CN106400080A - Surface hardening treatment process for aluminum alloy tableware - Google Patents
Surface hardening treatment process for aluminum alloy tableware Download PDFInfo
- Publication number
- CN106400080A CN106400080A CN201611010781.8A CN201611010781A CN106400080A CN 106400080 A CN106400080 A CN 106400080A CN 201611010781 A CN201611010781 A CN 201611010781A CN 106400080 A CN106400080 A CN 106400080A
- Authority
- CN
- China
- Prior art keywords
- anodic oxidation
- tableware
- anodizing
- alloy tableware
- aluminium alloy
- 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
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/08—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing inorganic acids
Abstract
The invention relates to a surface hardening treatment process for aluminum alloy tableware. The surface hardening treatment process comprises the following steps of a, adding sulfur acid into purified water, and uniformly stirring to form an anodic oxidation solution containing 160 g-180 g of sulfur acid in every one liter of purified water; pouring the prepared anodic oxidation solution into an anodic oxidation tank, and controlling the temperature of the anodic oxidation solution at -2 DEG C--3 DEG C; placing a semi-finished product of the aluminum alloy tableware into the anodic oxidation tank, switching on a working power supply for the anodic oxidation tank, correspondingly connecting 3 A -4 A working current to every one square decimeter of total surface area of the semi-finished product of the aluminum alloy tableware, and controlling the anodic oxidation time to be within 70 min-75 min; and ending the anodic oxidation time to obtain the aluminum alloy tableware. By using the treatment process disclosed by the invention, the surface hardness of the tableware is greatly increased and can be increased to HV500-HV600, the thickness of an oxidation layer is increased, and surface scratch is not likely to be caused during use; and the treatment process disclosed by the invention is simple in step and convenient to operate.
Description
Technical field
A kind of a kind of the present invention relates to handling process of tableware, present invention relates especially to Surface hardened layer of aluminium alloy tableware
Handling process.
Background technology
At present, aluminum alloy hard aoxidizes the case hardness of tableware typically in HV400, and thickness is also relatively thin, only
50 μm, scraped using metal knife cut food when, comparatively easily cause surface tear.
Content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, provides a kind of surface that can greatly improve tableware
Hardness and processing step are simple, be easy to the Surface hardening treatment technique of a kind of aluminium alloy tableware that operates.
The technical scheme providing according to the present invention, a kind of described Surface hardening treatment technique of aluminium alloy tableware includes following
Step：
A, add sulphuric acid stirring in pure water, form the anodic oxidation containing 160 ~ 180g sulphuric acid in every liter of pure water
Liquid；
B, the anodizing solution modulating is poured in anodizing tank, by the temperature control of anodizing solution at -2 ~ -3 DEG C；
C, aluminium alloy tableware semi-finished product are put in anodizing tank, anodizing tank is connected working power, every square decimeter
The operating current of the corresponding access 3 ~ 4A of the total surface area of aluminium alloy tableware semi-finished product, anodizing time controlled at 70 ~ 75 minutes；
D, anodizing time terminate, and obtain aluminium alloy tableware.
The handling process of the present invention substantially increases the case hardness of tableware, case hardness can bring up to HV500 ~
HV600, the thickness of oxide layer increases, and cannot be easily caused surface tear during use, and the treatment process steps of the present invention are simple
And be easy to operate.
Specific embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1
A kind of Surface hardening treatment technique of aluminium alloy tableware comprises the following steps：
A, in pure water, add sulphuric acid stirring, form the anodizing solution containing 160g sulphuric acid in every liter of pure water；
B, the anodizing solution modulating is poured in anodizing tank, by the temperature control of anodizing solution at -2 DEG C；
C, 5 aluminium alloy tableware semi-finished product are put in anodizing tank, the total surface of 5 aluminium alloy tableware semi-finished product is 15 flat
Square decimetre, anodizing tank is connected working power, the operating current of working power is 45A, every square decimeter of aluminium alloy tableware
The corresponding operating current accessing 3A of the total surface area of semi-finished product, anodizing time controlled at 70 minutes；
D, anodizing time terminate, and obtain aluminium alloy tableware.
The oxidated layer thickness of obtained aluminium alloy tableware is 60 μm, and its case hardness is HV500.
Embodiment 2
A kind of Surface hardening treatment technique of aluminium alloy tableware comprises the following steps：
A, in pure water, add sulphuric acid stirring, form the anodizing solution containing 180g sulphuric acid in every liter of pure water；
B, the anodizing solution modulating is poured in anodizing tank, by the temperature control of anodizing solution at -3 DEG C；
C, 5 aluminium alloy tableware semi-finished product are put in anodizing tank, the total surface of 5 aluminium alloy tableware semi-finished product is 15 flat
Square decimetre, anodizing tank is connected working power, the operating current of working power is 60A, every square decimeter of aluminium alloy tableware
The corresponding operating current accessing 4A of the total surface area of semi-finished product, anodizing time controlled at 75 minutes；
D, anodizing time terminate, and obtain aluminium alloy tableware.
