List of top Metallurgical Engineering Questions on Material Science

Permanent magnets are made of:
Interplanar spacing between parallel planes can be determined by:
Thin sheets of ceramic material is produced by:
Which one of the following is used as solder in an electronic industry?
Reinforcing material which possesses highest tensile strength from the following is:
Choose the correct statement(s) in the context of fusion welding of austenitic stainless steel containing about 0.06 wt.% carbon.
Match Column I with Column II.
Column I
(P) Gallium arsenide
(Q) Barium titanate
(R) Iron - 4 wt.% silicon
(S) Yttrium-barium-copper oxide
Column II
(1) Superconductor
(2) Soft magnetic material
(3) Semiconductor
(4) Piezoelectric material
When cracks propagate in a brittle material, the following option(s) is/are correct
Diamond has low
For self-diffusion in polycrystalline copper with a lattice diffusion coefficient D\(_L\), grain boundary diffusion coefficient D\(_{GB}\), and surface diffusion coefficient D\(_S\), the correct relationship is