Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/30966
DC FieldValueLanguage
dc.contributorDepartment of Industrial and Systems Engineering-
dc.creatorYung, KC-
dc.creatorMei, SM-
dc.creatorYue, TM-
dc.date.accessioned2015-08-28T04:32:04Z-
dc.date.available2015-08-28T04:32:04Z-
dc.identifier.issn0924-0136-
dc.identifier.urihttp://hdl.handle.net/10397/30966-
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.subjectHeat-affected zoneen_US
dc.subjectUV YAG laseren_US
dc.subjectGFRP materialsen_US
dc.titleA study of the heat-affected zone in the UV YAG laser drilling of GFRP materialsen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage278-
dc.identifier.epage285-
dc.identifier.volume122-
dc.identifier.issue2-3-
dc.identifier.doi10.1016/S0924-0136(01)01177-3-
dcterms.abstractThis paper describes the characteristics of the heat-affected zone (HAZ) of a UV YAG laser-drilled hole in glass fiber reinforced plastic (GFRP) printed circuit boards. The structures of the HAZ produced by different laser parameters were analyzed. When drilled with lower power and repetition rate, a clear hole wall with very little black charred material was obtained. On the other hand, when drilled with high power and repetition rate, matrix recession and fiber protrusion were observed, also a loose coating was found covering the protruded glass fibers. The results also show that for a given repetition rate, the size of the HAZ increases with increase in average laser power. As for the effect of the pulse repetition rate, a peak value of HAZ width is reached at about 7 kHz for each given laser power, and beyond which the HAZ width decreases. A novel evaluation parameter, defined as the quotient of total area of the HAZ and the profile length, is suggested to quantify the size of the laser-induced HAZ in fiber reinforced composites.-
dcterms.bibliographicCitationJournal of materials processing technology, 2002, v. 122, no. 2-3, p. 278-285-
dcterms.isPartOfJournal of materials processing technology-
dcterms.issued2002-
dc.identifier.eissn1873-4774-
dc.identifier.rosgroupidr09486-
dc.description.ros2001-2002 > Academic research: refereed > Publication in refereed journal-
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