New strategy to improve the overall performance of single-crystal superalloys by designing a bimodal γ′ precipitation microstructure
W Xia, X Zhao, J Wang, Q Yue, Y Cheng, L Kong… - Acta Materialia, 2023 - Elsevier
Advanced single-crystal superalloys, developed to improve the high temperature capability
of gas turbines, often underperform in low-temperature conditions. This limitation …
of gas turbines, often underperform in low-temperature conditions. This limitation …
The effect of chromium and cobalt segregation at dislocations on nickel-based superalloys
The segregation of solutes at dislocations in a polycrystalline and a single crystal nickel-
based superalloy is studied. Our observations confirm the often assumed but yet unproven …
based superalloy is studied. Our observations confirm the often assumed but yet unproven …
A microstructure-sensitive constitutive modeling of the inelastic behavior of single crystal nickel-based superalloys at very high temperature
JB Le Graverend, J Cormier, F Gallerneau… - International Journal of …, 2014 - Elsevier
The prediction of the viscoplastic behavior of nickel-based single crystal superalloys
remains a challenging issue due to the complex loadings encountered in aeronautical …
remains a challenging issue due to the complex loadings encountered in aeronautical …
[HTML][HTML] 先进镍基单晶高温合金组织稳定性及力学行为的研究进展
金涛， 周亦胄， 王新广， 刘金来， 孙晓峰， 胡壮麒 - 金属学报, 2015 - jcscp.org
摘要从先进镍基单晶高温合金的微观组织稳定性和力学行为2 个方面, 简要介绍了γ'相筏化, TCP
相析出, 高温和超高温低应力蠕变以及低周和热机械疲劳的主要研究进展. 合金元素Ru …
相析出, 高温和超高温低应力蠕变以及低周和热机械疲劳的主要研究进展. 合金元素Ru …
[HTML][HTML] 航空发动机涡轮叶片超温服役损伤的研究进展
赵云松， 张迈， 郭小童， 郭媛媛， 赵昊， 刘砚飞， 姜华… - 材料工程, 2020 - html.rhhz.net
涡轮叶片是航空发动机的核心热端部件之一, 其安全服役对航空发动机的正常运行至关重要.
当发动机遭遇非正常工况时, 涡轮叶片的服役温度可能急剧上升并超过正常工作允许温度 …
当发动机遭遇非正常工况时, 涡轮叶片的服役温度可能急剧上升并超过正常工作允许温度 …
Strain effect on the γ′ dissolution at high temperatures of a nickel-based single crystal superalloy
R Giraud, Z Hervier, J Cormier, G Saint-Martin… - … materials transactions A, 2013 - Springer
The kinetics of the γ′ phase dissolution have been studied at 1473 K and 1523 K (1200° C
and 1250° C) for CMSX-4® alloy. Interrupted creep tests at 1323 K (1050° C) and pure …
and 1250° C) for CMSX-4® alloy. Interrupted creep tests at 1323 K (1050° C) and pure …
Effect of γ′ precipitate size on hardness and creep properties of Ni-base single crystal superalloys: experiment and simulation
The role and effect of γ′ precipitate size on the mechanical properties of Ni-base single
crystal superalloy is investigated. The underlying mechanisms are analyzed on the one …
crystal superalloy is investigated. The underlying mechanisms are analyzed on the one …
Creep and Tensile Behavior of a Nickel-Based Single Crystal Superalloy With a Bimodal γ′ Precipitation
High temperature aircraft engines components made from single crystal nickel-based
superalloys typically have homogenous γ/γ′ microstructure after conventional solution and …
superalloys typically have homogenous γ/γ′ microstructure after conventional solution and …
[HTML][HTML] Linear friction welding of AD730™ Ni-base superalloy: Process-microstructure-property interactions
F Masoumi, D Shahriari, H Monajati, J Cormier… - Materials & Design, 2019 - Elsevier
Linear friction welding (LFW) is a near net shape solid state joining technology for
aerospace applications. In this study LFW of a recently introduced Ni-based superalloy …
aerospace applications. In this study LFW of a recently introduced Ni-based superalloy …
Effect of Ru additions on very high temperature creep properties of a single crystal Ni-based superalloy
The creep deformation of three single crystal Ni-based superalloys with various Ru contents
has been investigated to clarify the effect of Ru additions at very high temperatures and low …
has been investigated to clarify the effect of Ru additions at very high temperatures and low …