part a) A carbon-Fe alloy containing 1.5 wt% C iscooled down to 800°C. Determine what phasesare present, the fraction of each phase present,and the composition of each phase.part b) A carbon-Fe alloy containing 1.5 wt% C iscooled down to 400 Celsius. Same as above,determine what phases are present, the fraction ofeach phase present, and the composition of eachphase.use the picture belowIrn-Iron Carbide Phase Diagram16008 (Ferrite)N538°C110020001495°CLiquid1000-14001394°C1200Y (austenite)2500y +liquid1148°C2.11%900Y+ Fe,C4.30%200015008001000Y+ cementiteDetail view727°Ca+y700912°C727°Ca+y80에0.77%0.022%1500Ferrite600600a + cementite-Fe,C 1000α (errte)1000Cementite (FeC) -500400a + Fe,C1Carbon (% by weight)6 6.670.51.0Carbon (% by weight)1.52.02.5(a)(b)FIGURE 5.4 (a) The iron-iron carbide phase diagram. (b) Detailed view of the microstructures above and below theeutectoid temperature of 727°C (1341°F). Because of the importance of steel as an engineering material, this diagramis one of the most important phase diagrams.Temperature (°C)Temperature (°C)

Answered: Image /qna-images/answer/1af9475b-0fdd-4ac0-8f3f-9b27c14187d2.jpg

Answered: part a) A carbon-Fe alloy containing…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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1.b. By using the Iron-Carbon (Fe-C) phase diagram provided herein, answer the following questions. Re-sketch the relevant portions of the diagram in answering the questions if you believe it is convenient. You may mark your answers on the provided phase diagram as well. Show all you workings and give clear but short explanations in your bluebook whenever needed. a) Identify all phase marked on the phase diagram. What are the reactions below 1200 °C in the Fe-C system? Write down the reactions, including the temperature at which they occur and the % of carbon of each phases participating in the reactions. b) What is the melting point of pure Fe? What is the melting temperature of Fe containing 4.3% carbon? What is the temperature at which &-Fe transforms to y-Fe? c) Trace the crystallization path of alloys A, B, and C on the phase diagram. You may re-sketch the relevant portion of the phase diagram to mark the crystallization path of each alloy clearly if you wish to do so. d)…
Question: Construct the hypothetical phase diagram for metals A and B between room temperature (20°C) and 700°C given the following information: The melting temperature of metal A is 480°C. The maximum solubility of B in A is 4 wt% B, which occurs at 420°C. The solubility of B in A at room temperature is 0 wt% B. One eutectic occurs at 420°C and 18 wt% B–82 wt% A. A second eutectic occurs at 475°C and 42 wt% B–58 wt% A. The intermetallic compound AB exists at a composition of 30 wt% B–70 wt% A, and melts congruently at 525°C. The melting temperature of metal B is 600°C. The maximum solubility of A in B is 13 wt% A, which occurs at 475°C. ● The solubility of A in B at room temperature is 3 wt% A.
1-The microstructural design of Iron-Carbon(Fe-C) alloys has led to the development of vast range of steels for structural material applications. The phase diagram provide means for producing specific microstructures. Using the phase diagram below to answer the following questions A – If the liquid mixture of Fe-3%Wt C is slowly cooled from 1600 C to 1200C indicate the phase(S) that are present at 1200 C . Also calculate the composition of the of phases.(10) B-Describe the sequence of all phase transformation that accour from Fe-1.5%wt C is slowly cooled from 1600 C to 400 C. Use the diagram below to to describe the microstructures for each phase transformation (10)
