Investigation of the Effect of Small Hardening Spots Created on the Sample Surface by Laser Complex with Solid-State Laser

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Abstract

This paper describes the results of an investigation of the effect of small hardening spots (about 1 mm) created on the surface of a sample by laser complex with solid-state laser. The melted area of the steel sample is not exceed 5%. Steel microhardness change in the region subjected to laser treatment is studied. Also there is a graph of the deformation of samples dependence on the tension. As a result, the yield plateau and plastic properties changes were detected. The flow line was tracked in the series of speckle photographs. As a result we can see how mm surface inhomogeneity can influence on the deformation and strength properties of steel.

Original languageEnglish
Article number012002
JournalIOP Conference Series: Materials Science and Engineering
Volume317
Issue number1
DOIs
Publication statusPublished - 13 Mar 2018
Event2017 4th International Conference on Advanced Engineering and Technology, ICAET 2017 - Incheon, Korea, Republic of
Duration: 15 Dec 201717 Dec 2017

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

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