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Temperature (°C) 3400 Weight percent tungsten 0 30 5060 70 80 90 100 3200 L 3000 2800 2600 2665°C 2670°C 2600 C 2580 C 68 73 54 57 66 99.8 2365 C 2337 C 37 48 2170°C 2110°C (W) 51 2400 2200 2092°C 2020 C 2000 1970 C 18 29.5 17 (BB) 1800 0 10 20 30 40 B 3422°C 60 70 80 90 100 W 50 Atomic percent tungsten Answer the following questions with reference to the Boron-Tungsten binary phase diagram shown above. 1. What is the melting point of pure boron? 2. What is the melting point of pure tungsten? 3. 4. 5. At what composition and temperature does the lowest-temperature eutectic in this system occur? At what composition and temperature does the highest-temperature eutectic in this system occur? List all of the known intermetallic compounds in this system. THT UNIVERSITY of Prince Edward ISLAND School of Sustainable Design Engineering ENGN 2360 Assignment 3 Due: July 24, 2024 Instructor: Sheldon White Summer 2024 6. 7. 8 9. What does the dashed line near the top right of the diagram indicate? What is indicated by the fact that the intermetallic compounds appear as narrow regions instead of vertical lines? What type of transformation occurs with the compound BW between 2110 °C and 2170°C? Using the lever rule, find the relative atomic proportions of liquid and BsW2 at 26 atomic % tungsten and 2200°C

Temperature (°C) 3400 Weight percent tungsten 0 30 5060 70 80 90 100 3200 L 3000 2800 2600 2665°C 2670°C 2600 C 2580 C 68 73 54 57 66 99.8 2365 C 2337 C 37 48 2170°C 2110°C (W) 51 2400 2200 2092°C 2020 C 2000 1970 C 18 29.5 17 (BB) 1800 0 10 20 30 40 B 3422°C 60 70 80 90 100 W 50 Atomic percent tungsten Answer the following questions with reference to the Boron-Tungsten binary phase diagram shown above. 1. What is the melting point of pure boron? 2. What is the melting point of pure tungsten? 3. 4. 5. At what composition and temperature does the lowest-temperature eutectic in this system occur? At what composition and temperature does the highest-temperature eutectic in this system occur? List all of the known intermetallic compounds in this system. THT UNIVERSITY of Prince Edward ISLAND School of Sustainable Design Engineering ENGN 2360 Assignment 3 Due: July 24, 2024 Instructor: Sheldon White Summer 2024 6. 7. 8 9. What does the dashed line near the top right of the diagram indicate? What is indicated by the fact that the intermetallic compounds appear as narrow regions instead of vertical lines? What type of transformation occurs with the compound BW between 2110 °C and 2170°C? Using the lever rule, find the relative atomic proportions of liquid and BsW2 at 26 atomic % tungsten and 2200°C

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Temperature (°C) 3400 Weight percent tungsten 0 30 5060 70 80 90 100 3200 L 3000 2800 2600 2665°C 2670°C 2600 C 2580 C 68 73 54 57 66 99.8 2365 C 2337 C 37 48 2170°C 2110°C (W) 51 2400 2200 2092°C 2020 C 2000 1970 C 18 29.5 17 (BB) 1800 0 10 20 30 40 B 3422°C 60 70 80 90 100 W 50 Atomic percent tungsten Answer the following questions with reference to the Boron-Tungsten binary phase diagram shown above. 1. What is the melting point of pure boron? 2. What is the melting point of pure tungsten? 3. 4. 5. At what composition and temperature does the lowest-temperature eutectic in this system occur? At what composition and temperature does the highest-temperature eutectic in this system occur? List all of the known intermetallic compounds in this system. THT UNIVERSITY of Prince Edward ISLAND School of Sustainable Design Engineering ENGN 2360 Assignment 3 Due: July 24, 2024 Instructor: Sheldon White Summer 2024 6. 7. 8 9. What does the dashed line near the top right of the diagram indicate? What is indicated by the fact that the intermetallic compounds appear as narrow regions instead of vertical lines? What type of transformation occurs with the compound BW between 2110 °C and 2170°C? Using the lever rule, find the relative atomic proportions of liquid and BsW2 at 26 atomic % tungsten and 2200°C
Transcribed Image Text:Temperature (°C) 3400 Weight percent tungsten 0 30 5060 70 80 90 100 3200 L 3000 2800 2600 2665°C 2670°C 2600 C 2580 C 68 73 54 57 66 99.8 2365 C 2337 C 37 48 2170°C 2110°C (W) 51 2400 2200 2092°C 2020 C 2000 1970 C 18 29.5 17 (BB) 1800 0 10 20 30 40 B 3422°C 60 70 80 90 100 W 50 Atomic percent tungsten Answer the following questions with reference to the Boron-Tungsten binary phase diagram shown above. 1. What is the melting point of pure boron? 2. What is the melting point of pure tungsten? 3. 4. 5. At what composition and temperature does the lowest-temperature eutectic in this system occur? At what composition and temperature does the highest-temperature eutectic in this system occur? List all of the known intermetallic compounds in this system. THT UNIVERSITY of Prince Edward ISLAND School of Sustainable Design Engineering ENGN 2360 Assignment 3 Due: July 24, 2024 Instructor: Sheldon White Summer 2024 6. 7. 8 9. What does the dashed line near the top right of the diagram indicate? What is indicated by the fact that the intermetallic compounds appear as narrow regions instead of vertical lines? What type of transformation occurs with the compound BW between 2110 °C and 2170°C? Using the lever rule, find the relative atomic proportions of liquid and BsW2 at 26 atomic % tungsten and 2200°C
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