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2. Galvanic corrosion - Wikipedia

   en.wikipedia.org/wiki/Galvanic_corrosion

   Galvanized mild steel cable ladder with corrosion around stainless steel bolts. All metals can be classified into a galvanic series representing the electrical potential they develop in a given electrolyte against a standard reference electrode. The relative position of two metals on such a series gives a good indication of which metal is more ...

3. Cable gland - Wikipedia

   en.wikipedia.org/wiki/Cable_gland

   A cable gland provides strain-relief and connects by a means suitable for the type and description of cable for which it is designed—including provision for making electrical connection to the armour or braid and lead or aluminium sheath of the cable, if any.

4. Cathodic protection - Wikipedia

   en.wikipedia.org/wiki/Cathodic_protection

   Corrosion control professionals find they do not work. [48] There is no peer reviewed scientific testing and validation supporting the use of the devices. In 1996 the FTC ordered David McCready, a person that sold devices claiming to protect cars from corrosion, to pay restitution and banned the names "Rust Buster" and "Rust Evader." [49]

5. Flare fitting - Wikipedia

   en.wikipedia.org/wiki/Flare_fitting

   Copper and its alloys, mild steel, and in some cases small diameter stainless steel pipes are most commonly reamed with hand tools. [ 15 ] Copper is perfectly machinable, a quality tool successfully performs wall deformation, the surface remains smooth, the wall thickness is almost the same, and the material retains a homogeneous structure.

6. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   Although they are usually used to attach pipe and fittings to mechanical supports in buildings, they do not connect the pipes. Fasteners commonly used with piping are a stud bolt [ 25 ] with nuts (usually fully threaded, with two heavy, hexagonal nuts); a machine bolt and nut; or a powder-actuated tool (PAT) fastener (usually a nail or threaded ...

7. Fretting - Wikipedia

   en.wikipedia.org/wiki/Fretting

   Fretting also occurs on virtually all electrical connectors subject to motion (e.g. a printed circuit board connector plugged into a backplane, i.e. SOSA/VPX). Commonly most board to board (B2B) electrical connectors are especially vulnerable if there is any relative motion present between the mating connectors. A mechanically rigid connection ...