Silicon Carbide (SiC) vs Tungsten Carbide (WC) differences summary (used as mechanical seal faces)

[Arshad Ahamed]

Greetings All,

Can you help me summarize/tabulate the differences between SiC and WC w.r.to the below points
1. Thermal Conductivity
2. Thermal Expansion
3. Co-efficient of Friction
4. Hardness
5. Cost?

It would be highly appreciated if you could list the differences by quoting values so that the audience (this is for a presentation work, I have tried researching online but the data available is confusing, plus I have to work on other aspects of the ppt) can relate to the superiority of SiC over WC as seal material.

Thank you!

Be curious, and furious in your pursuit for answers

 

[3DDave]

1 & 2 see matweb
3 friction requires knowing the mating material
4 see matweb
5 shape and size and finish/roughness are larger drivers of cost than the raw material