Figure 1 below shows (1) an unnotched bar and (2) a notched bar of the sameminimum cross-section. Both bars are machines from AISI 1050 normalized steel.For each bar, estimate (a) the value of static tensile load P causing a fracture and(b) the value of a fluctuating axial load from 0 to P that would be just on the vergeof producing eventual fatigue fracture (in about 1 to 5 million cycles). Reflect onthe effect of the notch.r = 2.5 mm35 mm30 mm30 mm30 mm30 mmr = 2.5 mm(1)(2)Figure 1

Answered: Image /qna-images/answer/d1fa2ed2-f1a0-4d00-b1a6-d26200adf1db.jpg

Answered: Figure 1 below shows (1) an unnotched…

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

See similar textbooks

Similar questions

A circular bar - shown below, made of AISI 1040 OQT 1300 steel (SU = 600 MPa), is loaded with an axial tensile loading P. Calculate the modified endurance strength (SE) and the modified fatigue strength (SF) for the bar if D = 36 mm, d = 30 mm, and r = 2.4 mm. Use the number of cycles to fracture to be 5 × 105. Assume that the surface finish factor, kf, is 0.85, the size factor, kS, is 0.85, and the notch sensitivity factor, qn, is 0.75. Use the following equations if needed,
i need the answer quickly
O The bars, shown in sketches (a) and (b), are made from cold-drawn, AISI 1050 QT at 425 °C medium carbon steel. For each of the bars determine The maximum static tensile load (P) causing fracture, • The maximum alternating (completely reversing) axial load ±P that would be just on the verge of producing eventual fatigue failure. When the load varies from 10 kN to 40 kN. Determine the safety factor for each bar using the Modified Goodman relationship. r= 2.5 mm 25 mm 25 mm 30 mm 25 mm 25 mm r D2.5 mm
Tensile and fully reversed loading fatigue tests were conducted for a certain steelalloy and revealed the tensile strength and endurance limit to be 1200 and 550 MPa,respectively. If a rod of this material supply were subjected to a static stress of 600MPa and fully-reversed oscillating stresses whose total range was 700 MPa. Assuming garber relationship will this rod fail by fatigue failure
2. A steel of rotating-beam test specimen has an ultimate strength of 1100Mpa. Estimate the fatigue strength of the specimen corresponding to a life of 150k cycles of stress reversal.
A steel rotating-beam test specimen has an ultimate strength, Sut, of 120 kpsi. Estimate the life of the specimen if it is tested at a completely reversed stress amplitude, Orev, of 74 kpsi. Take the value of the fatigue strength fraction, f, from Fig. 6-23. The life of the specimen is cycles.
Quick ans need in 1hr please
I need a clear answer by hand, not by keyboard and fast answer within 20 minutes. Thank you | dybala
Solve this problem in theory of failure A 60mm diameter bar has been machined from 1050 hot rolled steel at 600C. The bar will besubjected to a fluctuating tensile load varying from 100 to 500kN. Calculate the fatigue factor of safetyaccording to the Modified Goodman fatigue criterion, ASME elliptical, Soderberg and Gerber FatigueCriterion use Sut=620 MPa and Sy=570 Mpa. Indicate assumptions made.
a) A bar of normalized AISI 4130 is subjected to a steady torsional stress of 103 MPa, an alternating torsional stress of 69 MPa, and alternating bending stress of 83 MPa. It has an endurance limit of 276 MPa. Using Gerber and ASME-elliptic criteria, find the safety factors guarding against a fatigue failure and the expected life of the part. Analyse your results. b) A bar of 25 mm diameter cold-drawn SAE 1045 steel is loaded in rotating bending. Determine its endurance limit or strength.
Find: approximate yield strength (Sy) of 6061 T6 aluminum sheet LT at room temperature? approximate modulus of elasticity of 250 maraging steel?
Consider a solid bar with 1.00 in diameter subjected to a bending moment, M, and a twisting moment, T, with equal magnitudes, so that M = T. M a) If the bar is made of a brittle material that fails in uniaxial tension at 6000 psi, what is the minimum value of M and T that would cause brittle failure? Make a sketch of the bar and show the orientation of the fracture plane relative to the axial direction of the bar. b) If the bar is made of a ductile material with yield stress of 36000 psi, what is the minimum value of M and T that would cause yielding? Assume von-Mises theory. Hint: Start by determining the state of stress at a point on the top of the bar.

SEE MORE QUESTIONS

Recommended textbooks for you

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Elements Of Electromagnetics

Mechanical Engineering

ISBN:

9780190698614

Author:

Sadiku, Matthew N. O.

Publisher:

Oxford University Press

Mechanics of Materials (10th Edition)

Mechanical Engineering

ISBN:

9780134319650

Author:

Russell C. Hibbeler

Publisher:

PEARSON

Thermodynamics: An Engineering Approach

Mechanical Engineering

ISBN:

9781259822674

Author:

Yunus A. Cengel Dr., Michael A. Boles

Publisher:

McGraw-Hill Education

Control Systems Engineering

Mechanical Engineering

ISBN:

9781118170519

Author:

Norman S. Nise

Publisher:

WILEY

Mechanics of Materials (MindTap Course List)

Mechanical Engineering

ISBN:

9781337093347

Author:

Barry J. Goodno, James M. Gere

Publisher:

Cengage Learning

Engineering Mechanics: Statics

Mechanical Engineering

ISBN:

9781118807330

Author:

James L. Meriam, L. G. Kraige, J. N. Bolton

Publisher:

WILEY

SEE MORE TEXTBOOKS