Mechanical Properties of Laser Treated Thin Sample of an Amorphous-Nanocrystalline Metallic Alloy Depending on the Initial Annealing Temperature

Abstract:

The ability to control the mechanical properties of metal alloys is an urgent task in materials science. For formation of certain operational properties, in most cases, it is enough to treat the working surface of the product by laser radiation. Classical processing methods are ineffective in relation to multicomponent amorphous-nanocrystalline metallic alloys. This is due to their limited use. Usually, this treatment leads to the loss of unique properties the amorphous-nanocrystalline material. Increasing crack resistance and microhardness is not an easy problem. The structure of an amorphous nanocrystalline material can be destroyed under the action of laser processing. Laser nanosecond treatment, as result of a complex effect on the surface, slightly affects the structure of material. The treated material is characterized by increased microhardness and crack resistance, while at the same time such changes may be controlled.

• Periodical: Defect and Diffusion Forum (Volume 410)
• Pages: 489-494
• DOI: https://doi.org/10.4028/www.scientific.net/DDF.410.489
• Online since: August 2021
• Authors: Ivan S. Safronov*, Aleksandra A. Neplueva, Ivan V. Ushakov
• Keywords: Crack Formation, Laser Treatment, Micro-Cracks, Microhardness, Nanocrystalline Material

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