooping, hooped).The noun hoop is a word for a circular band made of rigid material, a word for a thing.The verb to hoop is to surround, support, or bind with a hoop.
What does fatigue mean in a material?
Fatigue in a material refers to a weakening or degradation of the material due to repetitive loading or stress cycling over time. This can lead to cracks, fractures, or failure in the material even if the stress levels are below the material's ultimate strength.
How can one calculate strain from stress in a material?
To calculate strain from stress in a material, you can use the formula: Strain Stress / Young's Modulus. Stress is the force applied to the material, and Young's Modulus is a measure of the material's stiffness. By dividing the stress by the Young's Modulus, you can determine the amount of deformation or strain the material undergoes under the applied stress.
Cite an example of an object that has CG where no physical material exists?
A hula hoop.
How to find strain from stress in a material?
To find strain from stress in a material, you can use the formula: Strain Stress / Young's Modulus. Young's Modulus is a measure of the stiffness of a material. By dividing the stress applied to the material by its Young's Modulus, you can calculate the resulting strain.
Example of an object that has a CG where no physical material exists?
a hula hoop, a ring, a doughnut
What is the maximum amount of stress a material can exert called?
The maximum amount of stress a material can exert is called the ultimate tensile strength. It is the maximum stress a material can withstand before breaking.
Critical stress at which material will start to flow?
The critical stress at which a material will start to flow is called the yield stress. It represents the point at which the material transitions from elastic deformation to plastic deformation, causing it to permanently deform under applied stress. Yield stress is an important mechanical property that determines the material's ability to withstand deformation.
In which factor does breaking stress depends?
Breaking stress of a material depends on factors such as the material's type, structure, temperature, and loading rate. It measures the maximum stress a material can withstand before breaking.
What does tention mean in science?
Tension is the application of force to a material. (Not tention just for the record.) Stress, just to clarify, is the movement of said material under tension.
