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Can the Yield strength of steel ever be greater than the Ultimate tensile strength?
The yield strength is reached when the material becomes non - linear ( that is non elastic) and takes a permanent set when load is released. Material stretches but does not break. Ultimate strength is when it breaks and is higher than yield strength.
Why does the theoretical yield differ from the actual yield?
The theoretical yield is the amount of product that we predict will be obtained, calculated from the eqquation. The actual yield is the amount of product that is actually obtained at the end of the procedure.
What happens if the yield stress and tensile stress of a steel bar is alomost the same?
Yield strength is the stress at which a material deforms plastically- basically, when you take the load off, it won't go back to the same dimensions it started at. Tensile strength is the stress at which the material breaks. In materials where the yield and tensile strengths are close numerically, like glass, there is a very small plastic range. These materials are thought of as brittle. In materials where the yield and tensile strengths are far apart numerically, like soft aluminum, there is a very large plastic range. One potential upside of a larger plastic range is that brittle failures are often catastrophic. A material with a larger plastic range can allow a part to be designed that will fail in overload by deforming until the part is unusable, rather than fracturing completely.
What is high grade-tensile steel?
Classification of high grade-tensile steel for Automotive: Automotive steels can be classified in several different ways. One is a metallurgical designation. Common designations include low-strength steels (interstitial-free and mild steels); conventional high-tensile or high-strength steels, otherwise called HSS (carbonmanganese, bake hardenable, high-strength interstitial-free, and high-strength, low-alloy steels); and the newer types of ultra-high tensile or Advanced High-Strength Steels, called AHSS (dual phase, transformation-induced plasticity, complex phase, and martensitic steels). Additional higher strength steels for the automotive market include ferritic-bainitic, twinning-induced plasticity, hot-formed, and post-forming heat-treated steels.A second classification method important to part designers is strength of the steel. In this answer, the general terms HSS and AHSS is used to designate all higher strength steels. In contrast, much of the current literature in the world today uses narrowly defined ranges to categorize different steel strength levels. One such system defines High-Strength Steels (HSS) as yield strengths from 210 to 550 MPa and tensile strengths from 270--700 MPa, while Ultra-High-Strength Steels (UHSS) steels have yield strengths greater than 550 MPa and tensile strengths greater than 700 MPa. These arbitrary ranges suggest discontinuous changes in formability when moving from one category to another. However, data show property changes are a continuum across the entire span of steel strengths. In addition, many steel types have a wide range of grades covering two or more strength ranges.A third classification method presents various mechanical properties or forming parameters of different steels, such as total elongation, work hardening exponent n, or hole expansion ratio .The principal difference between conventional HSS and AHSS is their microstructure. Conventional HSS are single phase ferritic steels. AHSS are primarily multi-phase steels, which contain ferrite, martensite, bainite, and/or retained austenite in quantities sufficient to produce unique mechanical properties. Some types of AHSS have a higher strain hardening capacity resulting in a strength-ductility balance superior to conventional steels. Other types have ultra-high yield and tensile strengths and show a bake hardening behaviour.
What is the tensile strength of cotton in lbs per square inch?
If fiberglass is layed up in one direction only (unidirectional) its strength is greater than 100,000 psi for E glass and 250,000 psi for S glass. If layed up in cross plies like fiberglass cloth (G10) strength in tension is about 40,000 psi
Can the Yield strength of steel ever be greater than the Ultimate tensile strength?
The yield strength is reached when the material becomes non - linear ( that is non elastic) and takes a permanent set when load is released. Material stretches but does not break. Ultimate strength is when it breaks and is higher than yield strength.
What is the yield strength of cast iron?
For the usual run of cast iron, The yield stength almost coincides with its fracture strength - cast iron is very brittle and fractures at usually more than 20000 pounds per square inch. DUCTILE cast iron is one of the several irons that DO yield before cracking.
Where can I find out information on a high yield cd and what is it?
A high-yield CD is one that has a greater return on your investment, in other words, a higher interest rate. It's not an account of any kind, you can purchase one at most financial institutions.
What is a solid that has ability to bend without breaking?
If a material is easy to bend without breaking, it is usually described as flexible (flexibility). Another similar term is tensile strength (the strength of a material when it is stretched). Malleability describes the material's ability to be molded without breaking. Tensile strength and ductility describe the ability to be stretched without breaking.
Differences between mild and tor steel bar?
Specifics of their alloys, they'll have different proportions of carbon, iron, chrome etc. These changes will make the one known as steel a little stronger and harder to machine than the one called mild steel.
Is diamonds the most strongest type of rock?
Diamonds are one of the hardest substances on Earth, making them very resistant to scratches. However, strength is the ability to withstand breaking or deformation, and diamonds can be brittle and shatter under certain conditions. Other rocks like granite or basalt may exhibit greater overall strength in terms of withstanding pressure or impact.
What is Bauschinger Effect in steel with a sketch.?
The Bauschinger Effect refers to the phenomenon where the yield strength of a material, such as steel, decreases when it is subjected to reversed loading after being previously strained in one direction. This effect is attributed to the residual stresses and dislocation arrangements within the material's microstructure. As a result, when the loading direction is reversed, the material exhibits lower yield strength compared to its original state. Sketch: (Imagine a simple graph with stress on the vertical axis and strain on the horizontal axis. The graph shows a curve for loading in one direction, followed by a shift downwards for unloading and then a curve for loading in the opposite direction, which starts lower than the original yield point, illustrating the reduced yield strength.)
What is the definition of food yield?
Food yield is the entire amount of food that is obtained in one yield.
Can 2 salt cell generators be installed in the same line for a greater chlorine yield?
It can. But unfortunatley no manufacturer that I know off hand can run more than one chlorinator on one control box. Jandy is currently working on it.
How do you calculate percentage yield?
# Determine the limiting reagent; # Calculate the expected yield if the reaction goes to 100% completion. # Divide the actual yield by the expected yield and multiply by 100. The result is percentage yield.
How many milileters of margerine are in one container?
The milileters of margerine in one container may differ depending on how big the container is. Smaller containers will yield a smaller amount of milileters, while a larger container will allow for a greater number of margerine.
How can I use the seven day yield calculator to determine the yield on my investment over a one-week period?
To determine the yield on your investment over a one-week period using the seven day yield calculator, input the investment amount and the interest earned over the week. The calculator will then calculate the yield as a percentage of the investment amount.
