Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
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Chapter 7.10, Problem 54SEP
To determine
The suitable processes for manufacturing the connecting rod.
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a visual inspection check and at least one test safely on components that have failed in service.
Figure 1
The 220mm-long bolt was used to fasten one of the engine mount to a supporting structure. In an effort to prevent the bolt from coming loose, the torque-prevailing nut and split pin were utilized to tighten the bolt.
The bolt held through an aluminum housing. Due to the reduced stiffness of the fastened parts, the bolt supported a greater proportion of the applied force.
The bolt's size necessitated a high tightening torque of 660 Nm (487 Lbft). Since this level of torque could not be achieved with the tools at the time, this torque was not specified.
The aluminum's maximum bearing pressure was far exceeded by the bearing stress under the nut's head and face. As a result, there was excessive preload loss due to creep.
fan shaft
First of all, the fan shaft was required to be made of cold-drawn 1040 or 1045 steel with a yield strength of 586 MPa and the expected life is 6440km.…
An electric car manufacturer is looking to utilize some stock AISI 8740, hot rolled
steel bars that are around 2 inches in diameter for their conveyor system that is
being set up to start producing their own batteries. The data sheet shows the the
bars to have 132,000 psi tensile strength, 87,500 psi yield strength, and 16.7%
elongation. A hardness of 262 Bhn allows it to be finish machined after heat
treatment. They keep their workspace at 70°F.
What is the working endurance strength, Se?
39,750 psi
28,562 psi
42,500 psi
33,400 psi
What mechanical properties does a copper wire that has been cold drawn from an annealed copper rod acquire from a diameter of 1.27 mm (0.050 inches) to a diameter of 0.813 mm (0.032 inches)?
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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- Subcritical annealing can be done at lower temperature than full annealing. Select one: O True O Falsearrow_forwardPure aluminum resist corrosion better than aluminum alloy's. Therefore when corrosion is a design problem, pure aluminum is clad to the surfaces of the aluminum alloy. The cladding layers and core or bonded or welded together by heat and pressure of a rolling operation. True or false.arrow_forward3. The starting length of a shaft is 25.00 mm. This shaft is to be inserted into a hole in an expansion fit assembly operation. To be readily inserted, the shaft must be reduced in length by cooling. Determine the temperature to which the shaft must be reduced from room temperature (20° C) in order to reduce its length to 24.98 mm. Refer to the Table below.arrow_forward
- Analyse, using the results, how each component failed and justify how each component’s design could be improved. Figure 1 The 220mm-long bolt was used to fasten one of the engine mount to a supporting structure. In an effort to prevent the bolt from coming loose, the torque-prevailing nut and split pin were utilized to tighten the bolt. The bolt held through an aluminum housing. Due to the reduced stiffness of the fastened parts, the bolt supported a greater proportion of the applied force. The bolt's size necessitated a high tightening torque of 660 Nm (487 Lbft). Since this level of torque could not be achieved with the tools at the time, this torque was not specified. The aluminum's maximum bearing pressure was far exceeded by the bearing stress under the nut's head and face. As a result, there was excessive preload loss due to creep. fan shaft First of all, the fan shaft was required to be made of cold-drawn 1040 or 1045 steel with a yield strength of 586 MPa and the expected…arrow_forwardExplain, using the results, how each component failed and how each component’s design could be improved M24 Engine Mounting Bolt Failure Figure 1 The 220mm-long bolt was used to fasten one of the engine mount to a supporting structure. In an effort to prevent the bolt from coming loose, the torque-prevailing nut and split pin were utilized to tighten the bolt. The bolt held through an aluminum housing. Due to the reduced stiffness of the fastened parts, the bolt supported a greater proportion of the applied force. The bolt's size necessitated a high tightening torque of 660 Nm (487 Lbft). Since this level of torque could not be achieved with the tools at the time, this torque was not specified. The aluminum's maximum bearing pressure was far exceeded by the bearing stress under the nut's head and face. As a result, there was excessive preload loss due to creep. fan shaft First of all, the fan shaft was required to be made of cold-drawn 1040 or 1045 steel with a yield strength of 586…arrow_forward1, What does steel have in terms of hot and cold shortness? What led to the Titanic disaster (focus only on the materials engineering component of the disaster in your response)? 2. What are the remedies for steel that is too hot or too cold? Respond succinctly. 3. What does metals and alloys' hydrogen embrittlement entail? What is the cheapest way to prevent hydrogen embrittlement in metals and alloys?arrow_forward
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