diffusionless transformation


diffusionless transformation
Смотри бездиффузионное превращение.

Энциклопедический словарь по металлургии. — М.: Интермет Инжиниринг. . 2000.

Смотреть что такое "diffusionless transformation" в других словарях:

  • Diffusionless transformation — Diffusionless transformations classifications A diffusionless transformation is a phase change that occurs without the long range diffusion of atoms but rather by some form of cooperative, homogeneous movement of many atoms that results in a… …   Wikipedia

  • Diffusionless transformations — are a class of phase changes that do not occur by the long range diffusion of atoms but rather by some form of cooperative, homogeneous movement of many atoms that results in a change in crystal structure. These movements are small, usually less… …   Wikipedia

  • бездиффузионное превращение — [diffusionless transformation] фазовое превращение при котором атомы упорядоченно кооперативно перемещаются (сдвигаются) на растояния меньше межатомных без обмена атомов местами так, что соседи любого атома в исходной фазе остаются его соседями в …   Энциклопедический словарь по металлургии

  • Martensite — For the transformation, see Diffusionless transformations. Iron alloy phases Ferrite (α iron, δ iron) A …   Wikipedia

  • Phase transition — This diagram shows the nomenclature for the different phase transitions. A phase transition is the transformation of a thermodynamic system from one phase or state of matter to another. A phase of a thermodynamic system and the states of matter… …   Wikipedia

  • Martensit — ist ein hartes, ferromagnetisches und metastabiles Gefüge in Metallen, das diffusionslos und athermisch durch eine kooperative Scherbewegung aus dem Ausgangsgefüge entsteht. Dabei muss das Material von der Temperatur einer Hochtemperaturphase… …   Deutsch Wikipedia

  • Shape-memory alloy — A shape memory alloy (SMA, smart metal, memory metal, memory alloy, muscle wire, smart alloy) is an alloy that remembers its original, cold forged shape: returning the pre deformed shape by heating. This material is a lightweight, solid state… …   Wikipedia

  • Shape memory alloy — A shape memory alloy (SMA, also known as a smart alloy, memory metal, or muscle wire) is an alloy that remembers its shape, and can be returned to that shape after being deformed, by applying heat to the alloy. When the shape memory effect is… …   Wikipedia

  • martensite — a metastable iron phase supersaturated in carbon that is the product of a diffusionless (athermal) transformation from austenite. Very rapid cooling (quenching) of steel (at about 1,000(C per minute) produces a new microstructure, martensite. It… …   Mechanics glossary