Dr. John Siefert

Electric Power Research Institute
Charlotte, NC
USA 28269

Papers:

Effect of manufacturing process parameters on long-term microstructural evolution and accumulation of creep damage in Grade 91 material
Updated evaluation of creep damage tolerance in THOR® 115 parent material and weldments
Creep ductility of 9Cr creep strength enhanced ferritic steels – Part II, microstructural observations
Creep ductility of 9Cr creep strength enhanced ferritic steels – Part I, structural response
Weldability Evaluation of Computationally Designed Filler Wires for Wire-Arc Additive Manufacturing of Functionally Graded Materials in Harsh Service Environments
Creep Crack Growth of Interrupted High and Low Creep Ductility Grade 91 Steel
The Effect of Post Weld Heat Treatment on the Microstructure and Creep Damage Susceptibility in Grade 92 Steel
Assessment of a Grade 91 Steel Forging and Seamless Pipe Section after 141,000-hours of Operation in a Superheat Outlet Header
Ferritic Steel / CSEF - An Engineering Approach For Weld Creep Lifetime Assessment based on Local Property Measurement
Understanding the kinetics of sigma phase evolution in Super 304H using lab creep tested heats and long-term service aged components
Root causes regarding widespread cracking in tee fittings
Alternative weld repairs in low alloy grade 22 steel