CN104789896A - Wear-resisting alloy steel powder for thermal spraying and preparation method thereof - Google Patents
Wear-resisting alloy steel powder for thermal spraying and preparation method thereof Download PDFInfo
- Publication number
- CN104789896A CN104789896A CN201510190486.4A CN201510190486A CN104789896A CN 104789896 A CN104789896 A CN 104789896A CN 201510190486 A CN201510190486 A CN 201510190486A CN 104789896 A CN104789896 A CN 104789896A
- Authority
- CN
- China
- Prior art keywords
- ball mill
- metal
- percent
- ball
- powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to wear-resisting alloy steel powder for thermal spraying and a preparation method thereof. The wear-resisting alloy steel powder is prepared from the following chemical components in percentage by weight: 0.34-0.41 percent of C, 1.28-1.45 percent of Si, 0.87-0.95 percent of Cr, 2.5-3.0 percent of Mn, 0.32-0.48 percent of Al, 0.05-0.07 percent of Ti, 0.35-0.47 percent of Zn, 0.27-0.32 percent of Mo, 0.22-0.36 percent of Co, 0.7-2.0 percent of Ni, 0.41-0.53 percent of lanthanides and the balance of Fe and inevitable impurities, wherein the sum of the weight percentage of Mn and Ni is 3.2-3.6 percent; the total content of the impurities is less than or equal to 0.1 percent, and the impurities comprise the following ingredients in percentage by weight: less than or equal to 0.025 percent of P, less than or equal to 0.008 percent of S, less than or equal to 0.003 percent of H, less than or equal to 0.016 percent of N and less than or equal to 0.008 percent of O; the lanthanides comprise the following ingredients in percentage by weight: 22-27 percent of Ce, 8-12 percent of Eu, 2-7 percent of Sm, 10-17 percent of Pr, 7-12 percent of Ho, 4-6 percent of Er and the balance of La, and the sum of the weight percentage of the ingredients is 100 percent. Compared with other materials used in the thermal spraying technology, the thermal spraying powder provides good oxidation resistance and wear resistance with low cost. The thermal spraying powder has a lower melting point, so that the thermal spraying powder saves energy and only needs lower temperature in the thermal spraying technology.
Description
Technical field
The present invention relates to a kind of heat spray coating layer material and preparation method thereof, a kind of wear resistant alloy powdered steel 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 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, proposes a kind of wear resistant alloy powdered steel for thermospray and preparation method thereof, retains the high strength that it is intrinsic, high-wearing feature feature simultaneously, for large-scale engineer applied provides possibility.
The present invention solves the technical scheme of above technical problem: provide a kind of wear resistant alloy powdered steel for thermospray, its chemical component weight per-cent is: C:0.34-0.41%, Si:1.28-1.45%, Cr:0.87-0.95%, Mn:2.5-3.0%, Al:0.32-0.48%, Ti:0.05-0.07%, Zn:0.35-0.47%, Mo:0.27-0.32%, Co:0.22-0.36%, Ni:0.7-2.0%, and to meet Mn and Ni sum be 3.2-3.6%, lanthanide rare: 0.41-0.53%, all the other are Fe and inevitable impurity; Total content≤0.1% of described impurity, its composition is by weight percentage, P≤0.025%, S≤0.008%, H≤0.003%, N≤0.016%, O≤0.008%;
The constituent mass per-cent of described lanthanide rare is: cerium: 22-27%, europium: 8-12%, samarium: 2-7%, praseodymium: 10-17%, holmium: 7-12%, erbium: 4-6%, and surplus is lanthanum, and above each component sum is 100%.
Further restriction technical scheme of the present invention, the aforesaid wear resistant alloy powdered steel for thermospray, its chemical component weight per-cent is: C:0.34%, Si:1.28%, Cr:0.87%, Mn:2.5%, Al:0.32%, Ti:0.05%, Zn:0.35%, Mo:0.27%, Co:0.22%, Ni:0.7%, lanthanide rare: 0.41%, all the other are Fe and inevitable impurity; The total content of described impurity: 0.1%, its composition is by weight percentage, P≤0.025%, S≤0.008%, H≤0.003%, N≤0.016%, O≤0.008%;
The constituent mass per-cent of described lanthanide rare is: cerium: 22%, europium: 8%, samarium: 2%, praseodymium: 10%, holmium: 7%, erbium: 4%, and surplus is lanthanum, and above each component sum is 100%.
