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A D V A N C E D M A T E R I A L S & P R O C E S S E S | F E B R U A R Y / M A R C H 2 0 1 9 4 8 iTSSe TSS iTSSe TSS JTST HIGHLIGHTS compositions were evaluated via scanning electron microsco- py and x-ray diffraction. The erosionmechanisms of the differ- ent TBCs were compared by analyzing the cross-sectional and top surface microstructures of the as-deposited and eroded TBCs. These are released results from the Surftec Industrial R&DGroup of theNational Research Council of Canada (Fig. 3). 14 Fig. 3 — Erosion schematic at 15° impact angle for an 8YSZ SPS TBC. FABRICATION OF SUPERHYDROPHOBIC CERAMIC COATINGS VIA SOLUTION PRECURSOR PLASMA SPRAY UNDER ATMOSPHERIC AND LOW-PRESSURE CONDITIONS Pengyun Xu, Thomas W. Coyle, Larry Pershin, and Javad Mostaghimi The plasma jet in the vacuumplasma spray process pres- ents characteristics such as supersonic flow, expanded jet dimensions, and a smaller decay rate for jet velocity and tem- perature that aredistinctlydifferent fromthoseof atmospheric plasma spray. In this work, a solution precursor vacuum plas- ma spray (SPVPS) process is described, which combines vac- uum plasma spray with solution precursor as the feedstock. The deposition of superhydrophobic ceramic coatings via the SPVPS process is explored. Yb 2 O 3 coatings are deposited by a radial injection of Yb(NO 3 ) 3 solution in the anode of an F4-VB torch operating under a pressure of 150-250 mbar. Coatings with different wetting behaviors were deposited by manipu- lating the process parameters of the SPVPS process. Solution precursor atmospheric plasma spray (SPAPS) is also applied to deposit superhydrophobic Yb 2 O 3 coatings for comparison with the SPVPS process. The wetting behaviors of the coatings are characterized by water contact anglemeasurement, water roll-off test, and dynamic water impact test. The formation of different coating microstructures was explained via the differ- ent plasma jet characteristics, interactions of solution droplets andplasma, anddropletsmotions upon the impact on surface. The different wetting behaviors of coatings were correlated with the coating surface structures and topographies (Fig. 4). Fig. 4 — Plasma jets under different pressures. SHARE ARTICLE FEATURE FROM JTST The Journal of Thermal Spray Technology (JTST) is pleased to bring your at- tention to SharedIt, a content sharing initiative fromSpringer Nature that allows authors and subscribers to easily and legally share links to free-to-read versions of research articles anywhere, including social media platforms, repositories, and personal websites. Authors and subscribers who wish to share JTST research with colleagues and friends are invited to use the “Share Article” tab to the right of any article on the JTST site on SpringerLink (springer.com/journal/11666) . Anyonewho receives the link will be able to connect to a view-only version of the article for free. The editorial board hopes you find this tool helpful to learn and share the most recent advances in thermal spray research and technology development.