CN106498290B - A kind of corrosion resistant metal coating of gear case external surface - Google Patents
A kind of corrosion resistant metal coating of gear case external surface Download PDFInfo
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- CN106498290B CN106498290B CN201610892946.2A CN201610892946A CN106498290B CN 106498290 B CN106498290 B CN 106498290B CN 201610892946 A CN201610892946 A CN 201610892946A CN 106498290 B CN106498290 B CN 106498290B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/12—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by mechanical means
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- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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Abstract
The invention discloses a kind of corrosion resistant metal coating of gear case external surface, the composition of the corrosion resistant metal coating is by mass percentage:C:0.06 0.08%, Mn:0.15 0.18%, Cr:10.76 10.79%, Ni:2.12 2.15%, Mg:0.13 0.15%, Mo:0.21 0.23%, Co:0.25 0.27%, V:0.06 0.08%, Ti:0.42 0.44%, Na:0.22 0.25%, Ga:0.17 0.19%, Ce:0.22 0.25%, Nd:0.16 0.18%, La:0.32 0.38%, surplus Fe.
Description
Technical field
The present invention relates to gear-box, the corrosion resistant metal coating of specifically a kind of gear case external surface.
Background technology
With the development of society, gear-box plays an important role in the industry, and it is various in style, many gear-boxes need
Longtime running is wanted, its environment is complicated, and temperature is high, and there was dampness in the air, and serious corrosion is caused to gear case external surface, is greatly reduced
The intensity of gear-box, influences attractive in appearance, and has a strong impact on its service life, increases potential safety hazard, increases maintenance cost, be unfavorable for
The long-run development of industry.
The content of the invention
The technical problems to be solved by the invention are, the shortcomings that for above prior art, propose a kind of gear-box appearance
The corrosion resistant metal coating in face, the bulk strength of gear-box can not only be increased, and improve corrosion-resistant and resistant to elevated temperatures ability,
Oxidation resistance greatly improves, and increases its service life, and securely and reliably, difficult for drop-off, cost is low.
In order to solve the above-mentioned technical problem, the technical scheme is that being accomplished by the following way:A kind of gear-box
The corrosion resistant metal coating of outer surface, the composition of the corrosion resistant metal coating are by mass percentage:C:0.06-
0.08%, Mn:0.15-0.18%, Cr:10.76-10.79%, Ni:2.12-2.15%, Mg:0.13-0.15%, Mo:0.21-
0.23%, Co:0.25-0.27%, V:0.06-0.08%, Ti:0.42-0.44%, Na:0.22-0.25%, Ga:0.17-
0.19%, Ce:0.22-0.25%, Nd:0.16-0.18%, La:0.32-0.38%, surplus Fe;
The handling process of the corrosion resistant metal coating is carried out according to the following steps:
Step 1:C, Mn, Cr, Ni, Mg, Mo, Co, V, Ti, Na, Ga, Ce, Nd, La and Fe are put into smelting furnace, by temperature
Degree increases to 850-860 DEG C, is incubated 1-3 hours, and temperature then is increased into 1750-1880 DEG C again, is incubated 2-4 hours, then
Using air-cooled, 630-640 DEG C is cooled to 20-30 DEG C/min cooling velocity, then is air-cooled to room temperature, obtains metallic object;
Step 2:Metallic object in step 1 is put into ball mill, temperature is increased to 280-350 DEG C, is incubated 30-
40min, then crush, cross 100 mesh numbers and obtain metal dust A, be then sprayed into metal dust A outside gear-box using spraying equipment
Surface, thickness are:0.02-0.05mm, 760-780 DEG C is then heated to, is incubated 1-3 hours, is then air-cooled to room temperature;
Step 3:Tempering heat treatment is carried out to the coating of gear case external surface, temperature is 610-630 DEG C, is incubated 30-
45min, 420-450 DEG C is then air-cooled to, then with 12-14 DEG C/s speed oil cooling to 160-180 DEG C, is incubated 15-30min,
Then it is air-cooled to room temperature;
Step 4:Then second of temper is carried out again, is added the coating of gear case external surface with 5-8 DEG C/s speed
Heat is incubated 1-3 hours, then using water cooling, is cooled to 120-130 DEG C with 17-19 DEG C/s speed, then to 550-560 DEG C
It is air-cooled to room temperature.
