CN110273150A - A kind of superhard coating powder and its application - Google Patents
A kind of superhard coating powder and its application Download PDFInfo
- Publication number
- CN110273150A CN110273150A CN201910596211.9A CN201910596211A CN110273150A CN 110273150 A CN110273150 A CN 110273150A CN 201910596211 A CN201910596211 A CN 201910596211A CN 110273150 A CN110273150 A CN 110273150A
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- China
- Prior art keywords
- coating
- superhard
- powder
- gun body
- superhard coating
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/07—Alloys based on nickel or cobalt based on cobalt
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The present invention relates to superhard coating powder, the component including following mass fraction: Cr 15-20%, Ni 10-15%, Mo 1-5%, Si 1-5%, C 0-0.1%, remaining be Fe；Also, the partial size of the superhard coating powder can be 45-106um, 45-90um, 20-53um or 11-45um；Or Cr 20-30%, Ni 5-15%, W 5-12%, Ta 1-5%, C 0-1%, remaining be Co；Also, the partial size of the superhard coating powder is 5-45um.Using ultrahigh speed laser melting coating by superhard coating powder melting in gun body outer surface, wherein gun body external surface coating is with a thickness of 0.1-2mm；The coating hardness reaches Rockwell hardness 60-80HRC.The method can significantly improve gun body surface hardnesses.
Description
Technical field
The invention belongs to superhard coating technical field more particularly to a kind of superhard coating powder and its applications.
Background technique
Occur perforation ontology extensively in hydraulic jetting fracturing work progress at present and return to splash to pierce bad problem.Gun body thorn
Bad the main reason for, flows through after nozzle accelerates the high velocity jet beam to be formed to impact wellbore casing inner wall for the liquid of perforation containing sand,
Backwash impacts in ejector body back, and it is poor to return the ability of splashing since gun body material is anti-, causes gun body thorn bad.
At this stage, in order to shorten the pressure break time, the service efficiency of equipment is improved, proposes one-trip string pressure break multilayer, after pressure
Tubing string all proposes that pit shaft keeps full-bore.After thus hydrajet tool being needed once to go into the well can multiple abrasive perforating, it is right
Gun body hardness requirement is high.
Therefore, these problems are based on, a kind of superhard coating that can improve gun body surface hardness is provided, are had important
Realistic meaning.
Summary of the invention
The super of gun body surface hardness can be improved it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of
Hard conating.
The present invention solves its technical problem and adopts the following technical solutions to achieve:
A kind of superhard coating powder, the component including following mass fraction:
Cr 15-20%, Ni 10-15%, Mo 1-5%, Si 1-5%, C 0-0.1%, remaining be Fe；Also, it is described
The partial size of superhard coating powder can be 45-106um, 45-90um, 20-53um or 11-45um；
Or
Cr 20-30%, Ni 5-15%, W 5-12%, Ta 1-5%, C 0-1%, remaining be Co；Also, it is described superhard
The partial size of coated powder is 5-45um.
Further, each component particle in the superhard coating powder by aerosolization or rotating electrode atomized is prepared into
It arrives.
Spray gun of the superhard coating power applications in hydraulic jetting fracturing work progress: will be surpassed using ultrahigh speed laser melting coating
Hard conating powder melting is in gun body outer surface, wherein gun body external surface coating is with a thickness of 0.1-2mm.
Further, the coating hardness reaches Rockwell hardness 60-80HRC.
The advantages and positive effects of the present invention are:
Superhard coating powder of the invention includes Cr, Ni, Mo, Si, C, Fe；Or including Cr, Ni, W, Ta, C, Co；Using
Ultrahigh speed laser melting coating is by superhard coating powder melting in gun body outer surface, wherein gun body external surface coating thickness
For 0.1-2mm, gun body surface hardness can achieve Rockwell hardness 60-80HRC；The gun body of conventional hydraulic spraycan
Surface can only realize that perforation is primary using conventional heat treatment, and use superhard coating spray gun multiple with perforation.
