Update Presentation 2

Peter Griffiths and Ethan Hilton

02 11 PM ,Wed, Oct 07 2015

GOAL

Find process-structure Linkage between the slot-die manufacturing process of thin-film membranes containing microparticles and the distribution of those microparticles within the film.

pic1.1

Inputs and Outputs

Inputs

  1. h/H
  2. Particle Size (4 - 22 microns, avg = 9 microns)
  3. Shape of Particle
  4. Substrate Speed**

pic2

Constants

  1. Volume Fraction
  2. W
  3. Flow rate

pic2

Outputs

  1. Particle Location
  2. Volume Fraction

pic_h_H_050_state

Workflow

pic6

Micro CT

pic8

Image Processing

pic5

Statistical Approach

How do we deal with particle-distribution gradients?

pic_stat_proc_layers

Validation

MATLab-Generated Samples

pic9

Two-point Statistics

pic10

Current Work and Issues

  1. Processing and Collection of CT Data
  2. Feature size identification routines
  3. Curvature in samples
  4. depth of field/identifying particles over multiple images

SAMPLE IMAGES

(aquired this morning) pic7

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