Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
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Chapter 7.10, Problem 57SEP
To determine
The suitable type of steel for the structural application in the arctic regions.
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for four different metals: 2014-T6 aluminum, 6061-T6 aluminum, structural A-36 steel, and 304 stainless steel. highlight differences (for example, you can rank them on things like strength, stiffness, ductility, etc.).
A cylindrical rod 100 mm long and having a diameter of 10.0 mm is to be deformed using a tensile
load of 27,500 N. It must not experience either plastic deformation or a diameter reduction of more
than 7.5 x 10-³ mm. Of the materials listed as follows, which are possible candidates? Justify your
choice(s).
Material
Aluminum alloy
Brass alloy
Steel alloy
Titanium alloy
Modulus of Elasticity (GPa) Yield Strength (MPa) Poisson's Ratio
70
101
207
107
200
300
400
650
0.33
0.34
0.30
0.34
A cylindrical rod having a diameter of 10.0 mm is to be deformed using a tensile load of
20,500 N. It must not experience either plastic deformation or a diameter reduction of more
than 4 x 10-³mm. Referring to the materials listed below, which are/is possible candidates?
Justify your choice(s).
Material
Magnesium alloy
Brass alloy
Steel alloy
Modulus of Elasticity (GPa) Yield Strength (MPa) Poisson's Ration
200
0.35
0.34
0.30
45
101
207
300
400
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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- Question 2. (a) A cylindrical rod of length 120 mm and 15.0 mm diameter, is to be deformed using a tensile load of 35 kN. It must not experience either plastic deformation or a diameter reduction of more than 1.2 x 102 mm. Of the materials given in Table 2a, which are possible candidates? Justify your answers. Material Modulus of Elasticity Yield Strength Poisson's (MPa x10³) (MPa) Ratio Aluminium alloy 70 250 0.33 Titanium alloy 105 850 0.36 Steel alloy 205 550 0.27 Magnesium alloy 45 170 0.29 [50%]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_forwardIn steel alloys, what is the best choice for aircraft construction? And why?arrow_forward
- A 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. Materials Modulus of Elasticity, (GPa) Yield Strength, (MPa) Tensile Strength, (MPa) Aluminum alloy 70 300 450 Titanium alloy 107 400 550 Steel alloy 207 500 750arrow_forwardAnswer with true (T) or false (F), corrects the wrong phrases, and gives short reason(s) for correct and corrected statements: 1- Normalized steels have better strength and toughness as compared to annealed steels. 2- Ferrous alloys are most important and widely used in comparison to any other metals. 3- Metals of BCC crystal structure are denser than metals of FCC structure. 4- Hypo-eutectoid steels fully annealed by heating to about 30°C above the upper critical temperature. X A3 5- The full martensite microstructure can be obtained by cooling the steels with any cooling rate. 6- There is a large volume expansion when martensite forms from austenite.,arrow_forwardAnswer with true (T) or false (F), corrects the wrong phrases, and gives short reason(s) for correct and corrected statements: 1- Normalized steels have better strength and toughness as compared to annealed steels. 2- Ferrous alloys are most important and widely used in comparison to any other metals. 3- Metals of BCC crystal structure are denser than metals of FCC structure. 4- Hypo-eutectoid steels fully annealed by heating to about 30°C above the upper critical temperature.X A3 5- The full martensite microstructure can be obtained by cooling the steels with any cooling rate. 6- There is a large volume expansion when martensite forms from austenite.,arrow_forward
- Answer with true (T) or false (F), corrects the wrong phrases, and gives short reason(s) for correct and corrected statements: 1- Normalized steels have better strength and toughness as compared to annealed steels. 2- Ferrous alloys are most important and widely used in comparison to any other metals. 3- Metals of BCC crystal structure are denser than metals of FCC structure. 4- Hypo-eutectoid steels fully annealed by heating to about 30°C above the upper critical temperature. 5- The full martensite microstructure can be obtained by cooling the steels with any cooling rate. 6- There is a large volume expansion when martensite forms from austenite.arrow_forwardDraw the engineering stress-strain curve for low carbon steel and indicate the important points on the curve.arrow_forwardgive an example proving that most materials exhibit both ductile andbrittle behavior?arrow_forward
- Explain why the engineer choose plain carbon steel instead of alloy steel ? justify your answer with suitable references regarding the advantage of plain carbon steel mechanical properties and other suitable properties related to your chosen design/building.arrow_forwardI. In a few words or in a single short sentence explain why it is easier to deform a piece of aluminum than a piece of iron? II. In a typical engineering stress-strain diagram, stress keeps on increasing after yield point due to strain hardening. In a few words or in a single short sentence explain what causes strain hardening? III. In a few words or in a single short sentence explain what kind of relationships represent thermally activated processes?. IV. Stress-Strain behavior of a hypothetical material is given below. Using 0.2 % offset yield strength method, determine (approximate) its yield strength and subsequently its modulus of elasticity. Draw (digital, manual, or copy and paste) the figure on your answer sheet and show the detail of your work. V. Determine the critical resolved shear stress on a BCC single crystal if a normal stress of 10 MPa along [100] direction causes slip system on (110) plan along [1-11], one-bar one-one, direction. Figure for Part D: 400 350 300 250 200…arrow_forwardIdentify the correct alloy that has the highest compressive strength property from the following options. Mild Steel Aluminium Carbon Steel Cast Ironarrow_forward
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