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Quantifying microstructural features in aging process
of Al6061
Ali KhosravaniJordan Weaver
Original Image Corrected Image Segmented Image
400
775
AR 400F 525F 650F 775FImage 1 0.032904 0.041857 0.036041 0.051641 0.097341Image 2 0.023965 0.043686 0.035519 0.060976 0.103627Image 3 0.024079 0.040578 0.031837 0.054671 0.111044Image 4 0.027179 0.039005 0.045656 0.054723 0.092842Image 5 0.027323 0.041474 0.036051 0.054555 0.106871Image 6 0.024258 0.038561 0.034232 0.057636 0.106811Image 7 0.028309 0.036217 0.028897 0.054658 0.089563Image 8 0.021637 0.03788 0.029157 0.058748 0.084825Image 9 0.026702 0.035803 0.099341 0.104465Image 10 0.020928 0.041351 0.046461 0.089996Average 0.025728 0.039641 0.034674 0.059341 0.098739
Volume fraction- Constituent particle
0 50 100 150 200 250 300 350 400 450 5000
1
2
3
x 10-4
Number of Pixels
Fre
que
ncy
AR
400 F
525 F
650 F
775 F
Particle Spacing- Chord length on matrix
150 200 250
150
200
250
0.01
0.02
0.03
0.04
150 200 250
150
200
250
0.01
0.02
0.03
0.04
150 200 250
150
200
250
0.01
0.02
0.03
0.04
150 200 250
150
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250
0.01
0.02
0.03
150 200 250
150
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250
0.01
0.02
0.03
0.04
150 200 250
150
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250
0.01
0.02
0.03
150 200 250
150
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250
0.01
0.02
0.03
150 200 250
150
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250
0.01
0.02
0.03
150 200 250
150
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250
0.01
0.02
0.03
150 200 250
150
200
250
0.01
0.02
0.03
0.04
150 200 250
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250
0.01
0.02
0.03
0.04
150 200 250
150
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250
0.01
0.02
0.03
0.04
150 200 250
150
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0.01
0.02
0.03
150 200 250
150
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250
0.01
0.02
0.03
0.04
150 200 250
150
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250
0.01
0.02
0.03
150 200 250
150
200
250
0.01
0.02
0.03
150 200 250
150
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250
0.01
0.02
0.03
150 200 250
150
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250
0.01
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0.03
150 200 250
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250
0.01
0.02
0.03
0.04
150 200 250
150
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250
0.01
0.02
0.03
0.04
150 200 250
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0.01
0.02
0.03
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150 200 250
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0.01
0.02
0.03
150 200 250
150
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0.01
0.02
0.03
0.04
150 200 250
150
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250
0.01
0.02
0.03
150 200 250
150
200
250
0.01
0.02
0.03
150 200 250
150
200
250
0.01
0.02
0.03
150 200 250
150
200
250
0.01
0.02
0.03
fr00
150 200 250
150
200
250
0.01
0.02
0.03
0.04
fr11
150 200 250
150
200
2500.92
0.93
0.94
0.95
2-point statistics on OM and averaging statistics
fr00
150 200 250
150
200
250
0.01
0.02
0.03
fr11
150 200 250
150
200
2500.93
0.94
0.95
0.96
-2 -1.5 -1 -0.5 0 0.5 1
x 10-3
-12
-10
-8
-6
-4
-2
0
2
4x 10
-4
PC 1
PC
2
AR400 F525 F650 F775 F
-2 -1.5 -1 -0.5 0 0.5 1
x 10-3
-1.5
-1
-0.5
0
0.5
1
1.5
2x 10
-4
PC 1
PC
3
PCA on Chord Length
PCA on 2 point Stats + Chord Length-50 -40 -30 -20 -10 0 10 20 30
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
PC 1
PC
2
-50 -40 -30 -20 -10 0 10 20 30-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
PC 1
PC
3
AR400 F525 F650 F775 F
-30 -20 -10 0 10 20 30 40 50-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
PC 1
PC
2
AR400 F525 F650 F775 F
-30 -20 -10 0 10 20 30 40 50-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
PC 1
PC
3
PCA on 2 point Stats
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