The technical scheme that further limits of the present invention is:
The corrosion resistant metal coating of foregoing gear case external surface, the composition of corrosion resistant metal coating is by mass percentage
For:C:0.06%, Mn:0.15%, Cr:10.76%, Ni:2.12%, Mg:0.13%, Mo:0.21%, Co:0.25%, V:
0.06%, Ti:0.42%, Na:0.22%, Ga:0.17%, Ce:0.22%, Nd:0.16%, La:0.32%, surplus Fe.
The corrosion resistant metal coating of foregoing gear case external surface, the composition of corrosion resistant metal coating is by mass percentage
For:C:0.08%, Mn:0.18%, Cr:10.79%, Ni:2.15%, Mg:0.15%, Mo:0.23%, Co:0.27%, V:
0.08%, Ti:0.44%, Na:0.25%, Ga:0.19%, Ce:0.25%, Nd:0.18%, La:0.38%, surplus Fe.
The corrosion resistant metal coating of foregoing gear case external surface, the composition of corrosion resistant metal coating is by mass percentage
For:C:0.07%, Mn:0.16%, Cr:10.78%, Ni:2.14%, Mg:0.14%, Mo:0.22%, Co:0.26%, V:
0.07%, Ti:0.43%, Na:0.24%, Ga:0.18%, Ce:0.24%, Nd:0.17%, La:0.36%, surplus Fe.
Composite membrane is posted on the corrosion resistant metal coating of foregoing gear case external surface, the surface of corrosion resistant metal coating,
The composite membrane includes PTFE film, and cross-linked binder glue is scribbled in the one side of the PTFE film, is sprayed in the another side of the PTFE film
Nano-solution is scribbled, the side that the composite membrane has cross-linked binder glue is bonded with the surface of the corrosion resistant metal coating;
The mass percent component of the cross-linked binder glue is:4- isocyanatomethyls:21~23%, amino first
Acetoacetic ester:12~19%, alpha-linolenic acid:11~13%, manganese dioxide:1.7~1.9%, Crosslinkable Acrylic Polymer Emulsion:3.7
~3.9%, talcum powder:0.5~0.8%, vinylacetate:Surplus;Will bonding complexing agent and PTFE film in the presence of hot pressing
It is compound to carry out high temperature bonding, the hot pressing combined temp is 185~187 DEG C, and the time be 10~15min, line pressure for 1.8~
1.9kg/mm;
The mass percent component of the nanomaterial solution is:Antimony doped stannum oxide nano-crystal:21~25%, nanometer two
Titanium oxide:14~16%, nanometer silicon carbide:11~13%, organic fluorine waterproof agent:Surplus;The another side on PTFE film surface is sprayed
Nano-solution is applied, is handled after drying through mechanical hot rolling, the drying temperature is 92~95 DEG C, and mechanical hot rolling is rolled for roller
Pressure, line pressure are 1.8~2.1kg/mm, and roll compacting temperature is 120~130 DEG C, and the time is 7~9min.
The beneficial effects of the invention are as follows:
Contain Cr in the present invention:10.76-10.79%, content is higher, can improve heat treatment performance, improve quenching degree,
Structural homogenity, temper resistance, the rustless property and grinding performance of fixture can be improved again;But when chromium content is higher, quenching
Increase retained austenite in fixture afterwards, reduce hardness and dimensional stability, increase the inhomogeneities of carbide, reduce rushing for fixture
Hit toughness and fatigue strength;The present invention by heat treatment, harmful element Grain Boundary Segregation and thick Carbide Precipitation can be avoided, from
And prevent from reducing the impact flexibility and fatigue strength of fixture.
Contain V in the present invention:0.06-0.08%, being capable of stable austenite phase, raising quenching degree, reduction ductile-brittle transiton temperature
Spend and deformation performance can be improved;Coordinate the Technology for Heating Processing of the present invention, can with thinning microstructure and obtain lath beam tissue add it is few
(volume fraction 1-5%) stable rotary austenite is measured, the line and staff control has higher-strength and good impact toughness.V content
Too low, rotary austenite stability declines, and impact flexibility is difficult to ensure that;V content is too high, increases cost;
Composite membrane is posted on the surface of corrosion resistant metal coating of the present invention, improves its anticorrosion ability, adds using the longevity
Life;In addition, composite membrane of the present invention in addition to anticorrosion ability, also with good antistatic behaviour and absorbs thermal insulation, with
And surface water repellency, and there is antimycotic antiseptic and soil resistance, and the wear resistance of the addition and can raising composite membrane of nano material, one
Lift it is more, obtain it is unexpected less than technique effect.
