equiaxed grains

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• Equiaxed crystals — are crystals that have axes of approximately the same length. Crystals of equal axial length have more planes on which to slip and thus have higher strength and ductility.Equiaxed grains can in some cases be an indication for… …   Wikipedia

• e|qui|axed — «EE kwuh AKST», adjective. Crystallography. 1. having about the same dimensions on all sides; regular in shape: »equiaxed crystal grains. 2. consisting of equiaxed grains formed in the center of an alloy casting: »an equiaxed zone. ╂[< equi +… …   Useful english dictionary

• Ceramography — is the art and science of preparation, examination and evaluation of ceramic microstructures.[1] Ceramography can be thought of as the metallography of ceramics. The microstructure is the structure level of approximately 0.1 to 100 µm, between… …   Wikipedia

• nuclear ceramics — Introduction       ceramic materials employed in the generation of nuclear power (nuclear energy) and in the disposal of radioactive nuclear wastes.       In their nuclear related functions, ceramics are of major importance. Since the beginning… …   Universalium

• Materials Science Laboratory — MSRR 1 (NASA) The Materials Science Laboratory (MSL) of the European Space Agency is a payload on board the International Space Station for materials science experiments in low gravity. It is installed in NASA s first Materials Science Research… …   Wikipedia

• Hot rolling — is a metalworking process where large pieces of metal, such as slabs or billets, are heated above their recrystallization temperature and then deformed between rollers to form smaller cross sections. Hot rolling produces thinner cross sections… …   Wikipedia

• Casting (metalworking) — Casting iron in a sand mold In metalworking, casting involves pouring liquid metal into a mold, which contains a hollow cavity of the desired shape, and then allowing it to cool and solidify. The solidified part is also known as a casting, which… …   Wikipedia

• Friction stir welding — (FSW) is a solid state joining process (meaning the metal is not melted during the process) and is used for applications where the original metal characteristics must remain unchanged as far as possible. This process is primarily used on aluminum …   Wikipedia

• recrystallization — the change in grain structure which occurs when the metal is annealed; during which grains, deformed and strain hardened by working, becomes new equiaxed unstrained grains. This results in decreased hardness and tensile strength together with an… …   Mechanics glossary

• Dendrite (metal) — Ice dendrite formation on a snowflake A silver crystal, electrolytically refined with visible dendritic structures A dendrite in metallurgy is a characteristic tree like structure of cry …   Wikipedia

• Rolling (metalworking) — A rolling schematic In metalworki …   Wikipedia