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Current Enters the Joint Before the Coating: Anode Contact Resistance
MMO titanium anodes fail from the connection before the coating. Loose crimps, single feed points, and insulation bypass create hot spots, current taper, and premature aging. A field note on contact resistance, feed-point design, and commissioning checks that actually catch it.
Fluoride in the Electrolyte: Why the Coating Cannot Save the Titanium
A buyer once sent a drawing for an electro-oxidation tank and asked for "the usual Ir-Ta anode, like the last project.
Your Anode Did Not Die. Your Power Supply Did.
MMO titanium anodes fail for reasons buyers rarely check: rectifier ripple, polarity reversal, dry start, wrong acid-wash sequence. Coating life depends on the power supply, not just the coating.
Same Anode, Different Life: What Operating Duty Explains That the Datasheet Does Not
Same part, same coating, same supplier — yet one cell runs for years and the other fails inside a season. The datasheet cannot explain this, because it describes the part, not the duty. This field note looks at five things the spec sheet leaves out: current density, temperature, start-stop cycles, electrolyte purity and current distribution. And wh
MMO Coating Explained: Why Ru-Ir, Ir-Ta and Platinum on Titanium Are Not Interchangeable
A plain-language guide to MMO titanium anode coatings for buyers and engineers: what Ru-Ir, Ir-Ta and platinum on titanium actually do, which anodic reaction each suits, and which specification questions separate a real coating from a brochure claim.
