Investigation of Residual Stresses during Processing of GTE Blades with Microbeads

Nikolay V. Nosov; Yuri I. Kurguzov; Dmitry A. Lyushnya

doi:10.4028/www.scientific.net/MSF.1037.547

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Influence of the Structural State of Titanium Alloy on the Depth of Penetration of Ions during Implantation
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Investigation of Residual Stresses during Processing of GTE Blades with Microbeads
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HomeMaterials Science ForumMaterials Science Forum Vol. 1037Investigation of Residual Stresses during...

Investigation of Residual Stresses during Processing of GTE Blades with Microbeads

Abstract:

A method for determining the residual stress through the deformation of a witness sample during pneumatic blasting of gas turbine engine parts with microbeads is proposed. During the study, the processing modes and the diameter of the microbeads were changed. It is shown that with an increase in the diameter of the micro-ball from 0.3 mm to 0.7 mm, the deformation of the samples increased by 2 times, and with an increase in the speed of their movement from 70 m/s to 90 m/s by 50 %. The mechanism of formation of residual stresses and deformations of the treated surface of the witness sample is proposed.

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Periodical:

Materials Science Forum (Volume 1037)

Pages:

547-551

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.1037.547

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Online since:

July 2021

Authors:

Nikolay V. Nosov, Yuri I. Kurguzov, Dmitry A. Lyushnya*

Keywords:

Air Shot Peening Treatment, Almen Strip, Hardening Treatment, Microbeads, Residual Stress

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