I have tried Stress; Load; Area relation, but is it possible that the theoretical and practical results are same ?
Dear Vishwakarma
The theoretical and the practical results are the same under the constrained assumption of continuum mechanics:
1-Solid metals/alloys have homogenous structure, i.e, there is no point defects like interstitials, substitution atoms, & line dislocations such as screw or edge dislocations, planar dislocations like stacking faults and so on.
2- The physical properties of the solid metals/alloys should be in a steady state condition, do not change as a function of aging, time.
3-The solid metals/alloys should be compliance with the constitutional laws of mass/energy conservative laws.
So, to answer your question with taking into the consideration the above constrained assumptions , you need 18 times of the 35Kg to meet the maximum load required for cross section of 36mm2.
There is such thing as the size effect. While simple recalculation can give you a ballpark estimate, real life is a bit different. As a rule, bigger things fail at lower stresses. You may want to take a look at Wikipedia:
https://en.wikipedia.org/wiki/Size_effect_on_structural_strength
I do agree with Vladimir.
The bigger the sample the lower stresses is required to fail. This is as a matter of fact because of the bigger the sample the less the sample is compliance with the above mentioned constrained assumptions.
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