Rhodium

  • Rhodium pellet
  • Rhenium target

Product Details

Rhodium Introduction

The resistance coefficient of rhodium wire is 4.67 x 10-2Ω·mm2/m, tensile strength is 726MPa, and the elongation is 46%.The argon gas of high frequency furnace is used to protect melting. The Rhodium wire is processed into 0.02mm filament by melting, remelting 2~3 times, bottom pouring, hot processing and cold processing in the protection of high frequency furnace argon. It is a good high temperature thermocouple material. The temperature stability of Rh - PtRh20 thermocouple is good, it doesn’t need stringent cold junction compensation. Operating temperature is 1800 ℃. There are also Rh-PtRe8 and Rh-Rh Re8.

Chemical Properties

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 material

rhodium wire - rhodium alloy wire - rhodium sheet - rhodium rod - rhodium ingot - rhodium pellet - rhodium alloy.


The relationship between rhodium electrical resistivity and temperature
The Elastic Data of Rhodium
T/℃ E/GPa νD G/GPa νE/G
25 525.5 0.254 218.2 0.204
200 507.4 0.260 209.9 0.209
400 483.6 0.261 199.4 0.213
500 472.7 0.265 194.3 0.216
600 461.2 0.268 189.5 0.217
700 450.5 0.271 184.5 0.221
800 439.9 0.275 179.7 0.224
900 429.5 0.279 174.9 0.228
1000 417.5 0.281 170.3 0.226
1100 406.1 0.279 - -
1200 394.4 0.286 - -
1300 384.2 0.309 - -

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