Question- In a two-dimensional stress system, the two principal stresses are 180 N/mm² (tensile) and other compressive. For the material, yield stress in simple tension and compression is 240 N/mm² and the Poisson's ratio is 0.25. According to maximum normal strain theory, the value of other compressive principal stress at which yielding will commence is..?

Question- In a two-dimensional stress system, the two principal stresses are 180 N/mm² (tensile) and other compressive. For the material, yield stress in simple tension and compression is 240 N/mm² and the Poisson's ratio is 0.25. According to maximum normal strain theory, the value of other compressive principal stress at which yielding will commence is..?

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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B Sa In a two dimensional stress system, the two principal stresses are a, of 1931 is 240 N/mm2 and Poisson's ratio is 0.25. According to maximum normal strain theory, the value of o, at 180 N/mm² (tensile) and o, (compressive). For the material, yield stress in simple tension and compression which yielding will commence is (a) 240 N/mm² (c) 195 N/mm² (b) 180 N/mm² (d) 200 N/mm²
At a point in a stressed material the stress components are: Ox= -30, Oyy = 75, 1 = 72, Tyz = 40, 0 = 110 T= 30, all are in MPa Calculate the normal, shear and resultant stresses on a plane whose normal makes an angle of 40° with the x axis and 60° with the y-axis.
Question A structural element is subjected to a two dimensional stress system, wherein ₁ =225 N/mm² 01 (tensile) with 02 being compressive. The yield stress in both simple tension (), and simple compression (o,), is 250 N/mm² and = 0.25. What is the value of 02, according to Maximum Strain Theory?
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Question: Principal stresses at a point are 80 N/mm2 and 40 N/mm² both tensile. The yield stress in simple tension for this material is 200 N/mm2 The values of factors of safety according to maximum principal stress theory and maximum shear stress theory, respectively, are
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