Embodiment
The present invention is described in further detail below:
Embodiment 1
A kind of corrosion resistant metal coating for gear case external surface that the present embodiment provides, the corrosion resistant metal coating
Composition is by mass percentage:C:0.06%, Mn:0.15%, Cr:10.76%, Ni:2.12%, Mg:0.13%, Mo:
0.21%, Co:0.25%, V:0.06%, Ti:0.42%, Na:0.22%, Ga:0.17%, Ce:0.22%, Nd:0.16%,
La:0.32%, surplus Fe;
The handling process of the corrosion resistant metal coating is carried out according to the following steps:
Step 1:C, Mn, Cr, Ni, Mg, Mo, Co, V, Ti, Na, Ga, Ce, Nd, La and Fe are put into smelting furnace, by temperature
Degree increases to 850 DEG C, is incubated 1 hour, and temperature then is increased into 1750 DEG C again, is incubated 2 hours, then using air-cooled, with 20
DEG C/min cooling velocity is cooled to 630 DEG C, then is air-cooled to room temperature, obtain metallic object;
Step 2:Metallic object in step 1 is put into ball mill, temperature is increased to 280 DEG C, is incubated 30min, then
Crush, cross 100 mesh numbers and obtain metal dust A, metal dust A is then sprayed into gear case external surface, thickness using spraying equipment
For:0.02mm, 760 DEG C are then heated to, are incubated 1 hour, are then air-cooled to room temperature;
Step 3:Tempering heat treatment is carried out to the coating of gear case external surface, temperature is 610 DEG C, is incubated 30min, so
After be air-cooled to 420 DEG C, then with 12 DEG C/s speed oil cooling to 160 DEG C, be incubated 15min, be then air-cooled to room temperature;
Step 4:Then second of temper is carried out again, is heated the coating of gear case external surface with 5 DEG C/s speed
To 550 DEG C, 1 hour is incubated, then using water cooling, 120 DEG C is cooled to 17 DEG C/s speed, is then air-cooled to room temperature;
Composite membrane is posted on the surface of the corrosion resistant metal coating, and the composite membrane includes PTFE film, in the PTFE film
One side scribble cross-linked binder glue, be coated with nano-solution in the another side of the PTFE film, the composite membrane has crosslinking viscous
The side of gum deposit is bonded with the surface of the corrosion resistant metal coating;
The mass percent component of the cross-linked binder glue is:4- isocyanatomethyls:21%, urethane
Ester:12%, alpha-linolenic acid:11%, manganese dioxide:1.7%, Crosslinkable Acrylic Polymer Emulsion:3.7%, talcum powder:0.5%, vinegar
Vinyl acetate:Surplus;Complexing agent will be bonded in the presence of hot pressing and PTFE film progress high temperature bonding is compound, the hot pressing is compound
Temperature is 185 DEG C, time 10min, line pressure 1.8kg/mm;
The mass percent component of the nanomaterial solution is:Antimony doped stannum oxide nano-crystal:21%, nanometer titanium dioxide
Titanium:14%, nanometer silicon carbide:11%, organic fluorine waterproof agent:Surplus;The another side on PTFE film surface is sprayed into nano-solution, dried
Handled after dry through mechanical hot rolling, the drying temperature is 92 DEG C, and mechanical hot rolling is roller roll compacting, line pressure 1.8kg/
Mm, roll compacting temperature are 120 DEG C, time 7min.
