Question

6 a)

The most important parameter that is an indication of a material's resistance to deflection (eg. in beams) arising from mechanical loads is O Tensile strength O %elongation O impact toughness O ductility Yield strength o Kic Endurance limit OE

b)

c)

Answer 1

Solution

Part a

Percent elongation and yield strength

Part b

Endurance limit is usually 40% to 60 % of yield strength

So endurance limit is 400 mpa

Part c

Elastic yielding

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