Deformation Processes at the Surface of a Nickel Alloy Subjected to Nanosecond Laser Pulses

Autor:	V. E. Rogalin, V. A. Yamshchikov, Yu. V. Khomich, T. V. Malinskii, Yu. A. Zheleznov, I. A. Kaplunov, A. I. Ivanova, S. A. Filin, S. I. Mikolutskii
Rok vydání:	2021
Předmět:	Materials science technology industry and agriculture Metals and Alloys Pulse duration chemistry.chemical_element Welding Diffusion welding Laser law.invention Superalloy Nickel chemistry law Irradiation Surface layer Composite material
Zdroj:	Russian Metallurgy (Metally). 2021:1233-1237
ISSN:	1555-6255 0036-0295
DOI:	10.1134/s0036029521100360
Popis:	The effects on the surface of a nickel superalloy that are caused by the action of pulsed radiation from an Nd:YAG laser with a wavelength in the ultraviolet range (0.355 μm) and a pulse duration of 10 ns are studied. The surface layer is found to rise in a subthreshold irradiation regime. Traces of high-temperature plastic deformation via grain-boundary sliding and crystallographic slip are detected in the spot zone. The joints of nickel alloy samples with preliminary laser treatment are subjected to diffusion welding and mechanical tests; as a result, a noticeable improvement in the weld quality as compared to untreated samples is shown.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::26ccbbce27dcfd3c00f0977885ed9c9b https://doi.org/10.1134/s0036029521100360 Zobrazit plný text záznamu Full text from SpringerLink