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Assuming every machine is made with two dissimilar metals in contact, then all washers DO have the issue, technically. It's not pseudoscience; just open literally any materials textbook you can get your hands on and you'll see. As for the longevity of the anode and whether or not it ends up...

As far as galvanic corrosion is concerned, outside factors aside, the life of the anode will depend on the mass of material and the surface area between mating materials. If one manufacturer uses thin stamped aluminum spiders, it will most definitely have a considerably shorter life than one...

There is a difference in electrical potential between steel and aluminum or steel and zinc. The electrical potential of Iron (steel, aka, carbon steel = carbon & iron) is -0.44V, zinc is -0.76V, and Aluminum is -1.67V (https://www.engineeringtoolbox.com/electrode-potential-d_482.html). This is...

Spider corrosion Sorry to resurrect an old thread, but Im currently looking to replace my Samsung washer due to an internal water leak and drum imbalance (suspected spider arm corrosion). I was reading through all the responses here, and I did not see anyone mention the fact that these spider...