A plate contains an internal flaw that extends through the plate thickness. The plate is to be loaded in tension with the direction of the tensile stress perpendicular to the directions of the flaw length and plate thickness. The plate is made of steel alloy 4340, temper heat treated at 425°C, and is 1-m wide and 100- mm thick. The flaw is 1.25-mm long with a radius of curvature of the flaw tip equal to 9.34x10-² mm. The Y parameter for the given plate and flaw geometry equals 1.03. Assume the modulus of elasticity of the steel is not affected by tempering. A. What is the maximum tensile stress that can be applied without causing the flaw to grow? B. For the applied tensile stress in Part A, what is the stress at the flaw tip?

A plate contains an internal flaw that extends through the plate thickness. The plate is to be loaded in tension with the direction of the tensile stress perpendicular to the directions of the flaw length and plate thickness. The plate is made of steel alloy 4340, temper heat treated at 425°C, and is 1-m wide and 100- mm thick. The flaw is 1.25-mm long with a radius of curvature of the flaw tip equal to 9.34x10-² mm. The Y parameter for the given plate and flaw geometry equals 1.03. Assume the modulus of elasticity of the steel is not affected by tempering. A. What is the maximum tensile stress that can be applied without causing the flaw to grow? B. For the applied tensile stress in Part A, what is the stress at the flaw tip?

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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