Embodiment 2
A kind of corrosion resistant metal coating for gear case external surface that the present embodiment provides, the corrosion resistant metal coating
Composition is by mass percentage:C:0.08%, Mn:0.18%, Cr:10.79%, Ni:2.15%, Mg:0.15%, Mo:
0.23%, Co:0.27%, V:0.08%, Ti:0.44%, Na:0.25%, Ga:0.19%, Ce:0.25%, Nd:0.18%,
La:0.38%, surplus Fe;
The handling process of the corrosion resistant metal coating is carried out according to the following steps:
Step 1:C, Mn, Cr, Ni, Mg, Mo, Co, V, Ti, Na, Ga, Ce, Nd, La and Fe are put into smelting furnace, by temperature
Degree increases to 860 DEG C, is incubated 3 hours, and temperature then is increased into 1880 DEG C again, is incubated 4 hours, then using air-cooled, with 30
DEG C/min cooling velocity is cooled to 640 DEG C, then is air-cooled to room temperature, obtain metallic object;
Step 2:Metallic object in step 1 is put into ball mill, temperature is increased to 350 DEG C, is incubated 40min, then
Crush, cross 100 mesh numbers and obtain metal dust A, metal dust A is then sprayed into gear case external surface, thickness using spraying equipment
For:0.05mm, 780 DEG C are then heated to, are incubated 3 hours, are then air-cooled to room temperature;
Step 3:Tempering heat treatment is carried out to the coating of gear case external surface, temperature is 630 DEG C, is incubated 45min, so
After be air-cooled to 450 DEG C, then with 14 DEG C/s speed oil cooling to 180 DEG C, be incubated 30min, be then air-cooled to room temperature;
Step 4:Then second of temper is carried out again, is heated the coating of gear case external surface with 8 DEG C/s speed
To 560 DEG C, 3 hours are incubated, then using water cooling, 130 DEG C is cooled to 19 DEG C/s speed, is then air-cooled to room temperature;
Composite membrane is posted on the surface of the corrosion resistant metal coating, and the composite membrane includes PTFE film, in the PTFE film
One side scribble cross-linked binder glue, be coated with nano-solution in the another side of the PTFE film, the composite membrane has crosslinking viscous
The side of gum deposit is bonded with the surface of the corrosion resistant metal coating;
The mass percent component of the cross-linked binder glue is:4- isocyanatomethyls:23%, urethane
Ester:19%, alpha-linolenic acid:13%, manganese dioxide:1.9%, Crosslinkable Acrylic Polymer Emulsion:3.9%, talcum powder:0.8%, vinegar
Vinyl acetate:Surplus;Complexing agent will be bonded in the presence of hot pressing and PTFE film progress high temperature bonding is compound, the hot pressing is compound
Temperature is 187 DEG C, time 15min, line pressure 1.9kg/mm;
The mass percent component of the nanomaterial solution is:Antimony doped stannum oxide nano-crystal:25%, nanometer titanium dioxide
Titanium:16%, nanometer silicon carbide:13%, organic fluorine waterproof agent:Surplus;The another side on PTFE film surface is sprayed into nano-solution, dried
Handled after dry through mechanical hot rolling, the drying temperature is 95 DEG C, and mechanical hot rolling is roller roll compacting, line pressure 2.1kg/
Mm, roll compacting temperature are 130 DEG C, time 9min.
Embodiment 3
A kind of corrosion resistant metal coating for gear case external surface that the present embodiment provides, the corrosion resistant metal coating
Composition is by mass percentage:C:0.07%, Mn:0.16%, Cr:10.78%, Ni:2.14%, Mg:0.14%, Mo:
0.22%, Co:0.26%, V:0.07%, Ti:0.43%, Na:0.24%, Ga:0.18%, Ce:0.24%, Nd:0.17%,
La:0.36%, surplus Fe;
The handling process of the corrosion resistant metal coating is carried out according to the following steps:
Step 1:C, Mn, Cr, Ni, Mg, Mo, Co, V, Ti, Na, Ga, Ce, Nd, La and Fe are put into smelting furnace, by temperature
Degree increases to 855 DEG C, is incubated 2 hours, and temperature then is increased into 1850 DEG C again, is incubated 3 hours, then using air-cooled, with 25
DEG C/min cooling velocity is cooled to 636 DEG C, then is air-cooled to room temperature, obtain metallic object;
Step 2:Metallic object in step 1 is put into ball mill, temperature is increased to 290 DEG C, is incubated 35min, then
Crush, cross 100 mesh numbers and obtain metal dust A, metal dust A is then sprayed into gear case external surface, thickness using spraying equipment
For:0.04mm, 768 DEG C are then heated to, are incubated 2 hours, are then air-cooled to room temperature;