The aforesaid wear resistant alloy powdered steel for thermospray, its chemical component weight per-cent is: C:0.36%, Si:1.35%, Cr:0.91%, Mn:2.7%, Al:0.39%, Ti:0.06%, Zn:0.43%, Mo:0.30%, Co:0.28%, Ni:1.3%, lanthanide rare: 0.47%, all the other are Fe and inevitable impurity; The total content of described impurity: 0.1%, its composition is by weight percentage, P≤0.025%, S≤0.008%, H≤0.003%, N≤0.016%, O≤0.008%;
The constituent mass per-cent of described lanthanide rare is: cerium: 25%, europium: 10%, samarium: 5%, praseodymium: 13%, holmium: 10%, erbium: 5%, and surplus is lanthanum, and above each component sum is 100%.
The aforesaid wear resistant alloy powdered steel for thermospray, its chemical component weight per-cent is: C:0.41%, Si:1.45%, Cr:0.95%, Mn:3.0%, Al:0.48%, Ti:0.07%, Zn:0.47%, Mo:0.32%, Co:0.36%, Ni:2.0%, lanthanide rare: 0.53%, all the other are Fe and inevitable impurity; The total content of described impurity: 0.09%, its composition is by weight percentage, P≤0.025%, S≤0.008%, H≤0.003%, N≤0.016%, O≤0.008%;
The constituent mass per-cent of described lanthanide rare is: cerium: 22-27%, europium: 8-12%, samarium: 2-7%, praseodymium: 10-17%, holmium: 7-12%, erbium: 4-6%, and surplus is lanthanum, and above each component sum is 100%.
The preparation method of the aforesaid wear resistant alloy powdered steel for thermospray, comprises the following steps:
(1) metal pre-process: adopt citric acid to mix with the ratio of acetone by weight 3:2, make metal surface cleaning agent, carry out surface cleaning to process metal, solution temperature keeps 20-25 DEG C, and soak time is 2-3h;
(2) metal drying treatment: drain after pending metal is taken out from solution, place in baking oven and carry out drying treatment, oven temperature is 85-105 DEG C, time of drying 35-50min;
(3) metal pulverization process: dried metal cools is to normal temperature, put into ball mill to pulverize, in ball mill, ball material mass ratio is 8-9:1, and the ball mill pulverizing time is 12-16h, rotating speed 250-350r/min, injects liquid nitrogen cooling in crushing process in ball mill;
(4) metal powder process process: the metal powder material after pulverizing is put into ball mill again and carried out powder process process, in ball mill, ball material mass ratio is 4-6:1, the ball mill pulverizing time is 4-6h, and rotating speed 450-500r/min injects liquid nitrogen cooling in crushing process in ball mill;
(5) to sieve process: the powder after ball milling sieves according to spraying demand, can obtain finished product.
For a preparation method for the wear resistant alloy powdered steel of thermospray, comprise the following steps:
(1) metal pre-process: adopt citric acid to mix with the ratio of acetone by weight 3:2, make metal surface cleaning agent, carry out surface cleaning to process metal, solution temperature keeps 20 DEG C, and soak time is 3h;
(2) metal drying treatment: drain after pending metal is taken out from solution, place in baking oven and carry out drying treatment, oven temperature is 85 DEG C, time of drying 50min;
(3) metal pulverization process: dried metal cools, to normal temperature, is put into ball mill and pulverized, in ball mill, ball material mass ratio is 8:1, and the ball mill pulverizing time is 16h, and rotating speed 350r/min injects liquid nitrogen cooling in crushing process in ball mill;
(4) metal powder process process: the metal powder material after pulverizing is put into ball mill again and carried out powder process process, in ball mill, ball material mass ratio is 4:1, and the ball mill pulverizing time is 6h, and rotating speed 450r/min injects liquid nitrogen cooling in crushing process in ball mill;
(5) to sieve process: the powder after ball milling sieves according to spraying demand, can obtain finished product.