Q4: For a 98 wt% Fe-2 wt% C at a temperature 700 °C, determine the following: a) The Number and types of The Phases Present. b) The Amount Of Phases Present in Grams That forms per 100 G. c)Draw The Microstructure Of Phases Present At This Point And What is The React called? d) Specify the following on Iron- Carbon Phase Diagram: (y+ L) phase, Eutectoid Reaction
1. four processes. 2. Fill out the blanks by labeling the phase regions. 3. Identify the Indicate an in- termediate compound, if any. 3. Temperature (°C) 1600 1400 1200 1000 800 600 400 1538°C 0 (Fe) -1493°C 1394°C 912°C y, Austenite 1 2 0.16 5 0,022 a, Ferrite A N 2.14 Composition (at% C) 15 10 3 1147°C L4 3 4 Composition (wt% C) 4.30 727°C Sketch the microstructure at A, label phases, figure out compositions. 20 Cementite (Fe3C). 5 6 25 6.70
Q1 / Two metals Beryllium (Be) and Silicon (Si) have melting points 1282°C and 1414 °C respectively, are completely soluble as liquids but completely insoluble as solids . They form a eutectic at 1090°C containing 61 wt% Si -39wt% Be? Determine the following:- 1- Draw the thermal equilibrium phase diagram and identify all phases are present in diagram ,then sketches what happens in microstructure when the alloys containing , a- 10wt% Si, b-70wt%Si , solidify completely. 2- Determine the composition and the amount of each phase for the alloy which contain 15 wt% Si-85wt% Be at 1150°C If the alloy is hypoeutectic determine the amount of eutectic at 600 °C? or hypereutectic and
Refer to Figure 1 showing the phase diagram for the Fe-Fe3C system. Consider 1.0 kg of austenite containing 1.15 wt% C, cooled to below 727 C (1341 F). What is the proeutectoid phase? How many kilograms each of total ferrite and cementite form? How many kilograms each of pearlite and the proeutectoid phase form? Schematically sketch and label the resulting microstructure.
Consider the binary alloy phase diagram shown schematically below. The left-hand side denotes phase a, and the right-hand side the phase ß. The intermediate region is a coexistence regime with both a and ß phases. The three points 1, 2 and 3 in the coexistence region are at 22.8 wt% A, 28.2 wt% A, and 33.7 wt % A respectively. If the points on the phase boundaries L and R are at 20 wt% A and 39 wt % A, respectively, what is the fraction of a phase at 1, 2 and 3? (This question has only one correct answer) T(°C) A-B binary alloy 1400 Coexistence region 3 1 2 1100 B 20 % 40 % Weight % A
In the binary phase diagram for the Cu-Ni system in the Figure provided: 1. Draw the microstructures for each point for the alloy upon cooling (A-E) and label ALL phases! 2. What are the compositions (C's) of EVERY phase and the relative phase amounts (W's) for each microstructure A-E? Show all work! T(°C) (liquid) L 20 (a, solid) 30 A BUD E 40 Co OOOOO w 10 50 wt% Ni CL= Ca= CL= Ca= CL= Ca= C₁= Cu= C₁= Ca= WL= Wa= WL= Wα= W₁= W= W₁= Wa= W₁= Wu= A B E
4. The figure below shows the phase diagram for a hypereutectoid plain carbon steel. Assume that point c is slightly above 723 °C and point d is slightly below 723 °C. i. Explain the structure at points a, b, c, and d on the diagram. ii. Determine the wt% of proeutectoid cementite at point c. iii. Determine the wt% of eutectoid cementite at point d. Temperature (°C) 1100 900 700 500 300 100 a + Y R 0 100% Fe 0.02 1.0 Fe, C 1.2 2.0 Fe,C Fe, C Pearlite 3.0 4.0 Weight percent carbon y+ Fe, C 723°C a + Fe, C 1 5.0 Fe,C 1 6.0 6.7
ASAP
3. The figure below shows the phase diagram for a hypoeutectoid plain carbon steel. Assume that point c is slightly above 723 °C and point d is slightly below 723 °C. i. ii. iii. Explain the structure at points a, b, c, and d on the diagram. Determine the wt% of proeutectoid ferrite at point c. Determine the wt% of eutectoid ferrite at point d. Temperature (°C) 1000 900 800 700 600 500 400 0 100% Fe y+ a 0.02 a + Fe, C b 0.4 723°C y + Fe, C Pearlite 0.8 Weight percent carbon Fe₂C 6.67

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