[go: up one dir, main page]

Yang et al., 2025 - Google Patents

On the stray grains in single-crystal Ni-based superalloy by additive manufacturing: formation mechanism and elimination strategy

Yang et al., 2025

View HTML
Document ID
6037412407978808098
Author
Yang Z
Li X
Chang J
Wu Z
Yang Y
Zhang Z
Publication year
Publication venue
Journal of Materials Research and Technology

External Links

Snippet

Single-crystal nickel-based superalloys are indispensable for aerospace engine turbine blades due to their superior high-temperature performance. Traditional manufacturing methods are complex and costly, with additional expenses from scrapping damaged blades …
Continue reading at www.sciencedirect.com (HTML) (other versions)

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/32—Bonding taking account of the properties of the material involved
    • B23K26/322—Bonding taking account of the properties of the material involved involving coated metal parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34—Laser welding for purposes other than joining
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL-GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B11/00—Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL-GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL-GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/02—Elements

Similar Documents

Publication Publication Date Title
Liu et al. Effects of substrate crystallographic orientations on crystal growth and microstructure formation in laser powder deposition of nickel-based superalloy
Liu et al. Effects of processing parameters on crystal growth and microstructure formation in laser powder deposition of single-crystal superalloy
Yang et al. Microstructure and grain growth direction of SRR99 single-crystal superalloy by selective laser melting
US5914059A (en) Method of repairing metallic articles by energy beam deposition with reduced power density
Liang et al. Origin of stray-grain formation and epitaxy loss at substrate during laser surface remelting of single-crystal nickel-base superalloys
US6103402A (en) Crack free metallic articles
US9770781B2 (en) Material processing through optically transmissive slag
US20150132601A1 (en) Superalloy material deposition with interlayer material removal
Chen et al. Epitaxial laser deposition of single crystal Ni-based superalloys: Repair of complex geometry
Liu et al. Effect of substrate preset temperature on crystal growth and microstructure formation in laser powder deposition of single-crystal superalloy
US10190220B2 (en) Functional based repair of superalloy components
Santos et al. Optimization of laser deposited Ni-based single crystal superalloys microstructure
CN111733451B (en) A dual-beam laser-based method for simultaneous melting deposition-remelting elimination of heterocrystalline defects in single crystal superalloys
Cardoso et al. Microstructure of a coated single crystalline René N5 part repaired by epitaxial laser deposition
US20150108098A1 (en) Single crystal welding of directionally solidified materials
JP2010075999A (en) Unidirectionally-solidification process and casting formed thereby
Liu et al. Epitaxial growth of a single-crystal nickel-based superalloy during laser melting with high-power flat-top laser
Liu et al. Mathematical modeling of crystal growth and microstructure formation in multi-layer and multi-track laser powder deposition of single-crystal superalloy
Abdelwahed et al. Cracking mechanisms and effect of extensive preheating in CM247LC and IN713LC Ni-base superalloy processed by Laser Powder Bed Fusion
US20120285933A1 (en) Monocrystalline welding of directionally compacted materials
Ajithkumar et al. Investigation of single and double pulse techniques on microstructure and mechanical anisotropy of inconel 686 component fabricated by wire Arc directed energy deposition
Korsmik et al. Development of laser powder cladding technology for restoration of heat-resistant nickel alloys turbine blades
Yang et al. On the stray grains in single-crystal Ni-based superalloy by additive manufacturing: formation mechanism and elimination strategy
Chen et al. Wire arc additive manufacturing: systems, microstructure, defects, quality control, and modelling
KR102280670B1 (en) Repair of superalloy components by addition of powdered alloy and flux material