An aircraft component is fabricated from an aluminum alloy that has a plane strain fracture toughness of 37 MPa/m. It has been determined that fracture results at a stress of 215 MPa when the maximum (or critical) internal crack length is 2.10 mm. a) Determine the value of Yo/na for this same component and alloy at a stress level of 279 MPa when the maximum internal crack length is 1.05 mm. MPa m b) Under these circumstances will the component fail?

An aircraft component is fabricated from an aluminum alloy that has a plane strain fracture toughness of 37 MPa/m. It has been determined that fracture results at a stress of 215 MPa when the maximum (or critical) internal crack length is 2.10 mm. a) Determine the value of Yo/na for this same component and alloy at a stress level of 279 MPa when the maximum internal crack length is 1.05 mm. MPa m b) Under these circumstances will the component fail?

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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