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Nd-YAG laser machining of SiC fibre borosilicate glass composites. Part I. Optimisation of laser pulse parameters
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UNSPECIFIED (1998) Nd-YAG laser machining of SiC fibre borosilicate glass composites. Part I. Optimisation of laser pulse parameters. COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING, 29 (8). pp. 947-954. ISSN 1359-835X.
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Abstract
A study has been conducted using a 400 W pulsed Nd-YAG laser to machine a glass-matrix composite (GMC) comprising SiC fibres in a borosilicate glass matrix. To investigate the possibility of this type of laser providing a solution to the problem of cutting and drilling GMC materials, machining and subsequent analyses were performed with a view to optimising the laser pulse waveform parameters with respect to both material removal rate/efficiency and material damage.
The rate of material removal is influenced primarily by the peak power of the laser, but the results suggest that the process has a greater dependence on the pulse energy than on the pulse duration at a given peak power. An optimum level of pulse intensity is inferred from the identification of a maximum in drilling penetration corresponding to a beam magnification setting of 1.7 x. The degree of damage produced at the processed surface is assessed by electron microscopical examination. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TS Manufactures T Technology > TA Engineering (General). Civil engineering (General) |
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Journal or Publication Title: | COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | ||||
Publisher: | ELSEVIER SCI LTD | ||||
ISSN: | 1359-835X | ||||
Official Date: | 1998 | ||||
Dates: |
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Volume: | 29 | ||||
Number: | 8 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 947-954 | ||||
Publication Status: | Published |
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