The stress for low alloys steel at which plastic deformationbegins Is 475 MPa, and the modulus or elastlcity ls 315 PA What is the maximum load that may be applied to a specimenwith a eras sectional area of 300 mm2 without plastic deformed If the original specimen length is 120 mm what is the maximumlength to with may be stretched without causing plastic deformation?

The stress for low alloys steel at which plastic deformationbegins Is 475 MPa, and the modulus or elastlcity ls 315 PA What is the maximum load that may be applied to a specimenwith a eras sectional area of 300 mm2 without plastic deformed If the original specimen length is 120 mm what is the maximumlength to with may be stretched without causing plastic deformation?

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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A material has a linear elastic perfectly plastic stress-strain. A cylindrical specimen of that material having an initial length of 35 mm and a tadius of 7 mm is pulled until it elongates 0.8mm. a. Calculate the stain and the corresponding stress at that elongation value. b. Afterward, the specimen is released to zero stress level, how does the final length of the specimen compare with its original length? How much plastic deformation remains if it exists?
Solve it pls.
Suppose that the material in Q4 is fabricated in 25 mm (1 in) thick plate, estimate the largest valid K1c that can be measured on such a specimen.
A steel specimen 12mm diameter has gauge length 50mm. the steel specimen had tested via tensile test under maximum load 66KN with elongation 7.5mm, and the yield load of this specimen is 15KN with elongation 2.4mm. Calculate: 1- The engineering ultimate stress (ultimate tensile strength), and engineering strain at this point. 2- The engineering stress and strain at yield point. 3- The modulus of elasticity, and the modulus of resilience. 4- The final or fracture strain of a steel specimen, if you know that the final length of specimen after testing is 58.5mm. 5- The true stress and strain for ultimate point.
A steel specimen 12mm diameter has gauge length 50mm. the steel specimen had tested via tensile test under maximum load 66KN with elongation 7.5mm, and the yield load of this specimen is 15KN with elongation 2.4mm. Calculate: 1- The engineering ultimate stress (ultimate tensile strength), and engineering strain at this point. 2- The engineering stress and strain at yield point. 3- The modulus of elasticity, and the modulus of resilience. 4- The final or fracture strain of a steel specimen, if you know that the final length of specimen after testing is 58.5mm. 5- The true stress and strain for ultimate point. any four point sir
%VY lI. photo_202... -> 200 stress (MPa) 150 100 50 0.1 0.2 strain From the tensile stress -strain behavior for the brass specimen ,0 the diameter is 12-8 mm Calculat e the followWing:- |- The Yield stress, 2-Modulus of elasticity. 3- The Tensile strength .
Engineering and true strain
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specimen of stainless steel having a diameter of 12.8mm and gauge lengh of A cylindrical the following: (6) Extend the table to include engincering strain and engineering stress and plot the Engineering stress-strain curve Determine the yield stress at 0.002 strain offset (i1) (in) Determine the Modulus of Elasticity What is the tensile strength of the Alloy? What is the ductility in percent elongation: What is the Modulus of Resilience? (iv) (v) (vi) ble 1. Load-Extension Test Data of Stainless Stee! LOAD (N) LENGTH(mm) 50.800 50.825 12700 25400 38100 50800 76200 89100 92700 102500 107800 119400 128300 50.851 50.876 0001 50.902 50.952 51.003 CCOn 12-8 51.054 51.181 51.308 51.562 51.816 149700- 52.832 159500- 53.848 160400 54.365 159500- 151500 124700 14. 54.864 55.880 56.642 1 000 05 Pcu/coer 0.00
Example: - In a tensile test of a cylindrical specimen with an initial diameter of 12 mm, the loads at 15 and 25% engineering strain are recorded to be 3 and 3.3 kN, respectively. If the flow curve of the above specimen is represented by the Hollomon parabolic stress-strain relation, neglect elastic strain and calculate the following (a) % Uniform elongation, (b) UTS. (c) 0.2% Offset yield strength. (d) ) % Uniform reduction of area and (ii) % uniform true reduction of area. (e) True toughness in the plastic range up to the point of tensile instability.
A three-point bending test was performed on an aluminum oxide specimen having a circular cross section of radius = 5 mm, the specimen fractured at a load of 1400 N when the distance between the support points L = 100 mm. Another test is to be performed on a specimen of this same material, but one that has a square cross section of 12 mm on each edge. At what load would you expect this specimen to fracture if L = 50 mm? i need clear ans by hand and solve very very fast in 20 min and thank you DYBALARI |
During stress-strain test, the unit deformation at a stress of 35 MPa was observed to be 167 x 10^-6 m/m and at a stress of 140 MPa it was 667 x 10^-6. If the proportional limit was 200 MPa, what is the modulus of Elasticity (GPa)? What is the strain corresponding to a stress of 80 MPa?