Thermal spray coatings & antifouling on steel yachts

Discussion in 'Metal Boat Building' started by SeaSpark, Aug 16, 2006.

  1. SeaSpark
    Joined: Mar 2006
    Posts: 593
    Likes: 17, Points: 0, Legacy Rep: 96
    Location: Holland

    SeaSpark -

    I have heard of zinc "Thermal spray coatings" being applied to steel yachts to prevent corrosion and fouling. Never heard of the results.

    Does anyone have experience with this way of protecting a yacht?

    From: http://el.erdc.usace.army.mil/zebra...g_foul_release_and_thermal_spray_coatings.htm

     
    SeaSpark, Aug 16, 2006
    #1
  2. MikeJohns
    Joined: Aug 2004
    Posts: 3,192
    Likes: 208, Points: 63, Legacy Rep: 2054
    Location: Australia

    MikeJohns Senior Member

    Jeroen
    Often called flame spraying just splatters molton metal onto the (pre blasted) steel surface , works well when properly applied. It should never be applied below the waterline and It cannot be recommended as a boat anti-foulant treatment.

    Modern zinc rich paints are pretty good these days so the flame spraying has dropped off lately, that means the wire becomes more expensive on exconomy of scale. If you were inventive you could melt zinc ingots into the pot of a home made spray gun with care it could be safely done.


    Cheers
     
    MikeJohns, Aug 19, 2006
    #2
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