CN108704824A - A kind of metal component anti-corrosion method - Google Patents
A kind of metal component anti-corrosion method Download PDFInfo
- Publication number
- CN108704824A CN108704824A CN201810830960.9A CN201810830960A CN108704824A CN 108704824 A CN108704824 A CN 108704824A CN 201810830960 A CN201810830960 A CN 201810830960A CN 108704824 A CN108704824 A CN 108704824A
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- CN
- China
- Prior art keywords
- metal component
- circular arc
- arc chamfering
- paint film
- corner angle
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- 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.)
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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
- 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
- B05D7/14—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 metal, e.g. car bodies
-
- 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
- B05D3/10—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 other chemical means
- B05D3/102—Pretreatment of metallic substrates
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/08—Surface hardening with flames
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to a kind of metal component anti-corrosion methods, it carries out circular arc chamfering processing by the corner angle to metal component, the corner angle of metal component are processed to circular arc chamfering portion, then are heat-treated to circular arc chamfering portion, and heat treatment is finished carries out brushing anti-decaying paint to the surface of metal component.The present invention carries out circular arc chamfering processing by the corner angle to metal component; it is advanced optimized again by heat treatment, subsequent paint film can be made to be evenly distributed, paint film is not easy to be corroded; the service life of paint film significantly extends, and paint film greatly improves the anti-corrosion protection time limit of metal component.
Description
Technical field
The present invention relates to a kind of metal component anti-corrosion methods, belong to construction and installation technical field.
Background technology
Currently, in the steel buildings installation project such as electrolysis, net liquid, vent gas treatment, steel building easily being corroded property,
Although derusting, corrosion-resistant construction requirement are higher than general place, the iron component for being placed in this environment is equal after using one or two years
There is different degrees of corrosion.Its corrosion is usually all first since the edge with corner angle, then from edge along metal
Start gradually to open to circumferential expansion in surface anticorrosion layer, finally causes full corrosion of component.
Invention content
The present invention is in view of the deficienciess of the prior art, provide a kind of metal component anti-corrosion method, specific technical solution
It is as follows：
A kind of metal component anti-corrosion method carries out circular arc chamfering processing, then to metal component to the corner angle of metal component
Surface carry out brushing anti-decaying paint.
As an improvement of the above technical solution, circular arc chamfering processing is carried out to the corner angle of metal component using abrasive machine.
As an improvement of the above technical solution, after carrying out circular arc chamfering processing to the corner angle of metal component, metal component
Corner angle are processed to circular arc chamfering portion, and the radius of circular arc is more than 4mm in circular arc chamfering portion.
As an improvement of the above technical solution, circular arc chamfering processing, the rib of metal component are carried out to the corner angle of metal component
Angle is processed to circular arc chamfering portion, then is heat-treated to circular arc chamfering portion, and heat treatment finishes the surface progress to metal component
Brushing anti-decaying paint.
As an improvement of the above technical solution, the heat treatment process is as follows：Surface smear quality in circular arc chamfering portion
Then the hydrogen peroxide that score is 30%~35% uses oxy-acetylene flame to carry out natural cooling after calcination 2~3 seconds to circular arc chamfering portion
Complete heat treatment operation.
Beneficial effects of the present invention：
The present invention carries out circular arc chamfering processing by the corner angle to metal component, then is advanced optimized by heat treatment, meeting
So that subsequent paint film is evenly distributed, paint film is not easy to be corroded, and the service life of paint film significantly extends, and paint film is to metal component
The anti-corrosion protection time limit greatly improves.
Description of the drawings
Fig. 1 is the schematic diagram that control metal component described in the embodiment of the present invention 1 is combined with control paint film；
Fig. 2 is the schematic diagram that metal component is combined with paint film described in the embodiment of the present invention 2.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1
It is rectangular-shape to compare metal component 10a, and there are corner angle by control metal component 10a, control metal component 10a's
Surface carries out brushing anti-decaying paint and obtains control anti-corrosion part x.
In the present embodiment, in Fig. 1, in contrast paint film 20a after anti-decaying paint drying.Control metal component 10a's
Surface, a part are the paint film 20a of planar portions attachment, and the paint film 20a thickness of planar portions attachment is 200 ± 10 μm, in addition one
Point it is the paint film 20a of property at parts of edges and corners surface attachment；The paint of the thickness of the paint film 20a of property at parts of edges and corners surface attachment and planar portions attachment
The difference of the thickness of film 20a is 100~150 μm.The analysis found that anti-decaying paint is after brushing, due to the original of liquid level tension
Cause, the thickness that can form property at parts of edges and corners paint film 20a are less than non-property at parts of edges and corners, as shown in Figure 1.
