General Electric Technology Gmbh

Ansaldo Energia IP UK Limited

Innovative Sensor Technology Ist Ag

Roman Engeli

Matthias Hoebel

Alexander Stankowski

Thomas Etter

Hartmut Haehnle

Andreas Kuenzler

Mikhail Pavlov

Florian Krogmann

Fabian Geiger

Simone Hoevel

Patrik Grob

Hossein Meidani

Yannick Barb

A Ni-based superalloy composition to be used for powder-based additive manufacturing (AM) technology, such as selective laser melting (SLM) or electron beam melting (EBM). The cracking susceptibility during an AM process is considerably reduced by controlling the amount of elements, especially Hf, that form low-melting eutectics.

Ni-base superalloy composition and method for SLM processing such Ni-base superalloy composition

A Ni-base superalloy composition to be used for powder-based additive manufacturing (AM) technology, such as selective laser melting (SLM) or electron beam melting (EBM). The cracking susceptibility during an AM process is considerably reduced by controlling the amount of elements, especially Hf, that form low-melting eutectics.

A method for manufacturing a mechanical component by additive manufacturing which includes at least one layering sequence of depositing a powder material and locally melting and resolidifying the powder material. In each layering sequence, a solid layer of solidified material is formed, wherein the solid layers jointly form a solid body. An annealing sequence subsequent to at least one layering sequence includes, locally heating at least a region of the solid body in effecting a local heat input to the immediately beforehand manufactured solid layer which was formed by the immediately precedent layering sequence, with temperature being is maintained below a melting temperature of the material.

Method for manufacturing a mechanical component

The invention relates to a method of post-built up heat treatment of an additively manufactured high strength component made of a gamma-prime strengthened superalloy based on Ni or Co or Fe or combinations thereof. An application of a rapid heating-up rate of 25 to 60&#xb0; C./min in a specific temperature range during the first post-built heat treatment after additive manufacturing avoids or at least minimizes the gamma-prime precipitation in the component during heat-up. This results in crack-free components/articles compared to significant cracking present in conventionally heat treated components.

Method for post-built heat treatment of additively manufactured components made of gamma-prime strengthened superalloys

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Zurich, Switzerland

Roman Engeli