The preparation method of the aforesaid wear resistant alloy powdered steel for thermospray, comprises the following steps:
(1) metal pre-process: adopt citric acid to mix with the ratio of acetone by weight 3:2, make metal surface cleaning agent, carry out surface cleaning to process metal, solution temperature keeps 22 DEG C, and soak time is 3h;
(2) metal drying treatment: drain after pending metal is taken out from solution, place in baking oven and carry out drying treatment, oven temperature is 95 DEG C, time of drying 40min;
(3) metal pulverization process: dried metal cools, to normal temperature, is put into ball mill and pulverized, in ball mill, ball material mass ratio is 9:1, and the ball mill pulverizing time is 12h, and rotating speed 260r/min injects liquid nitrogen cooling in crushing process in ball mill;
(4) metal powder process process: the metal powder material after pulverizing is put into ball mill again and carried out powder process process, in ball mill, ball material mass ratio is 5:1, and the ball mill pulverizing time is 5h, and rotating speed 480r/min injects liquid nitrogen cooling in crushing process in ball mill;
(5) to sieve process: the powder after ball milling sieves according to spraying demand, can obtain finished product.
Further, the preparation method of the aforesaid wear resistant alloy powdered steel for thermospray, comprises the following steps:
(1) metal pre-process: adopt citric acid to mix with the ratio of acetone by weight 3:2, make metal surface cleaning agent, carry out surface cleaning to process metal, solution temperature keeps 25 DEG C, and soak time is 2h;
(2) metal drying treatment: drain after pending metal is taken out from solution, place in baking oven and carry out drying treatment, oven temperature is 105 DEG C, time of drying 35min;
(3) metal pulverization process: dried metal cools, to normal temperature, is put into ball mill and pulverized, in ball mill, ball material mass ratio is 8:1, and the ball mill pulverizing time is 16h, and rotating speed 350r/min injects liquid nitrogen cooling in crushing process in ball mill;
(4) metal powder process process: the metal powder material after pulverizing is put into ball mill again and carried out powder process process, in ball mill, ball material mass ratio is 6:1, and the ball mill pulverizing time is 4h, and rotating speed 450r/min injects liquid nitrogen cooling in crushing process in ball mill;
(5) to sieve process: the powder after ball milling sieves according to spraying demand, can obtain finished product.
Beneficial effect of the present invention:
The powder that the present invention uses in hot-spraying techniques is compared with other material, this hot spray powder provides excellent resistance to oxidation and wear resisting property inexpensively, this hot spray powder also has lower fusing point, and therefore in hot-spraying techniques, save energy ground only needs lower temperature.This hot spray powder also can be applied on metal body and can not cause damage to body.In addition, compared with other iron used in hot-spraying techniques, this hot spray powder can provide the antioxidant property of improvement in hot-spraying techniques.
Embodiment
embodiment 1
The present embodiment is a kind of wear resistant alloy powdered steel for thermospray, and its chemical component weight per-cent is: C:0.34%, Si:1.28%, Cr:0.87%, Mn:2.5%, Al:0.32%, Ti:0.05%, Zn:0.35%, Mo:0.27%, Co:0.22%, Ni:0.7%, lanthanide rare: 0.41%, all the other are Fe and inevitable impurity; The total content of described impurity: 0.1%, its composition is by weight percentage, P≤0.025%, S≤0.008%, H≤0.003%, N≤0.016%, O≤0.008%;
The constituent mass per-cent of described lanthanide rare is: cerium: 22%, europium: 8%, samarium: 2%, praseodymium: 10%, holmium: 7%, erbium: 4%, and surplus is lanthanum, and above each component sum is 100%.
The present embodiment provides a kind of preparation method of the wear resistant alloy powdered steel for thermospray, comprises the following steps:
(1) metal pre-process: adopt citric acid to mix with the ratio of acetone by weight 3:2, make metal surface cleaning agent, carry out surface cleaning to process metal, solution temperature keeps 20 DEG C, and soak time is 3h;
(2) metal drying treatment: drain after pending metal is taken out from solution, place in baking oven and carry out drying treatment, oven temperature is 85 DEG C, time of drying 50min;
(3) metal pulverization process: dried metal cools, to normal temperature, is put into ball mill and pulverized, in ball mill, ball material mass ratio is 8:1, and the ball mill pulverizing time is 16h, and rotating speed 350r/min injects liquid nitrogen cooling in crushing process in ball mill;
(4) metal powder process process: the metal powder material after pulverizing is put into ball mill again and carried out powder process process, in ball mill, ball material mass ratio is 4:1, and the ball mill pulverizing time is 6h, and rotating speed 450r/min injects liquid nitrogen cooling in crushing process in ball mill;
(5) to sieve process: the powder after ball milling sieves according to spraying demand, can obtain finished product.
