As pure iron is heated up through 910°C will it: 1600 C 1400 C liquid 910 C Y + cementite Fe,C cementite 723 C a + cementite 0% weight % carbon 7% Contract Expand O Maintain constant volume melt
Q: 4. Give the temperature range over which it is possible to austenitize each of the following Fe-C…
A: Full annealing is a softening process in which the metals is heated above the re crystallation…
Q: QUESTION 1 For a 1% steel, the carbon is completely soluble in iron at: 1600 Q 1400°C liquid 910°C…
A: For 1 % steel, single phase will not be possible.
Q: The time temperature transformation diagram for a hypoeutectoid steel is given below. Describe the…
A: In order to convert from tempered martensite to (ferrite + pearlite): it is necessary to heat…
Q: An austenite containing 0.55% C was slowly cooled below 727°C, what would be its resulting…
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Q: Fine pearlite of steel containing 0.45% C can be obtained after Hardening process Full annealing…
A: Introduction: The 0.45 C medium carbon steel is one of the most commonly used structural materials…
Q: 2. The below figure is a portion of the Fe-Fe;C phase diagram, fill the represent meaning of these…
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Q: Carbon steel (0.45%C) is subjected to different heat treatment procedures. Which one gives the best…
A: Concept: 1) Austenization is a process of obtaining austenite phase in crystal structure of that…
Q: 4 Solution of hydrogen gas in liquid iron obeys
A: Explanation: The solution of hydrogen gas in liquid iron take place according to Sievert's law.…
Q: Which invariant reaction can be recognized in 2300 210 1900 1700 1500 1300 Temperature, "C (A)
A: the peritectic reaction can be easily recognized in the phase diagram.
Q: 107) hematite is an ore of which metal? A) chrome B) iron C) nickel D) silver E) copper 108) What…
A: Hematite is iron ore. Hematite contains 70% of iron content. its chemical formulae are Fe2O3.…
Q: 18. What is the range of carbon concentrations for steels? 4.3...6.67% 0.8...6.67% 0.8...2.14%…
A: For low carbon steel , 0.05 to 0.26% For medium carbon steel, 0.29 to 0.54% For High carbon steel,…
Q: (c) Two samples of steel contain 93 % pearlite. Estimate the carbon content of each sample if one is…
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Q: Composition (at % Cu) 10 20 30 1200 600 a+ L Consiuer the given Al-Cu phase 1000 diagram. How much…
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Q: A 609 g eutectoid steel ( about 0.8%C) is heated to 1,002 C and cooled slowly through the eutectorid…
A: Refer to the given figure and write the expression for the amount of carbon composition in 0.8% C…
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Q: Based on the 2.0 kg of austenite including 0.60 wt% C, cooled to below 727°C. How many kilograms…
A: Since 0.60 wt% C is less than 0.76 wt% C, the ferrite will be in the proeutectoid phase. Referring…
Q: Q) Consider a 1.5 kg of a 99.7 wt% Fe-0.3 wt% C alloy that is cooled to a temperature just below the…
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Q: The carbon percentage of AISI 4340 steel is O A. 0.40% O B. 0.43%. OC.0.0% C.0.0% O D.0.34%
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Q: Name the microstructural products of a eutectoid iron-carbon alloy (0.76 wt% C ) that is first…
A: Material Science
Q: The TTT diagram for a 1077 eutectoid steel is given. Explain the heat treatment process to form 50%…
A: have a slower cooling rate such that it cuts the red line in the region of P while cuts at side to…
