Report on the testing of compressive properties
ASTM D3410_Standard Test Method for Compressive Properties of Polymer Matric Composite Materials will move
Abstract/Summary
This section will include the following (and maybe some other stuff I missed?)
Highlight of results
What test we are doing (tensile, compression anvil pendulum etc.)
Some more specific information we missed, for example, we used our own equipment, we didn’t have the correct equipment so we had to choose something else, something that may have messed up our test results? (feel free to add other things you believe are important to note)
Lack of test specimens for the standard quantity that standards require?
Link to ASTM Standard summary?
Introduction
In this test, we will be using a compressive fixture to test various compressive properties of our CF sandwich panels. We are hoping to compare the empirical data received from this test to the FEA data acquired from simulations. There are a lot of failure modes that may occur, there is a whole code classification to them, as shown in the figure below.
Materials
Equipment required
Micrometers/Calipers
Compression fixture
Specimen Alignment Jig
Strain-Indicating Device
Bonded Resistance Strain Gauges
(Maybe Emery cloth)
Conditioning/Environmental test chamber
Procedures
This test involves compressing the test specimen in the following apparatus:
Figure 1: Compression Test Fixture (insert the one we actually used)
Test Specimen Prep
Only fill out if we actually do specimen preparation/ we change the standard geometries used in the ASTM document.
Raw Data
Results obtained directly from the test
Specimen Number | Compressive Force? (idk if this is it, on the ASTM summary it just says Force) | Compressive Strain? (I think this is it) | Ultimate Compressibe Strain? | Displacement (idk if we will actually measure this for this test) |
---|---|---|---|---|
1 |
|
|
|
|
2 |
|
|
|
|
3 |
|
|
|
|
4 |
|
|
|
|
5 |
|
|
|
|
*Name and description of why failure mode occurred*
*picture of failure mode in question*
Processed Data
Preliminary calculations
Variable | Quantity | Notes |
---|---|---|
Specimen Length | Varied by specimen |
ASTM D3410 outlines the recommended dimensions but we don’t have to follow that. |
Specimen Width | Varied by Specimen | |
Specimen Gage Length | Varied by Specimen | |
Specimen Thickness | Varied by Specimen | |
Specimen thickness variation at tabbed ends | Varied by Specimen | Should be within +/- 1% of thickness |
Specimen Number | Specimen Length | Specimen Width | Specimen Gage Length | Specimen Thickness | Specimen thickness variation at tabbed ends |
---|---|---|---|---|---|
1 |
|
|
|
|
|
2 |
|
|
|
|
|
3 |
|
|
|
|
|
4 |
|
|
|
|
|
5 |
|
|
|
|
|
Post-testing calculations
*sample calcs!!!!*
Specimen Number | Percent Bending | Compressive Strength | Compressive Strain | Average Compressive Strain | Average Ultimate Compression Strain | Compressive Modulus of Elasticity | Compressive Poisson’s ratio | Compressive Poisson’s ratio |
---|---|---|---|---|---|---|---|---|
1 |
|
|
|
|
|
|
|
|
2 |
|
|
|
|
|
|
|
|
3 |
|
|
|
|
|
|
|
|
4 |
|
|
|
|
|
|
|
|
5 |
|
|
|
|
|
|
|
|
We can continue with another table or just add cells to the end of this table?
Graphs below this with a description of what the graph is showing
Discussion
Here, we can just explain what went/think went wrong and how we could’ve maybe avoided it if anybody wants to read this for future reference?
Conclusion
Here, we can include our final remarks and what we learned while going through this test
Validity of results
Conclusions
Implications
Some Highlight of Results (quantitative statements)
Trends
More stuff that I can’t think of?