Step 3:Tempering heat treatment is carried out to the coating of gear case external surface, temperature is 620 DEG C, is incubated 36min, so
After be air-cooled to 430 DEG C, then with 13 DEG C/s speed oil cooling to 170 DEG C, be incubated 18min, be then air-cooled to room temperature;
Step 4:Then second of temper is carried out again, is heated the coating of gear case external surface with 6 DEG C/s speed
To 555 DEG C, 2 hours are incubated, then using water cooling, 126 DEG C is cooled to 18 DEG C/s speed, is then air-cooled to room temperature;
Composite membrane is posted on the surface of the corrosion resistant metal coating, and the composite membrane includes PTFE film, in the PTFE film
One side scribble cross-linked binder glue, be coated with nano-solution in the another side of the PTFE film, the composite membrane has crosslinking viscous
The side of gum deposit is bonded with the surface of the corrosion resistant metal coating;
The mass percent component of the cross-linked binder glue is:4- isocyanatomethyls:22%, urethane
Ester:16%, alpha-linolenic acid:12%, manganese dioxide:1.8%, Crosslinkable Acrylic Polymer Emulsion:3.8%, talcum powder:0.6%, vinegar
Vinyl acetate:Surplus;Complexing agent will be bonded in the presence of hot pressing and PTFE film progress high temperature bonding is compound, the hot pressing is compound
Temperature is 186 DEG C, time 12min, line pressure 1.8kg/mm;
The mass percent component of the nanomaterial solution is:Antimony doped stannum oxide nano-crystal:24%, nanometer titanium dioxide
Titanium:15%, nanometer silicon carbide:12%, organic fluorine waterproof agent:Surplus;The another side on PTFE film surface is sprayed into nano-solution, dried
Handled after dry through mechanical hot rolling, the drying temperature is 94 DEG C, and mechanical hot rolling is roller roll compacting, line pressure 1.9kg/
Mm, roll compacting temperature are 126 DEG C, time 8min.
So the technical scheme of above example can not only increase the bulk strength of gear-box, and improve corrosion-resistant and resistance to
The ability of high temperature, oxidation resistance greatly improve, and increase its service life, and securely and reliably, difficult for drop-off, cost is low.
The technological thought of above example only to illustrate the invention, it is impossible to protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme, the scope of the present invention is each fallen within
Within.
Claims (5)
- A kind of 1. corrosion resistant metal coating of gear case external surface, it is characterised in that:The composition of the corrosion resistant metal coating It is by mass percentage:C:0.06-0.08%, Mn:0.15-0.18%, Cr:10.76-10.79%, Ni:2.12-2.15%, Mg:0.13-0.15%, Mo:0.21-0.23%, Co:0.25-0.27%, V:0.06-0.08%, Ti:0.42-0.44%, Na: 0.22-0.25%, Ga:0.17-0.19%, Ce:0.22-0.25%, Nd:0.16-0.18%, La:0.32-0.38%, surplus For Fe;The handling process of the corrosion resistant metal coating is carried out according to the following steps:Step 1:C, Mn, Cr, Ni, Mg, Mo, Co, V, Ti, Na, Ga, Ce, Nd, La and Fe are put into smelting furnace, temperature is increased 850-860 DEG C is added to, is incubated 1-3 hours, temperature is then increased to 1750-1880 DEG C again, 2-4 hours is incubated, then uses It is air-cooled, 630-640 DEG C is cooled to 20-30 DEG C/min cooling velocity, then room temperature is air-cooled to, obtain metallic object;Step 2:Metallic object in step 1 is put into ball mill, temperature is increased to 280-350 DEG C, is incubated 30-40min, so After crush, cross 100 mesh numbers and obtain metal dust A, metal dust A is then sprayed into gear case external surface using spraying equipment, it is thick Spend and be:0.02-0.05mm, 760-780 DEG C is then heated to, is incubated 1-3 hours, is then air-cooled to room temperature;Step 3:Tempering heat treatment is carried out to the coating of gear case external surface, temperature is 610-630 DEG C, is incubated 30- 45min, 420-450 DEG C is then air-cooled to, then with 12-14 DEG C/s speed oil cooling to 160-180 DEG C, is incubated 15-30min, Then it is air-cooled to room temperature;Step 4:Then second of temper is carried out again, is heated to the coating of gear case external surface with 5-8 DEG C/s speed 550-560 DEG C, 1-3 hours are incubated, then using water cooling, are cooled to 120-130 DEG C with 17-19 DEG C/s speed, then air cooling To room temperature.
