CN104775085A - Corrosion-resistant iron-base alloy coating for thermal spraying and preparation method of alloy coating - Google Patents
Corrosion-resistant iron-base alloy coating for thermal spraying and preparation method of alloy coating Download PDFInfo
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- CN104775085A CN104775085A CN201510190443.6A CN201510190443A CN104775085A CN 104775085 A CN104775085 A CN 104775085A CN 201510190443 A CN201510190443 A CN 201510190443A CN 104775085 A CN104775085 A CN 104775085A
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Abstract
The invention discloses a corrosion-resistant iron-base alloy coating for thermal spraying. The coating is made into powder by virtue of a metal material, wherein the metal material consists of the following chemical components in percentage by weight: 4.8-12.3% of Cr, 0.25-0.53% of C, 0.38-0.75% of Si, 0.79-0.86% of Y, 1.2-2.4% of Mn, 0.62-0.88% of Ge, 0.36-0.52% of Se, 0.55-0.87% of Ti, 0.8-1.4% of Ni, 0.31-0.43% of lanthanide series rare earth and the balance of Fe and inevitable impurities, wherein the Mn and the Ni account for 1.8-3.9% in total, and at least one of Mo and Rh is contained and accounts for 2-6%; the microscopic structure in the coating is Cr7C3 reinforced phase dispersed in austenite; and the lanthanide series rare earth consists of the following components in percentage by mass: 11-18% of cerium, 10-13% of terbium, 5-7% of europium, 15-22% of gadolinium, 21-24% of praseodymium and the balance of lanthanum, totaling 100%. The iron-base composite spraying powder disclosed by the invention is relatively good in high temperature oxidation resistance and is capable of avoiding over oxidation in a spraying process, so as to improve the compactness of internal binding of the sprayed coating; meanwhile, the sprayed coating is moderate in pore size, smooth in shape and capable of effectively reducing the generation of crack; and therefore, the coating can better take an effect of oil storage as a jar.
Description
Technical field
The present invention relates to a kind of heat spray coating layer material and preparation method thereof, a kind of corrosion resistant iron base alloy coat for thermospray and preparation method thereof, belongs to technical field of hot specifically.
Background technology
The coating applied by thermospray is used to many application known morning.Such as, in vehicular engine, the surface of the cylinder running surface of oil lubrication is particularly undertaken being coated with the quite a long time by plasma spraying, described coating especially significantly can reduce the frictional coefficient between piston ring and cylinder wall, thus significantly reduce the wearing and tearing of piston ring and cylinder, service life of aeroengine is increased, and maintenance period (such as changing oil) extends, and also makes motor performance significantly improve.
Compared with other coating, iron base heat spray coating has more excellent mechanical property, magnetic performance and corrosion resistance nature.Meanwhile, iron-based families of coatings has abundant natural resources, cheap material cost, thus causes the research boom of people.But the same with other coatings, in the test of traditional macro-mechanical property, often there is inhomogeneous deformation in iron-based coating, concentration of plastic deformation, at the shear zone of minority, shows as macroscopical fragility.This feature of iron-based coating limits its application in engineering field to a great extent.Therefore, how under the prerequisite keeping Fe-based amorphous high strength, improving Fe-based amorphous plastic deformation ability, increase toughness, is promote the realistic problem needing solution in iron-based coating application process badly.
Summary of the invention
Technical problem to be solved by this invention is, a kind of corrosion resistant iron base alloy coat for thermospray and preparation method thereof is proposed, toughness reinforcing improvement can be carried out to the iron-based coating of fragility, ensure the corrosion resistance nature of coating, retain the high strength that it is intrinsic simultaneously, high-wearing feature feature, for large-scale engineer applied provides possibility.
The present invention solves the technical scheme of above technical problem: provide a kind of corrosion resistant iron base alloy coat for thermospray, the powder that this coating is made up of metallic substance, the chemical composition of its metallic substance is by weight percentage: Cr:4.8-12.3%, C:0.25-0.53%, Si:0.38-0.75%, Y:0.79-0.86%, Mn:1.2-2.4%, Ge:0.62-0.88%, Se:0.36-0.52%, Ti:0.55-0.87%, Ni:0.8-1.4%, and to meet Mn and Ni sum be 1.8-3.9%, Mo, Rh is at least containing a kind of, its total content is 2-6%, lanthanide rare: 0.31-0.43%, all the other are Fe and inevitable impurity, its coating microstructure is the Cr7C3 strengthening phase that is scattered here and there in austenite,
The constituent mass per-cent of described lanthanide rare is: cerium: 11-18%, terbium: 10-13%, europium: 5-7%, gadolinium: 15-22%, praseodymium: 21-24%, and surplus is lanthanum, and above each component sum is 100%.
