GATE MT · 2017 · MT
Question 16: Fracture behaviour, Griffith theory, linear elastic fracture mechanics, fracture toughness, fractography, ductile to brittle transition.
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Question 16
MTNAT1 markNeeds review
A brittle material (Young’s modulus = 60 GPa and surface energy = 0.5 J.m⁻²) has a surface crack of length 2 μm. The fracture strength (in MPa) of this material is __________ (answer up to two decimal places)
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2017MT
GATE MT 2017 · Paper 1
Metallurgical Engineering · Original paper archive
- Section
- Metallurgical Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 1 mark
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Fracture behaviour, Griffith theory, linear elastic fracture mechanics, fracture toughness, fractography, ductile to brittle transition.
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