Interface bonding of NiCrAlY coating on laser modified H13 tool steel surface

Bonding strength of thermal spray coatings depends on the interfacial adhesion between bond coat and substrate material. In this paper, NiCrAlY (Ni-164/211 Ni22 %Cr10 %Al1.0 %Y) coatings were developed on laser modified H13 tool steel surface using atmospheric plasma spray (APS). Different laser pea...

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Main Authors:	Mohamed Reza Zalani, Mohamed Suffian, S. N., Aqida, Izwan, Ismail
Format:	Article
Language:	English
Published:	Springer Verlag 2016
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/32013/ http://umpir.ump.edu.my/id/eprint/32013/1/Interface%20bonding%20of%20NiCrAlY%20coating%20on%20laser%20modified%20H13%20tool%20steel%20surface.pdf

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author	Mohamed Reza Zalani, Mohamed Suffian S. N., Aqida Izwan, Ismail
author_facet	Mohamed Reza Zalani, Mohamed Suffian S. N., Aqida Izwan, Ismail
author_sort	Mohamed Reza Zalani, Mohamed Suffian
building	UMP Institutional Repository
collection	Online Access
description	Bonding strength of thermal spray coatings depends on the interfacial adhesion between bond coat and substrate material. In this paper, NiCrAlY (Ni-164/211 Ni22 %Cr10 %Al1.0 %Y) coatings were developed on laser modified H13 tool steel surface using atmospheric plasma spray (APS). Different laser peak power, Pp, and duty cycle, DC, were investigated in order to improve the mechanical properties of H13 tool steel surface. The APS spraying parameters setting for coatings were set constant. The coating microstructure near the interface was analyzed using IM7000 inverted optical microscope. Interface bonding of NiCrAlY was investigated by interfacial indentation test (IIT) method using MMT-X7 Matsuzawa Hardness Tester Machine with Vickers indenter. Diffusion of atoms along NiCrAlY coating, laser modified and sub�strate layers was investigated by energy-dispersive X-ray spectroscopy (EDXS) using Hitachi Tabletop Microscope TM3030 Plus. Based on IIT method results, average interfacial toughness, Kavg, for reference sample was 2.15 MPa m1/2 compared to sample L1 range of Kavg from 6.02 to 6.96 MPa m1/2 and sample L2 range of Kavg from 2.47 to 3.46 MPa m1/2. Hence, according to Kavg, sample L1 has the highest interface bonding and is being laser modified at lower laser peak power, Pp, and higher duty cycle, DC, prior to coating. The EDXS analysis indicated the presence of Fe in the NiCrAlY coating layer and increased Ni and Cr composition in the laser modified layer. Atomic diffusion occurred in both coating and laser modified layers involved in Fe, Ni and Cr elements. These findings introduce enhancement of coating system by substrate surface modification to allow atomic diffusion.
first_indexed	2025-11-15T03:04:44Z
format	Article
id	ump-32013
institution	Universiti Malaysia Pahang
institution_category	Local University
language	English
last_indexed	2025-11-15T03:04:44Z
publishDate	2016
publisher	Springer Verlag
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repository_type	Digital Repository
spelling	ump-320132021-09-14T05:47:26Z http://umpir.ump.edu.my/id/eprint/32013/ Interface bonding of NiCrAlY coating on laser modified H13 tool steel surface Mohamed Reza Zalani, Mohamed Suffian S. N., Aqida Izwan, Ismail TJ Mechanical engineering and machinery Bonding strength of thermal spray coatings depends on the interfacial adhesion between bond coat and substrate material. In this paper, NiCrAlY (Ni-164/211 Ni22 %Cr10 %Al1.0 %Y) coatings were developed on laser modified H13 tool steel surface using atmospheric plasma spray (APS). Different laser peak power, Pp, and duty cycle, DC, were investigated in order to improve the mechanical properties of H13 tool steel surface. The APS spraying parameters setting for coatings were set constant. The coating microstructure near the interface was analyzed using IM7000 inverted optical microscope. Interface bonding of NiCrAlY was investigated by interfacial indentation test (IIT) method using MMT-X7 Matsuzawa Hardness Tester Machine with Vickers indenter. Diffusion of atoms along NiCrAlY coating, laser modified and sub�strate layers was investigated by energy-dispersive X-ray spectroscopy (EDXS) using Hitachi Tabletop Microscope TM3030 Plus. Based on IIT method results, average interfacial toughness, Kavg, for reference sample was 2.15 MPa m1/2 compared to sample L1 range of Kavg from 6.02 to 6.96 MPa m1/2 and sample L2 range of Kavg from 2.47 to 3.46 MPa m1/2. Hence, according to Kavg, sample L1 has the highest interface bonding and is being laser modified at lower laser peak power, Pp, and higher duty cycle, DC, prior to coating. The EDXS analysis indicated the presence of Fe in the NiCrAlY coating layer and increased Ni and Cr composition in the laser modified layer. Atomic diffusion occurred in both coating and laser modified layers involved in Fe, Ni and Cr elements. These findings introduce enhancement of coating system by substrate surface modification to allow atomic diffusion. Springer Verlag 2016-05-10 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/32013/1/Interface%20bonding%20of%20NiCrAlY%20coating%20on%20laser%20modified%20H13%20tool%20steel%20surface.pdf Mohamed Reza Zalani, Mohamed Suffian and S. N., Aqida and Izwan, Ismail (2016) Interface bonding of NiCrAlY coating on laser modified H13 tool steel surface. Applied Physics A: Materials Science and Processing, 122 (611). pp. 122-611. ISSN 09478396. (Published) https://doi.org/10.1007/s00339-016-0124-6 https://doi.org/10.1007/s00339-016-0124-6
spellingShingle	TJ Mechanical engineering and machinery Mohamed Reza Zalani, Mohamed Suffian S. N., Aqida Izwan, Ismail Interface bonding of NiCrAlY coating on laser modified H13 tool steel surface
title	Interface bonding of NiCrAlY coating on laser modified H13 tool steel surface
title_full	Interface bonding of NiCrAlY coating on laser modified H13 tool steel surface
title_fullStr	Interface bonding of NiCrAlY coating on laser modified H13 tool steel surface
title_full_unstemmed	Interface bonding of NiCrAlY coating on laser modified H13 tool steel surface
title_short	Interface bonding of NiCrAlY coating on laser modified H13 tool steel surface
title_sort	interface bonding of nicraly coating on laser modified h13 tool steel surface
topic	TJ Mechanical engineering and machinery
url	http://umpir.ump.edu.my/id/eprint/32013/ http://umpir.ump.edu.my/id/eprint/32013/ http://umpir.ump.edu.my/id/eprint/32013/ http://umpir.ump.edu.my/id/eprint/32013/1/Interface%20bonding%20of%20NiCrAlY%20coating%20on%20laser%20modified%20H13%20tool%20steel%20surface.pdf

Interface bonding of NiCrAlY coating on laser modified H13 tool steel surface

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