Further restriction technical scheme of the present invention, the aforesaid corrosion resistant iron base alloy coat for thermospray, the powder that this coating is made up of metallic substance, the chemical composition of its metallic substance is by weight percentage: Cr:4.8%, C:0.25%, Si:0.38%, Y:0.79%, Mn:1.2%, Ge:0.62%, Se:0.36%, Ti:0.55%, Ni:0.8%, Mo, Rh are at least containing a kind of, its total content is 2.8%, lanthanide rare: 0.31%, and all the other are Fe and inevitable impurity; Its coating microstructure is the Cr7C3 strengthening phase that is scattered here and there in austenite;
The constituent mass per-cent of described lanthanide rare is: cerium: 11%, terbium: 10%, europium: 5%, gadolinium: 15%, praseodymium: 21%, and surplus is lanthanum, and above each component sum is 100%.
The aforesaid corrosion resistant iron base alloy coat for thermospray, the powder that this coating is made up of metallic substance, the chemical composition of its metallic substance is by weight percentage: Cr:8.3%, C:0.43%, Si:0.55%, Y:0.82%, Mn:1.28%, Ge:0.78%, Se:0.42%, Ti:0.67%, Ni:0.92%, Mo, Rh are at least containing a kind of, and its total content is 4%, lanthanide rare: 0.37%, all the other are Fe and inevitable impurity; Its coating microstructure is the Cr7C3 strengthening phase that is scattered here and there in austenite;
The constituent mass per-cent of described lanthanide rare is: cerium: 15%, terbium: 12%, europium: 6%, gadolinium: 18%, praseodymium: 22%, and surplus is lanthanum, and above each component sum is 100%.
The aforesaid corrosion resistant iron base alloy coat for thermospray, the powder that this coating is made up of metallic substance, the chemical composition of its metallic substance is by weight percentage: Cr:12.3%, C:0.53%, Si:0.75%, Y:0.86%, Mn:2.4%, Ge:0.88%, Se:0.52%, Ti:0.87%, Ni:1.4%, Mo, Rh are at least containing a kind of, and its total content is 6%, lanthanide rare: 0.43%, all the other are Fe and inevitable impurity; Its coating microstructure is the Cr7C3 strengthening phase that is scattered here and there in austenite;
The constituent mass per-cent of described lanthanide rare is: cerium: 18%, terbium: 13%, europium: 7%, gadolinium: 22%, praseodymium: 24%, and surplus is lanthanum, and above each component sum is 100%.
The preparation method of the aforesaid corrosion resistant iron base alloy coat for thermospray, comprises following steps:
(1) blasting craft is adopted to carry out roughened, clean matrix surface to be sprayed;
(2) adopt aerosolization method to prepare dusty spray, according to weight percent formulated ferrous alloy, then this alloy of melting, adopts aerosolization method to prepare iron(-)base powder;
(3) in plasma spraying equipment, iron(-)base powder is loaded powder feeder, by trade union college to be sprayed on rotary tooling, spray, obtain iron-based composite coating, its microtexture take austenite as matrix, wherein disperses Cr7C3 strengthening phase.
Further, the preparation method of the aforesaid corrosion resistant iron base alloy coat for thermospray, spray parameters is set to: working current≤600A; Arc voltage≤80V; Argon pressure 0.55-0.65MPa; Argon flow amount 20-35L/min; Hydrogen pressure 0.25-0.32MPa; Hydrogen flowing quantity 2.0-3.0L/min; Powder feeding rate 90-120g/min; Spray distance 100-120mm; Spray angle is 45 °-65 °.
Beneficial effect of the present invention: iron-based compound spraying powder of the present invention has good high temperature oxidation resistance, can avoid in spraying process excessively oxidated, thus the compactness that after improve spraying, coat inside combines, the rear coating mesoporosity of spraying is simultaneously of moderate size, shape is round and smooth, effectively reduce the generation of crackle, therefore, it is possible to play the oil storage function of cylinder body well.Ni containing high level in this iron-based compound spraying powder, serves stable coatings austenite phase on the one hand, improves the effect of coating toughness; Improve the corrosion resistance nature of coating on the other hand.Adopt plasma spraying coating to have good wear-and corrosion-resistant performance, be applicable to the matrix surface worked under wearing and tearing, corrosion working conditions.
