Testing Products for ASTM A125
CompressionSpring Rate: Accuracy depends on measuring the exact deflection between the coils.
Browse validated testing configurations. Filter by regulatory standard, material type, or force requirements.
78 items found
Spring Rate: Accuracy depends on measuring the exact deflection between the coils.
The Master metals standard; it bridges the gap between E8 and specific product specs like A325 bolts.
Extreme Stiffness: Ceramics have virtually zero elongation. Any frame squish will ruin your modulus data.
Bond Line Control: The thickness of the glue determines the stress distribution.
Initiation Force: This test is the starting gun. It measures the peak force to break the surface of a plastic…
Moisture Balance: Wood properties change drastically with humidity; condition for 48 hours minimum.
Initial Contact: Defining the zero point is hard on soft foams. Use a 1N pre-load to establish a consistent start.
Bond Failure: This test often fails at the adhesive interface rather than the foam itself.
Scale Matters: When specimens are this small, the mass of the grip should be as close to zero as possible.
Measures the bond strength of sandwich panel skins to the core. Uses a unique rotating drum fixture.
Peel Rate: The speed of the peel dramatically affects the average force recorded.
The Sled Weight: The standard sled must weigh exactly 200g ± 5g to calculate the COF accurately.
The Average of Five Peaks: The result isn’t the highest force, but the average of the five highest peaks.
Resin Check: This tests the interlaminar glue (matrix), not the fiber.
The Quick Stick: Measures how much force is needed to pull a 5mm probe away from a sticky surface.
Thermal Drift: In long-term creep tests, ambient temperature fluctuations can cause sensor drift.
Explosive Failure: Composites store massive energy and shatter upon failure.
Substrate Flex: Unlike metal lap-shear, plastic substrates often bend during the shear pull.
Substrate Cleanliness: The stainless steel test plate must be cleaned with reagent-grade solvent after every test.
The Buckling Battle: This method is preferred when end-loading (D695) causes brooming of the fibers.