Talk:Erosion corrosion of copper water tubes

Cool page man!

Can the author of this page cite at least one reliable reference? Abhijit Sathe (talk) 17:50, 17 June 2009 (UTC)[reply]

Hi, For a tube with wall thickness of 0.7 mm and a corrosion rate of 25 micrometers / year, it will take only 28 years for the tube to be perforated. 25 micrometers = 0.025 mm, so 0.7/0.025 = 28 RT - France —Preceding unsigned comment added by 82.120.121.118 (talk) 11:42, 8 December 2010 (UTC)[reply]

Hello!

The "term"...."Erosion-Corrosion" is misleading.

The term is rather a descriptive term to describe a condition of damage to surfaces....rather than a process that causes the damage.

"Cavitation" in the form of "vapor cavitation" and/or "gaseous cavitation" wherein the "cavitation bubbles" collapse, and release energy that damages the surfaces is the activity that causes the damage. The cavitation-formed "bubbles" when they collarless can produce very high...many thousand psi...pressures, and a release of energy at the point where the bubble collapse. The cavitation bubbles are encouraged to form when fluid pressure fall below the vapor pressure of the fluid....and actually "boil" the fluid, causing a phase change. It is the "phase-change" as the condition reverses itself and goes from gas to liquid that the damage to surfaces is done.

It would be worthwhile to consult technical papers on "Cavitation" for a better understanding of the subject.....but the term "Erosion-Corrosion" is not a very correct term for the activity that does the damage....that belongs to "Cavitation".

Reference: Cavitation of Bubble Dynamics - C. E. Bremon Paper/California Inst of Technology - Cal-Tech M.I.T - "Cavitation" 1962

Cal-Tech "Cavitation" Knapp, Daily, Hamitt - McGraw-Hill 1970

Thomas A. Gilbertson

— Preceding unsigned comment added by Thomas A. Gilbertson (talk • contribs) 04:45, 30 June 2014 (UTC)[reply]

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