This appears to produced repeatable adherence without corrosion of the substrate. A prototype liquid metal spoiler has been constructed and was first tested in April 2001. We are working on exporting the drawings to a more portable format. Molybdenum was used for the smoothing roller. Heating was performed with 2 500W quartz halogen light bulbs.
System is all metal.
This coating was rolled to a good surface finish by the Molybdenum roller. The coating thickness was unstable, and within a minute more Tin would freeze onto the roller, eventually binding the system. The system operated for approximately 2 days before one of the bearings on the Niobium roller failed. Steel needle bearings, coated with Tungsten Disulfide lubricant were used rolling directly on the Niobium.