Q15- A material with a yield stress of 70 MPa is subjected to three principal (normal) stresses of o1, 02 = 0, and o3= -01/2. What is the value of ol when the metal yields according to the von Mises criterion? What if o2 =0/3? Ans ol=52.9 , 60.0 Q16-A tensile test uses a test specimen that has a gage length of 50 mm and an area = 200 mm2. During the test the specimen yields under a load of 98,000 N. The corresponding gage length 50.23 mm.This is the 0.2 percent yield point. The maximum load = 168,000 N is reached at a gage length 64.2 mm. Determine: (a) yield strength Y, (b) modulus of elasticity E, and (c) tensile strength TS. Ans 490 , 840

Q15- A material with a yield stress of 70 MPa is subjected to three principal (normal) stresses of o1, 02 = 0, and o3= -01/2. What is the value of ol when the metal yields according to the von Mises criterion? What if o2 =0/3? Ans ol=52.9 , 60.0 Q16-A tensile test uses a test specimen that has a gage length of 50 mm and an area = 200 mm2. During the test the specimen yields under a load of 98,000 N. The corresponding gage length 50.23 mm.This is the 0.2 percent yield point. The maximum load = 168,000 N is reached at a gage length 64.2 mm. Determine: (a) yield strength Y, (b) modulus of elasticity E, and (c) tensile strength TS. Ans 490 , 840

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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