Agreed that's not something you'd expect to corrode. It sure does look like galvanic corrosion aggravated by the physical stress from the grinding.
I don't have a garbage disposal (private sand mound sewage system) but I do have a "leak frog" water alarm under my sink, as I had a leak from the faucet and didn't notice until I saw water dripping in the basement!
Altair has released an update of its HyperWorks computer-aided engineering simulation suite that includes new features focusing on four key areas of product design: performance optimization, lightweight design, lead-time reduction, and new technologies.
At IMTS last week, Stratasys introduced two new multi-materials PolyJet 3D printers, plus a new UV-resistant material for its FDM production 3D printers. They can be used in making jigs and fixtures, as well as prototypes and small runs of production parts.
In a line of ultra-futuristic projects, DARPA is developing a brain microchip that will help heal the bodies and minds of soldiers. A final product is far off, but preliminary chips are already being tested.
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