Nanocomposite electrolytic coatings with defined functional properties: monograph 9786010447295

Table of contents :
CONTENT
INTRODUCTION
Chapter 1
SYNTHESIS AND FUNCTIONAL PROPERTIES OF COATINGS FOR TITANIUM ALLOYS
1.1 Current Methods of Producing Functional Coating on Titanium Alloys
1.2 Synthesis of doped coatings in micro-arc mode
Chapter 2
FORMATION OF COATINGS IN DIPHOSPHATE SOLUTIONS
2.1 Anodic behavior of titanium alloys in diphosphate solutions
Table 2.1
The chemical composition of titanium alloys, mas.%
Table 2.2
Composition of solutions
Table 2.3
Reaction speed constants ks (cm/s) of the anodeoxidation of titanium alloys in solutions of 1M Na2SO4 and diphosphateat various s (V / s)
2.2 Plasma electrolytic oxidation
Table 2.4
The composition of solutions for processing titanium alloys
Table 2.5
The influence of the concentration of diphosphate on indicators of PEO of titanium alloys (current density 2 A/dm2, time 30 minutes)
2.3 Functional properties of metal oxide systems Ti | TinOm
Table 2.6
the Resistance of oxide coatings to abrasive wear. Electrolyte 1 M K4P2O7, PEO time 30 minutes
Table 2.7
Corrosion potential of PEO coatings TinOm
Table 2.8
Indicators of the corrosion rate of oxide systems
Chapter 3
ELECTROCHEMICAL SYNTHESIS of MnxOy-CONTAINING COATINGS
3.1 Anode behavior of titanium alloys
in diphosphate solutions of manganese (II)
Table 3.1
the composition of the electrolytes, mol / dm3
Table 3.2
Electrical resistivity and thermal stability of oxides [133, 134]
3.2 Patterns of formation of TinOm MnxOy coatings in a plasma-electrolytic mode
Table 3.3
the composition of the electrolytes of PEO
Table 3.4
the parameters of the coating process
Table 3.5
Characteristics of titanium and manganese oxides
Table 3.6
Phase composition of coatings
Table 3.7
Field strengths in films in the pre-spark region
Table 3.8
Field strength in oxide coatings at the end of the PEO process in various electrolytes at j = 5 A / dm^2
3.3 Electrophoretic synthesis of TinOm MnxOy coatings
Table 3.9
Characteristics of the PEO process in manganese-containing electrolytes at c1 (K4P2O7) = 0.1 mol / dm3
3.4 Properties of Ti metal oxide systems | TinOm MnxOy
Table 3.10
Characteristics and corrosion resistance of PEO coatings in 0.1 mol / dm^3 NaCl
Table 3.11
Corrosion resistance of PEO coatings in a model medium 0.1 mol/dm3 H2SO4
Table 3.12
Resistance of oxide coatings to abrasive wear
Phase composition of the coating
Chapter 4
NANOCRYSTALINE COATINGS WITH MIXED TITANIUM OXIDES AND d-METALS
4.1 Metal oxides of the iron subgroup (Co, Ni, Fe)
Table 4.1
Composition of electrolytes and synthesis parameters oxide systems
Table 4.2
Electrical resistivity and thermal resistance of oxides [133, 134]
Table 4.3
Elemental composition of mixed oxide coatings on OT4-1 alloy
4.2 Rare metal oxides (Mo, W, V, Zr)
Table 4.4
Electrolyte composition and PEO mode
Table 4.5
Specific electrical resistanceand thermal stability of oxides [133, 134]
4.3 Functional properties of mixed titanium and transition metal oxides
Table 4.6
Corrosion indicators of systems Ti│TinOm ∙ MxOy in solution 0,1 M NaCl
Table 4.7
Corrosion indicators of samples with mixed oxide coatings
Table 4.8
Indicators of corrosion of samples with coatings TinOm│oxides of rare metals in 0.1 M NaCl solution
Table 4.9
Coating characteristics TinOm CoxOy
4.4 Catalytic properties of mixed oxide coatings
Table 4.10
Kinetic parameters of the reaction electrolytic oxygen evolution
Table 4.11
Characteristics of mixed oxide coatings
Table 4.12
Characteristics of photocatalytic activity oxide systems obtained at j = 1.5 A / dm2
Chapter 5
PHYSICO-CHEMICAL BASES OF OBTAINING NANO-CEС
5.1. Sedimentation method of preparing shungite concentrate for deposition of nano-CEC chromium-schungite
Table 5.1
Chemical composition of shungite of the Koksu deposit according to TU-7000 RK 3873 5112-003-2002
Table 5.2
Chemical composition of schungite of Zazhoginsky and Koksu deposits
Improvements and additions consisted in the development, manufacture and addition: the cover of the bath of heat and electrical insulating material bearing the cathode K and two anodic A copper terminals on the outer surface, passing from the inside t...
Until now, the problem of the possibility of obtaining CEC with these or those dispersed phases is based on the unpromising and laborious method of "trial and error". Therefore, we have developed a criterion for predicting the possibility of CEC forma...
Table 5.3
Meaning of EN IP and ECVS of elements’s atoms
5.2 Results of the investigation of nano-CEC chromium-schungite
Table 5.4
Composition of electrolytes, (g / dm3)
Table 5.5
Average metric characteristics of schungite particles
Table 5.6
The current output and microhardness of chromium-carbon CEC at constant and variable ultrasonic effect
5.3 Formation of CEC and nano-CEC chromium – carbon
Table 5.7
Carbon content in nano-CEP depending on ultrasound exposure and the sequence of their production
Table 5.8
Results of the study of carbon content in ECC and nano-CEC obtained at the concentration of carbon in the electrolyte 5 kg/m3 and different current densities
Table 5.9
Results of the study of carbon content in CEC and nano-CEC obtained at the concentration of carbon in the electrolyte 10 kg/m3 and different current densities
Table 5.10
Results of the study of carbon content in CEC and nano-CEC obtained at the concentration of carbon in the electrolyte 15 kg/m3 and different current densities
5.4 Ultrasonic activation and stabilization of the suspension electrolyte
Chapter 6
STUDY OF COMPOSITE COATINGS PROPERTIES
6.1 Adhesion and microhardness of coatings
Table 6.1
Results of testing nano – CEC chromium – carbon for adhesion on steel 12ХНВА according to GOST 10510 – 80
6.2 Investigation of corrosion resistance
Table 6.2
Conditions and results of tests for corrosion resistance of CEC chrome-shungite obtained at an electrodeposition temperature of 323 K for 1 hour
Table 6.3
Conditions and results of tests for corrosion resistance of CEC chrome-shungite obtained at an electrodeposition temperature of 323 K for 2 hours
Table 6.4
Test results for corrosion resistance of nano-CEС chromium-soot obtained at different electrodeposition temperatures for 1 hour
6.3. Results of laboratory-industrial tests of nano-CEC
Table 6.5
Results of comparative tests of vacuum ceramic disc filter spools
6.4 Possible areas of practical use of composite coatings
There is no branch of technology and production that would not need effective protection against wear and corrosion destruction. The almost unlimited need of all branches of mechanical engineering, energy, mining and processing industries, oil, chemic...
Table 6.6
Potential consumers of CEC and nano-CEC
Table 6.7
Demand in physical and financial terms
CONCLUSION
References

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