28th Congress of the International Council of the Aeronautical Sciences, 23 - 28 September 2012, Brisbane, Australia
Paper ICAS 2012-12.4.4

MICROSTRUCTURE AND MECHANICAL PROPERTIES OF LASER CLADDING REPAIR OF AISI 4340 STEEL

S. Sun, Q. Liu*, M. Brandt**, M. Janardhana***, G. Clark****
RMIT Univ., Australia; *DSTO / DMTC, Australia; **RMIT Univ. / DMTC, Australia; ***DGTA, Australia; ****RMIT University, Australia

Keywords: laser cladding, aisi 4340 steel, repair

This paper discusses the mechanical and fatigue behaviour of LAMD repair using AISI 4340 steel. The present work is part of a larger project that investigates the possibility of restoring aircraft components which suffer damage exceeding permissible limits, to the required minimum level of performance using LAMD.

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