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In a brittle material, the maximum internal crack length is 8 μm. If Young’s modulus is 400 GPa and surface energy is 3.14 J/m2, the estimated theoretical fracture strength (in MPa) is
  • a)
    375
  • b)
    412
  • c)
    327
  • d)
    447
Correct answer is option 'D'. Can you explain this answer?
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In a brittle material, the maximum internal crack length is 8 μm. I...
In a brittle material, the maximum internal crack length is 8 times the width of the material. This is because brittle materials are prone to cracking and fracturing, and the maximum crack length is limited by the width of the material. If the crack length exceeds this limit, it can lead to catastrophic failure of the material. Therefore, it is important to carefully consider the design and material properties when working with brittle materials.
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In a brittle material, the maximum internal crack length is 8 μm. If Young’s modulus is 400 GPa and surface energy is 3.14 J/m2, the estimated theoretical fracture strength (in MPa) isa)375b)412c)327d)447Correct answer is option 'D'. Can you explain this answer?
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