Decarburization and the Influence of Laser Cutting on Steel Structure


Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Тек жазылушылар үшін

Аннотация

By microscopic analysis of 20, 30, 45, У7A, and У8A steel samples obtained by laser cutting in different conditions, the structure of the surface thermal-influence zone is studied. This zone includes a dendritic layer (samples of У8A steel); a region with martensite structure; and an intermediate ferrite or ferrite–pearlite layer, indicating complete (20, 30, 35, or У7A steel) or partial (У8A steel) decarburization of deep regions in laser cutting. The microhardness distribution from the surface into the depth of the samples is studied, and the extent of the thermal-influence zone after laser cutting is determined. A mathematical model is developed and used to analyze the influence of the laser-cutting parameters, the sheet thickness, and the carbon content on the extent of the thermal-influence zone.

Авторлар туралы

N. Sergeev

Tolstoy Tula State Polytechnic University

Email: gubanov_oleg81@mail.ru
Ресей, Tula, 300041

I. Minaev

Tolstoy Tula State Polytechnic University

Email: gubanov_oleg81@mail.ru
Ресей, Tula, 300041

A. Gvozdev

Tolstoy Tula State Polytechnic University

Email: gubanov_oleg81@mail.ru
Ресей, Tula, 300041

A. Cheglov

Lipetsk State Technical University

Email: gubanov_oleg81@mail.ru
Ресей, Lipetsk, 398050

I. Tikhonova

Tula State University

Email: gubanov_oleg81@mail.ru
Ресей, Tula, 300041

O. Gubanov

PAO NMLK

Хат алмасуға жауапты Автор.
Email: gubanov_oleg81@mail.ru
Ресей, Lipetsk, 398040

I. Tsyganov

Lipetsk State Technical University

Email: gubanov_oleg81@mail.ru
Ресей, Lipetsk, 398050

E. Alyavdina

Tula State University

Email: gubanov_oleg81@mail.ru
Ресей, Tula, 300041

A. Breki

Peter the Great St Petersburg Polytechnic University

Email: gubanov_oleg81@mail.ru
Ресей, St. Petersburg, 195251

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