[Material] fresnel shader

 

[Material:pyro] Color chart for the Steel Temperature by Naked Eye

■Color chart for the Steel Temperature by Naked Eye

http://warehamforgeblog.blogspot.com/2010/01/on-fires-colours-and-fuels.html

https://www.hanrm.com/determine-steel-temperature-naked-eye/

[Material:Arnold] Houdini to Arnold Shader Creation

https://www.youtube.com/watch?v=1zsoC1B-l7I

[Material] Arnold Material Library in Houdini

https://docs.arnoldrenderer.com/display/A5AFHUG/Material+Library

[Material_test] Add bump and displacement on the principled shader core

I tested bumps and displacement in the principled shader core. 
hip:https://drive.google.com/file/d/1UmrMuPRPJjgUy3og1iO4IUKRWFW_cAT-/view?usp=sharing

I referenced several HP. It's big help for me.
https://www.sidefx.com/forum/topic/49305/?page=1#thumbs-up
https://www.sidefx.com/forum/topic/15611/?page=1#post-73669