(PDF) Laser cladding repair of turbine blades in power plants: …
Sep 1, 2009 · Conventional techniques to increase service life include brazing of an erosion shield at the leading edge of the turbine blade, open arc hardfacing, and cladding with erosion resistant...
Some aspects of laser surface cladding in the turbine industry
Oct 23, 2000 · To overcome this problem, laser cladding of the leading edge with Co-based stellite powder is commonly used. This paper discusses microscopically the effect of power density and beam interaction time in such a cladding process.
We have been investigating for the past few years the potential of laser cladding to deposit a high quality and erosion resistant protection shield on the leading edge of LP blades. Laser cladding offers unique advantages over the conventional techniques. The project to-date has demonstrated the
Laser cladding of turbine blades - ScienceDirect
Mar 1, 2000 · This paper presents a comparison between the microstructure and properties of plasma cladding in which the clad material is supplied via a wire, and laser cladding with direct injection of cladded powder into the melt pool.
Laser Cladding - Fraunhofer IWS
The process enables high precision and minimal thermal stress on the workpiece. It is particularly suitable for processing complex geometries and applying wear-resistant coatings. The flexibility and accuracy of laser cladding make it a preferred method for demanding industrial applications.
Single-crystal turbine blade tip repair by laser cladding and …
Nov 1, 2017 · The processes of laser cladding and laser remelting were successfully applied for the single-crystal cladding of nickel-based superalloy substrates and turbine blades. A set of process parameters was defined and verified on flat and notched substrates, as …
Laser Cladding for Crack Repair of CMSX-4 Single-Crystalline Turbine ...
Dec 21, 2016 · The goal of this work was to establish a process to fill cracks and notches on single-crystal substrates by single-crystal cladding, with the long term goal being the repair of cracks on turbine blades of similar microstructure.
Low-pressure turbine blade leading edge protection using robotic laser …
Sep 5, 2022 · Low-pressure turbine blades are the most erosion-exposed moving parts of the steam turbine. This article brings a detailed overview of an innovative system applying a stellite coating to the leading edge of the steam turbine blades using the …
(PDF) Laser cladding and applications - ResearchGate
Feb 28, 2023 · Laser coating is a material placement technique wherein a powder material is melted using a laser to coat a portion of a substrate. In this study, laser cladding and its applications are...
Laser cladding repair of turbine blades in power plants: from …
Jul 18, 2013 · The project has demonstrated the feasibility of in situ repair of turbine blades in trials conducted at a power station using a fibre delivered diode laser and a robot.