embodiment 2
A kind of wear resistant alloy powdered steel for thermospray of the present embodiment, its chemical component weight per-cent is: C:0.36%, Si:1.35%, Cr:0.91%, Mn:2.7%, Al:0.39%, Ti:0.06%, Zn:0.43%, Mo:0.30%, Co:0.28%, Ni:1.3%, lanthanide rare: 0.47%, all the other are Fe and inevitable impurity; The total content of described impurity: 0.1%, its composition is by weight percentage, P≤0.025%, S≤0.008%, H≤0.003%, N≤0.016%, O≤0.008%;
The constituent mass per-cent of described lanthanide rare is: cerium: 25%, europium: 10%, samarium: 5%, praseodymium: 13%, holmium: 10%, erbium: 5%, and surplus is lanthanum, and above each component sum is 100%.
The present embodiment provides a kind of preparation method of the wear resistant alloy powdered steel for thermospray, comprises the following steps:
(1) metal pre-process: adopt citric acid to mix with the ratio of acetone by weight 3:2, make metal surface cleaning agent, carry out surface cleaning to process metal, solution temperature keeps 22 DEG C, and soak time is 3h;
(2) metal drying treatment: drain after pending metal is taken out from solution, place in baking oven and carry out drying treatment, oven temperature is 95 DEG C, time of drying 40min;
(3) metal pulverization process: dried metal cools, to normal temperature, is put into ball mill and pulverized, in ball mill, ball material mass ratio is 9:1, and the ball mill pulverizing time is 12h, and rotating speed 260r/min injects liquid nitrogen cooling in crushing process in ball mill;
(4) metal powder process process: the metal powder material after pulverizing is put into ball mill again and carried out powder process process, in ball mill, ball material mass ratio is 5:1, and the ball mill pulverizing time is 5h, and rotating speed 480r/min injects liquid nitrogen cooling in crushing process in ball mill;
(5) to sieve process: the powder after ball milling sieves according to spraying demand, can obtain finished product.
embodiment 3
The present embodiment is a kind of wear resistant alloy powdered steel for thermospray, and its chemical component weight per-cent is: C:0.41%, Si:1.45%, Cr:0.95%, Mn:3.0%, Al:0.48%, Ti:0.07%, Zn:0.47%, Mo:0.32%, Co:0.36%, Ni:2.0%, lanthanide rare: 0.53%, all the other are Fe and inevitable impurity; The total content of described impurity: 0.09%, its composition is by weight percentage, P≤0.025%, S≤0.008%, H≤0.003%, N≤0.016%, O≤0.008%;
The constituent mass per-cent of described lanthanide rare is: cerium: 22-27%, europium: 8-12%, samarium: 2-7%, praseodymium: 10-17%, holmium: 7-12%, erbium: 4-6%, and surplus is lanthanum, and above each component sum is 100%.
The present embodiment provides a kind of preparation method of the wear resistant alloy powdered steel for thermospray, comprises the following steps:
(1) metal pre-process: adopt citric acid to mix with the ratio of acetone by weight 3:2, make metal surface cleaning agent, carry out surface cleaning to process metal, solution temperature keeps 25 DEG C, and soak time is 2h;
(2) metal drying treatment: drain after pending metal is taken out from solution, place in baking oven and carry out drying treatment, oven temperature is 105 DEG C, time of drying 35min;
(3) metal pulverization process: dried metal cools, to normal temperature, is put into ball mill and pulverized, in ball mill, ball material mass ratio is 8:1, and the ball mill pulverizing time is 16h, and rotating speed 350r/min injects liquid nitrogen cooling in crushing process in ball mill;
(4) metal powder process process: the metal powder material after pulverizing is put into ball mill again and carried out powder process process, in ball mill, ball material mass ratio is 6:1, and the ball mill pulverizing time is 4h, and rotating speed 450r/min injects liquid nitrogen cooling in crushing process in ball mill;
(5) to sieve process: the powder after ball milling sieves according to spraying demand, can obtain finished product.