- 2. the corrosion resistant metal coating of gear case external surface according to claim 1, it is characterised in that:It is described corrosion-resistant The composition of metal coating is by mass percentage:C:0.06%, Mn:0.15%, Cr:10.76%, Ni:2.12%, Mg: 0.13%, Mo:0.21%, Co:0.25%, V:0.06%, Ti:0.42%, Na:0.22%, Ga:0.17%, Ce:0.22%, Nd:0.16%, La:0.32%, surplus Fe.
- 3. the corrosion resistant metal coating of gear case external surface according to claim 1, it is characterised in that:It is described corrosion-resistant The composition of metal coating is by mass percentage:C:0.08%, Mn:0.18%, Cr:10.79%, Ni:2.15%, Mg: 0.15%, Mo:0.23%, Co:0.27%, V:0.08%, Ti:0.44%, Na:0.25%, Ga:0.19%, Ce:0.25%, Nd:0.18%, La:0.38%, surplus Fe.
- 4. the corrosion resistant metal coating of gear case external surface according to claim 1, it is characterised in that:It is described corrosion-resistant The composition of metal coating is by mass percentage:C:0.07%, Mn:0.16%, Cr:10.78%, Ni:2.14%, Mg: 0.14%, Mo:0.22%, Co:0.26%, V:0.07%, Ti:0.43%, Na:0.24%, Ga:0.18%, Ce:0.24%, Nd:0.17%, La:0.36%, surplus Fe.
- 5. the corrosion resistant metal coating of gear case external surface according to claim 1, it is characterised in that:It is described corrosion-resistant Composite membrane is posted on the surface of metal coating, and the composite membrane includes PTFE film, and cross-linked binder is scribbled in the one side of the PTFE film Glue, nano-solution is coated with the another side of the PTFE film, the composite membrane have the side of cross-linked binder glue with it is described The surface fitting of corrosion resistant metal coating;The mass percent component of the cross-linked binder glue is:4- isocyanatomethyls:21~23%, urethane Ester:12~19%, alpha-linolenic acid:11~13%, manganese dioxide:1.7~1.9%, Crosslinkable Acrylic Polymer Emulsion:3.7~ 3.9%, talcum powder:0.5~0.8%, vinylacetate:Surplus;Bonding complexing agent is entered with PTFE film in the presence of hot pressing Row high temperature bonding is compound, and the hot pressing combined temp is 185~187 DEG C, and the time be 10~15min, line pressure for 1.8~ 1.9kg/mm;The mass percent component of the nanomaterial solution is:Antimony doped stannum oxide nano-crystal:21~25%, nanometer titanium dioxide Titanium:14~16%, nanometer silicon carbide:11~13%, organic fluorine waterproof agent:Surplus;The another side spraying on PTFE film surface is received Rice solution, is handled after drying through mechanical hot rolling, and the drying temperature is 92~95 DEG C, and mechanical hot rolling is roller roll compacting, line Pressure is 1.8~2.1kg/mm, and roll compacting temperature is 120~130 DEG C, and the time is 7~9min.
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CN108752810A (en) * | 2018-06-28 | 2018-11-06 | 江阴市恒润重工股份有限公司 | High temperature resistant flange |
CN108950397B (en) * | 2018-08-07 | 2021-03-02 | 湖北威能达传动有限责任公司 | Corrosion-resistant metal coating of 20CrMnMoA steel bevel gear shaft |
CN108950396B (en) * | 2018-08-07 | 2021-03-02 | 湖北威能达传动有限责任公司 | Corrosion-resistant metal coating of 20CrMnTi steel passive helical gear of differential mechanism |
CN109023144B (en) * | 2018-08-07 | 2021-03-02 | 湖北威能达传动有限责任公司 | Corrosion-resistant metal coating of large spiral bevel gear made of 30CrMnTi steel |
CN108642394B (en) * | 2018-08-07 | 2021-03-02 | 湖北威能达传动有限责任公司 | Corrosion-resistant metal coating of 20CrMnTi steel driven bevel gear shaft |
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CN103290332A (en) * | 2013-06-18 | 2013-09-11 | 张康 | Wear-resistant metal pipeline with inner corrosion-resistant coating |
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