Influence of Heat Treatment on Microstructure and Mechanical Properties at Elevated Temperatures of Nonweldable Ni-Based Alloy Printed by Fused Filament Fabrication

DOI zum Zitieren der Version auf EPub Bayreuth: https://doi.org/10.15495/EPub_UBT_00009014
URN to cite this document: urn:nbn:de:bvb:703-epub-9014-3

Title data

Daoud, Haneen ; Zheng, Ying ; Kulig, Agata ; Agarkov, Natalja ; Mese, Esma ; Hofmann, Wolfgang ; Würtele, Peter ; Glatzel, Uwe:
Influence of Heat Treatment on Microstructure and Mechanical Properties at Elevated Temperatures of Nonweldable Ni-Based Alloy Printed by Fused Filament Fabrication.
In: Advanced Engineering Materials. Vol. 27 (2025) Issue 24 . - 2500589.
ISSN 1527-2648
DOI der Verlagsversion: https://doi.org/10.1002/adem.202500589

	Format: PDF Name: Adv Eng Mater - 2025 - Daoud - Influence of Heat Treatment on Microstructure and Mechanical Properties at Elevated.pdf Version: Published Version Available under License Creative Commons BY 4.0: Attribution
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Abstract

The microstructure and mechanical properties of printed specimens of nonweldable MAR-M247 alloy in the sintered state and after different heat treatments are investigated. Specimens are produced using the fused filament fabrication process, which enables the fabrication of crack-free components. The microstructure is characterized by scanning electron microscopy, electron backscatter diffraction, and X-ray diffraction. Tensile tests are conducted at room temperature, 500, 600, and 700?°C. All heat-treated specimens exhibit the formation of ?? (gamma prime) precipitates larger than 500?nm, along with various carbides and equiaxed grain structures. The as-heat-treated specimens at the high subsolvus temperature of 1220?°C show the highest tensile strength with the highest elongation and stable tensile strength up to 700?°C.

Further data

Item Type:	Article in a journal
Keywords:	additive manufacturing; fused filament fabrication; heat treatments; MAR-M247 alloys; nonweldable alloys; sintering
DDC Subjects:	600 Technology, medicine, applied sciences > 620 Engineering
Institutions of the University:	Faculties > Faculty of Engineering Science > Chair Metals and Alloys > Chair Metals and Alloys - Univ.-Prof. Dr.-Ing. Uwe Glatzel Profile Fields > Advanced Fields > Advanced Materials Faculties Faculties > Faculty of Engineering Science Faculties > Faculty of Engineering Science > Chair Metals and Alloys Profile Fields Profile Fields > Advanced Fields
Language:	English
Originates at UBT:	Yes
URN:	urn:nbn:de:bvb:703-epub-9014-3
Date Deposited:	24 Mar 2026 11:59
Last Modified:	24 Mar 2026 11:59
URI:	https://epub.uni-bayreuth.de/id/eprint/9014

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