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 (8)
1. for a wear resistant alloy powdered steel for thermospray, it is characterized in that: its chemical component weight per-cent is: C:0.34-0.41%, Si:1.28-1.45%, Cr:0.87-0.95%, Mn:2.5-3.0%, Al:0.32-0.48%, Ti:0.05-0.07%, Zn:0.35-0.47%, Mo:0.27-0.32%, Co:0.22-0.36%, Ni:0.7-2.0%, and to meet Mn and Ni sum be 3.2-3.6%, lanthanide rare: 0.41-0.53%, all the other are Fe and inevitable impurity; Total content≤0.1% of described impurity, its composition is by weight percentage, P≤0.025%, S≤0.008%, H≤0.003%, N≤0.016%, O≤0.008%;
The constituent mass per-cent of described lanthanide rare is: cerium: 22-27%, europium: 8-12%, samarium: 2-7%, praseodymium: 10-17%, holmium: 7-12%, erbium: 4-6%, and surplus is lanthanum, and above each component sum is 100%.
2., as claimed in claim 1 for the wear resistant alloy powdered steel of thermospray, it is characterized in that: its chemical component weight per-cent is: C:0.34%, Si:1.28%, Cr:0.87%, Mn:2.5%, Al:0.32%, Ti:0.05%, Zn:0.35%, Mo:0.27%, Co:0.22%, Ni:0.7%, lanthanide rare: 0.41%, all the other are Fe and inevitable impurity; The total content of described impurity: 0.1%, its composition is by weight percentage, P≤0.025%, S≤0.008%, H≤0.003%, N≤0.016%, O≤0.008%;
The constituent mass per-cent of described lanthanide rare is: cerium: 22%, europium: 8%, samarium: 2%, praseodymium: 10%, holmium: 7%, erbium: 4%, and surplus is lanthanum, and above each component sum is 100%.
3., as claimed in claim 1 for the wear resistant alloy powdered steel of thermospray, it is characterized in that: its chemical component weight per-cent is: C:0.36%, Si:1.35%, Cr:0.91%, Mn:2.7%, Al:0.39%, Ti:0.06%, Zn:0.43%, Mo:0.30%, Co:0.28%, Ni:1.3%, lanthanide rare: 0.47%, all the other are Fe and inevitable impurity; The total content of described impurity: 0.1%, its composition is by weight percentage, P≤0.025%, S≤0.008%, H≤0.003%, N≤0.016%, O≤0.008%;
The constituent mass per-cent of described lanthanide rare is: cerium: 25%, europium: 10%, samarium: 5%, praseodymium: 13%, holmium: 10%, erbium: 5%, and surplus is lanthanum, and above each component sum is 100%.
4. the wear resistant alloy powdered steel for thermospray as described in claim 1, is characterized in that: its chemical component weight per-cent is: C:0.41%, Si:1.45%, Cr:0.95%, Mn:3.0%, Al:0.48%, Ti:0.07%, Zn:0.47%, Mo:0.32%, Co:0.36%, Ni:2.0%, lanthanide rare: 0.53%, all the other are Fe and inevitable impurity; The total content of described impurity: 0.09%, its composition is by weight percentage, P≤0.025%, S≤0.008%, H≤0.003%, N≤0.016%, O≤0.008%;
The constituent mass per-cent of described lanthanide rare is: cerium: 22-27%, europium: 8-12%, samarium: 2-7%, praseodymium: 10-17%, holmium: 7-12%, erbium: 4-6%, and surplus is lanthanum, and above each component sum is 100%.
5., as claimed in claim 1 for the preparation method of the wear resistant alloy powdered steel of thermospray, it is characterized in that comprising the following steps:
(1) metal pre-process: adopt citric acid to mix with the ratio of acetone by weight 3:2, make metal surface cleaning agent, carry out surface cleaning to process metal, solution temperature keeps 20-25 DEG C, and soak time is 2-3h;
(2) metal drying treatment: drain after pending metal is taken out from solution, place in baking oven and carry out drying treatment, oven temperature is 85-105 DEG C, time of drying 35-50min;
(3) metal pulverization process: dried metal cools is to normal temperature, put into ball mill to pulverize, in ball mill, ball material mass ratio is 8-9:1, and the ball mill pulverizing time is 12-16h, rotating speed 250-350r/min, injects liquid nitrogen cooling in crushing process in ball mill;
(4) metal powder process process: the metal powder material after pulverizing is put into ball mill again and carried out powder process process, in ball mill, ball material mass ratio is 4-6:1, the ball mill pulverizing time is 4-6h, and rotating speed 450-500r/min injects liquid nitrogen cooling in crushing process in ball mill;
(5) to sieve process: the powder after ball milling sieves according to spraying demand, can obtain finished product.
