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22 Result(s)
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Stefan Kaierle
Engineering
Industrial and Production Engineering
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Article
Open AccessCorrection to: Approach for the monetary evaluation of process innovations in early innovation phases focusing on manufacturing and material costs
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Article
Open AccessApproach for the monetary evaluation of process innovations in early innovation phases focusing on manufacturing and material costs
In early innovation phases, the monetary evaluation of process innovations is a challenge for companies due to a lack of data. However, an innovation evaluation is essential in an early innovation phase to ens...
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Article
Open AccessSensitivity of process signals to deviations in material distribution and material properties of hybrid workpieces
Hybrid components, made of multiple materials, can meet the increasing demands for lightweight construction and functional integration in the automotive and aircraft industry. Hybrid semi-finished components a...
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Chapter and Conference Paper
Experimental Investigation of Additive Manufacturing of Fused Silica Fibers for the Production of Structural Components in the Laser Glass Deposition Process
Additive manufacturing is an established technique in much of industry for manufacturing complex structures from polymer and metal materials. The additive manufacturing of glass materials is a very young proce...
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Chapter and Conference Paper
Development of a Coaxial Laser Wire System for the Additive Manufacturing of Functional Graded Materials using Direct Energy Deposition
Laser wire Direct Energy Deposition (L-DED) is a manufacturing process capable of producing additively generated structures as well as repairing and coating of surfaces. The use of a coaxial system technology ...
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Book and Conference Proceedings
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Book and Conference Proceedings
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Article
Open AccessLaser-based powder bed fusion of Ti-6Al-4V powder modified with SiO2 nanoparticles
In laser-based powder bed fusion of metals (PBF-LB/M), residual oxygen in the processing atmosphere is regarded as disruptive and disadvantageous for the manufacturing process and the resulting component prope...
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Article
Open AccessResidual oxygen content and powder recycling: effects on microstructure and mechanical properties of additively manufactured Ti-6Al-4V parts
The laser-based powder bed fusion of metals (PBF-LB/M) offers a variety of advantages over conventional processing techniques and the possibility to recycle and reuse powder increases its sustainability. Howev...
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Chapter and Conference Paper
Additive Manufacturing of Optical, Thermal and Structural Components by Laser Metal Deposition
Additive manufacturing of optical, thermal and structural components require specially designed materials and advanced manufacturing processes. Building on the state of the art of laser metal deposition, this ...
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Chapter and Conference Paper
Development of System Technology for Coaxial Laser Material Deposition of Optical, Thermal and Structural Components
Coaxial laser material deposition is a manufacturing process for Additive Manufacturing (AM) based on wire and powder deposition materials. The materials to be processed are melted by the laser radiation and d...
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Article
Open AccessDevelopment of an empirical process model for adjusted porosity in laser-based powder bed fusion of Ti-6Al-4V
A promising approach to address the mismatch of bone and implant stiffness, leading to the stress-shielding phenomenon, is the application of functionally graded materials with adjusted porosity. Although defe...
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Chapter and Conference Paper
Additive Manufacturing of Glass Materials for the Production of Optical, Thermal and Structural Components
Additive manufacturing of optical, thermal and structural components requires a combination of different matched manufacturing processes. A new process development, which has only been investigated in research...
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Article
Open AccessHyperspectral imaging for prediction of surface roughness in laser powder bed fusion
This article discusses the relevance of in situ quality assurance in metal additive manufacturing for cost-efficient product qualification. It presents an approach for monitoring the laser powder bed fusion (L...
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Article
Open AccessLaser-based powder bed fusion of niobium with different build-up rates
Niobium is an important material for high temperature applications, in space, in superconductors or in chemical process constructions. Laser-based powder bed fusion of niobium (PBF-LB/M/Nb) offers new opportun...
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Article
Open AccessInfluence of degree of deformation on welding pore reduction in high-carbon steels
Locally adapted properties within a machine component offer opportunities to increase the performance of a component by using high strenght materials where they are needed. The economic production of such hybr...
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Chapter and Conference Paper
Additiv gefertigte Glaskugellinsen für die Anwendung
Das Laser-Glass-Deposition Verfahren (LGD) ermöglicht eine laser- und glasfaserbasierte Additive Fertigung optischer Komponenten aus Glas im Makro- bis Mikrometerbereich bei gleichzeitig hoher Gestaltungsfreih...
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Chapter and Conference Paper
Koaxiales Laser-Pulver-Auftragschweißen mit zentraler Schweißgutzufuhr über ein Kapillarröhrchen zur Steigerung der Pulverausnutzung
Aufgrund der hohen Kosten von speziellen Pulverwerkstoffen beim Laser-Auftragschweißen zeigt sich konventionelle Systemtechnik hinsichtlich der Pulverausnutzung nachteilig: Bei zentraler Laserstrahlführung und...
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Chapter and Conference Paper
Entwicklung eines innovativen Anlagenkonzepts für die Verarbeitung von Ti-6Al-4V im LPBF-Prozess unter silandotierter Argonatmosphäre
Die Anwesenheit von Sauerstoff bewirkt beim Laser Powder Bed Fusion (LPBF) eine Bauteilversprödung und führt zu Oxidschichten mit verschlechterten Benetzungseigenschaften des Grundwerkstoffes. Zur Inertisierun...
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Article
Open AccessAdditive manufacturing of metal-bonded grinding tools
Grinding tools with superabrasive grains can be manufactured from different bond materials. In several industrial applications, metallic bond systems are used. In general, these show good grain retention and o...
