grain boundary वाक्य
उदाहरण वाक्य
मोबाइल
- This leads to the decrease of grain boundary strengthening effect.
- However, a crack that propagates along the grain boundaries is termed an intergranular fracture.
- Grain boundaries are interfaces where crystals of different orientations meet.
- Some of these maps describe grain orientation, grain boundary, diffraction pattern ( image ) quality.
- At high temperatures, grain boundaries are weaker than grains.
- Irregularities at the grain boundaries in materials can produce dislocations which propagate into the grain.
- Grain boundaries also cause deformation in that they are sources and sinks of point defects.
- The original concentration of solute around the grain boundary will be asymmetrical in most cases.
- Like a grain boundary, a twin boundary has different crystal orientations on its two sides.
- Since grain boundaries are defects in the crystal structure they tend to decrease the creep.
- Grain boundaries are generally only a few nanometers wide.
- This decrease in net chemical potential will decrease the grain boundary velocity and therefore grain growth.
- In order to minimize the effect on properties, grain boundaries are aligned parallel to the dendrites.
- During grain boundary migration, the rate determining step depends on the angle between two adjacent grains.
- This reduces the total area of grain boundary and hence the stored energy in the material.
- Manganese sulfide inclusions have a higher melting point and do not concentrate at the grain boundaries.
- In a two-dimensional isotropic material the grain boundary tension would be the same for the grains.
- Selective leaching often involves grain boundary depletion mechanisms.
- Densification is only achieved at temperatures above 1800 �C once grain boundary diffusion mechanisms become active.
- These include recombination at defects and grain boundaries.
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