Manufacturing Technology 2019, 19(4):644-646 | DOI: 10.21062/ujep/348.2019/a/1213-2489/MT/19/4/644

Microstructure Study of the Stainless Steel Layer on AlSi Cast Alloy Prepared by Laser Deposition

©tefan Michna, Iryna Hren, Lenka Michnová, Michal Lattner
Faculty of Mechanical Engineering, J. E. Purkyne University in Usti nad Labem. Pasteurova 3334/7, 400 01 Usti nad Labem. Czech Republic

The main aim of this study is structural changes on the layer of Al-Si cast alloy by laser austenitic stainless steel 17 246 deposition. In order to remelt the Al-Si alloy surface the laser of 1, 9 kW has been used for facing area, and 1.6 kW for the edge. The linear laser scan rate of the beam was set 450 mm.min-1 for facing area, and for the edge 550 mm.min-1. We observed that the thin surface made of austenitic stainless steel had a lot of splits. The purpose of this study is also to enhance inherent properties of the surface materials to create new product or improve on existing one.

Keywords: laser stainless steel deposition, austenitic stainless steel 17 246, Al-Si cast alloy, microstructure of layer, fusion, splits
Grants and funding:

ESIF. Development of new nano and micro coatings on the surface of selected metallic materials - NANOTECH ITI II., Reg. No CZ.02.1.01/0.0/0.0/18_069/0010045.

Published: August 1, 2019  Show citation

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Michna ©, Hren I, Michnová L, Lattner M. Microstructure Study of the Stainless Steel Layer on AlSi Cast Alloy Prepared by Laser Deposition. Manufacturing Technology. 2019;19(4):644-646. doi: 10.21062/ujep/348.2019/a/1213-2489/MT/19/4/644.
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