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Modifications of AISI 1045 steel by picosecond Nd:YAG laser at 266 nm; comparison with 532 and 1064 nm pulses
dc.creator | Stasic, J. | |
dc.creator | Trtica, Milan S | |
dc.creator | Gaković, B. | |
dc.creator | Batani, D. | |
dc.creator | Desai, T. | |
dc.creator | Branković, Goran | |
dc.date.accessioned | 2022-04-05T14:20:30Z | |
dc.date.available | 2022-04-05T14:20:30Z | |
dc.date.issued | 2009 | |
dc.identifier.issn | 0169-4332 | |
dc.identifier.uri | http://rimsi.imsi.bg.ac.rs/handle/123456789/329 | |
dc.description.abstract | Interaction of Nd:YAG laser, operating at 266 nm wavelength and a pulse duration of 40 ps, with AISI 1045 steel was studied. Surface damage threshold was estimated to be 0.14 J/cm(2). The steel surface modi. cation was studied at the laser fluence of similar to 1.0 J/cm(2). The energy absorbed from Nd: YAG laser beam is partially converted to thermal energy, which generates a series of effects, such as melting, vaporization of the molten material, shock waves, etc. The following AISI 1045 steel surface morphological changes and processes were observed: (i) intensive damage of the target in the central zone of irradiated area; (ii) appearance of periodic surface structures at nano-level, with periodicity in agreement with the used wavelength; (iii) reduction of oxygen concentration in irradiated area; and (iv) development of plasma in front of the target. Generally, interaction of laser beam with AISI 1045 steel (at 266 nm) results in a near-instantaneous creation of damage, meaning that large steel surfaces can be modified in short times. | en |
dc.publisher | Elsevier, Amsterdam | |
dc.relation | info:eu-repo/grantAgreement/MESTD/MPN2006-2010/142065/RS// | |
dc.rights | restrictedAccess | |
dc.source | Applied Surface Science | |
dc.subject | Picosecond Nd:YAG laser | en |
dc.subject | Laser-matter interaction | en |
dc.subject | AISI 1045 steel | en |
dc.subject | 266 nm wavelength | en |
dc.title | Modifications of AISI 1045 steel by picosecond Nd:YAG laser at 266 nm; comparison with 532 and 1064 nm pulses | en |
dc.type | article | |
dc.rights.license | ARR | |
dc.citation.epage | 8225 | |
dc.citation.issue | 19 | |
dc.citation.other | 255(19): 8221-8225 | |
dc.citation.rank | M22 | |
dc.citation.spage | 8221 | |
dc.citation.volume | 255 | |
dc.identifier.doi | 10.1016/j.apsusc.2009.05.049 | |
dc.identifier.scopus | 2-s2.0-67649467271 | |
dc.identifier.wos | 000267692900006 | |
dc.type.version | publishedVersion |