Draw a hypothetical plot of how you think the strength of alloys in an eutectic system...
Draw a hypothetical plot of how you think the strength of alloys in an eutectic system changes with composition. What are the principal mechanisms in operation that govern the strength and how it changes?
Homework Answers
A
plot of strength vs composition in an eutectic system is shown in
figure. As we move through liquids line to eutectic reaction, we
see that liquids temperature decreases. It means that strength
decreases as melting can be a measure of strength.
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Draw a hypothetical plot of how you think the strength of alloys
in an eutectic system...
Describe how to increase strength of hypoeutectic alloys by a)refining b) Solid solution c) more eutectic...
Describe how to increase strength of hypoeutectic alloys by a)refining b) Solid solution c) more eutectic phase
Question 4 (25 marks) (a) Consider the hypothetical eutectic phase diagram for metal for lead-tin system....
Question 4 (25 marks) (a) Consider the hypothetical eutectic phase diagram for metal for lead-tin system. Assume that (1) A and B phase cutectic phase diagram for metals A and B, which is similar to that 1. Assume that (1) a and B phases exist at the A and B extremities of the phase diagram, respectively; (2) the eutectic composi m, respectively; (2) the eutectic composition is 36 wt% A-64 wt% B; and (3) the composition of the a phase...
Question C1. Give two (2) ways in which you can increase the yield strength of a metal and briefly explain how each...
Question C1. Give two (2) ways in which you can increase the yield strength of a metal and briefly explain how each works to increase the yield stress. Question C2. An aluminium-Silicon casting alloy has a composition that is close to the Al-Si eutectic composition. Give two reasons why this composition is used to cast aluminium based engine blocks Question C3. Describe briefly three (3) mechanisms by which short randomly aligned fibres add to the toughness of a composite. can...
For high technological industries, you evaluate metals and ceramics beyond the Fe-c alloys to more costly applications. A. Select three alloying components for Ti alloys to give alpa+beta phases...
For high technological industries, you evaluate metals and ceramics beyond the Fe-c alloys to more costly applications. A. Select three alloying components for Ti alloys to give alpa+beta phases from simple solidification or peritectic reaction and beta+gamma phases from a eutectic reaction. B. What alloying elements should you seek for stainless steel to have a bar or plate with 50% austenite and 50% ferrite, with a significant martensitic phase, with reduction of sensitization and with reduction of pitting corrosion? C....
For high technological industries, you evaluate metals and ceramics beyond the Fe-C alloys to more costly applications. A. Select three alloying components for Ti alloys to give alpa+beta phases f...
For high technological industries, you evaluate metals and ceramics beyond the Fe-C alloys to more costly applications. A. Select three alloying components for Ti alloys to give alpa+beta phases from simple solidification or peritectic reaction and beta+gamma phases from a eutectic reaction. B. What alloying elements should you seek for stainless steel to have a bar or plate witth 50% austenite and 50% femte, with a significant martensitic phase, with reduction of sensitization and with reduction of pitting corrosion? C....
A. What is the U.S. economic system and what do you think are the advantages and...
A. What is the U.S. economic system and what do you think are the advantages and disadvantages of the American economic system in the context of globalization? B. Our economic system operates within a digital world where automation is increasing. What do you think are the advantages and disadvantages of automation (use of robots and software to make activities more efficient) in our economic system? C. Given what you are hearing or reading in the news, how do trade agreements...
6. Plot the stress-strain response that you would expect to see if a specimen of annealed...
6. Plot the stress-strain response that you would expect to see if a specimen of annealed mild steel is subject to uniaxial tension. Indicate the following features on the graph that you draw i). Yield strength ii). Tensile strength iii). Failure strength iv). Failure strain. A sample of the same mild steel was then subject to cold-rolling to produce a 5% reduction in thickness and a second test specimen cut from t. What would the stress-strain response of this deformed...
3c-3f help final in 2 days For high technological industries, you evaluate metals and ceramics beyond the Fe-C . alloys to more costly applications. A. Select three alloying components for Ti allo...
3c-3f help final in 2 days
For high technological industries, you evaluate metals and ceramics beyond the Fe-C . alloys to more costly applications. A. Select three alloying components for Ti alloys to give beta phase from simple solidification and three alloying components added to Ti to give beta+gamma phases from a eutectic reaction. B. What three alloying elements should you seek for stainless steel to have a bar or plate with reduction of sensitization and why? C. Liquid Hf-Nb...
What factors govern the accuracy of your density measurement? Hint: think about how you measure mass...
What factors govern the accuracy of your density measurement? Hint: think about how you measure mass and volume. Which measurement is likely to determine the number of significant figures used in your answer? Explain
How does understanding communication theory help you in your daily life? Think of a system in...
How does understanding communication theory help you in your daily life? Think of a system in which you are a member? What communicative action could you change that would change the system? What do you think the effect would be?
Question 4 (25 marks) (a) Consider the hypothetical eutectic phase diagram for metal for lead-tin system. Assume that (1) A and B phase cutectic phase diagram for metals A and B, which is similar to that 1. Assume that (1) a and B phases exist at the A and B extremities of the phase diagram, respectively; (2) the eutectic composi m, respectively; (2) the eutectic composition is 36 wt% A-64 wt% B; and (3) the composition of the a phase...
Question C1. Give two (2) ways in which you can increase the yield strength of a metal and briefly explain how each works to increase the yield stress. Question C2. An aluminium-Silicon casting alloy has a composition that is close to the Al-Si eutectic composition. Give two reasons why this composition is used to cast aluminium based engine blocks Question C3. Describe briefly three (3) mechanisms by which short randomly aligned fibres add to the toughness of a composite. can...
For high technological industries, you evaluate metals and ceramics beyond the Fe-c alloys to more costly applications. A. Select three alloying components for Ti alloys to give alpa+beta phases from simple solidification or peritectic reaction and beta+gamma phases from a eutectic reaction. B. What alloying elements should you seek for stainless steel to have a bar or plate with 50% austenite and 50% ferrite, with a significant martensitic phase, with reduction of sensitization and with reduction of pitting corrosion? C....
For high technological industries, you evaluate metals and ceramics beyond the Fe-C alloys to more costly applications. A. Select three alloying components for Ti alloys to give alpa+beta phases from simple solidification or peritectic reaction and beta+gamma phases from a eutectic reaction. B. What alloying elements should you seek for stainless steel to have a bar or plate witth 50% austenite and 50% femte, with a significant martensitic phase, with reduction of sensitization and with reduction of pitting corrosion? C....
6. Plot the stress-strain response that you would expect to see if a specimen of annealed mild steel is subject to uniaxial tension. Indicate the following features on the graph that you draw i). Yield strength ii). Tensile strength iii). Failure strength iv). Failure strain. A sample of the same mild steel was then subject to cold-rolling to produce a 5% reduction in thickness and a second test specimen cut from t. What would the stress-strain response of this deformed...
3c-3f help final in 2 days
For high technological industries, you evaluate metals and ceramics beyond the Fe-C . alloys to more costly applications. A. Select three alloying components for Ti alloys to give beta phase from simple solidification and three alloying components added to Ti to give beta+gamma phases from a eutectic reaction. B. What three alloying elements should you seek for stainless steel to have a bar or plate with reduction of sensitization and why? C. Liquid Hf-Nb...
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