Wednesday, August 3, 2011

Colorful Corrosion

". . . corrosion is the wearing away of metals due to a chemical reaction." (Corrosion on Wikipedia)

From Wikipedia's page on Rust:

Rusting is the common term for corrosion of iron and its alloys, such as steel. Many other metals undergo equivalent corrosion, but the resulting oxides are not commonly called rust.

Given sufficient time, oxygen, and water, any iron mass will eventually convert entirely to rust and disintegrate. Surface rust provides no protection to the underlying iron unlike the formation of patina on copper surfaces.

When impure(cast) iron is in contact with water and oxygen, or other strong oxidants and/or acids, it rusts. If salt is present as, for example, in salt water, it tends to rust more quickly, . . .

corroded chain on Chambers Bay Beach

same chain
(with one of my children 
walking by in the background)

corroded pipe on Chambers Bay Beach

corrosion up-close -- inside the pipe

corrosion up-close -- outside the pipe

on Chambers Bay Beach
(above picture taken by my older son)

on Sequalitchew Beach
(above picture taken by my younger daughter)

on Sequalitchew Beach

chain-link fence at Saltar's Point
(above picture taken by my older son)

~* This post on "Colorful Corrosion" is my "C" post for ABC Wednesday! *~

3 comments:

  1. as Neil Young said, Rust never sleeps.

    ROG, ABC Wednesday team

    ReplyDelete
  2. Thanks for all the information about rust. And for sure I like taking photos of rusty items. I didn't know that salty water was even more corrosive than plain water.

    I'm thinking I need to take a walk around my neighbourhood to see how many rusty things I can photograph. Hmmm. I may have to take a box of salt along to...only kidding. :)

    ReplyDelete