alumina/titania chromia/titania - VeMet

More documents

Recommendations

Info

In the first hour oxygen equilibrium isreached The low potential of the HVOFNiCr composite layer (H1)after 20 hours indicates thepresence of open pores. The potential of the HVOF Wc-Hastelloy matrix (H2) after 20hours is within the boundaries ofNiCr potential. A further decrease to levels lowerthan -0,3VAg.AgCl) would indicatevery low permeability of the coatingor a low layer potential due to othereffects like crevice corrosion;longer term measurements advisable.
Mineral oil and water glycolfluids are used in hydraulicsystems. No degradation of ceramiccoatings was determined usingmineral oil. Degradation in terms ofdissolving Alumina wasobserved using water glycolhydraulic oil.P1 P2 H1Al 2 O 3 /TiO 2 Cr 2 O 3 /TiO 2 NiCrAl 3.8 1.6 1.9 2.8Cr 0.35 5.0 0.71 0.50Ni 6.5 20.5 14 0.13Ti 3.9 2.4 0.3
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: Hard chromium (G1) has anOCP of -34
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 and 32: Electrochemical Potential[V] vs. sa
Page 33 and 34: • Under corrosion in the bottom z
Page 35 and 36: • Dissolving of Alumina outof Alu
Page 37 and 38: • Blistering due to under corrosi

alumina/titania chromia/titania - VeMet

Create successful ePaper yourself

Delete template?

Save as template?