impact strength test

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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

• 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

• impact test — noun : a test for determining the impact strength of a material the impact test of the pottery was made with a dropping metal ball …   Useful english dictionary

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

• strength of materials — Engineering discipline concerned with the ability of a material to resist mechanical forces when in use. A material s strength in a given application depends on many factors, including its resistance to deformation and cracking, and it often… …   Universalium

• Adverse impact — ] . A substantially different rate is typically defined in government enforcement or Title VII litigation settings using the 80% Rule, statistical significance tests, and/or practical significance tests. The 80% ruleThe 80% rule defines adverse… …   Wikipedia

• Disparate Impact — In US employment law, the doctrine of disparate impact holds that employment practices may be considered discriminatory and illegal if they have a disproportionate adverse impact on members of a minority group. Under the doctrine, a violation of… …   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

• 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