Aluminum Laser Cleaning
Aluminum starts dull under oxide that takes the first energy. After a stopped pass, that film is gone and the metal is not pitted.
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Ikmanda RoswatiPh.D.Indonesia
Ultrafast photonics and laser-matter interactionPublished
Apr 21, 2026
Laser Cleaning Antique Evinrude Outboard Motor Parts
Antique Evinrude outboard motor parts are housings, covers, and small castings with rust, old paint, and baked oil. Mixed metals in one setup, thin fins that heat quickly, and stampings that should stay after the soil leaves decide how hard a pass can be.
What This Video Shows
Short pxYL0Zdc7iI shows pulsed laser clearing marine corrosion, paint, and oxide from antique Evinrude outboard motor parts across aluminum, bronze, and steel without grit.
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Questions this footage answers
What does this Short show on assorted antique Evinrude outboard motor parts?
The 36-second clip shows pulsed fiber laser work clearing marine corrosion, aged paint, and oxide from assorted antique Evinrude outboard motor parts while aluminum, bronze, and steel faces stay in frame. It is footage proof for contactless cleaning on mixed restoration hardware, not a traveler card — crews still coupon each alloy family before copying energy into a longer job.
Why split travelers across aluminum, bronze, and steel parts?
Each metal carries a different safe energy envelope under ns 1064 nm pulsed work. Aluminum oxide can open near about 0.33 J/cm² while cast housings still need to stay below a roughly 2–5 J/cm² injury band. Bronze and brass fittings sit near about 1.5–4 J/cm², and carbon-steel rust work has a published cleaning band near 1.42–4.26 J/cm² with marking near about 5.68 J/cm². The Short shows why operators split travelers instead of locking one steel.
Why avoid grit blast on cast antique outboard parts like these?
Replacement castings and stamped model numbers are scarce on vintage Evinrude hardware, so any method that bites the substrate is hard to undo. Media blast and wire wheels remove metal along with soil. Contactless pulsed cleaning in this footage leaves cast markings readable while rust and old paint leave, so abrasive maps stay off the parts unless a separate mechanical step is required.
Do paint islands and bare oxide clear at the same time on mixed motor parts?
Usually not. Rust and oxide films on steel often open inside the published 1.42–4.26 J/cm² band while aged enamel or alkyd islands lag a pass behind bare metal. On aluminum, oxide can respond near about 0.33–1.09 J/cm² before stubborn paint on an adjacent face is gone. Watch for clean metal next to coating islands and change the traveler rather than stacking power into substrate that is already answering cleanly.