We wish to produce a 0.3 inch thick plate of 3105 aluminum having a tensile strength of at least 25,000 psi and an elongation of at least 5%. The original thickness of the plate is 3 inches. The maximum cold work in each step is 85%. Which of the following procedures would achieve the correct final properties (more than one answer is possible!)? Group of answer choices Hot work from 3 in to 0.7 in; cold work from 0.7 in to 0.3 in Cold work from 3 in to 0.7 in; do an anneal to recrystallize the material; cold work from 0.7 in to 0.3 in Cold work from 3 inches to 0.3 inches Cold work from 3 in to 0.7 in; cold work from 0.7 to 0.5 in; do an anneal to recrystallize the material; cold work from 0.5 in to 0.3 in Hot work from 3 in to 0.5 in; do an anneal to recrystallize the material; hot work from 0.5 to 0.3 in Hot work from 3 in to 0.7 in; do an anneal to recrystallize the material; hot work from 0.7 to 0.3 in Cold work from 3 in to 0.5 in; do an anneal to recrystallize the material; cold work from 0.5 in to 0.3 in Hot work from 3 inches to 0.3 inches Hot work from 3 in to 0.5 in; cold work from 0.5 in to 0.3 in
We wish to produce a 0.3 inch thick plate of 3105 aluminum having a tensile strength of at least 25,000 psi and an elongation of at least 5%. The original thickness of the plate is 3 inches. The maximum cold work in each step is 85%. Which of the following procedures would achieve the correct final properties (more than one answer is possible!)? Group of answer choices Hot work from 3 in to 0.7 in; cold work from 0.7 in to 0.3 in Cold work from 3 in to 0.7 in; do an anneal to recrystallize the material; cold work from 0.7 in to 0.3 in Cold work from 3 inches to 0.3 inches Cold work from 3 in to 0.7 in; cold work from 0.7 to 0.5 in; do an anneal to recrystallize the material; cold work from 0.5 in to 0.3 in Hot work from 3 in to 0.5 in; do an anneal to recrystallize the material; hot work from 0.5 to 0.3 in Hot work from 3 in to 0.7 in; do an anneal to recrystallize the material; hot work from 0.7 to 0.3 in Cold work from 3 in to 0.5 in; do an anneal to recrystallize the material; cold work from 0.5 in to 0.3 in Hot work from 3 inches to 0.3 inches Hot work from 3 in to 0.5 in; cold work from 0.5 in to 0.3 in
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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We wish to produce a 0.3 inch thick plate of 3105 aluminum having a tensile strength of at least 25,000 psi and an elongation of at least 5%. The original thickness of the plate is 3 inches. The maximum cold work in each step is 85%. Which of the following procedures would achieve the correct final properties (more than one answer is possible!)?
Group of answer choices
Hot work from 3 in to 0.7 in; cold work from 0.7 in to 0.3 in
Cold work from 3 in to 0.7 in; do an anneal to recrystallize the material; cold work from 0.7 in to 0.3 in
Cold work from 3 inches to 0.3 inches
Cold work from 3 in to 0.7 in; cold work from 0.7 to 0.5 in; do an anneal to recrystallize the material; cold work from 0.5 in to 0.3 in
Hot work from 3 in to 0.5 in; do an anneal to recrystallize the material; hot work from 0.5 to 0.3 in
Hot work from 3 in to 0.7 in; do an anneal to recrystallize the material; hot work from 0.7 to 0.3 in
Cold work from 3 in to 0.5 in; do an anneal to recrystallize the material; cold work from 0.5 in to 0.3 in
Hot work from 3 inches to 0.3 inches
Hot work from 3 in to 0.5 in; cold work from 0.5 in to 0.3 in
Transcribed Image Text:The image is a graph titled "Figure 8-22," which illustrates the effect of percent cold work on the properties of a 3105 aluminum alloy. The x-axis represents the "Percent cold work," ranging from 0 to 80. The y-axis represents "Property," with values from 0 to 30.
The graph contains three curves:
1. **Tensile strength (ksi)**: This curve increases as the percent cold work increases, indicating that tensile strength grows with more cold work.
2. **Yield strength (ksi)**: Similar to the tensile strength, this curve also increases with an increase in percent cold work, showing that yield strength enhances with cold work.
3. **Elongation (%)**: This curve decreases as the percent cold work increases, suggesting that elongation diminishes with more cold work.
The trends indicate that as cold work increases, strength improves, but ductility (elongation) decreases.
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