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Charpy impact strength

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

  • Charpy impact test — noun A test of the impact strength of a material, used to determine its relative ductility or brittleness. The test is executed by swinging a large, heavy hammer on a pendulum from a predetermined height. The hammer fractures the material sample …   Wiktionary

  • 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

  • Strength of materials — Internal force lines are denser near the hole, a common stress concentration In materials science, the strength of a material is its ability to withstand an applied stress without failure. The applied stress may be tensile, compressive, or shear …   Wikipedia

  • 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

  • Charpy test — a test to measure the impact properties of steel. A prepared test piece, usually notched, is broken by a swinging pendulum. The energy consumed in breaking the test piece is measured in Joules. The more brittle the steel the lower the impact… …   Mechanics glossary

  • 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

  • charpy machine — ˈshär(ˌ)pē noun Usage: usually capitalized C Etymology: after A. G. A. Charpy died 1945 French engineer : a machine for measuring the breaking strength of materials under impact …   Useful english dictionary

  • materials testing — Introduction       measurement of the characteristics and behaviour of such substances as metals, ceramics, or plastics under various conditions. The data thus obtained can be used in specifying the suitability of materials for various… …   Universalium

  • 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

  • Brittleness — and usually makes a snapping sound.When used in materials science, it is generally applied to materials that fail in tension rather than shear, or when there is little or no evidence of plastic deformation before failure.When a material has… …   Wikipedia

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