Influence of laser shock peening modes on the physical and mechanical properties of the surface layer of the D16 aluminum alloy

Authors

  • Korolev Daniil Dmitrievich Moscow Aviation Institute (National Research University)
  • Kozhevnikov Gleb Denisovich Moscow Aviation Institute (National Research University)
  • Tokachev Danila Aleksandrovich Moscow Aviation Institute (National Research University)
  • Lyakhovetsky Maksim Aleksandrovich Moscow Aviation Institute (National Research University)

Keywords:

laser shock peening, surface plastic deformation, aluminum, reliability

Abstract

The effect of laser shock peening modes on the physical and mechanical properties of the surface layer of the D16 aluminum alloy was investigated. Experiments were carried out with different values of laser radiation intensity and with fixed values. The dependences of the maximum deformations and microhardness in the center of the spot on the radiation intensity are obtained. The effect of increasing the laser radiation energy on the plasma expansion process is investigated. As a result, “critical points” were found, after which the nature of the dependences of microhardness and maximum deformations on the intensity of laser radiation changes. It is also concluded that the application of the Fabbro model to simulate the process of laser shock peening with the available assumptions is unreliable

Author Biographies

Korolev Daniil Dmitrievich, Moscow Aviation Institute (National Research University)

postgraduate student at Department 205 “Technology of production of aircraft engines” of MAI. Diploma of Design Engineer (MAI, 2020). Prepares a dissertation on the topic “Research and development of the laser shock peening technology to increase the endurance of GTE and PP parts”

Kozhevnikov Gleb Denisovich, Moscow Aviation Institute (National Research University)

postgraduate student at Department 205 “Technology of production of aircraft engines” of MAI. Diploma of Engineer (MAI, 2022). Prepares a dissertation on the topic “Development of a methodology for determining the optimal modes and strategies of laser shock peening using numerical modeling”

Tokachev Danila Aleksandrovich, Moscow Aviation Institute (National Research University)

student at Department 205 “Technology of production of aircraft engines” of MAI

Lyakhovetsky Maksim Aleksandrovich, Moscow Aviation Institute (National Research University)

Associate Professor at Department 205 “Technology of aircraft engine production” of MAI. Diploma of Design Engineer (MAI, 2011). Candidate of Technical Sciences in the area “Thermal, electric rocket engines and power plants”. Research in the field of surface layer modification

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Published

2024-15-01

Issue

Vol. 27 No. 4(102) (2023)

Section

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