Global Patent Index - EP 2950965 A1

EP 2950965 A1 20151209 - LASER MICROCLADDING USING POWDERED FLUX AND METAL

Title (en)

LASER MICROCLADDING USING POWDERED FLUX AND METAL

Title (de)

LASER-MIKROVERKLEIDUNG MIT EINEM PULVERFÖRMIGEN FLUSSMITTEL UND EINEM METALL

Title (fr)

MICROREVÊTEMENT AU LASER À L'AIDE D'UN MÉTAL ET D'UN FLUX EN POUDRE

Publication

EP 2950965 A1 20151209 (EN)

Application

EP 14704048 A 20140129

Priority

  • US 201313755073 A 20130131
  • US 2014013541 W 20140129

Abstract (en)

[origin: WO2014120729A1] A laser microcladding process utilizing powdered flux material (93b). A jet (92) of propellant gas containing powdered alloy material (93a) and the powdered flux material are directed toward a substrate (94). The powdered materials are melted by a laser beam (96) to form a weld pool (98) which separates into a layer of slag (100) covering a layer of clad alloy material (102). The flux material deoxidizes the weld pool and protects the layer of clad alloy material as it cools, thereby allowing the propellant gas to be nitrogen or air rather than an inert gas. In one embodiment, the substrate and alloy materials are superalloys with compositions beyond the traditional zone of weldability.

IPC 8 full level

B23K 26/14 (2014.01); B23K 26/34 (2014.01); F01D 5/00 (2006.01)

CPC (source: EP)

B23K 26/144 (2015.10); B23K 26/34 (2013.01); B23K 26/342 (2015.10); F01D 5/005 (2013.01)

Citation (search report)

See references of WO 2014120729A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2014120729 A1 20140807; CN 104955983 A 20150930; EP 2950965 A1 20151209; JP 2016509541 A 20160331; KR 20150111352 A 20151005; RU 2015136515 A 20170307

DOCDB simple family (application)

US 2014013541 W 20140129; CN 201480006750 A 20140129; EP 14704048 A 20140129; JP 2015556092 A 20140129; KR 20157020464 A 20140129; RU 2015136515 A 20140129