Fatigue performances of helicopter gears-Reference-Cited by-同舟云学术

Fatigue performances of helicopter gears

Published:2023-01-01 Issue:1 Volume:65 Page:52-62
ISSN:0025-5300
Container-title:Materials Testing
language:en
Short-container-title:

Author:

Kalay Onur Can¹,Yuce Celalettin¹,Doğan Oğuz²,Yılmaz Tufan Gürkan³,Karpat Esin⁴,Kopmaz Osman¹,Karpat Fatih¹

Affiliation:

1. Department of Mechanical Engineering , Bursa Uludag University , 16059 , Bursa , Turkey

2. Department of Mechanical Engineering , Kahramanmaras Sutcu Imam University , 46040 , Kahramanmaras , Turkey

3. Orhangazi Yeniköy Asil Çelik Vocational School , Bursa Uludag University , Bursa , Turkey

4. Department of Electrical and Electronics Engineering , Bursa Uludag University , 16059, Bursa , Turkey

Abstract

Abstract Gears are widely used machine elements to transmit power and motion in the industry. During the power transmission, the gears are subjected to cyclic loads. Thus the fatigue resistance of the gears should be deeply investigated. In particular, this issue is gaining much more importance in the space and aviation fields. In this study, the fatigue life of gears made of 9310-VIM-VAR steel used in the aviation field was determined experimentally, and the crack propagation paths obtained were numerically verified. To this end, the SAE J1619 standard single-tooth bending fatigue test apparatus was redesigned and manufactured in order to adapt it to the helicopter gears. Totally 28 single-tooth bending fatigue tests were carried out for various loading conditions. Accordingly, the S–N curves for the helicopter gears were created. The experimental results were verified by the finite element fatigue crack propagation analysis in terms of the initial crack location, crack initialization angle, and crack propagation paths. Conducted experiments and numerical studies are found as compatible with each other.

Funder

Turkish Aerospace Inc.

Publisher

Walter de Gruyter GmbH

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science

Link

https://www.degruyter.com/document/doi/10.1515/mt-2022-0255/pdf

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