Application of hardmetals as thermal spray coatings

LM Berger - International Journal of Refractory Metals and Hard …, 2015 - Elsevier
Thermally sprayed hardmetal coatings have a typical thickness within the range 100–500
μm. Thus, thermal spray enables the functionality of hardmetals to be realized on the surface …

Advances in thermally sprayed WC-based wear-resistant coatings: Co-free binders, processing routes and tribological behavior

K Torkashvand, S Joshi, M Gupta - Journal of Thermal Spray Technology, 2022 - Springer
A growing understanding of wear behavior of various thermally sprayed ceramic–metallic
matrix coatings has occurred over recent years. This has resulted from the continuous …

High-velocity oxygen-fuel spray parameter optimization of nanostructured WC–10Co–4Cr coatings and sliding wear behavior of the optimized coating

S Hong, Y Wu, B Wang, Y Zheng, W Gao, G Li - Materials & Design, 2014 - Elsevier
In this paper, the Taguchi method was employed to optimize the spray parameters (spray
distance, oxygen flow and kerosene flow) to achieve the highest hardness and, in turn, the …

[HTML][HTML] Experimental study of high velocity oxy-fuel sprayed WC-17Co coatings applied on complex geometries. Part A: Influence of kinematic spray parameters on …

V Katranidis, S Gu, B Allcock, S Kamnis - Surface and Coatings Technology, 2017 - Elsevier
When a complex geometry is rotated in front of the thermal spray gun, the following
kinematic parameters vary in a coupled fashion dictated by the geometry: Stand-off distance …

Development and characterization of natural chromite coating on metal substrate using the plasma spray process

ZA Abbasi, A Mateen, A Niaz, MA Ur Rehman… - ACS …, 2023 - ACS Publications
Natural materials are gaining interest as coating feedstock because their “quality to cost”
ratio is better and they are more environmentally friendly than most of the synthetic ceramics …

Effects and interplays of spray angle and stand-off distance on the sliding wear behavior of HVOF WC-17Co coatings

V Katranidis, S Kamnis, B Allcock, S Gu - Journal of thermal spray …, 2019 - Springer
The state of particle impact (velocity and temperature) significantly affects the coating's
microstructural, mechanical properties and wear performance. The spray stand-off distance …

High performance thermal-sprayed WC-10Co-4Cr coatings in narrow and complex areas

R Upadhyaya, S Tailor, S Shrivastava… - Surface …, 2018 - journals.sagepub.com
A complex geometry is always a challenge for the thermal spray community, because the
spray angle affects the droplet's impact on the substrate resulting in changes in coating …

Cermet coatings with Fe-based matrix as alternative to WC–CoCr: Mechanical and tribological behaviours

G Bolelli, T Börner, F Bozza, V Cannillo, G Cirillo… - Surface and Coatings …, 2012 - Elsevier
Recently, cermet coatings with Fe-based metal matrix have emerged as a less hazardous
and more environmentally friendly alternative to WC–Co-based ones, which have known …

Abradable coatings for small turboprop engines: A case study of nickel-graphite coating

J Ziegelheim, L Lombardi, Z Cesanek… - Journal of Thermal …, 2019 - Springer
For the engines used in small turboprop aircrafts, the introduction of abradable coatings
represents a feasible way to reach higher levels of overall engine efficiency, specifically by …

Development of processing windows for HVOF carbide-based coatings

ASM Ang, H Howse, SA Wade, CC Berndt - Journal of Thermal Spray …, 2016 - Springer
Optimized processing windows for spraying high-quality metal carbide-based coatings are
developed using particle diagnostic technology. The cermet coatings were produced via the …