Failure of Aluminum Tubing in the Ornl 86-Inch Cyclotron.

The use of the slow strain rate technique for the evaluation of structural materials for application in high-temperature gaseous environments

“…Thus, no evidence of cracking was found in the initial examination of Type 347 top closure flanges or inlet nozzles to the dissolver vessel in the Solvent Refined Coal plant operated at 525®C(975®F) at a pressure of 21 MPa(3000 psi) [10].…”