Title:
積層造形ワークピースの放射線及びＣＴ検査方法
Document Type and Number:
Japanese Patent JP6462019
Kind Code:
B2
Abstract:
The invention relates to methods for radiographic and computed tomography (CT) inspection of workpieces having increasingly complicated internal geometry. According to the invention, a contrast agent is deposited within the detailed internal geometry of, for example, an additivly-manufactured workpiece or precision cast turbine blade, followed by complete removal of the contrast agent and all residues thereof after inspection. The contrast medium may comprise tungsten (W) or osmium (Os) and the removing may comprise leaching with hydrofluoric acid or ammonia.
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| JPS63309351 | FULL MOLD CASTING METHOD |
Inventors:
David Henry Abbott
Nicholas Christopher Sabo
Nicholas Christopher Sabo
Application Number:
JP2017020008A
Publication Date:
January 30, 2019
Filing Date:
February 07, 2017
Export Citation:
Assignee:
GENERAL ELECTRIC COMPANY
International Classes:
B22C9/00; B22C7/02; B22C9/04; B22D18/04; B22D29/00; B22F3/105; B22F3/16; B33Y10/00; G01N23/04; G01N23/18
Domestic Patent References:
| JP2014531983A | ||||
| JP7505832A | ||||
| JP2006263785A | ||||
| JP2007512322A | ||||
| JP11300469A | ||||
| JP2004501768A | ||||
| JP2001512372A | ||||
| JP2007500548A | ||||
| JP2003265616A |
Attorney, Agent or Firm:
Arakawa Satoshi
Hirokazu Ogura
Toshihisa Kurokawa
Takuto Tanaka
Hirokazu Ogura
Toshihisa Kurokawa
Takuto Tanaka