Chapters 7, 5, 11
Instructions: Open Book and Notes. Also open HW.
All steps for calculations must be shown in agonizing detail.
1. Assume that orthogonal cutting is taking place. The rake angle is 15 degrees and the
a) Alloy: compound of 2 or more elements, at least one is a metal. May be a solid solution
or an intermetalic compound
b) Pearlite: 2 phase aggregate with alternating lamellae of ferrite and cementite the closer
the spaceing between
1. A tensile test specimen has an original length of 25mm. It is then stretched until it is 30 mm.
a. What is the engineering strain?
b. What is the true strain?
c. If the specimen has a strain hardening exponent of .2 and a strength