AISI 304材料激光加工工艺参数的选择

Q3 Engineering

International Journal of Computational Materials Science and Surface Engineering Pub Date : 2020-05-22 DOI:10.1504/ijcmsse.2020.10029636

Paramasivan Kalvettukaran, Sandip Das, S. Marimuthu, D. Misra

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引用次数: 0

摘要

本文介绍了AISI 304金属板材激光加工的数值模拟和统计分析，建立了确定工艺参数极限值的数学关系，使材料温度根据具体要求保持在规定的最高温度以上或以下。仿真布局基于四因子五能级中心复合设计(CCD)。仿真是通过有限元软件包COMSOL MULTIPHYSICS®进行的。根据仿真结果，建立了最高温度随激光工艺参数和薄板厚度的回归方程。一旦得到回归方程，就对其进行重铸，以获得可应用的工艺参数的极限值，使最高温度超过或保持低于规定的最高温度或试样的熔化温度。

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Selection of process parameters of AISI 304 for laser processing of materials

This paper describes numerical simulation of laser processing of AISI 304 sheet metal and statistical analysis to develop mathematical relations for determination of the limiting values of the process parameters such that the material temperature remains above or below the specified maximum temperature, depending upon the specific requirement. The simulations layout is designed based on a central composite design (CCD) with four factors and five levels. The simulations are carried out through finite element package COMSOL MULTIPHYSICS®. Based on the simulation output, a regression equation is developed to estimate the maximum temperature as a function of the laser process parameters and sheet thickness. Once the regression equation is obtained, the same is recast to obtain limiting values of process parameters that may be applied such that the maximum temperature exceeds or remains below a specified maximum temperature or the melting temperature of the specimen.

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来源期刊

International Journal of Computational Materials Science and Surface Engineering Engineering-Engineering (all)

CiteScore

1.20

自引率

0.00%

发文量

期刊介绍： IJCMSSE is a refereed international journal that aims to provide a blend of theoretical and applied study of computational materials science and surface engineering. The scope of IJCMSSE original scientific papers that describe computer methods of modelling, simulation, and prediction for designing materials and structures at all length scales. The Editors-in-Chief of IJCMSSE encourage the submission of fundamental and interdisciplinary contributions on materials science and engineering, surface engineering and computational methods of modelling, simulation, and prediction. Papers published in IJCMSSE involve the solution of current problems, in which it is necessary to apply computational materials science and surface engineering methods for solving relevant engineering problems.