Chapter 4: Materials Vocabulary 0.0 / 5 ? PhysicsMaterialsASAQA Created by: E RoboCreated on: 01-10-13 15:50 Stiffness Resistance to deformation under the action of an applied force e.g. in tension. Steel is a Tough material 1 of 6 Strength Resistance to breaking under the action of an applied force. Steel is a very strong material 2 of 6 Toughness Resistance to cracking. The material fails through permanent plastic deformation by absorbing energy. Leather is tough. 3 of 6 Brittleness (opposite of tough) Prone to cracking. The material fails through crack propagation. Glass and ceramics are brittle. 4 of 6 Ductility Ability to be drawn into wire. Copper and Lead are ductile. 5 of 6 Hardness Resistance to indentation or scratching. Diamond was the hardest known material. 6 of 6
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