Výsledky vyhledávání - "Norbert Pirch"

Akademický článek

Geometry Effect on Microstructure and Mechanical Properties in Laser Powder Bed Fusion of Ti-6Al-4V

Autor: Juri Munk, Eric Breitbarth, Tobias Siemer, Norbert Pirch, Constantin Häfner

Publikováno v: Metals, Vol 12, Iss 3, p 482 (2022)

Laser Powder Bed Fusion (LPBF) of Ti-6Al-4V enables the manufacturing of complex parts for lightweight applications. The emerging microstructure in the LPBF process and thus the mechanical properties are defined by the thermal cycles, which are local

Externí odkaz: https://doaj.org/article/ebc2fdb7857a4e7f814733dd7d3740b5

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Akademický článek

The Influence of the Powder Stream on High-Deposition-Rate Laser Metal Deposition with Inconel 718

Autor: Chongliang Zhong, Norbert Pirch, Andres Gasser, Reinhart Poprawe, Johannes Henrich Schleifenbaum

Publikováno v: Metals, Vol 7, Iss 10, p 443 (2017)

For the purpose of improving the productivity of laser metal deposition (LMD), the focus of current research is set on increasing the deposition rate, in order to develop high-deposition-rate LMD (HDR-LMD). The presented work studies the effects of t

Externí odkaz: https://doaj.org/article/7538e68c59de4f2bbc877b6678b30fa1

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Manufacturing oxide-dispersion-strengthened steels using the advanced directed energy deposition process of high-speed laser cladding

Autor: Markus B. Wilms, Norbert Pirch, Bilal Gökce

In this work, we demonstrate the feasibility of manufacturing an iron-based oxide-dispersion-strengthened (ODS) PM2000 composite material with the chemical composition of Fe20Cr4.5Al0.5Ti + 0.5Y2O3 (in wt.%) via the advanced directed energy depositio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee525fb5bf9ceb0a7890e2ae0b1efa22
https://publica.fraunhofer.de/handle/publica/428760

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Laser Directed Energy Deposition of an Almgsczr-Alloy in High-Speed Process Regimes

Autor: Tong Zhao, Teng Chen, Yuhan Wang, Mengjie Wang, Maha Bakir, Marius Dahmen, Wangcan Cai, Chen Hong, Thomas Schopphoven, Norbert Pirch, Matthias Brucki, Andres Gasser, Constantin Leon Häfner

Publikováno v: Materials; Volume 15; Issue 24; Pages: 8951

Aluminum-magnesium-scandium-zirconium (AlMgScZr) alloys need to be rapidly cooled from the liquid state to obtain a high degree of solute supersaturation that helps to exploit the precipitation hardening potential of the material. While AlMgScZr allo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bce0fd80a5d26cb1eb32dca795619dc3
https://publica.fraunhofer.de/handle/publica/418019

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A combined heat source model for the prediction of residual stress post extreme high-speed laser material deposition

Autor: Tianci Li, Lele Zhang, Geng Chen, Norbert Pirch, Thomas Schopphoven, Andres Gasser, Reinhart Poprawe

Extreme high-speed laser material deposition (EHLA) can be utilized for mass customization owing to its enhanced process speed and productivity. Although EHLA has multiple similarities with additive manufacturing techniques such as conventional laser

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c49687fc65c39ea0095f137973f3c0a5
https://publica.fraunhofer.de/handle/publica/428771

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