Critical stress, stress field
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Question 3
Tensile tests of an elastic material show that it has a Young's modulus of... Please see attached past exam questions
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Please see attached file
(a) We know that, G =
Plugging in the numbers,
(b) Fracture Energy = 200 kJ/m2
For plane strain conditions,
This gives
(c) For specimens with a central crack in a plate of finite width:
...
Solution Summary
The critical stress and stress fields are examined. A young's modulus for elastic materials are given.
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