CN107686932A - A kind of corrosion resistance spheroidal graphite cast-iron and its casting heat invade aluminum plating process - Google Patents
A kind of corrosion resistance spheroidal graphite cast-iron and its casting heat invade aluminum plating process Download PDFInfo
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- CN107686932A CN107686932A CN201710652823.6A CN201710652823A CN107686932A CN 107686932 A CN107686932 A CN 107686932A CN 201710652823 A CN201710652823 A CN 201710652823A CN 107686932 A CN107686932 A CN 107686932A
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- Prior art keywords
- spheroidal graphite
- graphite cast
- iron
- corrosion resistance
- plating process
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/04—Cast-iron alloys containing spheroidal graphite
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
- C22C37/08—Cast-iron alloys containing chromium with nickel
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
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- 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
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/12—Aluminium or alloys based thereon
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- Engineering & Computer Science (AREA)
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- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a kind of corrosion resistance spheroidal graphite cast-iron and its casting heat to invade aluminum plating process, is related to technical field.Percentage by weight including each composition is as follows：C：3.7~4.5%, Si：1.5~2.0%, Al：10.5~12.5%, Mo：3.3~4.5%, Cu：2.1~2.7%, Mn0.6~1.5%, Cr：7.23~8.32%, Ni：8.17~9.73%, V：0.022~0.043%, Zn：1.12~2.1%, Re：0.03~0.05%, P ＜ 0.12, S ＜ 0.03, remaining is Fe.The spheroidal graphite cast-iron of the present invention invades between dip calorizing progress aluminium and iron the process for mutually infiltrating, melting, spread, growing by heat so that alloy-layer is carried out fusion and joined together by spheroidal graphite cast-iron, forms fine and close, neat, continuous cast-iron alloy；So that the quality of alloy is more uniform, the structural strength of alloy is improved, obtains the spheroidal graphite cast-iron immersion plating aluminium alloy of high quality.
Description
Technical field
The invention belongs to spheroidal graphite cast-iron technical field, and plating is invaded more particularly to a kind of corrosion resistance spheroidal graphite cast-iron and its casting heat
Aluminium technique.
Background technology
Hot-dip aluminizing (Hot-dip Aluminizing, HDA) is to immerse steel to keep a period of time in aluminium liquid, is passed through
The physical-chemical reaction of a series of complex of aluminium liquid and steel surface, it is allowed to the metal coating method of one layer of coating of surface adhesion
(after steel and iron parts hot-dip aluminizing, having excellent heat resistance) corrosion resistance and wearability etc., performance is comprehensive.Other thermal dip plating of steel aluminium
Technique it is simple, the plating thickness of acquisition, thus it is the method for most economical coated with aluminum at present.Hot dip Aluminized Steel has been in recent years
It is widely used in oil, chemical industry, machinery, builds, in the field such as traffic engineering and the product for civilian use.
The content of the invention
It is an object of the invention to provide a kind of corrosion resistance spheroidal graphite cast-iron and its casting heat to invade aluminum plating process, and leaching is invaded by heat
Aluminize the process for carrying out mutually infiltrating between aluminium and iron, melt, spread, grow, improve the structural strength of alloy, acquisition high quality
Spheroidal graphite cast-iron immersion plating aluminium alloy.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions：
The present invention is a kind of corrosion resistance spheroidal graphite cast-iron, including the percentage by weight of each composition is as follows：C：3.7~4.5%,
Si：1.5~2.0%, Al：10.5~12.5%, Mo：3.3~4.5%, Cu：2.1~2.7%, Mn0.6~1.5%, Cr：
7.23~8.32%, Ni：8.17~9.73%, V：0.022~0.043%, Zn：1.12~2.1%, Re：0.03~0.05%,
P ＜ 0.12, S ＜ 0.03, remaining is Fe.
Further, the percentage by weight of each composition is as follows：C：4.2%, Si：1.7%, Al：11.5%, Mo：
3.45%, Cu：2.4%, Mn1.1%, Cr：8.26%, Ni：8.73%, V：0.028%, Zn：1.7%, Re：0.04%, P ＜
0.12, S ＜ 0.03, remaining is Fe.
A kind of heat of corrosion resistance spheroidal graphite cast-iron invades aluminum plating process, comprises the following steps：
SS01 alkali cleanings；
SS02 is washed for the first time；
SS03 pickling；
Second of washing of SS04；
SS05 helps plating；
SS06 is dried；
SS07 spheroidal graphite cast-iron face seals invade heat, invade hot temperature at 800-950 DEG C；
SS08 surface magnetizations；
SS09 aluminium liquids immerse；
SS10 plating posttreatments.
Further, the SS01 alkali cleanings are by the NaOH aqueous solution of mass fraction 80%, and temperature is 80-90 DEG C, the time
For 3-6min.
