JLA Vol:20 Iss:1 (Optimization of production rate in diode laser hardening)
Authors:
Edoardo Capello
Barbara Previtali
Dipartimento di Meccanica, Politecnico di Milano, Via Bonardi 9, 20133 Milano, ItalyThe present paper is a contribution to the definition of optimal laser hardening conditions with production rate as the main goal. When the part to be treated is given, the optimization problem can be expressed in terms of minimal execution time subjected to two constraints: the depth of treatment and hardness of transformed layer. When the analytical expression of the objective function and the constraints was determined, the feasibility area was described and analyzed. Finally, an optimization algorithm was applied to identify the optimal solut...
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JLA Vol:23 Iss:1 (Optimal process parameters for thermoplastic polyetheretherketone joints fabricated using transmission laser welding and Lumogen<sup>®</sup> IR absorptive pigment)
Authors:
Negin Amanat
School of Physics, University of Sydney, New South Wales 2006, Australia and Cochlear Ltd., 14 Mars Rd., Lane Cove, New South Wales 2066, Australia
Cedric Chaminade
John Grace
Raymax Applications, P.O. Box 958, Newport Beach, New South Wales 2106, Australia
Natalie L. James
Cochlear Ltd., 14 Mars Rd., Lane Cove, New South Wales 2066, Australia
David R. McKenzie
School of Physics, University of Sydney, New South Wales 2006, AustraliaThis study investigates the effects of the process parameters (laser power and irradiation time) on the bond quality of transmission laser welded polyether...
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JLA Vol:7 Iss:2 (A study of polarization‐maintaining fiber characteristics with applications to force and displacement sensing)
Authors:
P. V. P. Yupapin
K. Weir
K. T. V. Grattan
A. W. PalmerAn experimental investigation of three different types of highly birefringent fiber sensor element configured as a force and a displacement sensor is described. From the coupling of power between the two eigenmodes, the magnitude of the force and the position of the coupling point can then be determined using ‘white‐light interferometric’ techniques.
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JLA Vol:14 Iss:1 (Cutting of slate tiles by CO<sub>2</sub> laser)
Authors:
M. Boutinguiza
F. Lusquin˜os
J. Pou
R. Soto
F. Quintero
M. Pe´rez-Amor
Departamento Fı´sica Aplicada Universidade de Vigo, Lagoas Marcosende 9, E-36200 VIGO, Spain
K. Watkins
Laser Engineering Group, Department of Engineering, The University of Liverpool, Liverpool L69 3GH, United KingdomSlate is a natural stone which has the characteristic that shows a well-developed defoliation plane, allowing to easily split it in plates parallel to that plane which are particularly used as tiles for roof building. At present, the manufacturing of slate is mostly manual, bein...
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JLA Vol:18 Iss:2 (Investigation of the effects of nonconventional beam geometries in laser surface treatment of ceramics: Theoretical analysis)
Authors:
D. Triantafyllidis
Laser Processing Research Centre, School of Mechanical, Aerospace and Civil Engineering, The University of Manchester, Manchester M60 1QD, United Kingdom and Corrosion and Protection Centre, School of Materials, The University of Manchester, Manchester M60 IQD, United Kingdom
L. Li
Laser Processing Research Center, School of Mechanical, Aerospace and Civil Engineering, The University of Manchester, Manchester M60 1QD, United Kingdom
F. H. Stott
Corrosion and Protection Centre, School of Materials, The University of Manchester, Manchester M60 1QD, United KingdomLaser surface treatment of ceramics by melting and re...
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JLA Vol:25 Iss:5 (Crack-free laser dicing of glass in the microelectronics industry)
Authors:
Guillaume Savriama
GREMI-UMR 7344, CNRS/Universite´ d'Orle´ans, 14 rue d'Issoudun, BP 6744, F-45067 Orle´ans cedex 2, France and STMicroelectronics, 10 rue de Thalès de Milet, CS 97155, 37071 Tours Cedex 2, France
Jose´ Mendez
Laurent Barreau
STMicroelectronics, 16 rue Pierre et Marie Curie, BP 7155, F-37071 Tours Cedex2, France
Chantal Boulmer-Leborgne
Nadjib Semmar
GREMI-UMR 7344, CNRS/Universite´ d'Orle´ans, 14 rue d'Issoudun, BP 6744, F-45067 Orle´ans cedex 2, FranceThis paper investigates laser dicing of glass (commercial Borofloat
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