The resistance coefficient of rhodium wire is 4.67 x 10-2Ω·mm2/m, tensile strength is 726MPa, and the elongation is 46%.Using the argon gas of high frequency furnace to protect melting, remelting 2 ~ 3 times, bottom pouring, hot processing - cold processing into 0.02mm filament.It is a good high temperature thermocouple material.Rh - PtRh20 thermocouple temperature stability is good, without the need for stringent cold junction compensation, temperature 1800 ℃.There are also rh-ptre8 and rh-rh Re8.
Volume modulus of elasticity: GPa 380.
Atomization enthalpy: 556.5 kJ/mol, @ 25 ℃
Heat capacity: 24.98.J/(mol· K)
Electrical conductivity: 0.211 10 ^ (6)/(cm Ω)
rhodium wire - rhodium alloy wire - rhodium sheet - rhodium rod - rhodium ingot - rhodium pellet - rhodium alloy.