Procedure
5.1 Dye-check specimens in accordance with Test Method
E 165 before testing. Discard any pieces exhibiting cracks or
flaws visible to the unaided eye.
5.2 Clean the test specimens with a suitable solvent after
grinding and immerse in an ultrasonic bath filled with hot
detergent solution. Then rinse specimens in hot water, dry at
110 6 2°C (230 6 4°F) for 2 h and cool to room temperature
in a desiccator.
5.3 Carefully center the specimen in the machine between
the contact blocks. Place an appropriate guard around the
specimen to contain flying fragments at failure; eye protection
should be used by the operator.
5.4 Apply the load continuously and without impact shock
until ultimate failure. The rate of loading to be used shall