Published May 2001 | Version v1
Miscellaneous Metadata-only

A study on effects of parameter for the butt welding of zircaloy-4 sheets using Nd: YAG laser beam

Creators

  • 1. KAERI, Taejon (Korea, Republic of)
  • 2. Korea University of Technology and Education, Cheonan (Korea, Republic of)

Description

An investigation was conducted to determine the influence of the welding variables such as beam power, travel speed, pulse duration and defocusing on the laser beam weldability of Zircaloy-4 sheets with a pulsed Nd:YAG laser of 550W average beam power. Based on the butt-welded and bead-on-plate welded specimens of 1.39mm and 2.0mm thick Zircaloy-4 sheets, the welding characteristics of two different welds were compared in terms of penetration and aspect (D/W) ratio of the weld bead, bead cross section, weld strength and microstructure and mechanical properties. Fracture surface and microstructure of laser butt welded Zircaloy-4 test specimens were examined by optical and scanning electron microscopies. It was found that the tight gap between sheets was important to make sound welds like the bead-on-plate weld. The effects of welding variables on the aspect ratio and strength of butt-welded specimens were similar with those of bead-on-plate welds as long as the tight gap was kept

Part of:
Proceedings of the Korean Nuclear Society spring meeting

Additional details

Publishing Information

Publisher
KNS
Imprint Place
Taejon (Korea, Republic of)
Imprint Title
Proceedings of the Korean Nuclear Society spring meeting
Imprint Pagination
[ONE CDROM]
Journal Page Range
[10 p.]

Conference

Title
2001 spring meeting of the Korean Nuclear Society
Dates
24-25 May 2001
Place
Cheju (Korea, Republic of)

INIS

Country of Publication
Korea, Republic of
Country of Input or Organization
Korea, Republic of
INIS RN
33040528
Subject category
S36: MATERIALS SCIENCE;
Resource subtype / Literary indicator
Conference, Non-conventional Literature
Descriptors DEI
CROSS SECTIONS; MECHANICAL PROPERTIES; NEODYMIUM; SCANNING ELECTRON MICROSCOPY; WELDED JOINTS; WELDING; ZIRCALOY 4
Descriptors DEC
ALLOY-ZR98SN-4; ALLOYS; CHROMIUM ADDITIONS; CHROMIUM ALLOYS; CORROSION RESISTANT ALLOYS; ELECTRON MICROSCOPY; ELEMENTS; FABRICATION; HEAT RESISTANT MATERIALS; HEAT RESISTING ALLOYS; IRON ADDITIONS; IRON ALLOYS; JOINING; JOINTS; MATERIALS; METALS; MICROSCOPY; RARE EARTHS; TIN ALLOYS; TRANSITION ELEMENT ALLOYS; ZIRCALOY; ZIRCONIUM ALLOYS; ZIRCONIUM BASE ALLOYS

Optional Information

Notes
10 refs, 15 figs, 1 tab