Technology of Electroplating Deposition of Hardening Coatings on the Base of Nickel and Ultra-Dispersed Tungsten or Molybdenum Oxides
phone.: +375 (17) 226-47-03
e-mail: StepanovaLI@bsu.by
Purpose:
Surface hardening of component working in conditions of mechanical wear, friction and raising load by means of composite coatings "metal-oxide" deposition from electrolyte-suspension
Region of application:
- machine-building
- instrument making
- automotive transport
Technical parameters:
| oxides: | |
| range of W or Mo oxide's particles sizes, mm | 0.02–10 |
| electrolytes: | |
| content of oxide's particles in nickel electrolyte, g/l | 0.01–1 |
| deposition rate of composite coatings, mm/h | 18–20 |
| metal-oxide composite coatings: | |
| oxides content in coatings (weight %) | 0.5–4 |
| increasing of wear resistance relative to coatings without oxide's particles (times) | 2–7 |
| increasing of critical load during friction up to destruction in comparison with individual nickel (times) | 2–4 |
Advantages:
- low cost of oxides synthesizing with new high effective methods
- oxide's ability to codeposit with metal from standard electroplating bathes with preservation of their operation conditions
- low effective oxide's concentration in electrolyte
- increasing of composite coating's wear resistance, microhardness and decreasing of frictional coefficient relative to coatings without oxide's particles
- stability of composite coating's properties in high-temperature working conditions
Options for collaboration:
You can purchase the technology know-how. We can manufacture small series of miniature articles with deposited composite coatings