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Cartridge brass is an alloy with a composition of 30 wt% Zn and 70 wt% Cu....
Mixture rules A 70% Cu-30% Zn brass electrical component has been made of powdered metal and...
Mixture rules A 70% Cu-30% Zn brass electrical component has been made of powdered metal and contains 15 vol.% porosity. Assume that the pores are dispersed randomly. Given that the resistivity of 70% Cu-30% Zn brass is 62 n m, calculate the effective resistivity of the brass component using the simple conductivity mixture rule, Equation 2.32, and the Reynolds and Hough rule. (1 ) Pet=Pe (1-Xa) (Pa> 10p) [2.32] Mixture rule
2(25 p.) Consider an alloy containing 70 wt% Ni and 30 wt% Cu. (a) (7 p.)...
2(25 p.) Consider an alloy containing 70 wt% Ni and 30 wt% Cu. (a) (7 p.) Define the melting temperature of the alloy, (b) (18 p.) By drawing microstructures determine the types phases, their chemical compositions and relative amounts at 1400, 1365°C and 1300°C. 60 80 100 16000 20- 40- -2800 1500 1453 C 2600 1400 Solidus line Liquidus line 2400 300 1200 2200 11CO 9A 085'C 1000 20 40 80 100 Composition (ws Ni
A lead-tin alloy of composition 30 wt% Sn-70 wt% Pb is slowly heated from a temperature...
A lead-tin alloy of composition 30 wt% Sn-70 wt% Pb is slowly heated from a temperature of 150°C (300°F) (a) At what temperature does the first liquid phase form? (b) What is the composition of this liquid phase? (c) At what temperature does complete melting of the alloy occur? (d) What is the composition of the last solid remaining prior to complete melting? Composition (at% Sn) 40 100 327C 300 500 232 C 400 183°C 18.3 61.9 97.8 300 100...
l . A lead-tin alloy of composition 30 wt'% Sn-70 wt% Pb is slowly heated from...
l . A lead-tin alloy of composition 30 wt'% Sn-70 wt% Pb is slowly heated from a temperature of 150 °C (300 °F) (a) At what temperature does the first liquid phase form? (b) What is the composition of this liquid phase? (c) At what temperature does complete melting of the alloy occur? (d) What is the composition of the last solid remaining prior to complete melting? Composition sn) 40 60 80 100 327 C Last solid 3w1% in) -600...
find composition of all phases present for 75%wt Ag and 25%wt Cu at 700 C can...
find composition of all phases present for 75%wt Ag
and 25%wt Cu at 700 C
can you answer parts a b and c please. need it asap in
40 mins
°C 110) Atomic percent silver 30 10 SO 10 20 60 70 F 80 90 T 1084.5 1200 10X0X0 1 961.93 1700 900 1. + 1600 1+B SOX a B 780 1400 7.9 71.9 91.21 7080 1200 60X) + B 1000 SCO 850 - 1 1 400 Cu 1 20...
5. Part of the Al-Cu phase diagram is shown below. Consider an AI-33 wt% Cu alloy which has been solidified 800 700 660°C 600 548°C 02 3% 500 - 400 300 200 10 20 40 50 70 30 60 Al Wt % Cu a) What pha...
5. Part of the Al-Cu phase diagram is shown below. Consider an AI-33 wt% Cu alloy which has been solidified 800 700 660°C 600 548°C 02 3% 500 - 400 300 200 10 20 40 50 70 30 60 Al Wt % Cu a) What phases would be present after solidification and cooling to room temperature? b) What compositions would those phases have? c) Calculate the relative amounts of those phases d) Below is a micrograph for the solidified Al-33...
.4 Draw the bcc unit cell of tungsten metal and add a second neighboring unit cell. What is the c...
.4 Draw the bcc unit cell of tungsten metal and add a second neighboring unit cell. What is the coordination number of a site in the face of the original unit cell? What would be the stoichiometry of a compound in which all these sites were filled with carbon? 3.5 Metallic sodium adopts a bce structure with density of 970 kg/m'. What is the length of the edge of the unit cell? 3.6 An alloy of copper and gold has...
A magnesium-lead alloy of mass 9.7 kg consists of a solid α phase that has a...
A magnesium-lead alloy of mass 9.7 kg consists of a solid
α phase that has a composition just slightly below the
solubility limit at 300°C (570°F). The magnesium-lead phase diagram
is shown in Animated Figure 10.20.
(a) What mass of lead is in the alloy?
kg
(b) If the alloy is heated to 400°C (750°F), how much more lead may
be dissolved in the α phase without exceeding the
solubility limit of this phase?
wt%Pb = (m_Pb + m_add /...
--Given Values-- Atomic Radius (nm) = 0.116 FCC Metal = Gold BCC Metal: = Sodium Temperature...