Further, washing passes through flowing water flow wash 4-9min to the SS02 for the first time；Second of washing of the SS04
5-10min is soaked by hydrostatic.
Further, the SS05 helps the aqueous solution of the plating using mass fraction 6%KF and 4%NaCl, temperature 90-95
DEG C, the time is in 3-7min.
Further, the SS06 drying temperatures are at 34-40 DEG C, and drying time is in 10-20min.
Further, the SS03 pickling uses the HCl/water solution of mass fraction 15%, and pickling temperature is room temperature, pickling
Time 3-5min.
Further, specifically pretreated spheroidal graphite cast-iron is outstanding is dipped in aluminium liquid for the SS10 plating posttreatments, during immersion plating
Between in 13-20min.
The invention has the advantages that：
The spheroidal graphite cast-iron of the present invention invades between dip calorizing progress aluminium and iron what is mutually infiltrated, melt, spreading, growing by heat
Process so that alloy-layer is carried out fusion and joined together by spheroidal graphite cast-iron, forms fine and close, neat, continuous cast-iron alloy；So that close
The quality of gold is more uniform, improves the structural strength of alloy, obtains the spheroidal graphite cast-iron immersion plating aluminium alloy of high quality.
Certainly, any product for implementing the present invention it is not absolutely required to reach all the above advantage simultaneously.
Embodiment
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based in the present invention
Embodiment, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of protection of the invention.
The present invention is a kind of corrosion resistance spheroidal graphite cast-iron, including the percentage by weight of each composition is as follows：C：3.7~4.5%,
Si：1.5~2.0%, Al：10.5~12.5%, Mo：3.3~4.5%, Cu：2.1~2.7%, Mn0.6~1.5%, Cr：
7.23~8.32%, Ni：8.17~9.73%, V：0.022~0.043%, Zn：1.12~2.1%, Re：0.03~0.05%,
P ＜ 0.12, S ＜ 0.03, remaining is Fe.
Wherein, the percentage by weight of each composition is as follows：C：4.2%, Si：1.7%, Al：11.5%, Mo：3.45%, Cu：
2.4%, Mn1.1%, Cr：8.26%, Ni：8.73%, V：0.028%, Zn：1.7%, Re：0.04%, P ＜ 0.12, S ＜
0.03, remaining is Fe.
A kind of heat of corrosion resistance spheroidal graphite cast-iron invades aluminum plating process, comprises the following steps：
SS01 alkali cleanings；
SS02 is washed for the first time；
SS03 pickling；
Second of washing of SS04；
SS05 helps plating；
SS06 is dried；
SS07 spheroidal graphite cast-iron face seals invade heat, invade hot temperature at 800-950 DEG C；
SS08 surface magnetizations；
SS09 aluminium liquids immerse；
SS10 plating posttreatments.
Wherein, SS01 alkali cleanings are by the NaOH aqueous solution of mass fraction 80%, and temperature is 80-90 DEG C, time 3-6min.
Wherein, washing passes through flowing water flow wash 4-9min to SS02 for the first time；Second of washing of the SS04 passes through hydrostatic
Soak 5-10min.
Wherein, SS05 helps the aqueous solution of the plating using mass fraction 6%KF and 4%NaCl, and temperature is 90-95 DEG C, and the time exists
3-7min。
Wherein, SS06 drying temperatures are at 34-40 DEG C, and drying time is in 10-20min.
Wherein, SS03 pickling uses the HCl/water solution of mass fraction 15%, and pickling temperature is room temperature, pickling time 3-
5min。
Wherein, specifically pretreated spheroidal graphite cast-iron is outstanding is dipped in aluminium liquid for SS10 plating posttreatments, and the immersion plating time is in 13-
20min。
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to specific features, structure, material or the feature that the embodiment or example describe
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can close in any one or more embodiments or example
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, it is only described embodiment also not limit the invention.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (9)
1. a kind of corrosion resistance spheroidal graphite cast-iron, it is characterised in that the percentage by weight of each composition is as follows：
C：3.7~4.5%, Si：1.5~2.0%, Al：10.5~12.5%, Mo：3.3~4.5%, Cu：2.1~2.7%,
Mn0.6~1.5%, Cr：7.23~8.32%, Ni：8.17~9.73%, V：0.022~0.043%, Zn：1.12~2.1%,
Re：0.03~0.05%, P ＜ 0.12, S ＜ 0.03, remaining is Fe.
A kind of 2. corrosion resistance spheroidal graphite cast-iron according to claim 1, it is characterised in that the percentage by weight of each composition
It is as follows：C：4.2%, Si：1.7%, Al：11.5%, Mo：3.45%, Cu：2.4%, Mn1.1%, Cr：8.26%, Ni：
8.73%, V：0.028%, Zn：1.7%, Re：0.04%, P ＜ 0.12, S ＜ 0.03, remaining is Fe.
