Homework Answers
Ferrite+ Cementite
Pearlite is a two phase mixture consisting alternative layers of Cementite (87.5% ) and Ferrite (12.5%).
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Which of the following represent the two-phase microstructure found in some steels and cast irons that...
please answer question 2,3,4 A critical feature of steel is that a considerable amount of...
please answer question 2,3,4
A critical feature of steel is that a considerable amount of carbon can be dissolved in the austenite, phase, (up to 2.14 w/o at 1147"C), whereas carbon is essentially insoluble in ferrite, Cooling from point d to e, just above the eutectoid but still in the an increased fraction of the +y region, will produce phase and a microstructure similar to that shown: the particles precinitates out in the form af an intermetallic.compound called iron-carbide...
Ou. 3 Chapters 10- 11: Phase Transformations/ Designations, Compositions and Typ Applications for Some Selected Steels (25%) Using the isothermal transformation diagram for an iron-carbon alloy o...
Ou. 3 Chapters 10- 11: Phase Transformations/ Designations, Compositions and Typ Applications for Some Selected Steels (25%) Using the isothermal transformation diagram for an iron-carbon alloy of eutectoid composition 6), please, identify and name the final microstructures resulting from the two cooling curves labeled (@) and (b). (c): Draw and label on Figure 6 the cooling curve that yields the following microstructures: 50% of microstructure A (Figure 7a) and 50% of microstructure B (Figure 7b). (d) Please, provide missing information...
8. For the Fe-C diagram answer the following a) Give the common name for the following...
8. For the Fe-C diagram answer the following a) Give the common name for the following phases - a, Y, FeC b) Assume each of the given compositions has been slowly cooled under equilibrium conditions to 700°C. Draw the microstructure of each, taking care to annotate drawings fully, including identification of phases, microconstituents, and features. Also list each phase composition...... (6 points) 100.0% Fe 0.2%C, 99.8%Fe 0.6%C, 99.4%Fe 0.76%C, 99.24%Fe () () () c) For a composition of 1 wt%...
3. For the Fe-C diagram answer the following ...(11 points) a) Give the common name for...
3. For the Fe-C diagram answer the following ...(11 points) a) Give the common name for the following phases - a, y, FezC...(1 point) b) Assume each of the given compositions has been slowly cooled under equilibrium conditions to 700°C. Draw the microstructure of each, taking care to annotate drawings fully, including identification of phases, microconstituents, and features. Also list each phase composition............(6 points) 100.0% Fe 0.2%C, 99.8%Fe 0.6%C, 99.4%Fe 0.76%C, 99.24%Fe () (0) () (0) c) For a composition...
Quostion 5 Alloy phase diagrams are useful in determining the freezing range of various metals and...
Quostion 5 Alloy phase diagrams are useful in determining the freezing range of various metals and alloys. The binary phase diagram for Lead (Pb) Tin (Sn) is given below for the full compositional range. Of the compositions given, which is expected to have the lowest fluidity? (a) Pure Lead (Pb) [Owt% Sn] (b) 10wt% Sn (c) 20wt% Sn (d) 60wt% Sn (e) Pure Tin (Sn) [100wt% Sn] 400 327 °C 350 Liquidus Line Liquid 300 232 "C 250 aPb +L...
Prablems 0-/0.18 te ster ATdiagram on Ay on next page on a Lor scale 0,45 phase...
Prablems 0-/0.18 te ster ATdiagram on Ay on next page on a Lor scale 0,45 phase diagrem At wto C 0,77, yar proevlechrid product will be (known as ferrile and denoted with in Chap 0). At wt.?0 C0.7, your proestectoid product will be c lalso known as arbide or cenentik and denoted as At t o, the t curres on the diagram should extrapolafe ut to points oa h phase digian that corrtspond to the perahue ranges forthe proetechd evtkcfoid...
I need help to write a nice introduction for experiment 6 please ( no hands write ) typing Thank you HEAT TREATMENT OF STEELS EXPERIMENT 6 EXPERIMENT 6 HEAT TREATMENT OF STEELS THEORY The Ef...
