Temperature (°C) 3600 3400 3200 3000 2800 2600 2400 2200 2092°C 0 30 50 60 70 80 60 L 90 Weight percent tungsten 100 2365°C 2337°C 37 2170°C 2665°C 2670°C 2600°C 2580 C 54 57 66 68 73 99.8 BBW 48 2110°C BW₂ (W) 2020°C 51 2000 1970 C 18 29.5 17 (BB) BW B&W₂ XBW 1800 0 10 20 30 40 50 60 70 80 90 100 B Atomic percent tungsten W 3422°C 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. At what composition and temperature does the lowest-temperature eutectic in this system occur?
Temperature (°C) 3600 3400 3200 3000 2800 2600 2400 2200 2092°C 0 30 50 60 70 80 60 L 90 Weight percent tungsten 100 2365°C 2337°C 37 2170°C 2665°C 2670°C 2600°C 2580 C 54 57 66 68 73 99.8 BBW 48 2110°C BW₂ (W) 2020°C 51 2000 1970 C 18 29.5 17 (BB) BW B&W₂ XBW 1800 0 10 20 30 40 50 60 70 80 90 100 B Atomic percent tungsten W 3422°C 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. At what composition and temperature does the lowest-temperature eutectic in this system occur?
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
Related questions
Question
Transcribed Image Text:Temperature (°C)
3600
3400
3200
3000
2800
2600
2400
2200
2092°C
0 30 50 60 70
80
60
L
90
Weight percent tungsten
100
2365°C
2337°C
37
2170°C
2665°C
2670°C
2600°C
2580 C
54 57
66
68 73
99.8
BBW
48
2110°C
BW₂
(W)
2020°C
51
2000
1970 C
18
29.5
17
(BB)
BW
B&W₂
XBW
1800
0
10
20
30
40
50
60
70 80
90
100
B
Atomic percent tungsten
W
3422°C
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.
At what composition and temperature does the lowest-temperature eutectic in this system
occur?
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