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RD-33发动机叶片加速运行磨损的材料根源

Material Origins of the Accelerated Operational Wear of RD-33 Engine Blades.

作者信息

Kozakiewicz Adam, Jóźwiak Stanisław, Jóźwiak Przemysław, Kachel Stanisław

机构信息

Faculty of Mechatronics, Armament and Aerospace, Institute of Aviation Technology, Military University of Technology, 00-908 Warszawa, Poland.

Faculty of Advanced Technology and Chemistry, Institute of Materials Science and Engineering, Military University of Technology, 00-908 Warszawa, Poland.

出版信息

Materials (Basel). 2021 Jan 11;14(2):336. doi: 10.3390/ma14020336.

DOI:10.3390/ma14020336
PMID:33440784
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7827630/
Abstract

The structural and strength analysis of the materials used to construct an important engine element such as the turbine is of great significance, at both the design stage and during tests and training relating to emergency situations. This paper presents the results of a study on the chemical composition, morphology, and phased structure of the metallic construction material used to produce the blades of the high- and low-pressure turbines of the RD-33 jet engine, which is the propulsion unit of the MiG-29 aircraft. On the basis of an analysis of the chemical composition and phased structure, the data obtained from tests of the blade material allowed the grade of the alloy used to construct the tested elements of the jet engine turbine to be determined. The structural stability of the material was found to be lower in comparison with the engine operating conditions, which was shown by a clear decrease in the resistance properties of the blade material. The results obtained may be used as a basis for analyzing the life span of an object or a selection of material replacements, which may enable the production of the analyzed engine element.

摘要

对用于制造诸如涡轮等重要发动机部件的材料进行结构和强度分析，在设计阶段以及与紧急情况相关的测试和训练期间都具有重要意义。本文介绍了一项关于用于制造RD - 33喷气发动机高压和低压涡轮叶片的金属结构材料的化学成分、形态和相结构的研究结果，RD - 33喷气发动机是米格 - 29飞机的推进装置。基于对化学成分和相结构的分析，从叶片材料测试中获得的数据使得能够确定用于制造喷气发动机涡轮测试部件的合金等级。结果发现，与发动机运行条件相比，材料的结构稳定性较低，这表现为叶片材料的抗性性能明显下降。所获得的结果可作为分析物体寿命或选择材料替代品的基础，这可能有助于生产所分析的发动机部件。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/caa3/7827630/ceafb0a10569/materials-14-00336-g019.jpg
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