Specific embodiment
Firstly, it is necessary to which explanation, illustrates specific structure of the invention, feature and excellent for by way of example below
Point etc., however what all descriptions were intended merely to be illustrated, and should not be construed as to present invention formation any restrictions.This
Outside, any single technical characteristic for being described by or implying in each embodiment mentioned by this paper, still can be in these technologies spy
Continue any combination between sign (or its equivalent) or delete, to obtain this hair that may do not referred to directly herein
Bright more other embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, in addition, term " includes " and " having " and their any deformation, it is intended that covering is not arranged
His includes, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to clearly
Those of list step or unit, but may include be not clearly listed or for these process, methods, product or equipment
Intrinsic other step or units.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Embodiment 1
A kind of superhard coating powder, the component including following mass fraction:
Cr 18%, Ni 10%, Mo 3%, Si 2.5%, C 0.04%, remaining be Fe；Also, the superhard coating powder
The partial size at end can be 45-106um, 45-90um, 20-53um or 11-45um；
Wherein, each component particle in the superhard coating powder by aerosolization or rotating electrode atomized is prepared.
Spray gun of the above superhard coating power applications in hydraulic jetting fracturing work progress: ultrahigh speed laser melting coating is used
By superhard coating powder melting in gun body outer surface, wherein gun body external surface coating is with a thickness of 0.3mm.
It is tested by using coating hardness of the digital display Rockwell apparatus to gun body surface, the coating detected
Hardness reaches Rockwell hardness 62HRC.
It should be noted that the spray gun is product common on the market, such as waterpower spray gun KPS-118.
As a comparison, the gun body of hydrajet tool uses 42CrMo alloy, and surface is using conventional heat treatment, only
It is primary to be able to achieve perforation, and superhard alloy coating spray gun can be multiple with perforation.
As an example, when hydrajet tool enters well work, the beam of high velocity jet containing sand projected from nozzle is impacted
When ontology near casing wall or borehole wall backwash to nozzle, since the hardness of ontology is very high, the beam of high velocity jet containing sand is to ontology
Injure no or very little, when tubing string is moved to next layer of perforation, hydrajet tool performance and phase before first time perforation
When to realize multiple perforation of once going into the well.
Embodiment 2
A kind of superhard coating powder, the component including following mass fraction:
Cr 22%, Ni 11%, W 8%, Ta 3%, C 0.5%, remaining be Co；Also, the superhard coating powder
Partial size is 5-45um.
Wherein, each component particle in the superhard coating powder by aerosolization or rotating electrode atomized is prepared.
Spray gun of the above superhard coating power applications in hydraulic jetting fracturing work progress: ultrahigh speed laser melting coating is used
By superhard coating powder melting in gun body outer surface, wherein gun body external surface coating is with a thickness of 0.4mm.
It is tested by using coating hardness of the digital display Rockwell apparatus to gun body surface, the coating detected
Hardness reaches Rockwell hardness 65HRC.
It should be noted that the spray gun is product common on the market, such as waterpower spray gun KPS-118.
As a comparison, the gun body of hydrajet tool uses 42CrMo alloy, and surface is using conventional heat treatment, only
It is primary to be able to achieve perforation, and superhard alloy coating spray gun can be multiple with perforation.
As an example, when hydrajet tool enters well work, the beam of high velocity jet containing sand projected from nozzle is impacted
When ontology near casing wall or borehole wall backwash to nozzle, since the hardness of ontology is very high, the beam of high velocity jet containing sand is to ontology
Injure no or very little, when tubing string is moved to next layer of perforation, hydrajet tool performance and phase before first time perforation
When to realize multiple perforation of once going into the well.
Embodiment 3
A kind of superhard coating powder, the component including following mass fraction:
Cr 20%, Ni 12%, Mo 4%, Si 3%, C 0.05%, remaining be Fe；Also, the superhard coating powder
Partial size can be 45-106um, 45-90um, 20-53um or 11-45um.
Wherein, each component particle in the superhard coating powder by aerosolization or rotating electrode atomized is prepared.
Spray gun of the above superhard coating power applications in hydraulic jetting fracturing work progress: ultrahigh speed laser melting coating is used
By superhard coating powder melting in gun body outer surface, wherein gun body external surface coating is with a thickness of 1mm.
It is tested by using coating hardness of the digital display Rockwell apparatus to gun body surface, the coating detected
Hardness reaches Rockwell hardness 70HRC.
It should be noted that the spray gun is product common on the market, such as waterpower spray gun KPS-118.
