Q2) The state of plane stress at a point can be described by a known tensile stress -70 MPa, an unknown tensile stress o, and an unknown shear stress T, as indicated in Figure (2). At this point the maximum in - plane shear stress is 78 MPa, and one of the two in - plane principal stresses is 22 MPa (tension). Determine the values of the two unknown stresses, labeled o and T on the Figure, and determine the second in – plane principal stress. The stresses act in the directions shown on Figure (2), chat is, o-o and T-T.

Q2) The state of plane stress at a point can be described by a known tensile stress -70 MPa, an unknown tensile stress o, and an unknown shear stress T, as indicated in Figure (2). At this point the maximum in - plane shear stress is 78 MPa, and one of the two in - plane principal stresses is 22 MPa (tension). Determine the values of the two unknown stresses, labeled o and T on the Figure, and determine the second in – plane principal stress. The stresses act in the directions shown on Figure (2), chat is, o-o and T-T.

Materials Science And Engineering Properties

1st Edition

ISBN:9781111988609

Author:Charles Gilmore

Publisher:Charles Gilmore

Chapter9: Time, Temperature, And Mechanical Properties

Section: Chapter Questions

Problem 9.3P

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