alumina/titania chromia/titania - VeMet

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•Panama Canal•Saemangeum•Off shore•Civil•Marine•Dredging•Pilling Barge•Dimensions: ø1000*L=20.000mmm
• Under corrosion in the bottom zone of the piston rod which isconstantly in the splash zone /under water and never comesin contact with oil.• Caused by:- Organic sea shells start rottenwhen rod is dry(Increase sulfuric acid concentration)- Bad construction(Water leakage through bottom sealant)- Wrong coating (Alumina/Titania)• Solution:- Chromia/Titania, (Splash zone)- Frequently in/out(Sea shells to be removed)2x44 Ø360*9500mmSaemangeum Project South Korea
Page 2: • Wear in general has a yearly lo
Page 5 and 6: Coating Process B.C. T.C. Service E
Page 7 and 8: DRY ABRASION TESTWET PARTICLE ABRAS
Page 9 and 10: • Contact force: Actual cylinder
Page 11 and 12: Mpa80Bondstrength according to ASTM
Page 13 and 14: • Tested samples Alumina/Titania
Page 15 and 16: • Porosity is determined usinga p
Page 17 and 18: Coating Code Thickness Process Subs
Page 19 and 20: Hard chromium (G1) has anOCP of -34
Page 21 and 22: Mineral oil and water glycolfluids
Page 23 and 24: • Different surface profiles with
Page 25 and 26: • Profile is function of way of m
Page 27 and 28: Electro polymerization (monomer > p
Page 29 and 30: • Current:Directly effects temper
Page 31: Electrochemical Potential[V] vs. sa
Page 35 and 36: • Dissolving of Alumina outof Alu
Page 37 and 38: • Blistering due to under corrosi

alumina/titania chromia/titania - VeMet

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