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Strain cleavage
| Глоссарий горнодобывающей промышленности |
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Cleavage, английский
- In an adhesively bonded joint, a separation in the joint caused by a wedge or other crack-‑opening-‑type action.
- The repeated division of cells in an embryo cleavage lines cleavage lines plural
- N расщепление class ~ расщепление класса
- The splitting of any body having a structure or line of cleavage: as fir cleaves longitudinally, slates horizontally, stones roughly, smoothly, conchoidal, or stratified, &c.
- A breakable weak point or fracture, usually caused by weak molecular structure. a cleavage is likely to split if struck in a certain direction, and in uncut diamonds, it is used as a natural site for splitting crystals prior to cutting and polishing.
- A break in a diamond which is parallel to the diamonds crystal planes. a cleavage may be caused by internal strain or a sharp blow.
- The natural areas of a diamond or gem where weak bonds hold the atoms together. when a stone is cut, the cutter will ‘split’ the stone along these planes/the cleavage lines.
- A fragment of a crystalline substance, such as a diamond produced by cleaving.
- As used by crystallographers, the tendency for crystalline substances, such as diamonds, to split along planes that are always parallel to at least one of the possible crystal faces peculiar to the crystal structure of a specific mineral or substance.
- As used by petrographers, the tendency for rocks to split along definite, parallel, closely spaced planes, which may be highly inclined to the bedding planes.
- Property or tendency of a rock to split easily along aligned, usually closely-spaced
- The mitotic divisions of the early embryo that occur in the absence of growth to divide the embryo into too many smaller nucleated cells.
- The splitting (fracture) of a crystal on a crystallographic plane of low index.
Cleavage banding, английский
Cleavage crack, английский
Cleavage fracture, английский
- Разрушение по плоскости спайности; разрушение сколом
- A fracture, usually of a polycrystalline metal, in which most of the grains have failed by cleavage, resulting in bright reflecting facets. it is one type of crystalline fracture. contrast with shear fracture.
Cleavage of lateral epitaxial films for transfer (cleft), английский
- A process for making inexpensive gallium arsenide (gaas) photovoltaic cells in which a thin film of gaas is grown atop a thick, single-crystal gaas (or other suitable material) substrate and then is cleaved from the substrate and incorporated into a cell, allowing the substrate to be reused to grow more thin-film gaas.
- A process for making
Cleavage plane, английский
- In a crystalline material, such as certain types of rocks, a plane along which splitting takes place most easily.
- The crystallographic plane, which can be likened to the grain in wood, along which a crys¬talline substance such as diamond may be split easily. see cleavage 2.
Cleavage test, английский
A test that measures the resistance of a timber to splitting longitudinally along the radial and tangential planes
Cleavage, 4., английский
Cleavages, английский
As used by the diamond-cutting and diamond-besetting industries, the more or less flat diamond fragments produced by splitting a crystalline diamond along the octahedral plane. such fragments are used primarily as a material from which special-shaped, diamond-pointed cutting tools are produced.
Strain, английский
- Deformation produced on a body by an outside force.
- 1. a condition in which a muscle has been stretched or torn by a strong or sudden movement 2. a group of microorganisms which are different from others of the same type a new strain of influenza virus 3. nervous tension and stress her work is causing her a lot of strain. he is suffering from nervous strain and needs to relax. verb to stretch a muscle too far he strained his back lifting the table. she had to leave the game with a strained calf muscle. the effort of running upstairs strained his heart.
- Tensión, presión; torcedura, esguince
- A change in the form or shape of a body or material which is subjected to an external force.
- Штамм
- Деформация; напряжение; натяжение о ~ at a point деформация в точке; ~ in a transverse direction поперечная относительная деформация
- Relative elongation or shortening of a material as result of
- Variants of the same species resulted due to certain variations/mutations in their genes
- The change per unit of length in a linear dimension of a stressed body. it may be thought of as the deformation caused by an applied load and is measured in inches of change per inch of stressed length, or in percentage of dimensional change of a specified stressed length.
- Deflection or alteration of the shape of a material by external forces.
- Deflection or alteration of the shape of a material by external forces. see also stress.
Strain, английский
Strain aging, английский
Aging induced by cold working.
Strain annealing, английский
Отжиг для снятия напряжений
Strain at failure, английский
Strain bar, английский
Strain break, английский
Strain burst, английский
Strain distribution slope, английский
Наклон кривой распределения деформации
Strain ellipsoid, английский
Strain energy, английский
- The work which is done in deforming a body.
- The work done in deforming a body.
- The work done in deforming a body within the elastic limit of the material. it is more properly elastic strain energy and can be recovered as work rather than heat.
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Strain ellipsoid, английский
Strain burst, английский
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