Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 7.10, Problem 48SEP
To determine
The comparison between result obtained by assuming center crack geometry and edge crack geometry.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Draw an illustration showing the five stages of ductile tensile fracture, then briefly explain the phenomenon happening on different stages
3. How can you understand if a fracture is brittle or ductile? Briefly explain which experimental
techniques can be used and how the results can be interpreted.
An infinitely large sheet is subjected to a gross stress of 350 MPa. There is a central crack 5/π cm long and the material has a yield strength of 500 MPa. a. Calculate the stress-intensity factor at the tip of the crack. b. Calculate the plastic-zone size at the crack tip. c. Comment upon the validity of this plastic-zone correction factor for the above case.
Chapter 7 Solutions
Foundations of Materials Science and Engineering
Ch. 7.10 - What are the characteristics of the surface of a...Ch. 7.10 - Prob. 2KCPCh. 7.10 - Prob. 3KCPCh. 7.10 - Prob. 4KCPCh. 7.10 - Prob. 5KCPCh. 7.10 - Prob. 6KCPCh. 7.10 - Prob. 7KCPCh. 7.10 - Prob. 8KCPCh. 7.10 - Prob. 9KCPCh. 7.10 - How does the carbon content of a plain-carbon...
Ch. 7.10 - Describe a metal fatigue failure.Ch. 7.10 - What two distinct types of surface areas are...Ch. 7.10 - Prob. 13KCPCh. 7.10 - Prob. 14KCPCh. 7.10 - Prob. 15KCPCh. 7.10 - Describe the four basic structural changes that...Ch. 7.10 - Describe the four major factors that affect the...Ch. 7.10 - Prob. 18KCPCh. 7.10 - Prob. 19KCPCh. 7.10 - Prob. 20KCPCh. 7.10 - Prob. 21KCPCh. 7.10 - Determine the critical crack length for a through...Ch. 7.10 - Determine the critical crack length for a through...Ch. 7.10 - The critical stress intensity (KIC) for a material...Ch. 7.10 - What is the largest size (in mm) of internal...Ch. 7.10 - A Ti-6Al-4V alloy plate contains an internal...Ch. 7.10 - Using the equation KIC=fa, plot the fracture...Ch. 7.10 - (a) Determine the critical crack length (mm) for a...Ch. 7.10 - A fatigue test is made with a maximum stress of 25...Ch. 7.10 - A fatigue test is made with a mean stress of...Ch. 7.10 - A large, flat plate is subjected to...Ch. 7.10 - Prob. 32AAPCh. 7.10 - Refer to Problem 7.31: Compute the final critical...Ch. 7.10 - Prob. 34AAPCh. 7.10 - Prob. 35AAPCh. 7.10 - Equiaxed MAR-M 247 alloy (Fig. 7.31) is used to...Ch. 7.10 - Prob. 37AAPCh. 7.10 - If DS CM 247 LC alloy (middle graph of Fig. 7.31)...Ch. 7.10 - Prob. 39AAPCh. 7.10 - Prob. 40AAPCh. 7.10 - Prob. 41SEPCh. 7.10 - Prob. 42SEPCh. 7.10 - A Charpy V-notch specimen is tested by the...Ch. 7.10 - Prob. 44SEPCh. 7.10 - Prob. 45SEPCh. 7.10 - Prob. 46SEPCh. 7.10 - Prob. 47SEPCh. 7.10 - Prob. 48SEPCh. 7.10 - Prob. 49SEPCh. 7.10 - Prob. 50SEPCh. 7.10 - While driving your car, a small pebble hits your...Ch. 7.10 - Prob. 52SEPCh. 7.10 - Prob. 53SEPCh. 7.10 - Prob. 54SEPCh. 7.10 - Prob. 56SEPCh. 7.10 - Prob. 57SEPCh. 7.10 - Prob. 58SEPCh. 7.10 - Prob. 59SEPCh. 7.10 - The components in Figure P7.60 are high-strength...
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
- An infinite steel plate, 30 mm thick, is subjected to a tensile stress. It contains a through thickness crack perpendicular to the stress direction. (a) Calculate the fracture stress (σc) for a crack length (2a) of 50 mm, assuming plane strain conditions. (b) If conditions were plane stress instead, what would be the failure condition, and at what expected stress level? (c) What microstructure would you expect such a steel to possess?arrow_forwardIn the Table below Data for Mar M 247-a Nickel base superalloy is shown. (1) Plot the steady state strain rate and time to rupture to predict a relationship between the two variables. Provide an equation for the relationship that you see. (2) Give an explanation as to why the fracture elongation is going up with stress.arrow_forwardThe fracture strength of glass may be increased by etching away a thin surface layer. It is believed that the etching may alter the surface crack geometry (i.e. reduce crack length and increase tip radius). Calculate the ratio of the etched and original crack tip radii if the fracture strength is increased by a factor of 8 when 48% of the crack length is removed.arrow_forward
- Derive an expression for estimating ΔJ for a center crack panel subjected to a cyclic stress range?arrow_forwardFor the curve shown below, calculate the energy required to destroy the specimen. Use any method but your solution must include one integration step at least.arrow_forwardThe material has a fracture toughness of 25,4 MNM2, a yield strength of 453 MPa and is subjected to a stress of 114 MPa. Calculate the total effective length of the crack. You may assume that the crack is small in relation to the component slze, that Poisson's ratio is 0.32, and that the plastic zone is consistent between all crack configurations.arrow_forward
- A metal with an internal crack is loaded with a tensile stress of 20 MPa. If the crack length and the radius of curvature are 3.6 x 10-2 mm and 1.8 x 10-4 mm, compute its maximum stress. Given that the modulus of elasticity of the metal is 100 GPa and the specific surface energy is 3.5 J/m², compute its critical stress.arrow_forwardSuppose that a wing component on an air- craft is fabricated from an aluminum alloy that has a plane strain fracture toughness of 40 MPaVm (36.4 ksi Vin.). It has been deter- mined that fracture results at a stress of 365 MPa (53,000 psi) when the maximum internal crack length is 2.5 mm (0.10 in.), For this same component and alloy, compute the stress level at which fracture will occur for a critical in- ternal crack length of 4.0 mm (0.16 in.).arrow_forwardA mechanical component is fabricated from a metallic alloy. From the experiment, it is obtained that the fracture of this material occured at a stress of 36 ksi when the maximum internal crack length is 0.10 in. The plain strain fracture toughness of this material is 30 ksi sqrt(in) for this same component and alloy, investigate whether fracture will occur at stress level of 55 ksi when the internal crack length is 0.06 in.arrow_forward
- A circular specimen of MgO is loaded using a three-point bending mode. Compute the minimum possible radius of the specimen without fracture, given that the applied load is 1000 N (225 lbf), the flexural strength is 105 MPa (15,000 psi), and the separation between load points is 50.0 mm (1.97 in.). i mmarrow_forwardA large plate is fabricated from a steel alloy that has a plane strain fracture toughness of 55 MPa√m. If during service use, the plate is exposed to a tensile stress of 200 MPa, compute the minimum length of a surface crack that will lead to a fracture. Assume the value of 1.0 for Y.arrow_forwardSketch Figure 1.3, curve b (a ductile metal). Label it with the following terms, indicating from which location on the curve each quantity can be identified or extracted: elastic region, plastic region, proportional limit, tensile strength, onset of necking, fracture stress.arrow_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 PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering 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
composite-materials; Author: Tonya Coffey;https://www.youtube.com/watch?v=Vu6ik-bcKf4;License: Standard youtube license