Unformatted text preview: a. logarithmic region b. steady state region c. stage III of deformation with time ( b ) 4. A hardness testing machine that has capability for testing microhardness testing is a. Brinnel hardness test b. Vickers diamond pyramid test c. Rockwell hardness test ( c ) 5. Critical fracture toughness is a function of a. stress applied b. crack size c. grain size ( c ) Bonus DBTT is observed only in materials with crystal structure of a. fcc b. bcc c. hcp ( b )...
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This note was uploaded on 10/11/2009 for the course MSE 200 taught by Professor Wholedepartment during the Fall '08 term at N.C. State.
- Fall '08