Control anti-corrosion part x is put into high/low temperature circulating box, 4 are carried out to its stability at a temperature of -10~60 DEG C
Observation in a month.The appearance and record of an anti-corrosion part are observed every other month, and the results are shown in Table 1.
Table 1
Due to exposing to the sun and rain or being chronically in corrosive environment, the gradual weathering of paint film 20a or antiseptic property reduce, and cause
Make protected control metal component 10a corrosions since most weak position (property at parts of edges and corners), and gradually spreads, it is final to make
Paint film 20a at property at parts of edges and corners cracks, to influence entire control anti-corrosion part x.
Embodiment 2
Metal component 10 is rectangular-shape, and circular arc chamfering processing, gold are carried out to the corner angle of metal component 10 using abrasive machine
The corner angle of metal elements 10 are processed to circular arc chamfering portion, and the radius of circular arc is more than 4mm in circular arc chamfering portion；Again to circular arc chamfering portion
It is heat-treated, the heat treatment process is as follows：Pair that surface smear mass fraction in circular arc chamfering portion is 30%~35%
Oxygen water, natural cooling completes heat treatment operation after then using oxy-acetylene flame to carry out calcination 2~3 seconds to circular arc chamfering portion.Heat
It is disposed and brushing anti-decaying paint is carried out to the surface of metal component 10 obtains anti-corrosion part.
In the present embodiment, the corner angle of metal component 10 are processed to the circular arc chamfering portion that radius is 5.2mm, in fig. 2,
Paint film 20 is formed after anti-decaying paint drying.On the surface of metal component 10, a part is the paint film 20 of planar portions attachment, usually said
The thickness of anti-corrosion part surface film 20 is the thickness of the paint film 20 of planar portions attachment, and the thickness of the paint film 20 of planar portions attachment is
200 ± 10 μm, another part is the paint film 20 of circular arc chamfering portion surface attachment；The paint film 20 of circular arc chamfering portion surface attachment
The difference of the thickness of thickness and the paint film 20 of planar portions attachment is 20~35 μm.The analysis found that anti-decaying paint is after brushing,
Due to handling corners, even if there are liquid level tension, influence of the liquid level tension to paint film 20a thickness is small, so that
The thickness for the paint film 20 that the thickness of the paint film 20 of circular arc chamfering portion surface attachment adheres to close to planar portions, as shown in Figure 2.
Anti-corrosion part is put into high/low temperature circulating box, its stability is carried out 4 months at a temperature of -10~60 DEG C
Observation.The appearance and record of an anti-corrosion part are observed every other month, and the results are shown in Table 2.
Table 2
Since the paint film 20 on 10 surface of metal component is evenly distributed, the thickness of the paint film 20 of circular arc chamfering portion surface attachment connects
The thickness of paint film 20 at nearly non-circular arc chamfered section, the paint film 20 of circular arc chamfering portion surface attachment were not easy to be rusted within the protection period.
Embodiment 3
Metal component 10 is rectangular-shape, and circular arc chamfering processing, gold are carried out to the corner angle of metal component 10 using abrasive machine
The corner angle of metal elements 10 are processed to circular arc chamfering portion, and the radius of circular arc is more than 4mm in circular arc chamfering portion；Finally to metal component
10 surface carries out brushing anti-decaying paint and obtains control anti-corrosion part y.
In the present embodiment, the corner angle of metal component 10 are processed to the circular arc chamfering portion that radius is 5.2mm, and anti-decaying paint is dry
Paint film 20 is formed after dry.On the surface of metal component 10, a part is the paint film 20 of planar portions attachment, usually said anti-corrosion part table
The thickness of top-coat paint film 20 is the thickness of the paint film 20 of planar portions attachment, and the thickness of the paint film 20 of planar portions attachment is 200 ± 10 μ
M, another part are the paint films 20 of circular arc chamfering portion surface attachment；The thickness of the paint film 20 of circular arc chamfering portion surface attachment with it is flat
The difference of the thickness of the paint film 20 of face attachment is 55~85 μm.
