CN105369078A - Machining method for ferro-aluminium alloy steel pot - Google Patents
Machining method for ferro-aluminium alloy steel pot Download PDFInfo
- Publication number
- CN105369078A CN105369078A CN201510885833.5A CN201510885833A CN105369078A CN 105369078 A CN105369078 A CN 105369078A CN 201510885833 A CN201510885833 A CN 201510885833A CN 105369078 A CN105369078 A CN 105369078A
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- CN
- China
- Prior art keywords
- workpiece
- coating
- steel pot
- ferroaluminium
- rare earth
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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
- C22C21/00—Alloys based on aluminium
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
-
- 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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/28—Processes for applying liquids or other fluent materials performed by transfer from the surfaces of elements carrying the liquid or other fluent material, e.g. brushes, pads, rollers
-
- 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
- B05D3/02—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 baking
- B05D3/0254—After-treatment
-
- 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
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/60—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes
- C23C8/62—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes only one element being applied
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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)
- Food Science & Technology (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Chemical Treatment Of Metals (AREA)
Abstract
The invention discloses a machining method for a ferro-aluminium alloy steel pot. The machining method comprises the following steps: (1), material preparation; (2), punch forming; (3), nitrogen treatment; (4), treatment before coating; (5), rare earth coating; and (6), product packing. According to the manufacture method, firstly, carbonyl iron powder is added in traditional iron powder, so that the hardness and brittleness of a product are lowered, and the risk of being chipped or broken is reduced; then nitrogen treatment is performed in a mode of adding liquid nitrogen dropwise, so that a nitriding film is formed; finally, a organosilicone coating with rare earth is smeared on the inner surface of a workpiece; rare earth ions can form an insoluble complex with OH<-> generated during an oxygen absorbing corrosion process happening on the surface of a metal substrate, so that electrode reaction of corrosion is retarded, and a good rust-proof slow-release effect is realized; and the coating film formed by organosilicone is uniformly adhered onto the surface of the workpiece, so that corrosion of the atmosphere, water, vapour, oil, salt, vinegar and the like can be well resisted, and a long-acting protection effect is realized.
Description
Technical field
The present invention relates to a kind of nitridation treatment method, particularly relate to a kind of working method of ferroaluminium steel pot.
Background technology
Traditional pot adopts ferroaluminium mostly, and be adopt the mode passing into nitrogen when alloy carries out nitriding treatment, and the requirement of this method to temperature and pressure is higher, technological forming is complicated, and energy consumption is higher, and the surface of traditional pot can apply a coating film, although this film can play certain rust-proof effect, but due to long heat and wiping, also can cause coming off of film, therefore how effectively reduce burn into and improve the emphasis that rustless property is also life PRODUCTION TRAITS now.
Summary of the invention
The shortcomings such as instant invention overcomes the energy consumption existed in prior art high, technique is loaded down with trivial details, and equipment requirements is higher, provide a kind of working method of ferroaluminium steel pot.
The present invention is achieved by the following technical solutions:
A working method for ferroaluminium steel pot, comprises the following steps:
(1) preparation of raw material: aluminium 10-90%, iron 10-90%, carbon 3-5%, silicon 1-2%, remaining be manganese, wherein form iron level be traditional iron powder and carbonyl iron dust, the weight ratio of traditional iron powder and carbonyl iron dust is 30-40:1;
(2) impact briquetting: the steel plate materials prepared by described raw material is cold stamping shaped by oil press;
(3) nitriding treatment: the workpiece after above-mentioned impact briquetting is sent into vacuum high-temperature case, is heated to 550-560 DEG C, keeps constant temperature, what continue adds solid nitrogen, and the speed added is 60-70s/g, continues to add 3.6-4 hour, discharging, naturally cools to normal temperature by workpiece;
(4) pre-treatment is applied: dust and the oxide skin of falling workpiece surface after nitrogenize with emery cloth sand;
(5) rare earth film: get the cerous nitrate that mass ratio is 3-4:3-4, lanthanum nitrate, mix and blend, join in 200-300 times of deionized water, magnetic agitation 10-15 minute, add Virahol, tetraethoxy, stir, pour in above-mentioned workpiece, be heated to 80-90 DEG C, the ammoniacal liquor of 25-28% is dripped under agitation condition, adjustment PH is 10-12, maintain the temperature at 80-90 DEG C, said mixture material is applied uniformly on inside workpiece top layer with resistant to elevated temperatures hairbrush, time length 1-2 hour, the leftover materials not being sticky in inside workpiece surface are poured out, solidification,
(6) finished product packing: workpiece is loaded onto handle or other basi components, packaging warehouse-in.
A working method for ferroaluminium steel pot, the weight ratio of the cerous nitrate described in the coating of step (5) middle-weight rare earths, Virahol, tetraethoxy is 1-2:60-70:30-40.
