Recent content by yrtsimehc

Forgot to include this link: https://e-reports-ext.llnl.gov/pdf/242911.pdf In this paper, the authors tested the properties of the al2o3 aerogel they synthesized, but not much over 1000 C. They mention that some sintering did occur at the upper bounds, which has me concerned that exposure...

I'm interested in building a forge, mainly for flux crystallization of corundum (ruby/sapphire), but I want it to be versatile. General Requirements: Withstand temperatures up to 1400 C (2550 F) for months at a time (crystallization can have very slow kinetics) Walls with a thermal...