3. a kind of heat of corrosion resistance spheroidal graphite cast-iron invades aluminum plating process, it is characterised in that comprises the following steps：
SS01 alkali cleanings；
SS02 is washed for the first time；
SS03 pickling；
Second of washing of SS04；
SS05 helps plating；
SS06 is dried；
SS07 spheroidal graphite cast-iron face seals invade heat, invade hot temperature at 800-950 DEG C；
SS08 surface magnetizations；
SS09 aluminium liquids immerse；
SS10 plating posttreatments.
4. a kind of casting heat of corrosion resistance spheroidal graphite cast-iron according to claim 3 invades aluminum plating process, it is characterised in that described
SS01 alkali cleanings are by the NaOH aqueous solution of mass fraction 80%, and temperature is 80-90 DEG C, time 3-6min.
5. a kind of casting heat of corrosion resistance spheroidal graphite cast-iron according to claim 3 invades aluminum plating process, it is characterised in that described
Washing passes through flowing water flow wash 4-9min to SS02 for the first time；Second of washing of the SS04 soaks 5-10min by hydrostatic.
6. a kind of casting heat of corrosion resistance spheroidal graphite cast-iron according to claim 3 invades aluminum plating process, it is characterised in that described
SS05 helps the aqueous solution of the plating using mass fraction 6%KF and 4%NaCl, and temperature is 90-95 DEG C, and the time is in 3-7min.
7. a kind of casting heat of corrosion resistance spheroidal graphite cast-iron according to claim 3 invades aluminum plating process, it is characterised in that described
SS06 drying temperatures are at 34-40 DEG C, and drying time is in 10-20min.
8. a kind of casting heat of corrosion resistance spheroidal graphite cast-iron according to claim 3 invades aluminum plating process, it is characterised in that described
SS03 pickling uses the HCl/water solution of mass fraction 15%, and pickling temperature is room temperature, pickling time 3-5min.
9. a kind of casting heat of corrosion resistance spheroidal graphite cast-iron according to claim 3 invades aluminum plating process, it is characterised in that described
Specifically pretreated spheroidal graphite cast-iron is outstanding is dipped in aluminium liquid for SS10 plating posttreatments, and the immersion plating time is in 13-20min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652823.6A CN107686932A (en) | 2017-08-02 | 2017-08-02 | A kind of corrosion resistance spheroidal graphite cast-iron and its casting heat invade aluminum plating process |
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| CN201710652823.6A CN107686932A (en) | 2017-08-02 | 2017-08-02 | A kind of corrosion resistance spheroidal graphite cast-iron and its casting heat invade aluminum plating process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108950364A (en) * | 2018-07-12 | 2018-12-07 | 佛山市高明康得球铁有限公司 | A kind of preparation method of high abrasion spheroidal graphite cast-iron product |
| CN108950365A (en) * | 2018-07-12 | 2018-12-07 | 佛山市高明康得球铁有限公司 | A kind of preparation method of the spheroidal graphite cast-iron of high tenacity |
| CN113122768A (en) * | 2021-04-12 | 2021-07-16 | 长沙学院 | Low-cost seawater corrosion resistant nodular cast iron and preparation method thereof |
| CN115505830A (en) * | 2022-09-27 | 2022-12-23 | 安洁利德科技(江苏)有限公司 | Three-way catalyst heat-insulation protective cover and preparation process thereof |
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| CN106048400A (en) * | 2016-02-23 | 2016-10-26 | 江苏盈科汽车空调有限公司 | Nodular cast iron used for air conditioner compressor cylinder and preparing method of nodular cast iron |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106048400A (en) * | 2016-02-23 | 2016-10-26 | 江苏盈科汽车空调有限公司 | Nodular cast iron used for air conditioner compressor cylinder and preparing method of nodular cast iron |
| CN106148808A (en) * | 2016-06-29 | 2016-11-23 | 华北水利水电大学 | A kind of cold work die steel and preparation method thereof |
Non-Patent Citations (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108950364A (en) * | 2018-07-12 | 2018-12-07 | 佛山市高明康得球铁有限公司 | A kind of preparation method of high abrasion spheroidal graphite cast-iron product |
| CN108950365A (en) * | 2018-07-12 | 2018-12-07 | 佛山市高明康得球铁有限公司 | A kind of preparation method of the spheroidal graphite cast-iron of high tenacity |
| CN113122768A (en) * | 2021-04-12 | 2021-07-16 | 长沙学院 | Low-cost seawater corrosion resistant nodular cast iron and preparation method thereof |
| CN115505830A (en) * | 2022-09-27 | 2022-12-23 | 安洁利德科技(江苏)有限公司 | Three-way catalyst heat-insulation protective cover and preparation process thereof |
| CN115505830B (en) * | 2022-09-27 | 2023-11-03 | 安洁利德科技(江苏)有限公司 | Ternary catalyst heat insulation protective cover and preparation process thereof |
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