Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
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Chapter 7.10, Problem 8KCP
To determine
The difference between transganuler and intergranuler fracture.
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Check out a sample textbook solutionStudents have asked these similar questions
If a specimen percentage elongation is observed to
be 30%. The original length of the specimen is 10 cm.
Calculate the final length of the specimen at the
fracture.
a. 13 mm
b. 1.3 mm
c. 1300 mm
d. 130 mm
Necking" occurs in which type of fracture?
failure of a round specimen made of a ductile material in an axial tensile test.
failure of a round specimen made of a brittle material in an axial tensile test.
Describe how a ductile fracture comes about?
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...
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- Distinguish between simple and indirect shear stress?arrow_forwardDistinguish between the Normal and Shear Stress Components?arrow_forwardAccording to Griffith's theory for brittle fracture, the stress required to propagate a crack is: (This question has more than one correct answer) 0.5 a. Proportional to a' where 2a is the crack length b. More than the ideal fracture stress -0.5 c. Proportional to a d. Less than the ideal fracture stress e. Proportional to the surface energy y0.5 f. Proportional to the surface energy yarrow_forward
- What is the difference between central region and outer region of a ductile fracture surface and why?arrow_forwardDifferentiate transverse and longitudinal cracks. Interpret the graph of bending stress-strain curve for ductile and brittle material.arrow_forwardQ2:- The part of the vehicle is production from an magnesium alloy .if KIC 40 MPavm. The fracture occurred at a pressure of 195 MPa when the maximum edge crack length was 3.0 mm. Calculate the value Y. If a stress levelis increased to 275 MPa and the maximum edge crack length is reduced to 2.3 mm, predict whether any fracture will occur. Compare your answer with existing data. Justify your answer.arrow_forward
- In the tensile test experiment, one of the following is correct regarding the final fracture: Select one: O The fracture occurs in the middle of the specimen and is inclined with 45°. O The fracture occurs anywhere in the smallest cross sectional-area of the specimen and is perpendicular to the direction of the load applied. O Fracture occurs randomly and we can never predict the shape of it O The fracture occurs anywhere in the smallest cross sectional-area of the specimen and is inclined with 45°.arrow_forwardQUESTION 1 Select from the following statements, those which describe the process and conditions required for brittle fracture. (Note: Partial credit is not available for this question. Credit will only be awarded if all correct answers, and no incorrect answers, are selected). A. Occurs along defined crystallographic planes, thus leaving smooth fracture surfaces B. Occurs due to repeated loading and unloading below the yield strength of the material OC. Occurs in materials where the bonding strength is high relative to the yield strength D. The stress concentration at the crack tip exceeds the inter-atomic bonding energy ☐ E. Involves the nucleation, growth and coalescence of voids, thus resulting in rough fracture surfaces OF. Is a slow process whereby there is warning prior to failurearrow_forward4. The gauge of the Impact Testing Apparatus shows 52 divisions. Calculate the amount of energy adsorbed per unit surface prior to fracture. Remeber that 1 division corresponds to 2 Joules and the fracture surface is 8 mm x 10 mm, not 10 mm x 10 mm.arrow_forward
- QUESTION 8 A fixation plate (thickness 3 mm, width 40 mm) has a circular hole of radius 5 mm. The plate contains a crack of length a=16 mm. If the material has a fracture toughness of 90 MPa m^(1/2), calculate the maximum allowable tensile stress the plate can experience before it has uncontrollable crack growth. O 200.7 MPa O 315.4 MPa O 250.6 MPa O 20.07 MPaarrow_forwardWhat is Normal Stress?arrow_forward1. What is the difference between direct and shear stress? 2. What type of fracture has occurred for the specimen? 3. Why single shear strength is greater than double shear? 4. How we can measure shear modulus?arrow_forward
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