6., as claimed in claim 5 for the preparation method of the wear resistant alloy powdered steel of thermospray, it is characterized in that comprising the following steps:
(1) metal pre-process: adopt citric acid to mix with the ratio of acetone by weight 3:2, make metal surface cleaning agent, carry out surface cleaning to process metal, solution temperature keeps 20 DEG C, and soak time is 3h;
(2) metal drying treatment: drain after pending metal is taken out from solution, place in baking oven and carry out drying treatment, oven temperature is 85 DEG C, time of drying 50min;
(3) metal pulverization process: dried metal cools, to normal temperature, is put into ball mill and pulverized, in ball mill, ball material mass ratio is 8:1, and the ball mill pulverizing time is 16h, and rotating speed 350r/min injects liquid nitrogen cooling in crushing process in ball mill;
(4) metal powder process process: the metal powder material after pulverizing is put into ball mill again and carried out powder process process, in ball mill, ball material mass ratio is 4:1, and the ball mill pulverizing time is 6h, and rotating speed 450r/min injects liquid nitrogen cooling in crushing process in ball mill;
(5) to sieve process: the powder after ball milling sieves according to spraying demand, can obtain finished product.
7., as claimed in claim 5 for the preparation method of the wear resistant alloy powdered steel of thermospray, it is characterized in that comprising the following steps:
(1) metal pre-process: adopt citric acid to mix with the ratio of acetone by weight 3:2, make metal surface cleaning agent, carry out surface cleaning to process metal, solution temperature keeps 22 DEG C, and soak time is 3h;
(2) metal drying treatment: drain after pending metal is taken out from solution, place in baking oven and carry out drying treatment, oven temperature is 95 DEG C, time of drying 40min;
(3) metal pulverization process: dried metal cools, to normal temperature, is put into ball mill and pulverized, in ball mill, ball material mass ratio is 9:1, and the ball mill pulverizing time is 12h, and rotating speed 260r/min injects liquid nitrogen cooling in crushing process in ball mill;
(4) metal powder process process: the metal powder material after pulverizing is put into ball mill again and carried out powder process process, in ball mill, ball material mass ratio is 5:1, and the ball mill pulverizing time is 5h, and rotating speed 480r/min injects liquid nitrogen cooling in crushing process in ball mill;
(5) to sieve process: the powder after ball milling sieves according to spraying demand, can obtain finished product.
8., as claimed in claim 5 for the preparation method of the wear resistant alloy powdered steel of thermospray, it is characterized in that comprising the following steps:
(1) metal pre-process: adopt citric acid to mix with the ratio of acetone by weight 3:2, make metal surface cleaning agent, carry out surface cleaning to process metal, solution temperature keeps 25 DEG C, and soak time is 2h;
(2) metal drying treatment: drain after pending metal is taken out from solution, place in baking oven and carry out drying treatment, oven temperature is 105 DEG C, time of drying 35min;
(3) metal pulverization process: dried metal cools, to normal temperature, is put into ball mill and pulverized, in ball mill, ball material mass ratio is 8:1, and the ball mill pulverizing time is 16h, and rotating speed 350r/min injects liquid nitrogen cooling in crushing process in ball mill;
(4) metal powder process process: the metal powder material after pulverizing is put into ball mill again and carried out powder process process, in ball mill, ball material mass ratio is 6:1, and the ball mill pulverizing time is 4h, and rotating speed 450r/min injects liquid nitrogen cooling in crushing process in ball mill;
(5) to sieve process: the powder after ball milling sieves according to spraying demand, can obtain finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190486.4A CN104789896A (en) | 2015-04-21 | 2015-04-21 | Wear-resisting alloy steel powder for thermal spraying and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510190486.4A CN104789896A (en) | 2015-04-21 | 2015-04-21 | Wear-resisting alloy steel powder for thermal spraying and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104789896A true CN104789896A (en) | 2015-07-22 |
Family
