Laser forming of aerospace alloys

Watkins, Ken; Edwardson, Stuart; Magee, J.; Dearden, Geoff; French, P.; Cooke, R. L.; Sidhu, J.; Calder, N. J.

doi:10.2351/1.5059678

Cited by 25 publications

(21 citation statements)

References 8 publications

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“…At constant line energy, i.e., at constant energy input to the surface, the bending angle increases with increasing laser traverse speed as indicated in Fig. 8.26 (Li and Yao 2001a;Magee et al 1997). This suggests that temperature gradient and efficiency of the process can be enhanced at higher speeds.…”

Section: Effect Of Laser Parametermentioning

confidence: 92%

“…This suggests the role of strain hardening in influencing the bending angles during laser forming (Merklein et al 2001). The effect of strain hardening is more pronounced for thick sheets and materials with large strain hardening coefficients (Magee et al 1997).…”

Section: Bending Ratementioning

confidence: 94%

“…8.38. The possible reasons for the edge effects are (Magee et al 1997;Bao and Yao 2001): 1. Variation of temperature distribution (peak temperature, temperature gradient, etc.)…”

Section: Edge Effectsmentioning

confidence: 99%

“…The bottom curve is obtained with a varying scanning velocity along the bending edge and indicates the maximum variation of bending angle along the edge to be 0.4°. The variation of the laser scanning velocity counters the effect of varying mechanical restraint along the bending edge and minimizes edge effects (Magee et al 1997). …”

Section: Edge Effectsmentioning

confidence: 99%

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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: Effect Of Laser Parametermentioning

confidence: 92%

Section: Bending Ratementioning

confidence: 94%

“…8.38. The possible reasons for the edge effects are (Magee et al 1997;Bao and Yao 2001): 1. Variation of temperature distribution (peak temperature, temperature gradient, etc.)…”

Section: Edge Effectsmentioning

confidence: 99%

Section: Edge Effectsmentioning

confidence: 99%

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Laser Fabrication and Machining of Materials

2008

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“…The schematic of a laser bending process is shown in Fig. Although considerable amount of experimental and theoretical efforts have been devoted to the study of laser bending [4][5][6][7], relatively less work has been done on high precision bending. A target is irradiated by a focused laser beam passing across the target surface with a certain speed.…”

Section: Introductionmentioning

confidence: 99%

<title>Microscale bending using pulsed and cw laser</title>

Zhang

Tam

2001

SPIE Proceedings

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The purpose of this work is to investigate microscale laser bending and to compare the results of bending using a pulsed and a CW laser. Samples of ceramics (A1203/TiC), silicon, and stainless steel are bent at various laser processing conditions. Changes of surface composition after laser irradiation are analyzed using an electron probe microanalyser (EPMA). Comparisons of CW vs. pulsed bending are made in terms of the amount of bending and the damage to the specimens.

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Effect of workpiece geometry using circular scan patterns in sheet laser forming processes

Navarrete

Celentano

2018

Int J Adv Manuf Technol

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Laser forming of aerospace alloys

Cited by 25 publications

References 8 publications

Laser Fabrication and Machining of Materials

Laser Fabrication and Machining of Materials

<title>Microscale bending using pulsed and cw laser</title>

Effect of workpiece geometry using circular scan patterns in sheet laser forming processes

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