I need help to write a nice introduction for experiment 6
please ( no hands write ) typing
Thank you
HEAT TREATMENT OF STEELS EXPERIMENT 6 EXPERIMENT 6 HEAT TREATMENT OF STEELS THEORY The Effect of Cooling Rate One of the most convenient methods for controlling the properties of a given steel, i.e., a steel whose composition is already fixed, consists of austenizing the steel and ten cooling to room temperature at some predetermined rate. A variation of cooling rates...
please answer question 2,3,4
A critical feature of steel is that a considerable amount of carbon can be dissolved in the austenite, phase, (up to 2.14 w/o at 1147"C), whereas carbon is essentially insoluble in ferrite, Cooling from point d to e, just above the eutectoid but still in the an increased fraction of the +y region, will produce phase and a microstructure similar to that shown: the particles precinitates out in the form af an intermetallic.compound called iron-carbide...
Ou. 3 Chapters 10- 11: Phase Transformations/ Designations, Compositions and Typ Applications for Some Selected Steels (25%) Using the isothermal transformation diagram for an iron-carbon alloy of eutectoid composition 6), please, identify and name the final microstructures resulting from the two cooling curves labeled (@) and (b). (c): Draw and label on Figure 6 the cooling curve that yields the following microstructures: 50% of microstructure A (Figure 7a) and 50% of microstructure B (Figure 7b). (d) Please, provide missing information...
8. For the Fe-C diagram answer the following a) Give the common name for the following phases - a, Y, FeC b) Assume each of the given compositions has been slowly cooled under equilibrium conditions to 700°C. Draw the microstructure of each, taking care to annotate drawings fully, including identification of phases, microconstituents, and features. Also list each phase composition...... (6 points) 100.0% Fe 0.2%C, 99.8%Fe 0.6%C, 99.4%Fe 0.76%C, 99.24%Fe () () () c) For a composition of 1 wt%...
3. For the Fe-C diagram answer the following ...(11 points) a) Give the common name for the following phases - a, y, FezC...(1 point) b) Assume each of the given compositions has been slowly cooled under equilibrium conditions to 700°C. Draw the microstructure of each, taking care to annotate drawings fully, including identification of phases, microconstituents, and features. Also list each phase composition............(6 points) 100.0% Fe 0.2%C, 99.8%Fe 0.6%C, 99.4%Fe 0.76%C, 99.24%Fe () (0) () (0) c) For a composition...
Quostion 5 Alloy phase diagrams are useful in determining the freezing range of various metals and alloys. The binary phase diagram for Lead (Pb) Tin (Sn) is given below for the full compositional range. Of the compositions given, which is expected to have the lowest fluidity? (a) Pure Lead (Pb) [Owt% Sn] (b) 10wt% Sn (c) 20wt% Sn (d) 60wt% Sn (e) Pure Tin (Sn) [100wt% Sn] 400 327 °C 350 Liquidus Line Liquid 300 232 "C 250 aPb +L...
Prablems 0-/0.18 te ster ATdiagram on Ay on next page on a Lor scale 0,45 phase diagrem At wto C 0,77, yar proevlechrid product will be (known as ferrile and denoted with in Chap 0). At wt.?0 C0.7, your proestectoid product will be c lalso known as arbide or cenentik and denoted as At t o, the t curres on the diagram should extrapolafe ut to points oa h phase digian that corrtspond to the perahue ranges forthe proetechd evtkcfoid...
I need help to write a nice introduction for experiment 6
please ( no hands write ) typing
Thank you
HEAT TREATMENT OF STEELS EXPERIMENT 6 EXPERIMENT 6 HEAT TREATMENT OF STEELS THEORY The Effect of Cooling Rate One of the most convenient methods for controlling the properties of a given steel, i.e., a steel whose composition is already fixed, consists of austenizing the steel and ten cooling to room temperature at some predetermined rate. A variation of cooling rates...
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