TY - GEN
T1 - Precipitation characteristics of gamma prime precipitate in rene 65
AU - Katsari, C. M.
AU - Che, H.
AU - Turner, B.
AU - Wessman, A.
AU - Yue, S.
N1 - Publisher Copyright:
© Copyright 2017 MS&T17®.
PY - 2017
Y1 - 2017
N2 - Superalloys have been used for many years in the aerospace industry due to their excellent creep performance in high temperature and high stress environments. The precipitation that contributes to creep resistance also increases the strength; however, this gives rise to thermomechanical processing issues. Therefore, the ultimate goal of this work is to understand the precipitation characteristics in order to design heat treatments that make thermomechanical processing easier without compromising the final microstructure and properties. The main precipitate that was examined was the gamma prime phase (γ') [Ni3 (Al,Ti)], which largely determines the mechanical properties of the alloy. The γ' was found to form in three different sizes; primary, secondary and tertiary. The differences in the volume fraction and morphology of each precipitate type was noted and the relationship between heat treatment and precipitates will be discussed.
AB - Superalloys have been used for many years in the aerospace industry due to their excellent creep performance in high temperature and high stress environments. The precipitation that contributes to creep resistance also increases the strength; however, this gives rise to thermomechanical processing issues. Therefore, the ultimate goal of this work is to understand the precipitation characteristics in order to design heat treatments that make thermomechanical processing easier without compromising the final microstructure and properties. The main precipitate that was examined was the gamma prime phase (γ') [Ni3 (Al,Ti)], which largely determines the mechanical properties of the alloy. The γ' was found to form in three different sizes; primary, secondary and tertiary. The differences in the volume fraction and morphology of each precipitate type was noted and the relationship between heat treatment and precipitates will be discussed.
KW - Gamma prime
KW - Heat-treatment
KW - Nickel-based superalloy
KW - Precipitation
UR - http://www.scopus.com/inward/record.url?scp=85047628701&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85047628701&partnerID=8YFLogxK
U2 - 10.7449/2017/MST-2017-1375-1381
DO - 10.7449/2017/MST-2017-1375-1381
M3 - Conference contribution
AN - SCOPUS:85047628701
T3 - Materials Science and Technology Conference and Exhibition 2017, MS and T 2017
SP - 1375
EP - 1381
BT - Materials Science and Technology Conference and Exhibition 2017, MS and T 2017
PB - Association for Iron and Steel Technology, AISTECH
T2 - Materials Science and Technology Conference and Exhibition 2017, MS and T 2017
Y2 - 8 October 2017 through 12 October 2017
ER -