A new image analysis tool for a quick and accurate quality ... · Successfully tested with PU foam...
Transcript of A new image analysis tool for a quick and accurate quality ... · Successfully tested with PU foam...
Technology and Innovation for Cellular Materials and Bioplastics at Industry Service
A new image analysis tool for a quick and accurate quality control and assessment of foams microstructure
𝑹 =𝒕𝒚
𝒕𝒙y
x
ty
tx
Cellular Structure
Thermal
insulation
Stiffness or
strength
Acoustic
insulation
Bouyancy
Cushioning
The key to unravel polymer foams properties and applications
1-Sample preparation
3-Image analysis
2-Image capturing
Complex and time-consuming and
expensive equipment
Current Analysis Methods
X-ray tomography
Scanning electron microscopy (SEM)
Optical microscopy
Time to analyse 1 sample
Sample preparation
Image capturing
Image analysis Total
X-ray tomography
SEM
Optical microscopy
Current Analysis Methods
2-3 h 3.5-4.5 h
1 h 0.25-1 h
0.75-2 h0.5 h 0.25- 1h
0,5 h
≤ 2 min
1 h
0.5 h 1.75-2.5 h
Cheap equipment
-image 4.0
Quick sample preparation and image
analysis
Accurate results
Autocell-image 4.0
1-Sample Preparation
Slicing + painting ≤ 2 min
Autocell-image 4.0
Cheap and small portable bench-
top optical microscopes
Autocell-image 4.0
Optical Microscopy
2-Image Capturing
x
y
z
Very small samples are
needed
Autocell-image 4.0
2-Image Capturing
Thic
knes
s (z
)
PU FOAM (PLANE Z-X)
x
y
z
Autocell-image 4.0
2-Image Capturing
PU FOAM (PLANE X-Y)
x
y
z
Autocell-image 4.0
2-Image Capturing
Autocell-image 4.0SEM
Highly accurate image capturing
Autocell-image 4.0
2-Image Capturing
3- Image Analysis
MASK GENERATION CELL COUNTING
PARAMETERS CALCULATIONS
≈ 10 sec aprox.
Autocell-image 4.0
SETTING SCALE, AREA of ANALYSIS and METHOD
≈ 50 sec aprox.
Autocell-image 4.0
Sample preparation
Image capturing
Image analysis Total
≤ 2 min ≤ 2 min ≤ 1 min
Time to analyse 1 sampleSample
preparationImage
capturingImage analysis Total
X-ray tomography
SEM
Optical microscopy
2-3 h 3.5-4.5 h
1.75-2.5 h1 h 0.25-1 h
0.75-2 h0.5 h 0.25- 1h
0.5 h 1 h
0.5 h
≤ 5 min
≤ 2 min
FILES PROVIDED: Original Micrograph
Autocell-image 4.0
FILES PROVIDED: Overlapped Mask
Autocell-image 4.0
FILES PROVIDED: Mask
Autocell-image 4.0
FILES PROVIDED: Excel File for R&D Evaluation
Autocell-image 4.0
Average
values
Individual values
for each cell
0 100 200 300 400 500 600 700 800 900 1000
0
5
10
15
20
25
30
Re
lative
Fre
qu
en
cy
Cell size 3D (m)
Cell size distributions
Autocell-image 4.0
FILES PROVIDED: Excel File for R&D Evaluation
Autocell-image 4.0
FILES PROVIDED: Excel File for R&D Evaluation
PID
✓ Cell size ()
✓ Anisotropy ratio (R)
✓ Volumetric cell density
✓ Linear cell density
✓ Cell size distributions
AUTOCELL
≤ 5 min
File with easily readable data for production quality control
Successfully tested with PU foam manufacturers:12 analysis/hour96 analysis/shift
288 analysis/day (3 shifts)
Autocell-image 4.0
Wide range of foams, colours, cellular structures and cell sizes:
From Macrocells to Microcells
Non-crosslinked POExtrusion foaming
Flexible PUReactive foaming
XPSExtrusion foaming
Cross-linked POCompression moulding
Cross-linked rubberCompression moulding
Autocell-image 4.0