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What is Electric field stress?
An Electric field stress depends on the mechanical strength of the materials and the stresses that are generated during their operation. During high voltage applications, the dielectric strength of insulating materials are developed when subjected to high voltages.
Stress strain curve for brittle material?
Brittle materials such as ceramics do not have a yield point. For these materials the rupture strength and the ultimate strength are the same, therefore the stress-strain curve would consist of only the elastic region, followed by a failure of the material.
What is Baushchinger effect?
The Bauschinger effect refers to a property of materials where the material's stress/strain characteristics change as a result of the microscopic stress distribution of the material. An example is an increase in tensile yield strength at the expense of compressive yield strength.
Why is the strength of a material described in terms of stress instead of force?
The strength of a material is described in terms of stress rather than force because stress accounts for the material's ability to withstand loads relative to its cross-sectional area. This allows for a standardized comparison between different materials, regardless of their size or shape. By using stress, engineers can better predict how materials will behave under various loading conditions, ensuring safety and performance in structural applications.
What is critical in stress intensity?
Stress intensity is related to product of stress and flaw size for materials. If stress is increased to critical, this results in catastrophic failure. The critical stress intensity factor KIc is a property of the material. KIc = Strength x sqrt(flaw) x geometry factor
What is the definition of tensile strength?
It is the maximum stress a material can withstand while being strteched.
What is the definition of fatigue strength?
Fatigue strength is the maximum stress that a material can withstand for a specified number of loading cycles before failure occurs. It is an important property in materials science and engineering as it determines the durability of a material under cyclic loading conditions.
What is the formula for working stress disign?
shear strength / (force/Area) i think
What is Electric field stress?
An Electric field stress depends on the mechanical strength of the materials and the stresses that are generated during their operation. During high voltage applications, the dielectric strength of insulating materials are developed when subjected to high voltages.
Stress strain curve for brittle material?
Brittle materials such as ceramics do not have a yield point. For these materials the rupture strength and the ultimate strength are the same, therefore the stress-strain curve would consist of only the elastic region, followed by a failure of the material.
What is working stress method?
it is a method of design in rcc structures, in which stresses of materials is calculated by using working load and compared with allowable stress by considering a linear stress strain relation ship.
What is the difference between yield strength and ultimate strength in materials testing, and how do they affect the overall performance of a material under stress?
Yield strength is the point at which a material begins to deform permanently, while ultimate strength is the maximum stress a material can withstand before breaking. Yield strength indicates the material's ability to return to its original shape after being stressed, while ultimate strength shows its maximum strength. Materials with higher yield strength can withstand more stress before permanent deformation, while those with higher ultimate strength can withstand more stress before breaking. Both factors are important in determining the overall performance of a material under stress, as they indicate its ability to withstand different levels of force without failing.
What is the difference between tensile strength and yield strength, and how do they compare in terms of a material's ability to withstand stress and deformation?
Tensile strength is the maximum stress a material can withstand before breaking, while yield strength is the stress at which a material begins to deform permanently. Tensile strength measures a material's ultimate strength, while yield strength indicates its ability to resist deformation. In general, materials with higher tensile strength can withstand more stress before breaking, while those with higher yield strength can resist deformation better.
How does the strain stress affect the structural integrity of materials under pressure?
When materials are under pressure, strain stress can cause them to deform or break, compromising their structural integrity. This is because the strain stress creates internal forces that can exceed the material's strength, leading to failure.
What is Baushchinger effect?
The Bauschinger effect refers to a property of materials where the material's stress/strain characteristics change as a result of the microscopic stress distribution of the material. An example is an increase in tensile yield strength at the expense of compressive yield strength.
What is the difference between shear strength and yield strength in materials testing?
Shear strength is the maximum stress a material can withstand before it fails due to sliding along a plane parallel to the applied force, while yield strength is the stress at which a material begins to deform permanently. In simpler terms, shear strength is about sliding, while yield strength is about permanent deformation.
What is the relationship between yield strength and Young's modulus in materials?
Yield strength and Young's modulus are related in materials as they both measure the material's ability to withstand deformation. Young's modulus is a measure of stiffness, while yield strength is a measure of the stress at which a material begins to deform permanently. In general, materials with higher Young's modulus tend to have higher yield strength.
