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3 cards from this section. Quick, good the night before a test.
What is hardness?
Think about what happens when you press something into another material.
Name one hardness testing method.
One uses a ball, the other uses a diamond.
What does the hardness of a material measure?
Focus on deformation as 'pressing' or 'changing shape.'
True or False: The Brinell hardness test can measure very hard materials accurately.
Think about the material type it targets.
Given that the Vickers hardness test is more versatile, explain how it can be advantageous when selecting materials for aerospace applications.
Think about strength, weight, and reliability in aviation.
Design a simple experiment to compare the hardness of two aluminum samples using both Brinell and Vickers tests. What factors would be critical to control?
Consider how variations in testing methods might affect results.
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