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Will fracture occur for a material exposed to a tensile stress of 900 MPa if the material has a plane strain fracture toughness value of 50 MPa /m and a Y value of 0.85? Why? Show all work clearly.

Will fracture occur for a material exposed to a tensile stress of 900 MPa if the material has a plane strain fracture toughness value of 50 MPa /m and a Y value of 0.85? Why? Show all work clearly.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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300 225 150 75 0.00 0.10 0.20 0.05 0.15 Strain 225 150 75 0.000 0.004 0.008 0.012 0.016 0.020 0.024 Strain Stress (MPa) Stress (MPa)
Transcribed Image Text:300 225 150 75 0.00 0.10 0.20 0.05 0.15 Strain 225 150 75 0.000 0.004 0.008 0.012 0.016 0.020 0.024 Strain Stress (MPa) Stress (MPa)
3. The largest surface crack length for a test sample is 1 mm. The largest internal crack length for this sample is 3 mm. Will fracture occur for a material exposed to a tensile stress of 900 MPa if the material has a plane strain fracture toughness value of 50 MPa Vm and a Y value of 0.85? Why? Show all work clearly.
Transcribed Image Text:3. The largest surface crack length for a test sample is 1 mm. The largest internal crack length for this sample is 3 mm. Will fracture occur for a material exposed to a tensile stress of 900 MPa if the material has a plane strain fracture toughness value of 50 MPa Vm and a Y value of 0.85? Why? Show all work clearly.
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