support from the National Natural Science Foundation of China(Nos.52171107,52201203);the Hebei Provincial Natural Science Foundation,China(No.E2021501026);the National Natural Science Foundation of China-Joint Fund of Iron and Steel Research(No.U1960204).
The novel Co-based superalloys are extensively used in gas-powered and jet engine turbines due to their excellent high-temperature performance, achieved by strengthening the L12-γ′ ordered phase. This review present...
National Natural Science Foundation of China(52222202);National Key R&D Program of China(2022YFB3707700);Project of Shanghai Science and Technology Innovation Action Plan(21511104800);Shanghai Pilot Program for Basic Research-Chinese Academy of Science,Shanghai Branch(JCYJ-SHFY-2021-001);Science Center for Gas Turbine Project(P2022-B-Ⅳ-001-001)。
Silicon-carbide-fiber-reinforced silicon-carbide-ceramic-based matrix(SiC/SiC)composites possess excellent properties such as low density,high strength and high temperature resistance,showing a potential application f...
supported by the National Key R&D Program of China(No.2018YFB0704400);the Shanghai Technical Platform for Testing Inorganic Materials(No.19DZ2290700).
High-entropy borides(HEBs)are unable to serve in environments above 1800℃because of their poor oxidation resistance,which severely limits the application of these materials in ultra-high temperature environments.To s...
supported by the Hebei Natural Science Foundation(E2023502105);the China Postdoctoral Science Foundation(2023M741155);the Fundamental Research Funds for the Central Universities(JB2023030).
The oxidation behavior of 316L austenitic steel after thermal aging process at 600℃for 6 h was investigated in the supercritical water(600℃/25 MPa)with 1000 h.Results showed that the grain size and the proportion of...
supported by the National Key Research and Development Program of China(No.2021YFB3701100);the National Key Research and Development Program of China(No.2016YFB0301105);the Applied Basic Research Program Project of Liaoning Province of China(No.2023020253-JH2/1016);the Key Research and Development Plan of Shanxi Province(No.202102050201005);the Dongguan Innovative Research Team Program(No.2020607134012).
In this paper,the isothermal oxidation experiments were used to study the effect of Ag on the high-temperature oxidation behavior of Mg-6.5Gd-5.6Y-0.1Nd-0.01Ce-0.4Zr(wt%)alloy oxidized at 350℃,400℃ and 450℃ for 120...
Supported by Preliminary Research Project of China (Grant No. J2019-Ⅵ-0023)
The effect of yttrium(Y)addition on the oxidation behavior of a Ni-based directionally solidified single-crystal superalloy is investigated in this study.Isothermal oxidation tests for samples with different levels of...
support from the National Natural Science Foundation of China(No.12204254);the Natural Science Foundation of Zhejiang Province(No.LQ23A040005);the Program for Science and Technology Innovation Team in Zhejiang(No.2021R01004);support from the Technical University of Darmstadt,Germany.Zhaoju Yu thanks the Natural Science Foundation of China(Nos.51872246 and 52061135102)for financial support.
The preparation of dense Si_(3)N_(4)-based ceramics has attracted great attention because of the achievable improvements in their mechanical properties and high-temperature oxidation resistance.In this work,advanced d...
financially supported by the National Key R&D Program of China(No.2021YFB3704000);the National Natural Science Foundation of China(Nos.52074032,51974029,52071013,and 52130407);the Beijing Natural Science Foundation(No.2232084);the Guangdong Basic and Applied Basic Research Foundation(No.2021B1515120033);the 111 Project(No.B170003);the Basic and Applied Basic Research Fund of Guangdong Province,China(No.BK20BE015).
The structure of the oxide film on FGH96 alloy powders significantly influences the mechanical properties of superalloys.In this study,FGH96 alloy powders with various oxygen contents were investigated using high-reso...
Project(cstb2022nscq-msx0801)supported by the Natural Science Foundation of Chongqing,China;Project(52004044)supported by the National Natural Science Foundation of China;Project(ckrc2022030)supported by the Foundation of Chongqing University of Science and Technology,China;Project(YKJCX2220216)supported by the Graduate Research Innovation Project of Chongqing University of Science and Technology,China;Project(202311551007)supported by the National Undergraduate Training Program for Innovation and Entrepreneurship,China。
The oxidation behavior of ferrovanadium spinel(FeV_(2)O_(4)),synthesized via high-temperature solid-state reaction,was investigated using thermogravimetry,X-ray diffractometry,and X-ray photoelectron spectroscopy over...
supported by the National Natural Science Foun-dation of China(NSFC)under Grant No.52071113.
In this work,possible short-term thermal exposure oxidation in hot processing including semi-solid processing is focused.We aim to investigate the short-term oxidation behavior of a novel powder metallurgy Al_(0.8)Co_...