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May 15, 2026Transport engineering

The Influence of Laser Quenching Modes on Tribological Properties of Steel

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Authors

VBVladimir BiryukovAYAnton YakubovskyОКОлег Кулаков

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Overview

Randomized trial investigates laser quenching effects on steel durability, suggesting enhanced performance with specific energy levels.

Key Points

  • The research aims to assess how different laser quenching modes affect the tribological properties and hardness of steel.
  • Determined microhardness and tribo-performance of 55 steel samples using a semiconductor laser for heat treatment.
  • Performed friction and wear tests on sliding and rolling friction with 18HGT cemented steel as reference.
  • Analyzed the effects of varied radiation energies on heat-hardening zones and mechanical properties.
  • Laser quenching depth and microhardness were 1.53 mm and 9000-11000 MPa at 9 J/mm², and 0.97 mm and 7000-7600 MPa at 6 J/mm².
  • Minimum friction moments were lower for samples treated at higher radiation energy during sliding tests.
  • Wear tracks from rolling balls on thermally-hardened samples were 1.5 times less than those on cemented steel.

Cite This Study

Biryukov et al. (2026) studied this question.

synapsesocial.com/papers/6a06b928e7dec685947abacahttps://doi.org/10.30987/2782-5957-2026-5-83-90
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