Embodiment
embodiment 1
The present embodiment provides a kind of corrosion resistant iron base alloy coat for thermospray, the powder that this coating is made up of metallic substance, and the chemical composition of its metallic substance is by weight percentage: Cr:4.8%, C:0.25%, Si:0.38%, Y:0.79%, Mn:1.2%, Ge:0.62%, Se:0.36%, Ti:0.55%, Ni:0.8%, Mo, Rh are at least containing a kind of, and its total content is 2.8%, lanthanide rare: 0.31%, all the other are Fe and inevitable impurity; Its coating microstructure is the Cr7C3 strengthening phase that is scattered here and there in austenite;
The constituent mass per-cent of described lanthanide rare is: cerium: 11%, terbium: 10%, europium: 5%, gadolinium: 15%, praseodymium: 21%, and surplus is lanthanum, and above each component sum is 100%.
The preparation method of the corrosion resistant iron base alloy coat for thermospray of the present embodiment, comprises following steps:
(1) blasting craft is adopted to carry out roughened, clean matrix surface to be sprayed;
(2) adopt aerosolization method to prepare dusty spray, according to weight percent formulated ferrous alloy, then this alloy of melting, adopts aerosolization method to prepare iron(-)base powder;
(3) in plasma spraying equipment, iron(-)base powder is loaded powder feeder, by trade union college to be sprayed on rotary tooling, spray, obtain iron-based composite coating, its microtexture take austenite as matrix, wherein disperses Cr7C3 strengthening phase; Spray parameters is set to: working current 600A; Arc voltage 80V; Argon pressure 0.55MPa; Argon flow amount 25L/min; Hydrogen pressure 0.25MPa; Hydrogen flowing quantity 2.0L/min; Powder feeding rate 90g/min; Spray distance 100mm; Spray angle is 45 °.
embodiment 2
The present embodiment provides a kind of corrosion resistant iron base alloy coat for thermospray, the powder that this coating is made up of metallic substance, and the chemical composition of its metallic substance is by weight percentage: Cr:8.3%, C:0.43%, Si:0.55%, Y:0.82%, Mn:1.28%, Ge:0.78%, Se:0.42%, Ti:0.67%, Ni:0.92%, Mo, Rh are at least containing a kind of, and its total content is 4%, lanthanide rare: 0.37%, all the other are Fe and inevitable impurity; Its coating microstructure is the Cr7C3 strengthening phase that is scattered here and there in austenite;
The constituent mass per-cent of described lanthanide rare is: cerium: 15%, terbium: 12%, europium: 6%, gadolinium: 18%, praseodymium: 22%, and surplus is lanthanum, and above each component sum is 100%.
The preparation method of the corrosion resistant iron base alloy coat for thermospray of the present embodiment, comprises following steps:
(1) blasting craft is adopted to carry out roughened, clean matrix surface to be sprayed;
(2) adopt aerosolization method to prepare dusty spray, according to weight percent formulated ferrous alloy, then this alloy of melting, adopts aerosolization method to prepare iron(-)base powder;
(3) in plasma spraying equipment, iron(-)base powder is loaded powder feeder, by trade union college to be sprayed on rotary tooling, spray, obtain iron-based composite coating, its microtexture take austenite as matrix, wherein disperses Cr7C3 strengthening phase; Spray parameters is set to: working current 580A; Arc voltage 70V; Argon pressure 0.60MPa; Argon flow amount 25L/min; Hydrogen pressure 0.30MPa; Hydrogen flowing quantity 2.5L/min; Powder feeding rate 100g/min; Spray distance 110mm; Spray angle is 55 °.
embodiment 3
The present embodiment provides a kind of corrosion resistant iron base alloy coat for thermospray, the powder that this coating is made up of metallic substance, and the chemical composition of its metallic substance is by weight percentage: Cr:12.3%, C:0.53%, Si:0.75%, Y:0.86%, Mn:2.4%, Ge:0.88%, Se:0.52%, Ti:0.87%, Ni:1.4%, Mo, Rh are at least containing a kind of, and its total content is 6%, lanthanide rare: 0.43%, all the other are Fe and inevitable impurity; Its coating microstructure is the Cr7C3 strengthening phase that is scattered here and there in austenite;
The constituent mass per-cent of described lanthanide rare is: cerium: 18%, terbium: 13%, europium: 7%, gadolinium: 22%, praseodymium: 24%, and surplus is lanthanum, and above each component sum is 100%.