The oxidated layer thickness of obtained aluminium alloy tableware is 70 μm, and its case hardness is HV600.
Embodiment 3
A kind of Surface hardening treatment technique of aluminium alloy tableware comprises the following steps：
A, in pure water, add sulphuric acid stirring, form the anodizing solution containing 170g sulphuric acid in every liter of pure water；
B, the anodizing solution modulating is poured in anodizing tank, by the temperature control of anodizing solution at -3 DEG C；
C, 5 aluminium alloy tableware semi-finished product are put in anodizing tank, the total surface of 5 aluminium alloy tableware semi-finished product is 15 flat
Square decimetre, anodizing tank is connected working power, the operating current of working power is 54A, every square decimeter of aluminium alloy tableware
The corresponding operating current accessing 3.6A of the total surface area of semi-finished product, anodizing time controlled at 72 minutes；
D, anodizing time terminate, and obtain aluminium alloy tableware.
The oxidated layer thickness of obtained aluminium alloy tableware is 64 μm, and its case hardness is HV560.
Claims (1)
1. a kind of Surface hardening treatment technique of aluminium alloy tableware, is characterized in that this technique comprises the following steps：
A, add sulphuric acid stirring in pure water, form the anodic oxidation containing 160 ~ 180g sulphuric acid in every liter of pure water
Liquid；
B, the anodizing solution modulating is poured in anodizing tank, by the temperature control of anodizing solution at -2 ~ -3 DEG C；
C, aluminium alloy tableware semi-finished product are put in anodizing tank, anodizing tank is connected working power, every square decimeter
The operating current of the corresponding access 3 ~ 4A of the total surface area of aluminium alloy tableware semi-finished product, anodizing time controlled at 70 ~ 75 minutes；
D, anodizing time terminate, and obtain aluminium alloy tableware.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010781.8A CN106400080A (en) | 2016-11-17 | 2016-11-17 | Surface hardening treatment process for aluminum alloy tableware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611010781.8A CN106400080A (en) | 2016-11-17 | 2016-11-17 | Surface hardening treatment process for aluminum alloy tableware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106400080A true CN106400080A (en) | 2017-02-15 |
Family
ID=58068816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611010781.8A Pending CN106400080A (en) | 2016-11-17 | 2016-11-17 | Surface hardening treatment process for aluminum alloy tableware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106400080A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3079240A1 (en) * | 2018-03-23 | 2019-09-27 | Dassault Aviation | PROCESS FOR ANODIZING A METAL OR ALLOY PIECE |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103014806A (en) * | 2012-09-05 | 2013-04-03 | 业纮企业股份有限公司 | Surface treatment method for aluminum alloy parts for valves |
| CN103173831A (en) * | 2013-03-19 | 2013-06-26 | 江苏新美星包装机械股份有限公司 | Surface hardening process of aluminum alloy die for bottle blowing machines |
| CN103290451A (en) * | 2012-02-28 | 2013-09-11 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for preparing high-copper aluminum surface hard oxidization film |
| CN104213173A (en) * | 2014-09-01 | 2014-12-17 | 吴啟良 | Mixed acid type hard anodizing method of aluminum and aluminum alloys |
| CN104711652A (en) * | 2013-12-11 | 2015-06-17 | 贵州红林机械有限公司 | High-hardness hard anodization technology for processing hard aluminum alloy |
-
2016
- 2016-11-17 CN CN201611010781.8A patent/CN106400080A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290451A (en) * | 2012-02-28 | 2013-09-11 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for preparing high-copper aluminum surface hard oxidization film |
| CN103014806A (en) * | 2012-09-05 | 2013-04-03 | 业纮企业股份有限公司 | Surface treatment method for aluminum alloy parts for valves |
| CN103173831A (en) * | 2013-03-19 | 2013-06-26 | 江苏新美星包装机械股份有限公司 | Surface hardening process of aluminum alloy die for bottle blowing machines |
| CN104711652A (en) * | 2013-12-11 | 2015-06-17 | 贵州红林机械有限公司 | High-hardness hard anodization technology for processing hard aluminum alloy |
| CN104213173A (en) * | 2014-09-01 | 2014-12-17 | 吴啟良 | Mixed acid type hard anodizing method of aluminum and aluminum alloys |
Non-Patent Citations (1)
| Title |
|---|
| 朱祖芳: "《铝合金阳极氧化与表面处理技术》", 31 January 2010, 化学工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3079240A1 (en) * | 2018-03-23 | 2019-09-27 | Dassault Aviation | PROCESS FOR ANODIZING A METAL OR ALLOY PIECE |
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Application publication date: 20170215 |
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