
(a)
Using the isothermal transformation diagram for a 1.13wt%C steel alloy, specify the nature of the final microstructure,
Rapidly cool to 250°C (480°F), hold for 103 s, then quench to room temperature.
(b)
Using the isothermal transformation diagram for a 1.13wt%C steel alloy, specify the nature of the final microstructure,
Rapidly cool to 775°C (1430°F), hold for 500 s, then quench to room temperature.
(c)
Using the isothermal transformation diagram for a 1.13wt%C steel alloy, specify the nature of the final microstructure,
Rapidly cool to 400°C (750°F), hold for 500 s, then quench to room temperature.
(d)
Using the isothermal transformation diagram for a 1.13wt%C steel alloy, specify the nature of the final microstructure,
Rapidly cool to 700°C (1290°F), hold at this temperature for 105 s, then quench to room temperature.
(e)
Using the isothermal transformation diagram for a 1.13wt%C steel alloy, specify the nature of the final microstructure,
Rapidly cool to 650°C (1200°F), hold at this temperature for 3 s, rapidly cool to 400°C (750°F), hold for 25 s, then quench to room temperature.
(f)
Using the isothermal transformation diagram for a 1.13wt%C steel alloy, specify the nature of the final microstructure,
Rapidly cool to 350°C (660°F), hold for 300 s, then quench to room temperature.
(g)
Using the isothermal transformation diagram for a 1.13wt%C steel alloy, specify the nature of the final microstructure,
Rapidly cool to 675°C (1250°F), hold for 7 s, then quench to room temperature.
(h)
Using the isothermal transformation diagram for a 1.13wt%C steel alloy, specify the nature of the final microstructure,
Rapidly cool to 600°C (1110°F), hold at this temperature for 7 s, rapidly cool to 450°C (840°F), hold at this temperature for 4 s, then quench to room temperature.

Want to see the full answer?
Check out a sample textbook solution
Chapter 11 Solutions
Fundamentals of Materials Science and Engineering, Binder Ready Version: An Integrated Approach
- 17.33 Table P17.33 lists the 2015 world record times and holders for outdoor running. Note that all but the 100 m and the marathon (42,195 m) are run on oval tracks. Fit a power model for each gender and use it to predict the record time for a half marathon (21,097.5 m). Note that the actual records for the half marathon are 3503 s (Tadese) and 3909 s (Kiplagat) for men and women, respectively. TABLE P17.33 World record times and holders for outdoor running in 2015 Men's Women's Event (m) Time (s) record holder Time (s) record holder 100 9.58 Bolt 200 19.19 Bolt 400 43.18 Johnson 47.60 Koch 113.28 148.98 10.49 Griffith-Joyner 21.34 Griffith-Joyner Kratochvilova Masterkova 800 100.90 Rudisha 1000 131.96 Ngeny 1500 206.00 El Guerrouj 2000 284.79 El Guerrouj Bekele 5000 757.40 10,000 1577.53 Bekele 230.07 Dibaba 325.35 O'Sullivan 851.15 Dibaba 1771.78 Wang 20,000 3386.00 Gebrselassie 3926.60 Loroupe 42,195 7377.00 Kimetto 8125.00 Radcliffearrow_forward21.26 Determine the average value for the data in Fig. P21.26. Perform the integral needed for the average in the order shown by the following equation: xn Cym I 1 = [ [ [ xo yo (y)dy] f(x, y)dy dxarrow_forwardDetermine the coefficients by setting up and solving Eq. (17.25). 17.17 Given these data 5 10 15 20 25 30 35 40 45 50 y 17 24 31 33 37 37 40 40 42 41 use least-squares regression to fit (a) a straight line, (b) a power equation, (c) a saturation-growth-rate equation, and (d) a parabola. Plot the data along with all the curves. Is any one of the curves superior? If so, justify.arrow_forward
- 18.2 The following data were measured precisely: t 2 2.1 2.2 2.7 3 3.4 Z 6 7.752 10.256 36.576 66 125.168 (a) Use Newton interpolating polynomials to determine z at t = 2.5. Make sure that you order your points to attain the most accurate results. What do your results tell you regarding the order of the polynomial used to generate the data? (b) Use a third-order Lagrange interpolating polynomial to determine y at t = 2.5.arrow_forwardE D (B) (<) 2945 3725 250 2225 Car Port 5000 2500 Pool Area 2 3925 3465 2875 13075 Staff Room Bar Counter 1 GROUND FLOOR PLAN SCALE 1:100 Hallway 3 1560 4125 3125 $685 Laundry & Service Area 5 A Common T&B Kitchen & Dining Arear B Living Area 2425 Terrace E 2 12150 1330 2945 4150 5480 1800 3725 1925 3800 3465 2 3 9150 4125 3575 3925 Terrace Toilet & Bathroom Toilet Bathroom Bedroom 1 Bedroom 2 SECOND FLOOR PLAN SCALE Hallway 1:100 OPEN TO BELOW E B A 3 3725 2150 1330 2945 5480 4150 1925 ⑨ 2 9150 3800 4125 3465 3575 3925 Terrace R Toilet & Bathroom Toilet & Bathroom SECOND FLOOR PLAN SCALE Hallway 1:100 OPEN TO BELOW +arrow_forwardHow can I perform Laplace Transformation when using integration based on this?arrow_forward
