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What is the magnitude of the having a radius of curvature o tensile stress of 140 MPa is ar 4.

What is the magnitude of the having a radius of curvature o tensile stress of 140 MPa is ar 4.

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
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What is the magnitude of the maximum stress that exists at the tip of an internal crack having a radius of curvature of 1.9 x 10" mm and a crack length of 3.8 x 10 mm when a tensile stress of 140 MPa is applied? 4. 5. A ceramic matrix composite contains internal flaws as large as 0.001 cm in length. The plane strain fracture toughness of the composite is 45 and the tensile strength is 550 MPa. Will the flaw cause the composite to fail before the tensile strength is reached? Assume that Y 1 A cylindrical rod 500 mm long, having a diameter of 12.7 mm, is to be subjected to a tensile load. If the rod is to experience neither plastic deformation nor an elongation of more than 1.3 mm. when the applied load is 29,000 N, which of the four met ls or alloys listed below are possible cardidates? Justify your choice(s). Materia! Modulus of Yield Tensiie Strength (MPa) Elasticity(GPa) Strength(MPa) Aluminium alloy 70 255 420 Brass alloy 100 345 420 Сopper 110 210
Transcribed Image Text:What is the magnitude of the maximum stress that exists at the tip of an internal crack having a radius of curvature of 1.9 x 10" mm and a crack length of 3.8 x 10 mm when a tensile stress of 140 MPa is applied? 4. 5. A ceramic matrix composite contains internal flaws as large as 0.001 cm in length. The plane strain fracture toughness of the composite is 45 and the tensile strength is 550 MPa. Will the flaw cause the composite to fail before the tensile strength is reached? Assume that Y 1 A cylindrical rod 500 mm long, having a diameter of 12.7 mm, is to be subjected to a tensile load. If the rod is to experience neither plastic deformation nor an elongation of more than 1.3 mm. when the applied load is 29,000 N, which of the four met ls or alloys listed below are possible cardidates? Justify your choice(s). Materia! Modulus of Yield Tensiie Strength (MPa) Elasticity(GPa) Strength(MPa) Aluminium alloy 70 255 420 Brass alloy 100 345 420 Сopper 110 210
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