Adhesive test results are based on material testing procedures outlined here:
Material Testing for Adhesives
Load rate used for Universal Testing Machine (UTM) was 0.5 mm/min.
Raw Data
Refer to the file “Adhesive Testing Data.xls” for the raw data outputted from the Universal Testing Machine
Processed Data
Refer to the file “EA E120 HP-EN.pdf” for the adhesive’s technical data sheet.
Table #1: Max shear stress of each test specimen
Specimen | Max Shear Stress (MPa) | Comments |
---|---|---|
None 1 | 3.227076 | Suspicion of poor preparation |
None 2 | 15.00324693 | |
None 3 | 3.51152 | Suspicion of poor preparation |
Degrease 1 | 7.364299 | |
Degrease 2 | 1.401875 | Suspicion of poor preparation |
Degrease 3 | 3.46305 | |
Abrade 1 | 5.961373 | |
Abrade 2 | 4.618917913 | |
Abrade 3 | 9.213191 |
Table #2: Average max shear stress of each surface preparation technique
Surface Preparation | Average Max Shear Stress (MPa) |
---|---|
None | 7.247280977 |
Degrease | 4.076408 |
Abrasion | 6.597827304 |
Graphs: