FoamPyc Application
File > Open > [.ANC File]
Selection | Required Action |
---|---|
Standard | Select Record equilibration data then enter the criteria (if recording equilibration data). |
Correction using cell dimensions |
Enter the cell wall density.
|
Correction by recutting sample |
Enter the cell wall density.
|
No correction | Enter the cell wall density. |
Compressibility test |
Enter the initial and final pressure, and the pressure increment. Enter cell wall density. Compressibility test. The fill pressure is increased incrementally over the sample with each repeat of the P1,P2 cycle (where P1 is the initial pressure to which the sample is charged, and P2 the final pressure after expansion). The apparent variation of the measured sample volume with the average pressure is determined. This test is an approximate indication. It is not intended to be an exact measure of the volume compressibility. |
Cell fracture test |
Enter the Low pressure and the Fracture pressure. Enter cell wall density. Cell fracture test. A perfectly rigid foam is assumed. First, a P1,P2 cycle is performed at the lower of two specified P1 pressures, and the results stored. A second cycle is performed at a higher specified value of P1, then a third cycle identical to the first cycle is performed. The difference between the volume of the sample on the first measurement and on the third measurement is reported as the volume of fractured cells. It is assumed that cells fracture by exposure to the highest pressure (2nd cycle) so that when the third measurement is made, the measured sample volume has decreased from the first cycle by the amount of the closed cell volume which was fractured. |
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