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hardness

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Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 217-224, May 25–29, 1998,
... a needle shape with finer distributions. Possible thermal history during each coating process is discussed. Based on microstructural observation, the hardness, wear resistance, and corrosion behaviors are reported. As expected, the alloy properties are directly related to their constituents...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 439-444, October 7–11, 1996,
... Abstract The gas tunnel type plasma spraying enables to produce high quality ceramic coatings. Moreover a high hardness coating was obtained at a short spraying distance in the case of alumina coating. A high hardness zirconia (ZrO 2 ) coating could also be obtained at an atmospheric pressure...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 493-499, October 7–11, 1996,
... of this investigation is to study the effect of type of abrasive, table speed, and depth of cut on the surface finish and hardness of WC-Co. Thermally sprayed WC-12 wt % Co and WC-17 wt % Co produced using the high velocity oxygen fuel (HVOF) process, have been ground using silicon carbide and diamond wheels under...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 1201-1205, May 8–11, 2000,
... of this work was to demonstrate that a surface profilometer can be used to understand the deposition efficiency and mechanical properties of thermal spray coatings. Key words: Roughness, Mechanical Properties, DE. coating roughness deposition efficiency elastic modulus hardness thermal spray coating...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 199-205, May 25–29, 1998,
... Thermal Spray Conference, 25-29 May 1998, Nice, France APS AND HVOF COATINGS ALTERNATIVE TO HARD CHROMIUM, ATRIBOLOGICAL APPROACH DUHAMEL J.P.,CHENY.M REBY J NESTLER M Sulzer Metco, VILLEFONTAINE, FRANCE *CETIM, SENLlS, FRANCE **CETIM, NANTES, FRANCE Sulzer Metco, HATTERSHEIM A.M., GERMANY 1) INTRODUCTION...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1073-1078, May 25–29, 1998,
... Abstract High-velocity oxyfuel (HVOF) spraying is a viable alternative for hard chrome plating because of its excellent coating properties and substantially lower environmental pollution. Initial applications in ball valves, journals, and hydraulic cylinders on earthmoving equipment have proven...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 189-196, May 24–28, 2021,
... Temperature Influence on Metallurgical Bonding: An Investigation for Soft Particle Deposition on Hard Substrate A. Nastic and B. Jodoin University of Ottawa Cold Spray Research Laboratory, Ottawa, Ontario, Canada Aleksandra.Nastic@uottawa.ca D. Poirier and J.-G. Legoux National Research Council of Canada...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 596-602, May 24–28, 2021,
... Abstract In cold spray, high adhesion of soft materials on hard substrates is commonly achieved by using helium as the propelling gas. This is the case of copper coatings on steel where adhesion may reach values as high as 60 to 80 MPa (glue failure), however, helium is a limited, expensive...
Proceedings Papers

ITSC 2021, Thermal Spray 2021: Proceedings from the International Thermal Spray Conference, 603-610, May 24–28, 2021,
... International® May 24 28, 2021 All rights reserved. F. Azarmi, X. Chen, J. Cizek, C. Cojocaru, B. Jodoin, H. Koivuluoto, Y. Lau, R. Fernandez, O. Ozdemir, H. Salami Jazi, and F. Toma, editors www.asminternational.org DOI: 10.31399/asm.cp.itsc2021p0603 Novel powder modification method for the cold spray of hard...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 575-582, May 8–11, 2000,
... been found necessary. A cored wire formulation, referred to as Alpha-1800, has been developed to produce tailored arc-sprayed coatings that are tough enough to resist particle impacts at 90° and sufficiently hard to deflect eroding particles at low impact angles. Typical 1 mm-thick coatings composed...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 1145-1148, May 8–11, 2000,
... involved in hard chrome plating replacement in naval components. It provides a review of characteristic thermal spray applications developed by the Joint Naval Components Reclamation Program. chrome plating naval ship components thermal spraying Thermal Spray Surface Engineering via Applied...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1657-1662, May 25–29, 1998,
... Abstract The one problem of zirconia (ZrO 2 ) coatings is control of the porosity, because the functionality of wear resistance, corrosion resistance, and so on are required for their application in the extreme environment. In this study, a high hardness and dense ZrO 2 coatings is formed...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 407-412, May 8–11, 2000,
... would rely upon the more readily available coating hardness values to predict performance. This paper will focus on the reproducibility of coating macrohardness with a plasma spray process. It is shown that plasma spray parameters affect the hardness of CoNiCrAlY-hBN/Polyester coatings by changing...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 1135-1140, May 8–11, 2000,
... Abstract During the last decades, improved understanding of tribological behavior of different material combinations led also to an intensified development of thermal spray applications. In the field of e.g. hard chromium replacement by thermal spraying, significant amount of work has been done...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 1345-1354, May 8–11, 2000,
... Abstract Frequent reporting of microhardness data for thermal spray coatings testifies to the widespread use of this technique for coatings characterization. However, inadequate reporting of microhardness procedures makes comparisons between published coatings hardness statistics difficult...
Proceedings Papers

ITSC2000, Thermal Spray 2000: Proceedings from the International Thermal Spray Conference, 463-469, May 8–11, 2000,
... Abstract In cutting tool technologies WC-Co based materials are increasingly replaced by composites containing TiC as hard phase and Ni or Co based metallic binders to improve life time and the performance at higher temperatures. These new light-weight materials are also promising for wear...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 921-926, October 7–11, 1996,
... Abstract Thermally sprayed coatings are applied to various substrates for the purpose of providing a wear-resistant, corrosion-resistant, or heat barrier surface. The materials used to coat a substrate will vary in hardness with respect to each other and with respect to the substrate. Denser...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 207-210, May 25–29, 1998,
... Abstract For the purpose of getting high hardness and high wear-resistant coating by arc spraying technology, the arc spraying of 7Cr13 cored wire is adopted in this paper. The metallurgical process of the cored wire arc spraying is discussed. The bond strength, hardness and tribological...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 1449-1453, May 25–29, 1998,
... powders were plasma sprayed onto magnesium in a vacuum chamber, then heated to melting temperatures with a swept electron beam. Copper and nickel were chosen because they form hard intermetallic compounds when melted with magnesium. The structure and properties of the remelted Cu- or Ni-alloyed surface...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 107-112, October 7–11, 1996,
... coatings are sprayed with numerous powders made by various processes. These powders include agglomerated sintered powders, fused-crushed powders, extra high carbon WC-Co powders and (W 2 C, WC)-Co powders. After spraying, properties of coatings such as hardness, wear resistance. X-ray diffraction...