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ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 729-734, October 7–11, 1996,
... plain TiC-Ni type and alloyed (Ti,Mo)C-NiCo type powders with different binder content. The coatings were characterized by optical and scanning electron microscopy, microhardness measurements, XRD analysis and in an abrasion wear test. The results showed that the sprayability of these novel hardmetal...
Proceedings Papers

ITSC1998, Thermal Spray 1998: Proceedings from the International Thermal Spray Conference, 187-192, May 25–29, 1998,
... Abstract The paper reports a series of experiments with various HVOF spray systems (Jet Kote, Top Gun, Diamond Jet (DJ) Standard, DJ 2600 and 2700, JP-5000) using different types of WC-Co and WC-Co-Cr powders. The microstructure and phase composition of powders and coatings were analyzed...
Proceedings Papers

ITSC 2003, Thermal Spray 2003: Proceedings from the International Thermal Spray Conference, 793-799, May 5–8, 2003,
... samples were sprayed using JP-5000 equipment and two spray parameter sets. During coating characterization, special emphasis was placed on the changes in chemical (carbon loss and oxygen uptake) and phase compositions during spraying and their correlation to the coating microstructures and properties...
Proceedings Papers

ITSC 2003, Thermal Spray 2003: Proceedings from the International Thermal Spray Conference, 1053-1061, May 5–8, 2003,
... conductivity, elastic constants, residual stresses up to application oriented properties such as wear resistance. Property combinations presuming high sensitivity to microstructural changes are preferentially characterized and statistically correlated. electrical conductivity microstructure porosity...
Proceedings Papers

ITSC 2003, Thermal Spray 2003: Proceedings from the International Thermal Spray Conference, 1291-1296, May 5–8, 2003,
... of the coating were investigated. The coating microstructure was examined with optical microscopy. The coating properties were characterized by cross sectional microhardness. The particle velocity during in-flight was examined using a particle velocity/temperature measurement system based on thermal radiation...
Proceedings Papers

ITSC 2003, Thermal Spray 2003: Proceedings from the International Thermal Spray Conference, 1557-1563, May 5–8, 2003,
... Abstract Quantitative characterization of microstructures of plasma sprayed coatings, that accounts for their anisotropic and “irregular” character, is developed. An important finding is that “islands” of partial contacts along microcrack faces –even if they are very small - produce a strong...
Proceedings Papers

ITSC 2003, Thermal Spray 2003: Proceedings from the International Thermal Spray Conference, 1667-1673, May 5–8, 2003,
... determined for three different types of coating structures and compared based on the maximum indicated load and the surface area loaded. The nature and locus of the fractures were characterized according to the percent of adhesive and/or cohesive failure, and the tested interfaces and layers involved were...
Proceedings Papers

ITSC 2004, Thermal Spray 2004: Proceedings from the International Thermal Spray Conference, 625-631, May 10–12, 2004,
... are investigated. The microstructure of coating is characterized with optical microscopy and scanning electron microscopy. The properties of the coating are characterized by microhardness and abrasive wear tests. The particle velocity during in-flight is carried out using a particle velocity/temperature...
Proceedings Papers

ITSC 2015, Thermal Spray 2015: Proceedings from the International Thermal Spray Conference, 142-149, May 11–14, 2015,
... particles changed via spray conditions on coating microstructure and porosity was investigated. The melting degree of spray particles was characterized by using 3D confocal laser microscopy. The porosity of the coating was estimated by image analysis. The results showed that the melting degree of alumina...
Proceedings Papers

ITSC 2015, Thermal Spray 2015: Proceedings from the International Thermal Spray Conference, 173-178, May 11–14, 2015,
... and microstructure evaluation. Tensile bond strength testing was performed per ASTM C633. Relative measurements of residual stress in each coating were determined by XRD. The SprayWatch system (Osier make) was used to determine velocity and temperature of coating. Results and Discussion Powder Characterization...
Proceedings Papers

