Question: Compression testing may also be used to study performance of materials at large strains. a) Friction is one phenomenon that limit its use. State

Compression testing may also be used to study performance of materials at large strains. a) Friction is one

Compression testing may also be used to study performance of materials at large strains. a) Friction is one phenomenon that limit its use. State the other. (3 marks) b) Why is friction undesirable in compression? Illustrate your answer with a sketch (8 marks) c) How can friction be reduced during compression testing (4 marks)

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