Ammunition corrodes like any other metal assembly, only with higher stakes A loaded cartridge is a small multimetal package: a brass or brass-plated steel case, a copper or copper-alloy jacket, a steel or lead core, a primer cup and a crimp. Store it in a humid...
An engine comes off the hot-test stand, the coolant is drained, and by the time it reaches the shipping dock the water left in the jacket has evaporated and left a bloom of red rust on the passages. Nobody sees it until a customer pulls a freeze plug, or a warranty...
If you build engines, you already know the problem even if you have never put a name to it. The engine runs on the hot test stand, it passes, it gets drained, and it goes to the yard or into a container. Weeks or months later it comes back out with rust inside a...
In most Illinois and Wisconsin plants, the same two weeks in October carry two opposite jobs. The cooling tower or chiller comes down for the season, and the boiler comes back up. Both jobs usually have a checklist. Neither checklist usually has a line on it for...
A gearbox that leaves the plant with an empty case rusts on the teeth and bearing races above whatever oil film drained off in the first day. The traditional answer is to ship it full of oil, which means paying to fill it, paying to ship the weight, declaring the...
Nitrogen blanketing works. That is not the argument against it. The argument against it is everything you have to do to keep it working, and what happens in a confined space when it fails quietly. Cortec® put out a release on September 25 making the case for...
