Oxidation behavior and oxidation kinetics of film cooling holes at different inclination angles of a Ni-based single-crystal blade

被引：2
|
作者：
Zhang, Dongxu [1 ]
Xin, Zhenyu [1 ]
Lv, Menghui [1 ]
Pei, Haiqing [2 ]
Wen, Zhixun [2 ]
机构：
[1] Shaanxi Univ Sci & Technol, Coll Mech & Elect Engn, Xian 710021, Peoples R China
[2] Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710072, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T | 2024年 / 33卷
基金：
中国国家自然科学基金;
关键词：
Ni-based single crystal; Film cooling holes; Oxidation kinetics; Oxidation behavior; Different inclination angles; EDM technology; BARRIER COATING SYSTEM; ALLOYING ELEMENTS; CYCLIC OXIDATION; DEGREES-C; SUPERALLOY; MECHANISM; TECHNOLOGY; LIFETIME; MODEL;
D O I：
10.1016/j.jmrt.2024.09.060
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper examines the high-temperature oxidation behavior of Ni-based single-crystal turbine blade film cooling holes with varying inclination angles. Utilizing the theory of oxidation kinetics, the concept of an angle influence factor is introduced, and a novel oxidation kinetic equation is formulated. This allows for precise prediction of the oxide/gamma '-free layer thickness in film cooling holes across different inclination angles throughout the oxidation process. It offers a new benchmark for future lifespan prediction models, significantly impacting the assessment of the operational life of air-cooled single crystal blades.
引用
收藏
页码：79 / 92
页数：14
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