Determination Of Mechanical Properties Of Aluminum Alloys Lab Report Age hardening analysis lab report help, techincal writing Sample Original L f l 2.011

Determination Of Mechanical Properties Of Aluminum Alloys Lab Report Age hardening analysis lab report help, techincal writing Sample
Original L f l
2.011 inch2.336
Diameter D f
0.506
M of E
0.384 9.5 Msi
yeld stress Tensile
43662 Psi
57816
7075
Over aged
6061
Over aged
2.02
2024
Over aged
2.003
2024
Normal aged
6061
Normal aged
7075
0.509
10.7 Msi
2.104
0.509
0.441 10.3msi
2.003
2.243
0.508
0.479 10.1Msl
2.006
2.856
0.509
45754 Psi
49604
46390Psi
49000
55797
60947
9.5Msi
45887
48545
9.9Msi
42173
79713
Elongation Reduction of Aria
16%
42.60%
18%
calculate
calculate
Hardness( Rockwell B
70
45.05
39
44.90%
58
calculate
71
17.8
51.65
55
15.90%
33.6
54
Requirements for Laboratory Report
The laboratory report will consist of
•
•
•
•
•
Abstract (100 words or less)
Minimum three paragraph introduction discussing the theoretical aspect of the
precipitation hardening mechanisms. (Maximum length of the introduction is six
paragraphs)
Presentation of data comparing the properly aged and overage aluminum tensile
bars.
Discussion of findings (maximum of four paragraphs)
Conclusions
For the Results and Discussion portion of the report, the following information must be
included
1. Determine and tabulate the following for each test bar
▪
Yield strength
▪
Modulus of elasticity
▪
Ultimate tensile strength
▪
Percent elongation
▪
Hardness (Rockwell B scale)
2. Compare the mechanical properties tabulated for each material as
specified previously with values listed in a reference book. Only
compared the properly aged mechanical properties of 2024, 6061, and
7075 aluminum. Indicate and reference your source.
Include in your report the following review and discussion topics. These are guidelines
for you to write your report. Do not write answers directly to the question but address
the proposed technical issues in your report.
•
How does precipitation hardening affect the mechanical properties of 2024, 6061,
and 7075 wrought aluminum alloy?
•
What are the differences between a proper aged and 24 hour aged 2024, 6061,
and 7075 aluminum? How do the mechanical properties changes.
•
Does the experimental data match the reference data for the properly aged 2024,
6061, and 7075 wrought aluminum? If not, explain why there would be a
difference.
also discribe how each sample broke (nicking)
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