A working method for ferroaluminium steel pot, the solidification value described in the coating of step (5) middle-weight rare earths is 200-250 DEG C, and set time is 20-30 minute.
Advantage of the present invention is:
First the present invention adds carbonyl iron dust in traditional iron powder, reduce hardness and the fragility of finished product, reduce the risk knocked against hard, break into pieces, then the mode by dripping liquid nitrogen carries out nitriding treatment, form the nitrided film that one deck is stable, finally the organic silicon coating with rare earth is coated in work piece inner surface, rare earth ion can with the OH produced in metallic substrate surface generation oxygen uptake corrosion process
-produce insoluble complex; the electrode reaction of slowing down corrosion, play good antirust slow release effect, the film formed with organosilicon is attached to workpiece surface uniformly; can be good at the erosion resisting air, water, water vapour, daily necessaries etc., play long-acting protected effect.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment 1:
A working method for ferroaluminium steel pot, comprises the following steps:
(1) for the preparation of raw material of the iron pan of cooking: aluminium 10%, iron 81%, carbon 5%, silicon 2%, remaining be manganese, wherein form iron level be traditional iron powder and carbonyl iron dust, the weight ratio of traditional iron powder and carbonyl iron dust is 40:1;
(2) impact briquetting: the steel plate materials prepared by described raw material is cold stamping shaped by oil press;
(3) nitriding treatment: the workpiece after above-mentioned impact briquetting is sent into vacuum high-temperature case, is heated to 560 DEG C, keep constant temperature, lasting adds solid nitrogen, and the speed added is 70s/g, continues to add 3.6 hours, discharging, workpiece is naturally cooled to normal temperature;
(4) pre-treatment is applied: dust and the oxide skin of falling workpiece surface after nitrogenize with emery cloth sand;
(5) rare earth film: get cerous nitrate, lanthanum nitrate that mass ratio is 4:3, mix and blend, join in 300 times of deionized waters, magnetic agitation 10 minutes, add Virahol, tetraethoxy, stir, pour in above-mentioned workpiece, be heated to 80 DEG C, under agitation condition, drip the ammoniacal liquor of 28%, PH is regulated to be 12, maintain the temperature at 90 DEG C, apply said mixture material with resistant to elevated temperatures hairbrush uniformly on inside workpiece top layer, 1 hour time length, the leftover materials not being sticky in inside workpiece surface are poured out, solidification;
(6) finished product packing: workpiece is loaded onto handle or other basi components, packaging warehouse-in.
A working method for ferroaluminium steel pot, the weight ratio of the cerous nitrate described in the coating of step (5) middle-weight rare earths, Virahol, tetraethoxy is 1:70:40.
A working method for ferroaluminium steel pot, the solidification value described in the coating of step (5) middle-weight rare earths is 200 DEG C, and set time is 30 minutes.
Embodiment 2
A working method for ferroaluminium steel pot, comprises the following steps:
(1) for the preparation of raw material of the aluminum pot of electric cooker: aluminium 70%, iron 21%, carbon 5%, silicon 2%, remaining be manganese, wherein form iron level be traditional iron powder and carbonyl iron dust, the weight ratio of traditional iron powder and carbonyl iron dust is 40:1;
(2) impact briquetting: the steel plate materials prepared by described raw material is cold stamping shaped by oil press;
(3) nitriding treatment: the workpiece after above-mentioned impact briquetting is sent into vacuum high-temperature case, is heated to 560 DEG C, keep constant temperature, lasting adds solid nitrogen, and the speed added is 70s/g, continues to add 3.6 hours, discharging, workpiece is naturally cooled to normal temperature;
(4) pre-treatment is applied: dust and the oxide skin of falling workpiece surface after nitrogenize with emery cloth sand;
(5) rare earth film: get cerous nitrate, lanthanum nitrate that mass ratio is 4:3, mix and blend, join in 300 times of deionized waters, magnetic agitation 15 minutes, add Virahol, tetraethoxy, stir, pour in above-mentioned workpiece, be heated to 88 DEG C, under agitation condition, drip the ammoniacal liquor of 25-28%, PH is regulated to be 12, maintain the temperature at 88 DEG C, apply said mixture material with resistant to elevated temperatures hairbrush uniformly on inside workpiece top layer, 1 hour time length, the leftover materials not being sticky in inside workpiece surface are poured out, solidification;
(6) finished product packing: workpiece is loaded onto handle or other basi components, packaging warehouse-in.
A working method for ferroaluminium steel pot, the weight ratio of the cerous nitrate described in the coating of step (5) middle-weight rare earths, Virahol, tetraethoxy is 1:70:40.