- If C is the circle |z|=4 evaluate ff(z)dz for each of the following functions using residue. Z (a)f(z) = z²-1 Z+1 1 (b)f(z) = = (c)f(z) = z²(z+2) z(z-2)³ z² 1 1 (d) f(z) = = (e) f(z) = (f) f(z) = (z²+3z+2)² z²+z+1 z(z²+6z+4)arrow_forwardWrite an example of a personal reflection of your course. - What you liked about the course. - What you didn’t like about the course. - Suggestions for improvement. Course: Information and Decision Sciences (IDS) The Reflection Paper should be 1 or 2 pages in length.arrow_forward5. Answer the following questions. Take help from ChatGPT to answer these questions (if you need). Write the answers briefly using your own words with no more than two sentences, and check whether ChatGPT is giving you the appropriate answers in the context of our class. a) What is the Bode plot? What kind of input do we consider for the frequency-response- based method? b) What is the advantage of design using the frequency-response method? c) Define gain margin, phase margin, gain crossover frequency, and phase crossover frequency.arrow_forward
- Phase (deg) 3. The Bode diagram of a system is shown below. Magnitude (dB) System: sys -10 Frequency (rad/s): 0.141 Magnitude (dB): -15.6 -20 -30 40 -50 -60 0 -45 -90 -135 101 10° Bode Diagram System: sys Frequency (radis): 10 Magnitude (dB): -18.9 System: sys Frequency (rad/s): 10 Phase (deg):-52.2 101 Frequency (rad/s) 102 103 Find the steady-state output of the system for each of the following inputs. a) u(t) = 100 b) u(t) 100 cos(10 t + 10°) = c) u(t) = 500 + 200 cos(10 t + 10°)arrow_forwardQ2/ In a design of a portable sprinkler system, the following information is given: • • The sprinklers are distributed in a square pattern with radius of the wetted circle of the sprinkler=15 m Consumption rate = 10 mm/day Efficiency of irrigation = 60% Net depth of irrigation (NDI)= 80 mm. Find the following: 1-Sprinkler application rate if HRS = 11. 2-Number of pipes required for irrigation. (50 Marks) 3-Discharge of sprinkler, diameter of nozzle, and the working head pressure if C=0.90. 4-Diameter of the sprinkler pipe for Slope=0. 5-Pressure head at the inlet and at the dead end of the sprinkler pipe for Slope=0. (F² + L²)((SF)² + L²) L² 2L² ≤ D² L² + S² ≤ D² A, = * 1000 S*L ≤D² N W Af m-11-P L' Hf = 1.14*109 * 1.852 * L *F,where c=120 D4.87 Source main pipe 180 m 540 m N 1 1 √m-1 F = im/Nm+1 = + + m+1 2N 6N2 i=1 Nozzle diameter (mm) 3< ds 4.8 4.8< ds 6.4 6.4arrow_forwardMiniatry of Higher scent Research University of Ke Faculty of Engineering Cell Engineering Department 2024-2025 Mid Exam-1 st Attempt Time Date: 17/04/2025 Notes: Answer all questions. Not all figures are to scale. Assume any values if you need them. Q1/ A farm with dimensions and slopes (50 Marks) = shown in the figure below. If you asked to design a border irrigation system and if you know that Net depth of irrigation - 96mm .Manning coefficient = 0.15, Time of work in the farm is 6 hours/day. Design consumption use of water from the crop (ET) 16 mm/day, Width of the agricultural machine equal to 2.5m, Equation of infiltration - D= 12-05 and Efficiency of irrigation= 60%. You can neglect the recession lag time. Find the width and number of the borders, Irrigation interval and time required to irrigate the whole farm, Depth of flow in the inlet of border Number of borders that irrigated in one day and The neglected recession lag time Slope of irrigation % Maximum border width 0-0.1 30…arrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
- MATLAB: An Introduction with ApplicationsEngineeringISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncEssentials Of Materials Science And EngineeringEngineeringISBN:9781337385497Author:WRIGHT, Wendelin J.Publisher:Cengage,Industrial Motor ControlEngineeringISBN:9781133691808Author:Stephen HermanPublisher:Cengage Learning
- Basics Of Engineering EconomyEngineeringISBN:9780073376356Author:Leland Blank, Anthony TarquinPublisher:MCGRAW-HILL HIGHER EDUCATIONStructural Steel Design (6th Edition)EngineeringISBN:9780134589657Author:Jack C. McCormac, Stephen F. CsernakPublisher:PEARSONFundamentals of Materials Science and Engineering...EngineeringISBN:9781119175483Author:William D. Callister Jr., David G. RethwischPublisher:WILEY





