sintering
Technical term in materials science and engineering: heating powdered material below its melting point to bond particles into a solid mass.
Ceramic parts are made by sintering.
If the sintering temperature is too high, the material will melt.
electric current sintering
Compound of 焼 (しょう, 'burning, firing') and 結 (けつ, 'binding, joining'), referring to the process of bonding particles by heating.