As a comparison, the gun body of hydrajet tool uses 42CrMo alloy, and surface is using conventional heat treatment, only
It is primary to be able to achieve perforation, and superhard alloy coating spray gun can be multiple with perforation.
As an example, when hydrajet tool enters well work, the beam of high velocity jet containing sand projected from nozzle is impacted
When ontology near casing wall or borehole wall backwash to nozzle, since the hardness of ontology is very high, the beam of high velocity jet containing sand is to ontology
Injure no or very little, when tubing string is moved to next layer of perforation, hydrajet tool performance and phase before first time perforation
When to realize multiple perforation of once going into the well.
Embodiment 4
A kind of superhard coating powder, the component including following mass fraction:
Cr 24%, Ni 15%, W 12%, Ta 5%, C 0.7%, remaining be Co；Also, the superhard coating powder
Partial size be 5-45um.
Wherein, each component particle in the superhard coating powder by aerosolization or rotating electrode atomized is prepared.
Spray gun of the above superhard coating power applications in hydraulic jetting fracturing work progress: ultrahigh speed laser melting coating is used
By superhard coating powder melting in gun body outer surface, wherein gun body external surface coating is with a thickness of 1.2mm.
It is tested by using coating hardness of the digital display Rockwell apparatus to gun body surface, the coating detected
Hardness reaches Rockwell hardness 75HRC.
It should be noted that the spray gun is product common on the market, such as waterpower spray gun KPS-118.
As a comparison, the gun body of hydrajet tool uses 42CrMo alloy, and surface is using conventional heat treatment, only
It is primary to be able to achieve perforation, and superhard alloy coating spray gun can be multiple with perforation.
As an example, when hydrajet tool enters well work, the beam of high velocity jet containing sand projected from nozzle is impacted
When ontology near casing wall or borehole wall backwash to nozzle, since the hardness of ontology is very high, the beam of high velocity jet containing sand is to ontology
Injure no or very little, when tubing string is moved to next layer of perforation, hydrajet tool performance and phase before first time perforation
When to realize multiple perforation of once going into the well.
Above embodiments describe the invention in detail, but content is only the preferred embodiment of the present invention, no
It can be believed to be used to limit the scope of the invention.Any changes and modifications in accordance with the scope of the present application,
It should still fall within the scope of the patent of the present invention.
Claims (4)
1. a kind of superhard coating powder, it is characterised in that: the component including following mass fraction:
Cr 15-20%, Ni 10-15%, Mo 1-5%, Si 1-5%, C 0-0.1%, remaining be Fe；Also, it is described superhard
The partial size of coated powder can be 45-106um, 45-90um, 20-53um or 11-45um；
Or
Cr 20-30%, Ni 5-15%, W 5-12%, Ta 1-5%, C 0-1%, remaining be Co；Also, the superhard coating
The partial size of powder is 5-45um.
2. a kind of superhard coating powder according to claim 1, it is characterised in that: each group in the superhard coating powder
Point particle is by aerosolization or rotating electrode atomized is prepared.
3. spray gun of the superhard coating power applications of any of claims 1 or 2 in hydraulic jetting fracturing work progress, feature
It is: using ultrahigh speed laser melting coating by superhard coating powder melting in gun body outer surface, wherein gun body outer surface
Coating layer thickness is 0.1-2mm.
4. spray gun of the superhard coating power applications according to claim 3 in hydraulic jetting fracturing work progress, special
Sign is: the coating hardness reaches Rockwell hardness 60-80HRC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910596211.9A CN110273150A (en) | 2019-07-03 | 2019-07-03 | A kind of superhard coating powder and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910596211.9A CN110273150A (en) | 2019-07-03 | 2019-07-03 | A kind of superhard coating powder and its application |
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| Publication Number | Publication Date |
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| CN110273150A true CN110273150A (en) | 2019-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910596211.9A Pending CN110273150A (en) | 2019-07-03 | 2019-07-03 | A kind of superhard coating powder and its application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134426A (en) * | 2021-12-09 | 2022-03-04 | 河北科技大学 | Iron-based laser cladding layer powder and preparation method of iron-based laser cladding layer |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114134426A (en) * | 2021-12-09 | 2022-03-04 | 河北科技大学 | Iron-based laser cladding layer powder and preparation method of iron-based laser cladding layer |
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Application publication date: 20190924 |
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