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What is defects in crystals?
Defects in crystals refer to imperfections in the orderly arrangement of atoms within a crystalline structure. These defects can take various forms, including point defects (such as vacancies and interstitials), line defects (like dislocations), and surface defects (such as grain boundaries). They significantly influence the material's physical properties, including strength, electrical conductivity, and optical characteristics, ultimately affecting its performance in various applications. Understanding and controlling these defects is crucial in materials science and engineering.
Where defects can occur in crystal structures?
Within a crystal there are point defects and line defects; point defects are missing or extra lattice points within the crystal lattice (vacancies or interstitials), line defects may be due to an 'extra' half lattice plane within the crystal. The end of a line defect plane is known as an edge dislocation, screw dislocations occur where part of a crystal is displaced over one lattice direction and is therefore twisted. Dislocation loops can occur where an edge and a screw dislocation intersect.
Which point defect lowers the density of crystals?
Any change in the configuration of the lattice of the crystal which causes the crystal structure to deviate from the ideal structure is called a crystal structure. It is of the following types - Point defects Line defects Surface defects volume defects
What is the weakness of celcom?
unstable line
Why do the crystals in gneiss line up like bands?
they line up like that because i said to do it
Why do the crystals in gneiss line up in bands?
rast ts
How does water mix in under floor heating systems?
A thermally controlled mixing valve is connected between the hot supply line and the return line, tempering the hot supply with the cooler return water.
Do you need to have a seed crystal to make other crystals?
No you can make some crystals with table salt by making a saturated solution look how to do it on line
What are the defects of plastics?
Common defects of plastics include warping, cracking, shrinking, and surface blemishes. These defects can occur due to factors such as improper cooling during molding, poor material selection, or inadequate design. Proper processing techniques and quality control measures are essential to minimize these defects.
What are general defects in broiler chickens?
Broiler chickens are highly line bred. Heat defects are the most common. Some have the incorrect number of toes. They are also prone to intestinal deformities.
What is a restoring mechanism?
The restoration mechanisms in metals are either dynamic recovery or dynamic recrystallization. These help to modify the microstructure by arranging line defects (dislocations) into surface defects (boundaries) thus ineffect reducing their spacing, and refining the microstructure.
Why won't rock candy grow on a nylon line?
It may be that the nylon is to smooth to provide a platform for the crystals to form.
