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Title: Comparative impact analysis of laser radiation on steel grades 1045 and 5140

There are results of experiments with deep engraving steel grades 1045 and 5140. The deep engraving was made by laser system equipped with a pulsed ytterbium fiber laser. The objectives of the work is to evaluate the change in the structure and properties of the material in the laser exposure area. Microsections of materials have been investigated and microhardness was measured for this purpose. The optimal parameters of laser material removal were considered. It is shown that various changes occur in the metal structure, which depends on the composition of the steel. In particular, when processing with identical laser parameters, tempered steel 1045 remelts and its hardness changes, while steel 5140 does not change its structure.
Authors:
;  [1] ;  [2]
  1. Department of Laser and Light Technology, National Research Tomsk Polytechnic University, Tomsk, 634050 (Russian Federation)
  2. Department of Materials Science and Technology of Metals, National Research Tomsk Polytechnic University, Tomsk, 634050 (Russian Federation)
Publication Date:
OSTI Identifier:
22390420
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1623; Journal Issue: 1; Conference: International Conference on Physical Mesomechanics of Multilevel Systems 2014, Tomsk (Russian Federation), 3-5 Sep 2014; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; CRYSTAL STRUCTURE; FIBERS; LASER MATERIALS; LASER RADIATION; MICROHARDNESS; PULSED IRRADIATION; STEEL-SAE-1045; YTTERBIUM