Q: 0) The lowest melting point for steel to be taught in the iron carbon phase diagram... A) eutectoid…
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Q: Composition (at% C) 10 15 20 25 1600 1538°C 1493°C L. 1400 2500 1394°C y+L 1200 1147°C 2.14 4.30 Y.…
A: The Three solubility categories of the phase diagram are: Hypoeutectoid steels : Carbon Content 0…
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Q: Refer to the Fe-C Diagram below to answer the following questions T( C) 1600 8. L 1400 (Fe-C y +L…
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Q: A 40 wt% Ni-60 wt% Cu alloy (Animated Figure 9.3a) is slowly cooled from 1400°C (2550°F) to 1150°C…
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Q: Give the temperature range over which it is possible to austenitize each of the following Fe-C…
A: Given Iron carbon steel in austenitize To find Temperature range
Q: As pure iron is heated up through 910°C will it: 1600 C 1400 C liquid 910°C y + cementite Fe,C…
A: Solving the first question out of two. Pls, repost the question in order to get solved the other…
Q: Question 7: The illustration shows the iron-carbon phase diagram. 1600 1400 1200 1000 800 600 1538C…
A: There is given a iron-carbon phase diagram in which we have to analyse the phase changes from 1500…
Q: Q.4) For 30 wt% Sn- 70 wr% Pb alloy at 125 °C, (a) what phases are present? (b) What are the…
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A: Given: 10% of Cu and 90% of Al
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Q: 1. An AISA 52130 steel is a. a carbon steel with 0.13 wt.% C b. an alloy steel with 0.13 wt.% C. a…
A: 1 - AISA 52130 STEEL is starting with 52xxx which shows it is chromium steel 130 show that carbon…
Q: For the manufacture of a pipe wrench, would you select: 1000 C Y (austentite) a +Y y + cementite a +…
A: Pipe wrenches are manufactured by forging using a wear-resistant material since the teeth of a pipe…
Q: In the iron carbon phases diagram, Greek letters and names of structures are used L liquid metal FE…
A: The given statement is true.
Q: anoy ) What phases are present for this alloy at 50°C? ) How much of each phase is present at 50°C?…
A: The temperature distribution represents the temperature at finite points on the surface. The…
Q: 11.15) Make a copy of the isothermal transforma- tion diagram for an iron-carbon alloy of eutectoid…
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Q: 9.62 Consider 2.0 kg of a 99.6 wt% Fe–0.4 wt% C alloy that is cooled to a temperature just below the…
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Q: Q1/ Draw a thermal equilibrium diagram for the binary alloy system (Si –Au), from the following…
A: Given: The melting temperature of Si, TSi = 1414oC The melting temperature of Au, TAu = 1064oC The…
Q: 2. Determine the amount of liquid phase in the a Cu-50% Ni alloy at 1300°C, % L 1500 1400 L. α+L 58…
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Q: T(C) 3 TEC) T-370°C 327 C 231 °C T =220°C 183 T. - 183°C Ti -80°C 100 97.Sn 4 789 1 2 3 4 5 6 7 8 9…
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Q: For a 9 wt % Fe-l wt% C steel at a temperature 1600 1538"C Composition (ark C) 10 15 20 25 just…
A: A) Iron, ferrite => (C<0.008wt%) Stainless steel, α+Fe3C => (0.008 - 2.14wt%) B)…
Q: By using the Iron - Carbon diagram that you have. Find 5 of the following. 1- The microstructure of…
A: Solution is attached below:
Q: Advanced Physics 4. Give the temperature range over which it is possible to austenitize each of the…
A: according to the given question
Q: The cementite phase in the Iron-Carbon system is metastable. True/False
A: The given statement is true.
