Electron Beam Freeform Fabrication on Stainless Steel

Abstract:

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The use of electron beam technology for freeforming 321 SS was investigated using 347 SS solid wire and BNi-2 brazing paste as filler materials. The electron beam freeforming (EBFF) studies involved examining the effect of processing parameters on the characteristics of the line build-ups. Specifically, the effective growth rate and the dimensional features (height-to-width ratio) of the build-ups were found to be dependent on the beam energy and the filler material conditions (e.g. wire feed rate and the number of re-melting passes). The EBFF work indicated that build-ups with either filler material could be deposited on 321 SS using an optimized processing window that resulted in properties comparable to technical data available for 347 SS and BNi-2.

Info:

Periodical:

Materials Science Forum (Volumes 539-543)

Main Theme:

Edited by:

T. Chandra, K. Tsuzaki, M. Militzer , C. Ravindran

Pages:

4938-4943

DOI:

10.4028/www.scientific.net/MSF.539-543.4938

Citation:

P. Wanjara et al., "Electron Beam Freeform Fabrication on Stainless Steel", Materials Science Forum, Vols. 539-543, pp. 4938-4943, 2007

Online since:

March 2007

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Price:

$35.00

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