2. An axially loaded flat bar shown in Fig. 2 below is made of steel with a proportional limit of 57000 psi. Its is 0.4 inches, its width is 3 inches, the groove radius is 0.5 inches, and the diameter of the hole is 0.3 inches. (a) Using the appropriate graphs in Fig 4, determine the stress concentration factors, K, at (i) the grooves; and (ii) the hole. (b) Determine the two values of the average stress (or) in terms of the axial load P (i) between the two grooves; and (ii) outside the hole area. (c) From your calculated K and the net area, A, determine the two values of the maximum stress in terms of the axial load P (i) at the groove; and (ii) at the hole. (d) From your answers in (c), and considering proportional limit of the bar determine the numerical values of P (i) in the vicinity of the grooves; and (ii) in the vicinity of the hole. (e) From your answers in (d) what is the maximum allowable axial load, Pan, the flat bar can carry with a factor of safety of 2.5. (Hints: 1. Net area is required for Oew 2. Note Pall is not the same as ɑul).

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
icon
Related questions
Question
2. An axially loaded flat bar shown in Fig. 2 below is made of steel with a proportional limit of 57000 psi. Its thickness
is 0.4 inches, its width is 3 inches, the groove radius is 0.5 inches, and the diameter of the hole is 0.3 inches.
(a) Using the appropriate graphs in Fig 4, determine the stress concentration factors, K, at (i) the grooves; and (ii) the
hole.
(b) Determine the two values of the average stress (ơr) in terms of the axial load P (i) between the two grooves; and
(ii) outside the hole area.
(c) From your calculated K and the net area, A, determine the two values of the maximum stress in terms of the axial
load P (i) at the groove; and (ii) at the hole.
(d) From your answers in (c), and considering proportional limit of the bar determine the numerical values of P (i) in the
vicinity of the grooves; and (ii) in the vicinity of the hole.
(e) From your answers in (d) what is the maximum allowable axial load, Pll, the flat bar can carry with a factor of safety
of 2.5. (Hints: 1. Net area is required for Oaw 2. Note Pall is not the same as ɑau).
Fig. 2
Transcribed Image Text:2. An axially loaded flat bar shown in Fig. 2 below is made of steel with a proportional limit of 57000 psi. Its thickness is 0.4 inches, its width is 3 inches, the groove radius is 0.5 inches, and the diameter of the hole is 0.3 inches. (a) Using the appropriate graphs in Fig 4, determine the stress concentration factors, K, at (i) the grooves; and (ii) the hole. (b) Determine the two values of the average stress (ơr) in terms of the axial load P (i) between the two grooves; and (ii) outside the hole area. (c) From your calculated K and the net area, A, determine the two values of the maximum stress in terms of the axial load P (i) at the groove; and (ii) at the hole. (d) From your answers in (c), and considering proportional limit of the bar determine the numerical values of P (i) in the vicinity of the grooves; and (ii) in the vicinity of the hole. (e) From your answers in (d) what is the maximum allowable axial load, Pll, the flat bar can carry with a factor of safety of 2.5. (Hints: 1. Net area is required for Oaw 2. Note Pall is not the same as ɑau). Fig. 2
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 2 images

Blurred answer
Knowledge Booster
Types of Properties of Engineering Materials
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Elements Of Electromagnetics
Elements Of Electromagnetics
Mechanical Engineering
ISBN:
9780190698614
Author:
Sadiku, Matthew N. O.
Publisher:
Oxford University Press
Mechanics of Materials (10th Edition)
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:
9780134319650
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Thermodynamics: An Engineering Approach
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:
9781259822674
Author:
Yunus A. Cengel Dr., Michael A. Boles
Publisher:
McGraw-Hill Education
Control Systems Engineering
Control Systems Engineering
Mechanical Engineering
ISBN:
9781118170519
Author:
Norman S. Nise
Publisher:
WILEY
Mechanics of Materials (MindTap Course List)
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:
9781337093347
Author:
Barry J. Goodno, James M. Gere
Publisher:
Cengage Learning
Engineering Mechanics: Statics
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:
9781118807330
Author:
James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:
WILEY