Effect of heat treatment on the high temperature fatigue life of single crystalline nickel base superalloy additively manufactured by means of selective electron beam melting

Journal article


Publication Details

Author(s): Meid C, Dennstedt A, Ramsperger M, Pistor J, Ruttert B, Lopez-Galilea I, Theisen W, Körner C, Bartsch M
Journal: Scripta Materialia
Publication year: 2019
Volume: 168
Pages range: 124-128
ISSN: 1359-6462
Language: English


Abstract

The high temperature low cycle fatigue behavior of specimens
manufactured from a single crystalline nickel base superalloy processed
by selective electron beam melting (SEBM) has been investigated with
respect to the effect of different heat treatments. The fatigue lifetime
of heat treated material was significantly higher than that of as-built
material. Applying hot isostatic pressing (HIP) with an integrated heat
treatment resulted in even longer fatigue life. Lifetime limiting crack
initiation occurred at interfaces of melting layers, at micro-porosity
generated during solidification or, in HIP treated samples, at
precipitates which formed at the location of collapsed pores.



FAU Authors / FAU Editors

Körner, Carolin Prof. Dr.-Ing.
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)
Pistor, Julian
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)
Ramsperger, Markus
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)


External institutions with authors

Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR)
Ruhr-Universität Bochum (RUB)


Research Fields

Additive Manufacturing
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)
High Temperature Materials
Lehrstuhl für Werkstoffwissenschaften (Werkstoffkunde und Technologie der Metalle)


How to cite

APA:
Meid, C., Dennstedt, A., Ramsperger, M., Pistor, J., Ruttert, B., Lopez-Galilea, I.,... Bartsch, M. (2019). Effect of heat treatment on the high temperature fatigue life of single crystalline nickel base superalloy additively manufactured by means of selective electron beam melting. Scripta Materialia, 168, 124-128. https://dx.doi.org/10.1016/j.scriptamat.2019.05.002

MLA:
Meid, Carla, et al. "Effect of heat treatment on the high temperature fatigue life of single crystalline nickel base superalloy additively manufactured by means of selective electron beam melting." Scripta Materialia 168 (2019): 124-128.

BibTeX: 

Last updated on 2019-07-05 at 14:53