Microstructural characterization of Ni-based self-fluxing alloy after selective surface-engineering using diode laser

Microstructural characterization of Ni-based self-fluxing alloy after selective... Applied Surface Science 442 (2018) 726–735 Contents lists available at ScienceDirect Applied Surface Science journal homepage: www.elsevier.com/locate/apsusc Full Length Article Microstructural characterization of Ni-based self-fluxing alloy after selective surface-engineering using diode laser a,⇑ a b b Eun-Joon Chun , Changkyoo Park , Hiroshi Nishikawa , Min-Su Kim Busan Machinery Research Center, Korea Institute of Machinery and Materials, 48, Mieumsandan 5-ro 41beon-gil, Gangseo-gu, Busan 46744, Republic of Korea Joining and Welding Research Institute, Osaka University, 11-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan ar ti c l e i nf o ab stra ct Article history: The microstructural characterization of thermal-sprayed Ni-based self-fluxing alloy (Metco-16C ) after Received 28 December 2017 laser-assisted homogenization treatment was performed. To this end, a high-power diode laser system Revised 2 February 2018 was used. This supported the real-time control of the target homogenization temperature at the substrate Accepted 22 February 2018 surface. Non-homogeneities of the macrosegregation of certain elements (C and Cu) and the local concen- Available online 24 February 2018 tration of Cr-based carbides and borides in certain regions in the as-sprayed state could be enhanced with the application of homogenization. After homogenization at 1423 K, the hardness of the thermal-sprayed Keywords: layer was found http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Precambrian Research Elsevier

Microstructural characterization of Ni-based self-fluxing alloy after selective surface-engineering using diode laser

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier B.V.
ISSN
0301-9268
eISSN
1872-7433
D.O.I.
10.1016/j.apsusc.2018.02.226
Publisher site
See Article on Publisher Site

Abstract

Applied Surface Science 442 (2018) 726–735 Contents lists available at ScienceDirect Applied Surface Science journal homepage: www.elsevier.com/locate/apsusc Full Length Article Microstructural characterization of Ni-based self-fluxing alloy after selective surface-engineering using diode laser a,⇑ a b b Eun-Joon Chun , Changkyoo Park , Hiroshi Nishikawa , Min-Su Kim Busan Machinery Research Center, Korea Institute of Machinery and Materials, 48, Mieumsandan 5-ro 41beon-gil, Gangseo-gu, Busan 46744, Republic of Korea Joining and Welding Research Institute, Osaka University, 11-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan ar ti c l e i nf o ab stra ct Article history: The microstructural characterization of thermal-sprayed Ni-based self-fluxing alloy (Metco-16C ) after Received 28 December 2017 laser-assisted homogenization treatment was performed. To this end, a high-power diode laser system Revised 2 February 2018 was used. This supported the real-time control of the target homogenization temperature at the substrate Accepted 22 February 2018 surface. Non-homogeneities of the macrosegregation of certain elements (C and Cu) and the local concen- Available online 24 February 2018 tration of Cr-based carbides and borides in certain regions in the as-sprayed state could be enhanced with the application of homogenization. After homogenization at 1423 K, the hardness of the thermal-sprayed Keywords: layer was found

Journal

Precambrian ResearchElsevier

Published: May 1, 2018

References

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