Method for Welding a Sintered Shaped Body
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United States of America Patent
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app pub date -
Apr 13, 2005
filing date -
May 26, 2004
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Abandoned
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Abstract
A method is described for welding a sintered molded body (1) which comprises a residual porosity and which is molten in the region of the later weld seam (3) by a laser beam (4). In order to obtain dense weld seams it is proposed that during the melting of the molded body (1) the atmospheric oxygen is bound at least substantially by a deoxidizer from the pores of the molded body (1) in the area of the weld seam and is embedded in the form of finely dispersed oxides in the weld seam (3).
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