ID=53555082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510190486.4A Pending CN104789896A (en) | 2015-04-21 | 2015-04-21 | Wear-resisting alloy steel powder for thermal spraying and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104789896A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1201075A (en) * | 1998-01-23 | 1998-12-09 | 陈刚 | Iron-base powder-metallurgy anti-friction structural material and preparation method therefor |
| CN1701129A (en) * | 2003-02-13 | 2005-11-23 | 三菱制钢株式会社 | Alloy steel powder for metal injection molding improved in sintering characteristics and sintered article |
| JP2011017049A (en) * | 2009-07-08 | 2011-01-27 | Sumitomo Metal Mining Co Ltd | Boride-based cermet powder for thermal spraying |
| CN102994893A (en) * | 2012-11-22 | 2013-03-27 | 宁波市群星粉末冶金有限公司 | Power metallurgy tool steel |
| CN103725990A (en) * | 2014-01-21 | 2014-04-16 | 湖南红宇耐磨新材料股份有限公司 | Wear-resisting cast steel |
-
2015
- 2015-04-21 CN CN201510190486.4A patent/CN104789896A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1201075A (en) * | 1998-01-23 | 1998-12-09 | 陈刚 | Iron-base powder-metallurgy anti-friction structural material and preparation method therefor |
| CN1701129A (en) * | 2003-02-13 | 2005-11-23 | 三菱制钢株式会社 | Alloy steel powder for metal injection molding improved in sintering characteristics and sintered article |
| JP2011017049A (en) * | 2009-07-08 | 2011-01-27 | Sumitomo Metal Mining Co Ltd | Boride-based cermet powder for thermal spraying |
| CN102994893A (en) * | 2012-11-22 | 2013-03-27 | 宁波市群星粉末冶金有限公司 | Power metallurgy tool steel |
| CN103725990A (en) * | 2014-01-21 | 2014-04-16 | 湖南红宇耐磨新材料股份有限公司 | Wear-resisting cast steel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104576019A (en) | Method for preparing NdFeB (neodymium-iron-boron) magnet by waste materials | |
| CN104831208A (en) | High wear-resisting iron-base thermal spraying coating material and preparation method thereof | |
| CN101736248A (en) | Aluminum-silicon-zinc-rare earth-magnesium-ferrum-copper-manganese-chromium-zirconium-containing hot dip coating alloy and method for preparing same | |
| CN101284311A (en) | Sintered copper alloy brake-holder block and preparation method | |
| CN105506252A (en) | Treatment process for anti-sticking wear-resisting low-temperature-resistant flange | |
| CN102021466A (en) | Method for producing nano alloy cast iron grinding balls by using nano material | |
| CN102808108B (en) | Method for preparing protective coating material of boiler tube | |
| CN107780975B (en) | Turbine blade and preparation method thereof | |
| CN101314808A (en) | High-efficiency low-cost high-temperature inoxidzable coating material | |
| CN103422031B (en) | Corrosion-resistant steel materials | |
| CN104789896A (en) | Wear-resisting alloy steel powder for thermal spraying and preparation method thereof | |
| CN104789895A (en) | Impact-resistant alloy steel powder for thermal spraying and preparation method thereof | |
| CN104789897A (en) | High-alloy steel powder for thermal spraying and preparation method thereof | |
| CN104789917A (en) | High-chrome steel powder for thermal spraying and preparation method thereof | |
| CN104785775A (en) | Oxidation resistant alloy steel powder for thermal spraying and preparation method thereof | |
| CN104775085A (en) | Corrosion-resistant iron-base alloy coating for thermal spraying and preparation method of alloy coating | |
| CN104789905A (en) | High-toughness ferrous alloy coating for thermal spraying and preparation method thereof | |
| CN104789916A (en) | Oxidation-resistant ferrous alloy coating for thermal spraying and preparation method thereof | |
| CN101736267B (en) | Aluminum-silicon-zinc-rare earth-magnesium-ferrum-chromium-zirconium-containing hot dip coating alloy and method for preparing same | |
| CN103741060B (en) | A kind of containing yttrium roll alloy steel material and preparation method thereof | |
| CN102719630A (en) | Heat treatment process of wear-resistant high-strength low-alloy steel casting piece for automatic container fastening lock | |
| CN101736270B (en) | Aluminum-silicon-zinc-rare earth-copper-manganese-zirconium-containing hot dip coating alloy and method for preparing same | |
| CN101736226B (en) | Aluminum-silicon-zinc-rare earth-zirconium-containing hot dip coating alloy and method for preparing same | |
| CN101736260B (en) | Aluminum-silicon-zinc-rare earth-magnesium-copper-manganese-chromium-containing hot dip coating alloy and method for preparing same | |
| CN107354346A (en) | A kind of stretch-proof cable aluminium alloy conductor material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150722 |