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Izod impact

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  • Izod impact strength test — Izod impact strength testing is an ASTM standard method of determining impact strength. A notched sample is generally used to determine impact strength.The test is named after the English engineer Edwin Gilbert Izod (1876 1946), who described it… …   Wikipedia

  • Izod impact test — a test specimen, usually of square crossed section is notched and held between a pair of jaws, to be broken by a swinging or falling weight. When the pendulum of the Izod testing machine is released it swings with a downward movement and when it… …   Mechanics glossary

  • Impact force — An impact force is a high force or shock applied over a short time period. Such a force or acceleration can sometimes have a greater effect than a lower force applied over a proportionally longer time period. Theory At normal speeds, during a… …   Wikipedia

  • impact test — Test of the ability of a material to withstand impact, used by engineers to predict its behaviour under actual conditions. Many materials fail suddenly under impact, at flaws, cracks, or notches. The most common impact tests use a swinging… …   Universalium

  • izod test — ˈīˌzäd , ˈīzəd noun Usage: usually capitalized I Etymology: after E. G. Izod, 20th century English mechanical engineer : a test of a metal s or plastic s resistance to impact that is made by determining the amount of energy in foot pounds needed… …   Useful english dictionary

  • impact test — a test designed to give information on how a specimen of a known material will respond to a suddenly applied stress, e.g. shock. The test ascertains whether the material is tough or brittle. A notched test piece is normally employed and the two… …   Mechanics glossary

  • Izod method — An impact resistance test in which the specimen is held as a vertical cantilever beam and is broken by a single swing of a pendulum, with the line of initial contact at a fixed distance from the specimen clamp and from the centerline of the notch …   Dictionary of automotive terms

  • Izod test — An impact resistance test in which the specimen is held as a vertical cantilever beam and is broken by a single swing of a pendulum, with the line of initial contact at a fixed distance from the specimen clamp and from the centerline of the notch …   Dictionary of automotive terms

  • Charpy impact test — v · d · e Materials failure modes Buckling · …   Wikipedia

  • pendulum impact test — The standard test methods are the Izod and Charpy tests; the specimens have a standard notch machined in them, and the impact energy absorbed in breaking the specimen is recorded …   Dictionary of automotive terms

  • Résilience (physique) — Pour les articles homonymes, voir Résilience. La résilience est la capacité d un matériau d emmagasiner de l énergie quand il se déforme d une manière élastique et de libérer cette énergie quand la charge est supprimée. Sommaire 1 Résilience des… …   Wikipédia en Français

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