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brittleness test

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  • 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

  • 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

  • I|zod test — «Y zod», a test of the brittleness of a metal or other material, made by measuring the amount of energy absorbed by a test piece into which a notch has been cut when it is fractured by a swinging pendulum. ╂[< E. Izod, a British engineer of… …   Useful english dictionary

  • 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

  • temper brittleness — the loss in impact resistance that is present in some low and medium carbon alloy steels when tempered in the range of 350 deg C 600 deg C. It is revealed by the notched bar impact test but not the tensile test …   Mechanics glossary

  • steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …   Universalium

  • Hardness — This article is about mechanical properties of materials. For other uses, see Hard. Hardness is the measure of how resistant solid matter is to various kinds of permanent shape change when a force is applied. Macroscopic hardness is generally… …   Wikipedia

  • Diamond simulant — Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976. The high price of gem grade diamonds, as well as significant ethical concerns of… …   Wikipedia

  • AI-complete — In the field of artificial intelligence, the most difficult problems are informally known as AI complete or AI hard, implying that the difficulty of these computational problems is equivalent to solving the central artificial intelligence problem …   Wikipedia

  • Nail (anatomy) — Human nails Fingernails Toenails A nail is a horn like env …   Wikipedia

  • Corrosion — v · d · e Materials failure modes Buckling · …   Wikipedia

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