The preparation method of the corrosion resistant iron base alloy coat for thermospray of the present embodiment, comprises following steps:
(1) blasting craft is adopted to carry out roughened, clean matrix surface to be sprayed;
(2) adopt aerosolization method to prepare dusty spray, according to weight percent formulated ferrous alloy, then this alloy of melting, adopts aerosolization method to prepare iron(-)base powder;
(3) in plasma spraying equipment, iron(-)base powder is loaded powder feeder, by trade union college to be sprayed on rotary tooling, spray, obtain iron-based composite coating, its microtexture take austenite as matrix, wherein disperses Cr7C3 strengthening phase; Spray parameters is set to: working current 560A; Arc voltage 70V; Argon pressure 0.65MPa; Argon flow amount 35L/min; Hydrogen pressure 0.32MPa; Hydrogen flowing quantity 3.0L/min; Powder feeding rate 120g/min; Spray distance 120mm; Spray angle is 65 °.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (6)
1. for the corrosion resistant iron base alloy coat of thermospray, it is characterized in that: the powder that this coating is made up of metallic substance, the chemical composition of its metallic substance is by weight percentage: Cr:4.8-12.3%, C:0.25-0.53%, Si:0.38-0.75%, Y:0.79-0.86%, Mn:1.2-2.4%, Ge:0.62-0.88%, Se:0.36-0.52%, Ti:0.55-0.87%, Ni:0.8-1.4%, and to meet Mn and Ni sum be 1.8-3.9%, Mo, Rh is at least containing a kind of, its total content is 2-6%, lanthanide rare: 0.31-0.43%, all the other are Fe and inevitable impurity, its coating microstructure is the Cr7C3 strengthening phase that is scattered here and there in austenite,
The constituent mass per-cent of described lanthanide rare is: cerium: 11-18%, terbium: 10-13%, europium: 5-7%, gadolinium: 15-22%, praseodymium: 21-24%, and surplus is lanthanum, and above each component sum is 100%.
2., as claimed in claim 1 for the corrosion resistant iron base alloy coat of thermospray, it is characterized in that: the powder that this coating is made up of metallic substance, the chemical composition of its metallic substance is by weight percentage: Cr:4.8%, C:0.25%, Si:0.38%, Y:0.79%, Mn:1.2%, Ge:0.62%, Se:0.36%, Ti:0.55%, Ni:0.8%, Mo, Rh are at least containing a kind of, and its total content is 2.8%, lanthanide rare: 0.31%, all the other are Fe and inevitable impurity; Its coating microstructure is the Cr7C3 strengthening phase that is scattered here and there in austenite;
The constituent mass per-cent of described lanthanide rare is: cerium: 11%, terbium: 10%, europium: 5%, gadolinium: 15%, praseodymium: 21%, and surplus is lanthanum, and above each component sum is 100%.
3., as claimed in claim 1 for the corrosion resistant iron base alloy coat of thermospray, it is characterized in that: the powder that this coating is made up of metallic substance, the chemical composition of its metallic substance is by weight percentage: Cr:8.3%, C:0.43%, Si:0.55%, Y:0.82%, Mn:1.28%, Ge:0.78%, Se:0.42%, Ti:0.67%, Ni:0.92%, Mo, Rh are at least containing a kind of, and its total content is 4%, lanthanide rare: 0.37%, all the other are Fe and inevitable impurity; Its coating microstructure is the Cr7C3 strengthening phase that is scattered here and there in austenite;
The constituent mass per-cent of described lanthanide rare is: cerium: 15%, terbium: 12%, europium: 6%, gadolinium: 18%, praseodymium: 22%, and surplus is lanthanum, and above each component sum is 100%.
4., as claimed in claim 1 for the corrosion resistant iron base alloy coat of thermospray, it is characterized in that: the powder that this coating is made up of metallic substance, the chemical composition of its metallic substance is by weight percentage: Cr:12.3%, C:0.53%, Si:0.75%, Y:0.86%, Mn:2.4%, Ge:0.88%, Se:0.52%, Ti:0.87%, Ni:1.4%, Mo, Rh are at least containing a kind of, and its total content is 6%, lanthanide rare: 0.43%, all the other are Fe and inevitable impurity; Its coating microstructure is the Cr7C3 strengthening phase that is scattered here and there in austenite;
The constituent mass per-cent of described lanthanide rare is: cerium: 18%, terbium: 13%, europium: 7%, gadolinium: 22%, praseodymium: 24%, and surplus is lanthanum, and above each component sum is 100%.