Control anti-corrosion part y is put into high/low temperature circulating box, 4 are carried out to its stability at a temperature of -10~60 DEG C
Observation in a month.The appearance and record of an anti-corrosion part are observed every other month, and the results are shown in Table 3.
Table 3
In the above-described embodiments, during heat treatment, the oxy-acetylene flame refer to the volume ratio of oxygen and acetylene be 1~
Generated flame when 1.2.
High/low temperature circulating box is commonly used equipment in simulation degradation, can be with the temperature, wet in simulating natural environment
The climatic environment of degree, humiture cycle, test sample are placed one month in the environment, are equivalent to and are placed 1 year outdoors.
If compareing anti-corrosion part x in embodiment 1 in nature, there is serious corrosion at 1 year or so.Embodiment
If just there is serious corrosion in nature, in the 4th year in the anti-corrosion part in 2.That is, to the rib of metal component 10
Angle carries out circular arc chamfering processing, then is heat-treated, and subsequent paint film 20 can be made to be evenly distributed, in 3 years, paint film 20 is not easy
It is corroded, the service life of paint film 20 significantly extends, and paint film 20 greatly improves the anti-corrosion protection time limit of metal component 10.Pass through
Comparative example 2 and embodiment 3 contribute to subsequent paint film 20 to be uniformly distributed it is found that carrying out heat treatment to circular arc chamfering portion, from
And the service life of paint film 20 is further extended.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (5)
1. a kind of metal component anti-corrosion method, it is characterised in that：Circular arc chamfering processing is carried out to the corner angle of metal component, it is then right
The surface of metal component carries out brushing anti-decaying paint.
2. a kind of metal component anti-corrosion method according to claim 1, it is characterised in that：Using abrasive machine to metal component
Corner angle carry out circular arc chamfering processing.
3. a kind of metal component anti-corrosion method according to claim 1, it is characterised in that：The corner angle of metal component are carried out
After circular arc chamfering processing, the corner angle of metal component are processed to circular arc chamfering portion, and the radius of circular arc is more than in circular arc chamfering portion
4mm。
4. a kind of metal component anti-corrosion method according to claim 3, it is characterised in that：The corner angle of metal component are carried out
Circular arc chamfering processing, the corner angle of metal component are processed to circular arc chamfering portion, then are heat-treated to circular arc chamfering portion, heat treatment
It finishes and brushing anti-decaying paint is carried out to the surface of metal component.
5. a kind of metal component anti-corrosion method according to claim 4, it is characterised in that：The heat treatment process is as follows：
The hydrogen peroxide that surface smear mass fraction in circular arc chamfering portion is 30%~35%, then uses oxy-acetylene flame to circular arc chamfering
Natural cooling completes heat treatment operation after portion's progress calcination 2~3 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810830960.9A CN108704824A (en) | 2018-07-26 | 2018-07-26 | A kind of metal component anti-corrosion method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810830960.9A CN108704824A (en) | 2018-07-26 | 2018-07-26 | A kind of metal component anti-corrosion method |
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| CN108704824A true CN108704824A (en) | 2018-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810830960.9A Pending CN108704824A (en) | 2018-07-26 | 2018-07-26 | A kind of metal component anti-corrosion method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1297853A1 (en) * | 2001-10-01 | 2003-04-02 | Matsumoto Dental University | Method of forming an oxide film on a metallic member |
| CN102658392A (en) * | 2012-05-10 | 2012-09-12 | 武船重型工程股份有限公司 | Steel plate edge R2 convex circular bead edge milling machine |
-
2018
- 2018-07-26 CN CN201810830960.9A patent/CN108704824A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1297853A1 (en) * | 2001-10-01 | 2003-04-02 | Matsumoto Dental University | Method of forming an oxide film on a metallic member |
| CN102658392A (en) * | 2012-05-10 | 2012-09-12 | 武船重型工程股份有限公司 | Steel plate edge R2 convex circular bead edge milling machine |
Non-Patent Citations (4)
| Title |
|---|
| 朱万强: "《涂料基础教程》", 30 June 2012, 西南交通大学出版社 * |
| 毛士盼: "钢铁涂装前处理工艺研究", 《百度文库》 * |
| 毛应淮: "《工业污染核算》", 31 December 2014, 中国环境出版社 * |
| 涂料调色师: "教你如何防治工程机械涂层早期缺陷", 《HTTP://INFO.PF.HC360.COM/2016/03/100815541216.SHTML》 * |
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Application publication date: 20181026 |