The Hardness of Metals |
Contents
INTRODUCTION | 1 |
DEFORMATION AND INDENTATION | 8 |
Deformation by a flat circular punch | 40 |
9 other sections not shown
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Common terms and phrases
alloy annealed annealed copper anvils approximately area of contact asperities assume calculated cent Chapter chordal diameter coefficient of restitution collision compression cone constant diamond dynamic hardness dynamic yield pressure E₁ effect elastic collision elastic deformation elastic limit elastic recovery elastic stresses equal equation flat surface friction full plasticity geometrically similar h₂ hard steel harder metals hardness measurements height of fall height of rebound Huber-Mises criterion ideal plastic metal increase indium Ishlinsky linear strain material mean pressure metal surface Meyer hardness Meyer index Meyer's law mild steel obtained onset of plastic plastic deformation occurs plastic flow plastic yielding Poisson's ratio Proc produce plastic punch radius of curvature ratio region of contact relation semi-angle shear stress shown in Fig slip-line softer metal specimen sphere static steel ball stress-strain curve Tabor tion Tungsten carbide two-dimensional ultimate tensile strength velocity of impact Vickers hardness number yield stress Young's modulus دو