ITSC1996, Thermal Spray 1996: Proceedings from the National Thermal Spray Conference, 97-106, October 7–11, 1996,
... as agglomerated and plasma-densified) of the composition WC-10%Co- 4%Cr have been thoroughly characterized and were sprayed by DCS, HVOF (CDS process) and APS. The microstructures of the coatings were characterized and their wear behaviour was investigated by means of an abrasion wear test. For the best...
Proceedings Papers

ITSC 2009, Thermal Spray 2009: Proceedings from the International Thermal Spray Conference, 945-951, May 4–7, 2009,
... Abstract In this study, boron-rich iron-nickel coatings were deposited on stainless steel by air-plasma spraying. Coating microstructure was characterized by SEM, EDS, and XRD analysis and adhesion strength, tensile properties, and residual stress were measured. The shielding effectiveness...
Proceedings Papers

ITSC 2001, Thermal Spray 2001: Proceedings from the International Thermal Spray Conference, 433-439, May 28–30, 2001,
... properties of cold spray nickel in the as-sprayed and heat treated conditions, then compare them to those of bulk nickel and electroplated nickel. Characterization of freestanding structures is subjective since the final product of any thermal spray process produces a material unlike any other material...
Proceedings Papers

ITSC 2004, Thermal Spray 2004: Proceedings from the International Thermal Spray Conference, 157-162, May 10–12, 2004,
... Characterization and analysis The nano and microstructure of the feedstocks and coatings was analyzed using a field-emission scanning electron microscope (S-4700, Hitachi, Tokyo, Japan). An analysis by energy-dispersive Xray spectroscopy (EDS) was performed using the same equipment. The coating porosity...
Proceedings Papers

ITSC 2004, Thermal Spray 2004: Proceedings from the International Thermal Spray Conference, 286-289, May 10–12, 2004,
... have been characterized. X-ray diffraction patterns showed that FeNb coatings present a partially amorphous structure, however, in the case of FeSi alloys, their structure is completely crystalline. The use of the two modes of cooling has given almost the same results for the two types of powders...
Proceedings Papers

ITSC 2008, Thermal Spray 2008: Proceedings from the International Thermal Spray Conference, 1496-1500, June 2–4, 2008,
... Abstract Three types of cobalt-based cermet coatings were prepared by high velocity oxy-fuel (HVOF) spraying using cobalt- clad TiC-50Co, SiC-50 Co and WC-18Co powders. The microstructure of three coatings was characterized using a scanning electron microscope (SEM). The adhesive strength...
Proceedings Papers

ITSC 2010, Thermal Spray 2010: Proceedings from the International Thermal Spray Conference, 259-265, May 3–5, 2010,
... microscopy (SEM) to investigate the effect of surface temperature on lamellar interface bonding. The phases of the coatings were characterized by x-ray diffraction (XRD). The phase content in the powder and coating was 3 Results and discussion 3.1 Microstructure of Al2O3 coatings To reveal the lamellar...
Proceedings Papers

ITSC 2018, Thermal Spray 2018: Proceedings from the International Thermal Spray Conference, 69-74, May 7–10, 2018,
..., on the microstructure and properties of coatings have been investigated. The microstructure, hardness, bonding strength, chemical composition, and online monitoring of these coatings and flying particles process of the powers were characterized. The results showed that the temperature and speed of the flying particles...
Proceedings Papers

ITSC 2018, Thermal Spray 2018: Proceedings from the International Thermal Spray Conference, 154-158, May 7–10, 2018,
... in-flight behavior during plasma spraying and its significance in determining the microstructure and mechanical properties of plasma sprayed yttria partially stabilized zirconia (YPSZ) based thermal barrier coatings (TBCs). The as-sprayed YPSZ coatings were characterized in terms of the defects...
Proceedings Papers

ITSC 2022, Thermal Spray 2022: Proceedings from the International Thermal Spray Conference, 750-755, May 4–6, 2022,
... to partial and/or full melting of cobalt, followed by rapid cooling. The microstructure and phases of the deposited coatings and bulk are characterized by using Scanning Electron Microscopy (SEM) and X-ray Diffraction (XRD). Electron Backscattered Diffraction (EBSD) investigations enable local phase...