--Given Values-- Atomic Radius (nm) = 0.116 FCC Metal = Gold BCC Metal: = Sodium Temperature ( C ) = 1017 Metal A = Tin Equilibrium Number of Vacancies (m-3) = 6.02E+23 Temperature for Metal A = 369 Metal B = Gallium 1) If the atomic radius of a metal is the value shown above and it has the face-centered cubic crystal structure, calculate the volume of its unit cell in nm3? Write your answers in Engineering Notation. ...
Based on the document below, 1. Describe the hypothesis Chaudhuri et al ids attempting to evaluate;...
Based on the document below,
1. Describe the hypothesis Chaudhuri et al ids attempting to
evaluate; in other words, what is the goal of this paper? Why is he
writing it?
2. Does the data presented in the paper support the hypothesis
stated in the introduction? Explain.
3.According to Chaudhuri, what is the potential role of thew
alkaline phosphatase in the cleanup of industrial waste.
CHAUDHURI et al: KINETIC BEHAVIOUR OF CALF INTESTINAL ALP WITH PNPP 8.5, 9, 9.5, 10,...
Mixture rules A 70% Cu-30% Zn brass electrical component has been made of powdered metal and contains 15 vol.% porosity. Assume that the pores are dispersed randomly. Given that the resistivity of 70% Cu-30% Zn brass is 62 n m, calculate the effective resistivity of the brass component using the simple conductivity mixture rule, Equation 2.32, and the Reynolds and Hough rule. (1 ) Pet=Pe (1-Xa) (Pa> 10p) [2.32] Mixture rule
2(25 p.) Consider an alloy containing 70 wt% Ni and 30 wt% Cu. (a) (7 p.) Define the melting temperature of the alloy, (b) (18 p.) By drawing microstructures determine the types phases, their chemical compositions and relative amounts at 1400, 1365°C and 1300°C. 60 80 100 16000 20- 40- -2800 1500 1453 C 2600 1400 Solidus line Liquidus line 2400 300 1200 2200 11CO 9A 085'C 1000 20 40 80 100 Composition (ws Ni
A lead-tin alloy of composition 30 wt% Sn-70 wt% Pb is slowly heated from a temperature of 150°C (300°F) (a) At what temperature does the first liquid phase form? (b) What is the composition of this liquid phase? (c) At what temperature does complete melting of the alloy occur? (d) What is the composition of the last solid remaining prior to complete melting? Composition (at% Sn) 40 100 327C 300 500 232 C 400 183°C 18.3 61.9 97.8 300 100...
l . A lead-tin alloy of composition 30 wt'% Sn-70 wt% Pb is slowly heated from a temperature of 150 °C (300 °F) (a) At what temperature does the first liquid phase form? (b) What is the composition of this liquid phase? (c) At what temperature does complete melting of the alloy occur? (d) What is the composition of the last solid remaining prior to complete melting? Composition sn) 40 60 80 100 327 C Last solid 3w1% in) -600...
find composition of all phases present for 75%wt Ag
and 25%wt Cu at 700 C
can you answer parts a b and c please. need it asap in
40 mins
°C 110) Atomic percent silver 30 10 SO 10 20 60 70 F 80 90 T 1084.5 1200 10X0X0 1 961.93 1700 900 1. + 1600 1+B SOX a B 780 1400 7.9 71.9 91.21 7080 1200 60X) + B 1000 SCO 850 - 1 1 400 Cu 1 20...
5. Part of the Al-Cu phase diagram is shown below. Consider an AI-33 wt% Cu alloy which has been solidified 800 700 660°C 600 548°C 02 3% 500 - 400 300 200 10 20 40 50 70 30 60 Al Wt % Cu a) What phases would be present after solidification and cooling to room temperature? b) What compositions would those phases have? c) Calculate the relative amounts of those phases d) Below is a micrograph for the solidified Al-33...
.4 Draw the bcc unit cell of tungsten metal and add a second neighboring unit cell. What is the coordination number of a site in the face of the original unit cell? What would be the stoichiometry of a compound in which all these sites were filled with carbon? 3.5 Metallic sodium adopts a bce structure with density of 970 kg/m'. What is the length of the edge of the unit cell? 3.6 An alloy of copper and gold has...
A magnesium-lead alloy of mass 9.7 kg consists of a solid
α phase that has a composition just slightly below the
solubility limit at 300°C (570°F). The magnesium-lead phase diagram
is shown in Animated Figure 10.20.
(a) What mass of lead is in the alloy?
kg
(b) If the alloy is heated to 400°C (750°F), how much more lead may
be dissolved in the α phase without exceeding the
solubility limit of this phase?
wt%Pb = (m_Pb + m_add /...
Based on the document below,
1. Describe the hypothesis Chaudhuri et al ids attempting to
evaluate; in other words, what is the goal of this paper? Why is he
writing it?
2. Does the data presented in the paper support the hypothesis
stated in the introduction? Explain.
3.According to Chaudhuri, what is the potential role of thew
alkaline phosphatase in the cleanup of industrial waste.
CHAUDHURI et al: KINETIC BEHAVIOUR OF CALF INTESTINAL ALP WITH PNPP 8.5, 9, 9.5, 10,...
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