Restoration of Aircraft Gas Turbine Engine Titanium Compressor Blades by Laser Surfacing

Gorunov A. I.

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Restoration of Aircraft Gas Turbine Engine Titanium Compressor Blades by Laser Surfacing

机译：通过激光表面恢复飞机燃气轮机钛压缩机叶片

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A procedure and proposed recommendations are developed for restoring VT8 titanium aircraft gas turbine engine compressor blades using powder surfacing with a fiber laser. A procedure is suggested for restoring defective sections and building up titanium blade vane elements on the example of alloy VT8 using powder materials PTOM-1 and VT25U. It is shown that a pulsed laser operating regime during surfacing and minimization of surfacing layer thickness reduces the time for metal in an overheated condition, which ensures a reduction in the possibility of crack and pore formation, and also formation of a coating ultrafine structure.

机译：制定了一个程序和拟议的建议，用于使用粉末表面与光纤激光器恢复VT8钛航空器燃气轮机压缩机刀片。建议使用粉末材料PTOM-1和VT25U在合金VT8的示例下构建缺陷部分和构建钛叶片叶片元件的过程。结果表明，在表面上的脉冲激光器操作和表面层厚度最小化的情况下减少了过热状态的金属的时间，这确保了裂纹和孔形成的可能性，以及形成涂层超细结构。

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来源
《Metallurgist》 |2017年第6期|共7页
作者
Gorunov A. I.;
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作者单位

Kazan Natl Res Tech Univ KAI Kazan Russia;

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原文格式 PDF
正文语种 eng
中图分类冶金工业;
关键词
laser surfacing; hardness; titanium alloy; microstructure; compressor blade;

机译：激光表面;硬度;钛合金;微观结构;压缩机刀片;

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专利

1. Restoration of Aircraft Gas Turbine Engine Titanium Compressor Blades by Laser Surfacing [J] . Gorunov A. I. Metallurgist . 2017,第5a6期

机译：通过激光表面恢复飞机燃气轮机钛压缩机叶片
2. Variations of Static Loading in Single-Crystal Turbine Blades of Aircraft Gas Turbine Engines in the Course of Prolonged Service [J] . N. P. Velikanova, A. S. Kiselev Russian Aeronautics . 2011,第3期

机译：长期使用过程中飞机燃气涡轮发动机的单晶涡轮叶片静载荷的变化
3. ANALYSIS OF THE EXISTING METHODS OF CLEANING TURBINE BLADE SURFACES IN GAS TURBINE ENGINES [J] . Omair Alhatim High Temperature Material Processes . 2016,第1期

机译：燃气轮机中涡轮叶片表面清洁的现有方法分析
4. Titanium Forming Forging of titanium compressor blades for modern aircraft engines - process alternatives [C] . Christof Merten, Hartmut Kussmaul International Conference on New Developments in Forging Technology . 2013

机译：用于现代飞机发动机的钛压缩机刀片锻造的钛 - 过程替代品
5. Numerical Investigations of Bio-Inspired Blade Designs to Reduce Broadband Noise in Aircraft Engines and Wind Turbines [D] . Bodling, Andrew Lee. 2019

机译：生物启发叶片设计的数值研究，减少飞机发动机和风力涡轮机宽带噪声
6. Prediction of Fatigue Crack Growth in Gas Turbine Engine Blades Using Acoustic Emission [O] . Zhiheng Zhang, Guoan Yang, Kun Hu 2018

机译：基于声发射的燃气轮机叶片疲劳裂纹扩展预测
7. Investigation of the microstructure and mechanical properties of the aircraft engine compressor blades made from the titanium alloy with submicrocrystalline structure [O] . S. P. Malysheva 2014

机译：用亚晶体结构由钛合金制成的飞机发动机压缩机叶片的微观结构和力学性能研究
8. Investigation of turbines suitable for use in a turbojet engine with high compressor pressure ratio and low compressor-tip speed IV : effect of increasing blade speed on velocity diagrams of turbine for engine operation at constant rotative speed [R] . Davison, Elmer H, English, Robert E 1952

机译：适用于具有高压缩机压力比和低压缩机叶尖速度的涡轮喷气发动机的涡轮机的研究IV：在恒定转速下增加叶片速度对涡轮机速度图的影响

Restoration of Aircraft Gas Turbine Engine Titanium Compressor Blades by Laser Surfacing

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