MECH ENGINEERING DESIGN(LL)+ACCESS
10th Edition
ISBN: 9781260113952
Author: BUDYNAS
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 2, Problem 26P
Consider a rod transmitting a tensile force. The following materials are being considered: tungsten carbide, zinc alloy, polycarbonate polymer, and aluminum alloy. Using the Ashby charts, recommend the best material for a design situation in which failure is by exceeding the strength of the material, and it is desired to minimize the weight.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Draw a neat diagram of the relationship between fatigue stress and the number of loading cycles and show on it the shape of the curve for a material without an endurance limit.
Select the preferred diameter for an ASTM A227 cold-drawn wire that will have an ultimate tensile strength as close to, but not less than, 176 kpsi.
List 3 of the design methods that can be applied to avoid the occurrence of fatigue
Chapter 2 Solutions
MECH ENGINEERING DESIGN(LL)+ACCESS
Ch. 2 - Determine the tensile and yield strengths for the...Ch. 2 - Assume you were specifying an AISI 1060 steel for...Ch. 2 - Determine the yield strength-to-density ratios...Ch. 2 - Determine the stiffness-to-weight density ratios...Ch. 2 - Poissons ratio v is a material property and is the...Ch. 2 - A part made from annealed AISI 1018 steel...Ch. 2 - Prob. 10PCh. 2 - Repeat Prob. 2-9 for a part made from 2024-T4...Ch. 2 - A steel member has a Brinell of HB = 215. Estimate...Ch. 2 - A gray cast iron part has a Brinell hardness...
Ch. 2 - Prob. 14PCh. 2 - Brinell hardness tests were made on a random...Ch. 2 - Prob. 16PCh. 2 - Prob. 18PCh. 2 - Repeat Prob. 2-18 for the commonly used alloy...Ch. 2 - 2-21 to 2-23 A 1-in-diameter rod. 3 ft long, of...Ch. 2 - Prob. 22PCh. 2 - Prob. 23PCh. 2 - Consider a rod transmitting a tensile force. The...Ch. 2 - Repeat Prob. 2-26, except that the design...Ch. 2 - Prob. 28PCh. 2 - Prob. 29PCh. 2 - Prob. 30PCh. 2 - For an axially loaded rod. prove that = 1 for the...Ch. 2 - Prob. 32PCh. 2 - Prob. 33PCh. 2 - Prob. 34P
Knowledge Booster
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.Similar questions
- a) A bicycle frame is being designed to carry a pedal force of 800N. Assuming axial loading only, which material will produce the lightest frame out of the two in the table below? Assume a design factor of 1.2 b) If the bicycle frame is being welded together and an internal flaw size of 30mm results, which material will produce the lighter section? (Apply a design factor of 1.2 If the bicycle frame needs to last a minimum 3 x 105 cycles, with an average stress of 150MPa and an alternating stress of 200MPa, use the Soderberg criterion to pick a suitable material from the two alloys listed above. Show all your working.arrow_forwardA cylindrical metal rod of 20mm diameter and 1m length is subjected to a tensile load of 60KN. To what length the cylinder should be centrally bored on one side to reduce weight by material removal, so that the total extension will increase by 10 percent under the same pull. The diameter of the hole being bored on one side is equal to 10mm. Take E= 200GPa.arrow_forwardAn aluminum rod is to withstand an applied force of 45,000 pounds. To assure sufficient safety, the maximum allowable stress on the rod is limited to 25,000 psi. The rod must be at least 150 in. long but must deform elastically no more than 0.25 in. when the force is applied. Design an appropriate rod.arrow_forward
- A metal wire of diameter 1.2 mm is used to carry a load of 1100 N. If the material of which the wire is made has a yield point of 950 MPa ultimate tensile strength of 1425 MPa then is this wire suitable for carrying that load? If yes, then support your answer with calculations and explain your results. If the answer is no, then explain why with calculations and calculate the required diameter of that wire to carry that load.arrow_forwardA cylindrical rod 500 mm long, having a diameter of 12.7 mm, is subjected to a tensile load of 30,000 N. The rod is to experience an elongation not more than 1.3 mm and FOS ≥ 1.5 setting yield strength as a criteria. Additional constraints to be met are max specific stiffness and %EL not more than 0.15. Which of the below listed materials are possible candidates? Justify your choice(s) by making a table of constraints.arrow_forwardDescribe the behavior of tested materials (mild steel and aluminium) as it responds to increasing load, in tensile test experiment.arrow_forward
- Due to an applied static loading, the principal stresses at a point of a machine component are σ1 = -150 MPa and σ2 = 60 MPa. If the design of the component is to be done using a LESS conservative failure theory, then yielding will just begin if the designer chooses a ductile material with the yield strength, Sy=___. If the factor of safety needs to be at least 4 by using a MORE conservative theory, what is the minimum yield strength needed for the material?arrow_forwardUnder an applied axial load, a rod elongates by 0.49 in. If the rod is 11 ft long, and has a 2.0 in. diameter. If the transverse deformation of the rod is 0.0024 in., calculate the material's Poisson's ratio: _____ . Pay calculate your answer to 3 significant figures.arrow_forwardExample 4 A bar of circular cross - section is subjected to alternating tensile forces varying from a minimum of 200 kN to a maximum of 500 kN. It is to be manufactured of a material with an ultimate tensile strength of 900 MPa and an endurance limit of 700 MPa. Determine the diameter of bar using safety factors of 3.5 related to ultimate tensile strength and 4 related to endurance limit and a stress concentration factor of 1.65 for fatigue load. Use Goodman straight line as basis for design.arrow_forward
- What are motion screws? Where are motion screws used? Static of motion screws Explain how strength calculations are made under stresses.arrow_forwardTo manufacture a piston with a circular cross section, an alloy steel bar is required whose length is fixed and has a value of 35 cm and must withstand a compression load of 5.2 tons. For its design, a safety factor of 4/5 is suggested with respect to the yield stress. The shear modulus for that alloy is 80 GPa. 1) Define the Poisson's ratio and calculate its valuearrow_forward1)On a stress strain curve for structural steel, show various points like proportional limit, elastic limit, ultimate strength and rupture point. Give a brief description of these points. 2)How to determine the yield point for materials that do not exhibit a well defined yield point? Name some of such materials. 3)What is allowable load/stress. Give two different equations that determine the allowable load/stressarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University Press
Mechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSON
Thermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEY
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Engineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
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
Understanding Failure Theories (Tresca, von Mises etc...); Author: The Efficient Engineer;https://www.youtube.com/watch?v=xkbQnBAOFEg;License: Standard youtube license