Please answer all 3 parts of the quesiton 5. A part is subjected only to bending loads and is fabricated from cast iron (brittle) with:= 345 MPa, SSUTa)=10°310.5 MPa, S.=121 MPa10°Sketch the appropriate material fatigue failure diagram for loading in which the mean stressis not zero (o #0). Be sure to include numerical values, units, and label axes.mb) If the loading is such that o is always 65 MPa, find oeacycles is 2.c) If the loading is such that oSea/σemsuch that the safety factor for 10°em= 1.5, Find o and σ such that the safety factor foreaem10 cycles is 2. Assume the loading increases proportionally.

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Answered: 5. A part is subjected only to bending…

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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In the state of loading as made of brittle material tensile and compression fracture values of the exposed arm, respectively. σUT=200 MPa and σUC=800 MPa and factor of safety n=4 as it is; a) First reduce the applied forces to point B, b) By determining the critical point of the critical section and stresses Calculate it and show it on the stress element. c) Calculate the diameter of the AB part according to the Coulomb criterion. Note: Neglect the effect of cutting forces.
The stresses on the surface of a hard bronze component are shown in the figure below. The yield strength of the bronze is σY = 345 MPa.a) What is the factor of safety predicted by the maximum-shear-stress theory of failure for the stress state shown? Does the component fail according to this theory?b) What is the value of the Mises equivalent stress for the given state of plane stress?c) What is the factor of safety predicted by the failure criterion of the maximum-distortion energy theory of failure? Does the component fail according to this theory?
Example: Convert the change in length data in Table 3-2 to engineering stress and strain and plot a stress-strain curve Homework- help Table 3-2 The results of a tensile test of a 0.505 in. diameter aluminum alloy test bar, initial length (1o) = 2 in. Calculated LTO Load (Ib) Change in Length (in.) Stress (psi) Strain (in./in.) 0.000 1000 0.001 0.0005 4,993 14,978 24,963 34,948 37,445 39,442 39,941 39,691 37,944 3000 0.003 0.0015 5000 0.005 0.0025 7000 0.007 0.0035 7500 0.030 0.0150 7900 0.080 0.0400 8000 (maximum load) 0.120 0.0600 7950 0.160 0.0800 7600 (fracture) 0.205 0.1025
1. A 0.015 meter diameter bar of steel is stress tested and the following stress-strain curve is produced Stress (psix 10 60 50 8 20 10 1 MPa 300 100 psi (x 10%) 50 200-30 OL 40- 20- 10 0.05 0.005 1 L 0.010 0.10 Strain a. What is the ultimate tensile strength (MPa)? d. What is the yield strength(MPa)? 0.15 c. What is the percent plastic elongation at the time of fracture? e. What is the Modulus of Elasticity (GPa)? 400 300 200 Stress (MPa) b. What is the greatest load that can be place on this bar before failure(N)? 100 10 0.20
The fluctuating stresses listed in the table are found at a critical location of a component made of steel with Se = 40 ksi, Sy = 80 ksi, Sut = 110 ksi and f= 0.87. These stresses are applied on the part within 10 s. What is the accumulative damage of this part? What is the life of the part in hours if this stress pattern continues to repeat for the remained of the part's life? Use Goodman criterion and Miner's rule in your solution. Loading order |Omin o max |Number of cycles -20 30 -10 50 1 3. -30 30 1
Please answer all 3 parts of the wuestion
I need the answer as soon as possible
a) Refer to the figure below. Even though the cyclic loading accidentally caused the stresses to exceed the levels at point A slightly (as marked by the red arrow), the machine part may not break instantly according to the Modified Goodman fatigue failure criterion. True or False - Yield (Langer) line Gerber line - Load line, slope r = S„ISm Modified Goodman line S. I JA ASME-elliptic line Soderberg line ! Sm S, Midrange stress om b) good fatigue design should keep the fatigue design factor of safety at a minimum value of (_ Alternating stress o
Only answer the graph portion, the image of the bolt is invade the area or length is relevant
a)Draw the stress-strain curve of a ductile material such as that of a ductile steel and discuss the various regions of the curve. Explain the difference between a ductile and brittle material and the concept of ductility and its measurement. b)A machine part 10 mm thick, having the dimensions shown in the figure, is to be subjected to cyclic loading. If the maximum stress is limited to 60 MPa, determine the allowable force P. Approximate the stress concentration factors form the graph given. Where might a potential fracture occur?
Question 1: Taking the safety factor as 2 for the loading condition shown in the figure, we can calculate the maximum axial force (P) that can be applied. d=100mma) On the theory of maximum normal stressb) Maximum shear stress theoryc) Calculate according to the maximum strain energy theory.The structure is made of steel and the proportional limit is 250 MN / m2 in pressing and drawing, and 140 MN / m2 in shear. The elasticity module of the material is 200 GPa and the Poisson's ratio is 0.3. d=100mm

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