Effects of Scanning Schemes on Laser Tube Bending

Zhang, Jie; Cheng, Peng; Zhang, Wenwu; Graham, Michael E.; Jones, Julie; Jones, Marshall; Yao, Y. Lawrence

doi:10.1115/1.2113047

Cited by 22 publications

(8 citation statements)

References 10 publications

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“…Single axial scanning with a line source is expected to give much higher bending angle compared to multiple circumferential scanning with point laser source. Many variations of these primary 8.6 Advances in Laser Forming 345 laser schemes are possible depending on the source of laser (point or line source, and continuous or pulsed beam) and application of water cooling (with or without water cooling) (Zhang et al 2006). The primary mechanism of laser tube bending during circumferential scanning is generally considered as UM.…”

Section: Laser Forming Of Tubesmentioning

confidence: 99%

Laser Fabrication and Machining of Materials

2008

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except for brief excerpts in connection with reviews or scholarly analysis. Use in connection with any form of information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now know or hereafter developed is forbidden. The use in this publication of trade names, trademarks, service marks and similar terms, even if they are not identifi ed as such, is not to be taken as an expression of opinion as to whether or not they are subject to proprietary rights.Printed on acid-free paper. 9 8 7 6 5 4 3 2 1 springer.com v medicine, it is rapidly making headways in the field of biomedicine. As mentioned earlier, Part I provides sufficient basics of lasers and laser processes to spawn thoughts in one's mind for new applications of lasers. Examples of such new applications are described in chapters on laser interference processing, laser shock processing, and laser dressing of grinding wheels. It is hoped that the book will provide further impetus to many more readers to take lasers into new frontiers of applications.Thus, unlike many other books on similar topics, this book deals with the subject of laser-based fabrication and machining in a comprehensive manner. The subject matter in the proposed book extends over a wide range of disciplines that include, but are not limited to, mechanical, electrical/electronics, materials, and manufacturing. Such interdisciplinary discussion of the topic is a need of the time for many undergraduate and graduate academic programs and research activities that themselves are increasingly wielding interdisciplinary flavor. Furthermore, the scope of the subject matter ranging over macro-, to micro-, to nanolevels of processing/ manufacturing is very important to educate and prepare individuals for the next generation manufacturing. In addition, the integration of fundamental principles and physical phenomena governing laser-based fabrication/machining processes and their existing and potential applications have widened the scope of the book across the sectors of academia, research, and industry.

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Section: Laser Forming Of Tubesmentioning

confidence: 99%

Laser Fabrication and Machining of Materials

2008

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“…Circumferential and axial scanning were compared numerically and experimentally by Zhang et al [6]. Safdar et al [7] compared both methods under the same conditions.…”

Section: Introductionmentioning

confidence: 99%

“…In most studies, these parameters have been optimized under the shortening mechanism which researchers believe is the dominant mechanism [2,3,6,7]. In the shortening mechanism, the tube diameter to beam diameter ratio is considered large for homogeneous heating in the thickness direction of the tube.…”

Section: Introductionmentioning

confidence: 99%

Numerical and experimental analysis of the effect of forced cooling on laser tube forming

Khandandel

Seyedkashi

Moradi

2021

J Braz. Soc. Mech. Sci. Eng.

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“…They showed that a high scanning speed was useful to achieve uniform bending deformations for the varying thickness plate due to the difference of peak temperature and temperature gradient between thickness and thinner locations. Zhang et al (2006) examined the effects of scanning schemes on laser tube bending. They showed that in line‐source axial scanning, within a certain velocity range, high scanning velocity could produce large deformation while the water cooling was helpful to increase the bending deformation.…”

Section: Introductionmentioning

confidence: 99%

Laser bending of steel sheets: corrosion testing of bended sections

Yilbaş

Khaled

Akhtar

et al. 2011

Industrial Lubrication and Tribology

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PurposeLaser bending is a good candidate to replace the flame bending process. The electrochemical response of laser bending region changes due to the microstructural modifications and high level of residual stress developed in the laser‐irradiated region after the bending process. Consequently, investigation into laser bending and microstructural changes in the irradiated region as well as the electrochemical response of bending section becomes essential. This paper aims to focus on the laser bending process.Design/methodology/approachThe laser bending of steel sheets was carried out. The microstructural changes in the bending region are examined using the scanning electron microscopy and X‐ray diffraction. The electrochemical response of the bended sections is investigated through potentiodynamic tests.FindingsIt is found that laser‐irradiated surface is free from cracks and cavitations. However, deep pit sites due to secondary pitting are observed in the bending sections.Research limitations/implicationsThe experiment is limited to certain thickness of the steel sheets. Increasing workpiece thickness reduces the bend angle. However, introducing high‐intensity laser beams improves the bend angle on the expense of high surface roughness in the bend section.Practical implicationsLaser bending process is involved with non‐mechanical tooling with low cost and precision of operation. Moreover, laser bending is a good candidate to replace the flame bending process. Consequently, laser bending finds application in industry. However, under the corrosive environment care should be taken.Originality/valueThe work presented is original and has not been published anywhere before. The findings will be useful for researchers and engineers working in the sheet metal forming area.

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Effects of Scanning Schemes on Laser Tube Bending

Cited by 22 publications

References 10 publications

Laser Fabrication and Machining of Materials

Laser Fabrication and Machining of Materials

Numerical and experimental analysis of the effect of forced cooling on laser tube forming

Laser bending of steel sheets: corrosion testing of bended sections

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