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izvor podataka: crosbi

Influence of process parameters in laser welding on the hardness of the welded joint (CROSBI ID 739965)

Prilog sa skupa u časopisu | izvorni znanstveni rad

Kralj, Slobodan ; Šakić, Nikola ; Bauer, Branko Influence of process parameters in laser welding on the hardness of the welded joint // Welding in the world. 2005. str. 223-233-x

Podaci o odgovornosti

Kralj, Slobodan ; Šakić, Nikola ; Bauer, Branko

engleski

Influence of process parameters in laser welding on the hardness of the welded joint

Laser welding of steels with higher carbon content causes substantial increase of the hardness in the welded joint area. A report on the welding of heat-treatable steel 25 CrMo 4 and 42 CrMo 4, 2 mm thick sheet, with high power Nd:YAG laser is presented. Laser and process parameters were explored, applying model of central composite plan. Argon and Helium were used as shielding gases. Quality assessment was done according EN ISO 13919-1 standard. Visual inspection, radiographic examination and metalographic analysis were done to asses weld quality. Results of hardness testing have been processed applying statistical methods and mathematical modeling using method of responding surfaces was done. Effects of heat input, type and gas flow rate upon the hardness have not been registered, while the effect of focus position relative to the workpiece surface is significant.

laser welding; steel; hardness; parameters

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Podaci o prilogu

223-233-x.

2005.

nije evidentirano

objavljeno

Podaci o matičnoj publikaciji

Welding in the world

0043-2288

Podaci o skupu

Nepoznat skup

ostalo

29.02.1904-29.02.2096

Povezanost rada

Strojarstvo

Indeksiranost