An example of amorphous material is
Amorphous material is one in which there is no definite atomic structure and atom exist in a random pattern just as in a liquid.
The crystal structure of brass is
Which is false statement about properties of aluminium?
Crystal structure of metals is studied by
In structure, all metals are
Dislocation in a material is a _____ defect.
Line imperfections are known as dislocations.
The co-ordination number of BCC crystal structure is
What is the volume of an FCC cell in terms of the atomic radius R?
From the right angle on the face,
a2 + a2 = (4 R)2
∴ 2 a2 = 16 R2
Volume of FCC unit,
The ratio of long and short unit cell dimensions of ideal HCP crystal structure should be
For the ideal HCP packing, the ratio of c/a is i.e. 1.633. The actual HCP metals deviate from ideal c/a ratio.
Which of the following is structure sensitive property?
Structure sensitive properties: Electrical conductivity, semiconductor properties, yield stress, fracture strength, creep strength.