Lecture 25: Tensile test

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This lecture briefly discusses the mechanical properties of materials.
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At 15:55, where you draw two stress-strain diagrams, one for Al., one for steel, WHY DON'T YOU LABEL THE DIAGRAMS? There's just a heading on top, which says "Al vs steel", but doesn't help you identify which is which.

aerodynamico
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23:14 With a cursor the size of an ant's eyeball, how do you expect the viewer to see where your cursor is at on the screen?

aerodynamico
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Dear Mr Pancholi
As you told that in case of Al, yield point is obtained by drawing parallel to straight line at 0.2% offset. Is it not applicable for steel?

pankajkumarpandey
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Is toughness, the total area under the stress-strain curve or total area under only the plastic region of the curve?

prnk