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Q: 400 L 300 Liquidus An alloy has a composition of 35wt% Pb – 65wt% Sn at 182.999 °C, determine:…
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Q: Name the microstructural products of a eutectoid iron-carbon alloy (0.76 wt% C ) that is first…
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Q: An Ag-Cu alloy contains 25% a and 75% B at 600°C. The composition of the overall alloy is…
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Q: 10/. In _________ process, heating is carried out 20°C above the lower critical temperature and then…
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- Q3: With a moderately agitated water, a cylindrical piece of steel with 80 mm diameter is to be quenched. The hardnesses of the surface and center must be at least 55 and 40 HRC, respectively. Which of these alloys will satisfy the following requirements: 1040, 5140, 4340, 4140, 8620, 8630, 8640, and 8660? Cooling rate at 700c Cooling rate at 700°c 170 70 31 18 5.6 3.9 "C 270 170 70 31 18 9 60 2 "Os 5.6 3.9 2.8 100 100 50 4340 80 75 3 Surface 40 4140 Center 8640 30 5140 25 1040 20 10 20 30 40 50 mm 10 20 30 mm Distance from quenched end Equivalent distance from quenched end Figure 3 Figure 4 Hardness, HRC Percent martensite Diameter of bar (mm)Q4: Answer with True or False: 1-Cooling rate when quenching steel in agitated water is faster than brine. 2-Normalizing can be done for hypereutectoid steels by heating the steel above Acm. 3-Marquenching of the hardened steel sometimes causes quench cracks. 4-New carbides type begins to form after tempering AISI 1020 steel after 100°C. 5-Recrystallization temperature decreases with increasing the percentage of prior cold work. 6-Steels are categorized depending on their microstructure and how they've been heat treated. 7-Annihilation of dislocations, polygonization is commercially done by recrystallization annealing 8-Process annealing for cold worked for AISI 1040 steel includes heating the steel to 650°C. 9-Carbon content increases martensite start and finish temperatures. 10-Retained austenite is more at center than surface of a quenched part.Q3] A. What are annealing purposes? B. Calculate the upper and lower critical temperature for steel composition as follow: %C %Si %Mn %P %S %Cr %Mo %Fe 0.15 1.00 0.60 0.025 0.025 9. 1.10 balance
- By using the Iron - Carbon diagram that you have. Find 5 of the following. 1- The microstructure of Cast iron with 3% C. 2- The Liquid and Austinite percent with chemical composition for cast iron with 2% C at 1300°C 3- Find the melting point and microstructure of steel with 0.83% C 4- Define the temperature range for Acm temperature. 5- Find the Ac3, Acl temperature and microstructure of steel with 0.4 % C 6- Find the Eutectic, Eutectoid temperature and microstructure of cast iron with 4.3% CDirect hardening can be performed on steel containing at least________ carbon.The TTT diagram for a 1076 eutectoid steel is given: What is the heat treatment process to form 50% Coarse Pearlite + 50% Martensite. 800 A 1400 Eutectoid temperature 700 A 1200 600 1000 500 800 400 A 600 300 M(start) 200 50% 400 M + A M(50%) M(90%) 100 200 10-1 1 10 102 103 104 105 Time (s) Temperature (°C) Temperature (°F)
- Q2 By using the Iron - Carbon diagram that you have. Find 5 of the following. 1- Find the Eutectic, Eutectoid temperature of cast iron with 4.3% C 2- The microstructure of Cast iron with 3.5% C. 3- Find the melting point and microstructure of steel with 0.83% C 4- Define the temperature range for Acm temperature. 5- Find the Ac3, Ac, temperature of steel with 0.45% C 6- The Liquid and Austinite percent with chemical composition for cast iron with 2.3% C at 1300°CDescribe the final microstructure obtained in a 1050 steel after heat at 8200C, cooled to 7000C and hold for 5 s, cooled to room temperature. 900- a+y 800 A, 700 A1 F, Pr a+ pearlite 23 600 -y+a+pearlite 30 500 B1 y+ bainite Bainite 39 F=Ferrite B, M, 400 49 P=Pearlite 300 Y+ martensite B=Bainite 200 Martensite M=Martensite 62 100- 102 10 10 10 10 0.1 1 10 Time (s) TTT curve for carbon steel AISI 1050 Temperature (°C) Rockwell C hardnessQ1 / 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
- The Sheady Ceap data of stainless cheel tkon at Stress level Fompa ů qiven in te Table Compute he steady-ctate Cleep dets for this alloy at 1a5ok and Shee level of 5omPaf Hhe shees erpinen t fox the alloy ū 7.0. fempersiuse 977 1089 2.0X 183For a 1095 steel alloy, what would the percent of each phase be at 730°C and 725°C?10.11/ A 1.5-kg specimen of a 90 wt% Pb-10 wt% Sn alloy is heated to 250°C (480°F), at which temperature it is entirely an a-phase solid solution . The alloy is to be melted to the extent that 50% of the speci- men is liquid, the remainder being the a phase. This may be accomplished either by heating the alloy or changing its composi- tion while holding the temperature con- stant. (a) To what temperature must the speci- men be heated? (b) How much tin must be added to the 1.5-kg specimen at 250°C to achieve this state?