Search Results for functional coatings

This article describes the design and operation of a high-deposition rate plasma nozzle developed for ambient pressure spraying.

New thermal spray methods optimized for the production of functional coatings are bridging the gap between traditional thermal spraying and thin-film deposition technologies. Two such methods, one known alternately as very low pressure plasma spraying (VLPPS) or plasma spray-physical vapor deposition (PS-PVD) and one called thin-film thermal spray chemical vapor deposition (CVD), are briefly reviewed here.

Thermal spraying is being incorporated into more manufacturing processes where its primary role is to deposit a layer of material or a free-standing structure that has a functional, rather than a passive, role. Examples include thermally sprayed membranes, electrodes, antennas, thermocouples, inductors, and electrical contacts.

The next generation of metal additive manufacturing leverages the advantages of cold spray to offer promising options for applications in aerospace, automotive, and biomedical engineering.

Thermal spray technology is increasingly being used in alternative energy applications such as solid-oxide fuel cells, solar panels, and wind and hydropower turbines.

In 1845, Michael Faraday discovered that light passing through a transparent medium can be altered with an externally applied magnetic field. It is not surprising, given the science and engineering involved, that the ideal medium for observing the Faraday effect and the process by which it is made have only recently been developed. This article explains how magneto-optical sensors make use of advanced materials and processes to harness the Faraday effect, making it possible to see magnetic fields and domains with detailed resolution and instantly obtain flux density measurements over the surface of magnetic materials and magnetized parts.

An integrated strategy for the development of thermally sprayed functional oxide coatings is presented in this article. Strontium-doped lanthanum manganite (LSM), a prototypical functional oxide, was selected to demonstrate the approach.

Today’s materials engineering leadership role is expected to expand and have a greater impact on evolving the organizational, technological, and strategic initiatives of original equipment manufacturers.

Optical or light microscopy uses the visible or near-visible portion of the electromagnetic spectrum and is one of the oldest characterization techniques. With any cold spray coating, it is the first characterization process used to evaluate and optimize process variables.

A promising method of testing aerospace coatings could help minimize exposure to hexavalent chromium by understanding coating lifecycles.

A multicomponent thermal spray coating system resists pick-up of contaminants that can cause flaws on heat treated strip surface.

Developing a disciplined approach to standardizing special processes and introducing new technologies is key to eliminating defects in thermal spray applications.

Stony Brook celebrates a milestone by reflecting on its Center for Thermal Spray Research from the early years of growth and expansion to the development of an industrial consortium.

Enhanced antiviral performance is associated with antipathogenic copper material consolidations obtained using cold spray processing.

This article series explores the indispensable role of characterization in the development of cold spray coatings and illustrates some of the common processes used during coating development.

Cold spray was primarily developed for use in applications that are extremely sensitive to high process temperatures. Due to this factor and its other unique capabilities, cold spray is becoming attractive as an enabling technology for 3D printing or additive manufacturing. Current work is focusing on reducing the spot size of cold spray systems to enable them to produce more intricate and highly finished shapes.

Identifying metallographic TSC artifacts, specifically in air plasma spray zirconia-based thermal barrier coatings.

Additive manufacturing techniques give the mining industry a chance to revolutionize the conceptualization, prototyping, and production of mining tools, including using WC-Fe, Ni-based matrix coatings that display exceptional properties. The article includes a case study involving the successful utilization of WC-NiCrBSi mixed powder as a protective coating on AISI 9310 steel components to enhance wear resistance and durability for mining tool applications.

Efforts are underway in every sector of the scientic community to explore and develop possible strategies and solutions to counter sea level rise and climate change. Near-term materials science implications include improvements to corrosion-resistant materials and coatings.

This new article series explores the indispensable role of characterization in the development of cold spray coatings and illustrates some of the common processes used during coatings development. This article provides a list of techniques to be covered in subsequent articles.