TY - GEN
T1 - Enhanced Mechanical Properties of High Temperature Titanium Alloy Components by Fast Gas Forming with In-Die Quenching
AU - Chen, Wentao
AU - Dang, Kexin
AU - Wang, Kehuan
AU - Liu, Gang
N1 - Publisher Copyright:
© 2024, The Author(s), under exclusive license to Springer Nature Switzerland AG.
PY - 2024
Y1 - 2024
N2 - In this paper, Fast Gas Forming with in-die Quenching (FGFQ) of TC31 thin-walled components was developed to integrate gas forming and heat treatment together. This forming process consists of rapid resistance heating, fast gas forming, and in-die quenching. The heating rate and pressurization rate can reach up to 30 ℃/s and 20 MPa/s respectively. The whole forming cycle takes less than one minute, which can significantly improve the forming efficiency. The component possesses the best mechanical properties at the forming temperature of 1040 ℃ and the pressure of 15 MPa. The ultimate tensile strength of the component could reach up to 1292 and 837 MPa respectively at room temperature and 650 ℃, which are improved by 18.2% and 29.8% compared with the initial state. Moreover, the elongation of 11.2% and 16.5% could also remain. The rapid resistance heating and fast gas forming can effectively prevent prior β grains from coarsening during the forming process, which results in the formation of high-density fine martensite and therefore enhance the post-form strength. Also, the refinement of the martensite contributes to the great ductility.
AB - In this paper, Fast Gas Forming with in-die Quenching (FGFQ) of TC31 thin-walled components was developed to integrate gas forming and heat treatment together. This forming process consists of rapid resistance heating, fast gas forming, and in-die quenching. The heating rate and pressurization rate can reach up to 30 ℃/s and 20 MPa/s respectively. The whole forming cycle takes less than one minute, which can significantly improve the forming efficiency. The component possesses the best mechanical properties at the forming temperature of 1040 ℃ and the pressure of 15 MPa. The ultimate tensile strength of the component could reach up to 1292 and 837 MPa respectively at room temperature and 650 ℃, which are improved by 18.2% and 29.8% compared with the initial state. Moreover, the elongation of 11.2% and 16.5% could also remain. The rapid resistance heating and fast gas forming can effectively prevent prior β grains from coarsening during the forming process, which results in the formation of high-density fine martensite and therefore enhance the post-form strength. Also, the refinement of the martensite contributes to the great ductility.
KW - Fast gas forming with in-die quenching
KW - High temperature titanium alloy
KW - Resistance heating
KW - Strengthening mechanism
UR - https://www.scopus.com/pages/publications/85173586727
U2 - 10.1007/978-3-031-40920-2_74
DO - 10.1007/978-3-031-40920-2_74
M3 - 会议稿件
AN - SCOPUS:85173586727
SN - 9783031409196
T3 - Lecture Notes in Mechanical Engineering
SP - 707
EP - 713
BT - Proceedings of the 14th International Conference on the Technology of Plasticity - Current Trends in the Technology of Plasticity - ICTP 2023 - Volume 2
A2 - Mocellin, Katia
A2 - Bouchard, Pierre-Olivier
A2 - Bigot, Régis
A2 - Balan, Tudor
PB - Springer Science and Business Media Deutschland GmbH
T2 - 14th International Conference on Technology of Plasticity, ICTP 2023
Y2 - 24 September 2023 through 29 September 2023
ER -