Title:
構造化クロム固体粒子層およびその生産方法
Document Type and Number:
Japanese Patent JP5743883
Kind Code:
B2
Abstract:
A structured chromium solids particles layer with a network of cracks in which solids particles are embedded, wherein the crack density is 10-250 per mm, the particle size of the solids particles lies in the range of from 0.01-10 μm, the proportion of solids particles in the overall layer is 1-30 vol.-% and the chromium solids particles layer has a microstructure with depressions in the surface of the layer, wherein the proportion of the surface area accounted for by the depressions is 5-80%. A method for producing the structured chromium solids particles layer on a workpiece includes introducing the workpiece into an electrolyte containing a Cr(VI) compound and electrolytically depositing a chromium layer at a current density of 20-100 A/dm2 and a current yield of 12% or less and then reversing the current direction wherein the solid particles are embedded within the network of cracks.
Inventors:
Linde, Rudolph
Durdot, Stephan
Durdot, Stephan
Application Number:
JP2011502245A
Publication Date:
July 01, 2015
Filing Date:
January 22, 2009
Export Citation:
Assignee:
FEDERAL-MOGUL BURSCHEID GMBH
International Classes:
C25D15/02; C25D3/04; C25D5/18; C25D7/00; F02F5/00
Domestic Patent References:
| JP2007533852A | ||||
| JP2006508243A | ||||
| JP2005240180A | ||||
| JP10130891A | ||||
| JP10130892A |
Foreign References:
| WO2005073437A1 |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Atsushi Honda
Makoto Onda
Atsushi Honda