Fibre laser cutting of thin section mild steel: An explanation of the 'striation free' effect

被引：54

作者：

Powell, J. ^{[1
,2
]}

Al-Mashikhi, S. O. ^{[1
]}

Kaplan, A. F. H. ^{[2
]}

Voisey, K. T. ^{[1
]}

机构：

[1] Univ Nottingham, Mat Mech & Struct Res Div, Fac Engn, Nottingham NG7 2RD, England

[2] Lulea Univ Technol, SE-97187 Lulea, Sweden

来源：

OPTICS AND LASERS IN ENGINEERING | 2011年 / 49卷 / 08期

关键词：

Laser cutting; Fiber laser; Brewster angle; Striations; Oxygen;

D O I：

10.1016/j.optlaseng.2011.03.011

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper presents the results of an experimental and theoretical investigation into the phenomenon of 'striation free cutting', which is a feature of fibre laser/oxygen cutting of thin section mild steel. The paper concludes that the creation of very low roughness edges is related to an optimisation of the cut front geometry when the cut front is inclined at angles close to the Brewster angle for the laser-material combination. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：1069 / 1075

页数：7

共 9 条

[1] The absorption of light by rough metal surfaces -: A three-dimensional ray-tracing analysis [J].

Bergstrom, D. ;

Powell, J. ;

Kaplan, A. F. H. .

JOURNAL OF APPLIED PHYSICS, 2008, 103 (10)

[2] THE OXIDATION DYNAMICS OF LASER CUTTING OF MILD-STEEL AND THE GENERATION OF STRIATIONS ON THE CUT EDGE [J].

IVARSON, A ;

POWELL, J ;

KAMALU, J ;

MAGNUSSON, C .

JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 1994, 40 (3-4) :359-374

[3] Striation-free laser cutting of mild steel sheets [J].

Li, Lin ;

Sobih, M. ;

Crouse, P. L. .

CIRP ANNALS-MANUFACTURING TECHNOLOGY, 2007, 56 (01) :193-196

[4]

Mahrle A., 2008, P 27 INT C APPL LAS, P703

[5]

Miyamoto I., 1991, J WELDING WORLD, V29, P283, DOI [10.22486/iwj.v25i2.148338, DOI 10.22486/IWJ.V25I2.148338]

[6]

Petring D., 2008, P 27 INT C APPL LAS, P95

[7] Laser-oxygen cutting of mild steel: the thermodynamics of the oxidation reaction [J].

Powell, J. ;

Petring, D. ;

Kumar, R. V. ;

Al-Mashikhi, S. O. ;

Kaplan, A. F. H. ;

Voisey, K. T. .

JOURNAL OF PHYSICS D-APPLIED PHYSICS, 2009, 42 (01)

[8] Elimination of striation in laser cutting of mild steel [J].

Sobih, M. ;

Crouse, P. L. ;

Li, L. .

JOURNAL OF PHYSICS D-APPLIED PHYSICS, 2007, 40 (22) :6908-6916

[9]

SULLIVAN AB, 1967, BR WELD J, V14, P443

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