A working method for ferroaluminium steel pot, the solidification value described in the coating of step (5) middle-weight rare earths is 250 DEG C, and set time is 20 minutes.
Claims (3)
1. a working method for ferroaluminium steel pot, is characterized in that, comprises the following steps:
(1) preparation of raw material: aluminium 10-90%, iron 10-90%, carbon 3-5%, silicon 1-2%, remaining be manganese, wherein form iron level be traditional iron powder and carbonyl iron dust, the weight ratio of traditional iron powder and carbonyl iron dust is 30-40:1;
(2) impact briquetting: the steel plate materials prepared by described raw material is cold stamping shaped by oil press;
(3) nitriding treatment: the workpiece after above-mentioned impact briquetting is sent into vacuum high-temperature case, is heated to 550-560 DEG C, keeps constant temperature, what continue adds solid nitrogen, and the speed added is 60-70s/g, continues to add 3.6-4 hour, discharging, naturally cools to normal temperature by workpiece;
(4) pre-treatment is applied: dust and the oxide skin of falling workpiece surface after nitrogenize with emery cloth sand;
(5) rare earth film: get the cerous nitrate that mass ratio is 3-4:3-4, lanthanum nitrate, mix and blend, join in 200-300 times of deionized water, magnetic agitation 10-15 minute, add Virahol, tetraethoxy, stir, pour in above-mentioned workpiece, be heated to 80-90 DEG C, the ammoniacal liquor of 25-28% is dripped under agitation condition, adjustment PH is 10-12, maintain the temperature at 80-90 DEG C, said mixture material is applied uniformly on inside workpiece top layer with resistant to elevated temperatures hairbrush, time length 1-2 hour, the leftover materials not being sticky in inside workpiece surface are poured out, solidification,
(6) finished product packing: workpiece is loaded onto handle or other basi components, packaging warehouse-in.
2. the working method of a kind of ferroaluminium steel pot according to claim 1, is characterized in that, the weight ratio of the cerous nitrate described in the coating of step (5) middle-weight rare earths, Virahol, tetraethoxy is 1-2:60-70:30-40.
3. the working method of a kind of ferroaluminium steel pot according to claim 1, is characterized in that, the solidification value described in the coating of step (5) middle-weight rare earths is 200-250 DEG C, and set time is 20-30 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510885833.5A CN105369078A (en) | 2015-12-06 | 2015-12-06 | Machining method for ferro-aluminium alloy steel pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510885833.5A CN105369078A (en) | 2015-12-06 | 2015-12-06 | Machining method for ferro-aluminium alloy steel pot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105369078A true CN105369078A (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510885833.5A Pending CN105369078A (en) | 2015-12-06 | 2015-12-06 | Machining method for ferro-aluminium alloy steel pot |
Country Status (1)
| Country | Link |
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| CN (1) | CN105369078A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106580060A (en) * | 2017-01-06 | 2017-04-26 | 王勇添 | Pig-iron electric rice cooker liner and preparation method therefor |
| CN113186449A (en) * | 2021-03-04 | 2021-07-30 | 葛亚国 | Preparation method of durable stainless steel pot |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1669724A (en) * | 2005-03-31 | 2005-09-21 | 浙江苏泊尔炊具股份有限公司 | Production process of wear resistant and rustproof iron pot |
| CN101744525A (en) * | 2008-12-10 | 2010-06-23 | 王新田 | Process for manufacturing anti-rust coating-free iron pot |
| CN104818472A (en) * | 2015-04-10 | 2015-08-05 | 蚌埠市时代电子有限公司 | Ferrous metal surface treatment agent |
-
2015
- 2015-12-06 CN CN201510885833.5A patent/CN105369078A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1669724A (en) * | 2005-03-31 | 2005-09-21 | 浙江苏泊尔炊具股份有限公司 | Production process of wear resistant and rustproof iron pot |
| CN101744525A (en) * | 2008-12-10 | 2010-06-23 | 王新田 | Process for manufacturing anti-rust coating-free iron pot |
| CN104818472A (en) * | 2015-04-10 | 2015-08-05 | 蚌埠市时代电子有限公司 | Ferrous metal surface treatment agent |
Non-Patent Citations (1)
| Title |
|---|
| 宋月清: "《人造金刚石工具手册》", 31 January 2014, 冶金工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106580060A (en) * | 2017-01-06 | 2017-04-26 | 王勇添 | Pig-iron electric rice cooker liner and preparation method therefor |
| CN113186449A (en) * | 2021-03-04 | 2021-07-30 | 葛亚国 | Preparation method of durable stainless steel pot |
| CN113186449B (en) * | 2021-03-04 | 2023-12-29 | 宁波喜尔美厨房用品有限公司 | Preparation method of durable stainless steel pot |
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Application publication date: 20160302 |