Questions tagged [yield-point]

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2answers
88 views

Reasonable expected yield strength of A513 steel

I'm looking to build a fish-tank stand for a decently large fish tank (300 gal). I'm looking at building it out of A513 steel because that is easily available locally. However, I am having trouble ...
6
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1answer
109 views

Yield properties of plastic material

What is meant by yield of isotropic plastic material? How is yield of Isotropic plastic material different from the term normal yield which is referred as transition from elastic behaviour to plastic....
2
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1answer
93 views

Why isn't von Mises criterion valid when compressive and tensile yield stresses differ?

For example here, it is mentioned: The von Mises criterion is NOT a valid yield (failure) criterion for materials with different yield stress values in tension and compression. I can't really ...
4
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2answers
78 views

Why is local yielding considered the limiting case in context of buckling in Eurocode?

In Eurocode, when use buckling curves to calculate the maximum load that a compressive member can be subjected to before it risks buckling. Buckling curves are based on the Perry-Robertson formula. I'...
0
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0answers
662 views

Problem with cantilever beam and yield strength

Hey, I make a project in which I use a cantilever beam with distributed equal load across the whole beam and I'm using the formulas above to calculate the displacement, moment... My specifications ...
1
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3answers
847 views

Buckling vs. Yielding Failure of Columns

As I have been working through examples of construction projects, I've noticed that in nearly every case of a structural column (sample size considers only homogeneous material columns, no composite ...
3
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1answer
3k views

Sheet Metal Bending: stuck on calculating the minimum radius required

I'm used to calculate the minimum radius required for bending operations on both aluminum and steel sheets, given the following parameters: https://imgur.com/a/7akHC Problem statement: For a sheet ...
2
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2answers
4k views

Why does the yield strength of steel go up if I reduce the thickness of the specimen?

When I look at the yield of one material then you find more than one yield for different thickness. why the yield changes with changing the thickness. is there an equation to prove this ?
1
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1answer
267 views

Definitions of strength?

Can tensile strength be the same as yield strength? Can Flexural Yield Strength be related to the yield strength of a material in any way?
4
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1answer
2k views

Difference between 'plastic yielding' , 'plastic yield strength', plastic strength' and 'plastic stress'?

I am going through a literature where these terms are regularly used and I am confused are they different and if yes then what does each term mean? I also want to know relation of plastic strength of ...
2
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1answer
53 views

Low-tech ways of assessing relative strength of a material (yield point)

I want to compare strength of a metal before and after heat treatment, to assess to effectiveness of that treatment. (See my previous question, Aluminium softened by brazing. How to harden?). ...