1000 37.5 32.500236.8 900 834 C 60.8 58.5 800 700°C 80.3 700 09.8 3.02 76.6 B8.2 600 (Cu) 70.6741 78.6 660°C 500 38.95 454G 46.5 468°C. . 57.7 48.9 425°C 88.3 419.58 C 400 (Zn)- 300 200 Temper IL

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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**Question #2:**

Consider the following questions based on the binary phase diagram for copper and zinc:

*Diagram Overview:*
- The vertical axis represents temperature in degrees Celsius, ranging from approximately 200°C to 1100°C.
- The horizontal axis represents the weight percent of zinc, from 0% (pure copper) to 100% (pure zinc).
- The phase regions are labeled (Cu), L, β, and (Zn), with various lines indicating phase boundaries.
- The areas enclosed by lines correspond to different phase mixtures or single phases.

*Highlighted Point (X):*
- Shown at 60% Cu and 40% Zn at a temperature of 600°C.

**a. [8 pts]**

*Question:*
Name the phase or phases present in this brass alloy with the composition and temperature shown by the “X” on the phase diagram (60% Cu, 40% Zn, 600°C).

*Answer Approach:**
- Locate the "X" point on the diagram.
- Identify the phase region where this composition and temperature intersect.
- Determine the phase(s) based on this region's labeling.
Transcribed Image Text:**Question #2:** Consider the following questions based on the binary phase diagram for copper and zinc: *Diagram Overview:* - The vertical axis represents temperature in degrees Celsius, ranging from approximately 200°C to 1100°C. - The horizontal axis represents the weight percent of zinc, from 0% (pure copper) to 100% (pure zinc). - The phase regions are labeled (Cu), L, β, and (Zn), with various lines indicating phase boundaries. - The areas enclosed by lines correspond to different phase mixtures or single phases. *Highlighted Point (X):* - Shown at 60% Cu and 40% Zn at a temperature of 600°C. **a. [8 pts]** *Question:* Name the phase or phases present in this brass alloy with the composition and temperature shown by the “X” on the phase diagram (60% Cu, 40% Zn, 600°C). *Answer Approach:** - Locate the "X" point on the diagram. - Identify the phase region where this composition and temperature intersect. - Determine the phase(s) based on this region's labeling.
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