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What is the principle of mechanical seal corrosion?

by:Lepu Seal     2020-12-14
What is the principle of mechanical seal corrosion? 2019 - 8 - 26 mechanical seal in use after a period of time, it is corrosion would happen, so what is the reason of this occurring? Just follow below small make up together to get to know. 1, the surface of uniform corrosion. If metal ring surface contact corrosive medium, and the metal itself is not resistant to corrosion, surface corrosion occurs, its phenomenon is leaking, the early wear and tear, damage, voice, etc. Uniform corrosion on metal surface has membrane and membrane two kinds of shapes, no film of metal corrosion is very dangerous, known as stress corrosion, choose built-up welding hard alloy and cast iron, tungsten carbide, titanium carbide seal ring, briefly presents stress corrosion. The process of corrosion at the speed of must, exacerbated galvanic corrosion. 2, split stress corrosion. The tensile stress of the metal corrosion and fixation of container type mechanical seal, with wear resistance. Fill the F4 ring corrosion is mainly refers to fill the selective corrosion, dissolution or change of damage. Glass fiber molecular heat corrosion, communicate these cracks the seal face, sped up the end face of wear, increase the leak amount. Looked at the above content, believe everybody already knows the principle of mechanical seal corrosion.
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