Markus Ramsperger
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View article: Electron Beam Based Additive Manufacturing of Alloy 247 for Turbine Engine Application: From Research towards Industrialization
Electron Beam Based Additive Manufacturing of Alloy 247 for Turbine Engine Application: From Research towards Industrialization Open
In this contribution it will be shown how the metal powder bed fusion technology electron beam melting (EBM) enables a successful crack- and defect-free processing of the non-weldable Ni-based superalloy Alloy 247. Besides a defect-free pr…
View article: Microstructural and Mechanical Evaluation of a Cr-Mo-V Cold-Work Tool Steel Produced via Electron Beam Melting (EBM)
Microstructural and Mechanical Evaluation of a Cr-Mo-V Cold-Work Tool Steel Produced via Electron Beam Melting (EBM) Open
In this work, a highly alloyed cold work tool steel, Uddeholm Vanadis 4 Extra, was manufactured via the electron beam melting (EBM) technique. The corresponding material microstructure and carbide precipitation behavior as well as the micr…
View article: Microstructure And Mechanical Properties Of A Cold-Work Tool Steel Produced Via Electron Beam Melting (EBM)
Microstructure And Mechanical Properties Of A Cold-Work Tool Steel Produced Via Electron Beam Melting (EBM) Open
Electron Beam Melting (EBM) is one of the most promising techniques within Metal Additive Manufacturing (AM) strategies, which presently is for the manufacture of high execution segments for the aviation and clinical businesses, generally.…
View article: Creep properties of single crystal Ni-base superalloys (SX): A comparison between conventionally cast and additive manufactured CMSX-4 materials
Creep properties of single crystal Ni-base superalloys (SX): A comparison between conventionally cast and additive manufactured CMSX-4 materials Open
The present work compares the microstructures and the creep properties of two types of single crystal Ni-base superalloy CMSX-4 materials (SXs). One was produced by conventional directional solidification Bridgman processing. The other was…
View article: Numerical microstructure prediction by a coupled finite element cellular automaton model for selective electron beam melting
Numerical microstructure prediction by a coupled finite element cellular automaton model for selective electron beam melting Open
Selective Electron Beam Melting (SEBM) refers to an additive manufacturing process of building near net shaped components layer wise by iteratively melting of metal powder using an electron beam. Due to the preheating of the material and v…
View article: Microstructure and Mechanical Properties of CMSX-4 Single Crystals Prepared by Additive Manufacturing
Microstructure and Mechanical Properties of CMSX-4 Single Crystals Prepared by Additive Manufacturing Open
Currently, additive manufacturing (AM) experiences significant attention in nearly all industrial sectors. AM is already well established in fields such as medicine or spare part production. Nevertheless, processing of high-performance nic…
View article: Transmission Electron Microscopy of a CMSX-4 Ni-Base Superalloy Produced by Selective Electron Beam Melting
Transmission Electron Microscopy of a CMSX-4 Ni-Base Superalloy Produced by Selective Electron Beam Melting Open
In this work, the microstructures of superalloy specimens produced using selective electron beam melting additive manufacturing were characterized. The materials were produced using a CMSX-4 powder. Two selective electron beam melting proc…
View article: Microstructure of the Nickel-Base Superalloy CMSX-4 Fabricated by Selective Electron Beam Melting
Microstructure of the Nickel-Base Superalloy CMSX-4 Fabricated by Selective Electron Beam Melting Open
Powder bed-based additive manufacturing (AM) processes are characterized by very high-temperature gradients and solidification rates. These conditions lead to microstructures orders of magnitude smaller than in conventional casting process…