5., as claimed in claim 1 for the preparation method of the corrosion resistant iron base alloy coat of thermospray, it is characterized in that comprising following steps:
(1) blasting craft is adopted to carry out roughened, clean matrix surface to be sprayed;
(2) adopt aerosolization method to prepare dusty spray, according to weight percent formulated ferrous alloy, then this alloy of melting, adopts aerosolization method to prepare iron(-)base powder;
(3) in plasma spraying equipment, iron(-)base powder is loaded powder feeder, by trade union college to be sprayed on rotary tooling, spray, obtain iron-based composite coating, its microtexture take austenite as matrix, wherein disperses Cr7C3 strengthening phase.
6., as claimed in claim 5 for the preparation method of the corrosion resistant iron base alloy coat of thermospray, it is characterized in that: spray parameters is set to: working current≤600A; Arc voltage≤80V; Argon pressure 0.55-0.65MPa; Argon flow amount 20-35L/min; Hydrogen pressure 0.25-0.32MPa; Hydrogen flowing quantity 2.0-3.0L/min; Powder feeding rate 90-120g/min; Spray distance 100-120mm; Spray angle is 45 °-65 °.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191642A (en) * | 2016-07-01 | 2016-12-07 | 宁国市开源电力耐磨材料有限公司 | A kind of impact breaker high-chromium alloy abrasion-proof backing block and preparation method thereof |
| CN111363965A (en) * | 2020-04-03 | 2020-07-03 | 中国南方电网有限责任公司超高压输电公司柳州局 | Iron-based composite coating for reinforcing steel transmission tower, preparation method and material |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0688175A (en) * | 1992-05-22 | 1994-03-29 | Neyrpic Bmb | Wear and corrosion resisting metal finish based on noncrystalline alloy and production thereof |
| CN1498984A (en) * | 2002-11-07 | 2004-05-26 | 财团法人工业技术研究院 | Multi-element alloy coat |
| CN101381869A (en) * | 2008-10-22 | 2009-03-11 | 东莞理工学院 | Alloy powder special for laser-remelted high hardness crackless iron-base alloy |
| CN102286702A (en) * | 2011-08-15 | 2011-12-21 | 奥美合金材料科技(北京)有限公司 | Iron-based powder and parts prepared from same |
| CN103643195A (en) * | 2013-11-27 | 2014-03-19 | 中国科学院宁波材料技术与工程研究所 | Plasma spray coating on aluminum alloy base surface and preparation method thereof |
| US20140295194A1 (en) * | 2011-11-22 | 2014-10-02 | Nippon Steel & Sumitomo Metal Corporation | Heat resistant ferritic steel and method for producing the same |
-
2015
- 2015-04-21 CN CN201510190443.6A patent/CN104775085A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0688175A (en) * | 1992-05-22 | 1994-03-29 | Neyrpic Bmb | Wear and corrosion resisting metal finish based on noncrystalline alloy and production thereof |
| CN1498984A (en) * | 2002-11-07 | 2004-05-26 | 财团法人工业技术研究院 | Multi-element alloy coat |
| CN101381869A (en) * | 2008-10-22 | 2009-03-11 | 东莞理工学院 | Alloy powder special for laser-remelted high hardness crackless iron-base alloy |
| CN102286702A (en) * | 2011-08-15 | 2011-12-21 | 奥美合金材料科技(北京)有限公司 | Iron-based powder and parts prepared from same |
| US20140295194A1 (en) * | 2011-11-22 | 2014-10-02 | Nippon Steel & Sumitomo Metal Corporation | Heat resistant ferritic steel and method for producing the same |
| CN103643195A (en) * | 2013-11-27 | 2014-03-19 | 中国科学院宁波材料技术与工程研究所 | Plasma spray coating on aluminum alloy base surface and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106191642A (en) * | 2016-07-01 | 2016-12-07 | 宁国市开源电力耐磨材料有限公司 | A kind of impact breaker high-chromium alloy abrasion-proof backing block and preparation method thereof |
| CN106191642B (en) * | 2016-07-01 | 2017-12-29 | 宁国市开源电力耐磨材料有限公司 | A kind of impact breaker high-chromium alloy wearable liner and preparation method thereof |
| CN111363965A (en) * | 2020-04-03 | 2020-07-03 | 中国南方电网有限责任公司超高压输电公司柳州局 | Iron-based composite coating for reinforcing steel transmission tower, preparation method and material |
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Application publication date: 20150715 |