专利名称：METHOD FOR FORMING ARTICLE, METHOD
FOR FORMING TURBINE BUCKET, ANDTURBINE BUCKET
发明人：HULLENDER, Robert Trent,WOOLRIDGE,
Jillian Jamison
申请号：EP18192703.9申请日：20180905公开号：EP3466602A1公开日：20190410
专利附图：
摘要：A method for forming an article (200) is disclosed, including laser welding a
powder (104) of an HTW alloy to a surface (102) of a substrate (100) along a weld path(400), forming a weld bead (106) of the HTW alloy. The weld path (400) is propagatedalong a weld direction (112), forming a cladding layer (202) of the HTW alloy on thesurface (102). The laser welding includes a laser energy density of at least 11 kJ/cm, andlaser welding the powder (104) to the surface (102) includes a welding speed of 5-20 ipm.The weld path (400) oscillates essentially nonparallel to a reference line (122),
establishing a cladding width (114) wider than the weld bead width (108). The weld bead(106) contacts itself along each oscillation such that the cladding layer (202) is continuous.A turbine bucket (118) is disclosed including a squealer tip (206) having the cladding layer(202) with a cladding layer thickness (204) of at least 0.2 inches.
申请人：General Electric Company
地址：1 River Road Schenectady, NY 12345 US
国籍：US
代理机构：Katzka, Catherine
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