CN103046054B - A kind of Titanium metal surface treatment technology - Google Patents
A kind of Titanium metal surface treatment technology Download PDFInfo
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- CN103046054B CN103046054B CN201210536115.3A CN201210536115A CN103046054B CN 103046054 B CN103046054 B CN 103046054B CN 201210536115 A CN201210536115 A CN 201210536115A CN 103046054 B CN103046054 B CN 103046054B
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Abstract
The invention discloses a kind of Titanium metal surface treatment technology, comprise the steps: step (1): polishing mother liquor and corrosive fluid are carried out mixing composition synthesis liquid according to certain volume ratio; Step (2): titanium metal part to be processed is inserted in the synthesis liquid described in step (1); Step (3): take out after titanium metal part reacts 1-2 minute in synthesis liquid, and drying treatment is carried out to it; Step (4): inspection eventually.The invention solves the process-cycle of workpiece in prior art long, scrap rate is high, the problem that cost is high, by a kind of chemical formulation, make it uniform corrosion surface of metal titanium being carried out to controlled amounts, complete again the process of piece surface polishing simultaneously, when solving mechanical workout, the problem of residual mechanical vestige is existed to piece surface after titanium metal ground finish, shorten the process-cycle of workpiece; Reduce scrap rate, greatly save human cost, and the production sanitary condition of staff obtains larger improvement.
Description
Technical field
the present invention relates to a kind of Titanium metal surface treatment technology, belong to accelerator manufacture technology field.
Background technology
Due to its superior physical property of titanium metal and good chemical stability, in recent years, on the most important parts-acceleration tube of high-pressure type rumbatron, substituted for other metals with titanium.
In the manufacturing processed of acceleration tube, very high requirement is all proposed to the dimensional precision of titanium parts and surface smoothness, is close to harshness.In the past, mechanical process+chemical method (metal cutting+manual machinery polishing+chemical rightenning) to be leaned on to process when the forward dimension overproof of part and surfaceness do not meet technical requirements.This just makes the process-cycle of workpiece long, and scrap rate is high, and human cost and materials consumption remain high, and the production sanitary condition of personnel is poor.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Titanium metal surface treatment technology, the uniform corrosion of controlled amounts can be carried out to surface of metal titanium, complete again the process of piece surface polishing simultaneously, acceleration tube part fabrication processing is simplified, process for machining and manufacturing cycle time, the security of producers is promoted.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of Titanium metal surface treatment technology, comprises the steps:
Step (1): allotment chemical solvents: carry out mixing composition synthesis liquid according to certain volume ratio by polishing mother liquor with corrosive fluid; Wherein polishing mother liquor is mixed by hydrofluoric acid, nitric acid, sulfuric acid, and corrosive fluid is mixed by hydrochloric acid and PH emulsifying agent;
Step (2): titanium metal part to be processed is inserted in the synthesis liquid described in step (1);
Step (3): take out after titanium metal part reacts 1-2 minute in synthesis liquid, and drying treatment is carried out to it;
Step (4): inspection eventually: check the size of dried titanium metal part and surfaceness whether to meet the requirements, and provide corresponding conformity certification.
Aforesaid Titanium metal surface treatment technology, is characterized in that: in the polishing mother liquor in described step (1), the capacity of hydrofluoric acid is 5%-30%, and the capacity of nitric acid is 50%-70%, and the capacity of sulfuric acid is 10%-25%.
Aforesaid Titanium metal surface treatment technology, is characterized in that: in the corrosive fluid in described step (1), the capacity of hydrochloric acid is the capacity of 80%-95%, PH emulsifying agent is 5%-20%.
Aforesaid Titanium metal surface treatment technology, is characterized in that: the polishing mother liquor in described step (1) and and corrosive fluid according to volume ratio be
The ratio of 3 ~ 5:1 mixes.
The invention has the beneficial effects as follows:
(1) by a kind of chemical formulation, make it uniform corrosion surface of metal titanium being carried out to controlled amounts, complete again the process of piece surface polishing simultaneously, when solving mechanical workout, the problem of residual mechanical vestige is existed to piece surface after titanium metal ground finish;
(2) give up the process of mechanical process, shorten the process-cycle of workpiece;
(3) reduce scrap rate, greatly save human cost, and the production sanitary condition of staff obtains larger improvement.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
A kind of Titanium metal surface treatment technology provided by the invention, comprises the steps:
Step (1): allotment chemical solvents: carry out mixing composition synthesis liquid according to certain volume ratio by polishing mother liquor with corrosive fluid; Wherein polishing mother liquor is mixed by hydrofluoric acid, nitric acid, sulfuric acid, and corrosive fluid is mixed by hydrochloric acid and PH emulsifying agent; Because titanium metal is a kind of corrosion-resistant material, common chemical substance can not be corroded it, and can not only be corroded titanium metal by this synthesis liquid, and by regulating the volume ratio between various chemical substance, can realize the adjustable of etching extent;
Step (2): titanium metal part to be processed is inserted in the synthesis liquid described in step (1), corrodes;
Step (3): take out after titanium metal part reacts 1-2 minute in synthesis liquid, and carry out drying treatment to it is that titanium metal size after corrosion and surface smoothness can get to given requirements;
Step (4): inspection eventually: check the size of dried titanium metal part and surfaceness whether to meet the requirements, and provide corresponding conformity certification.
Wherein, in polishing mother liquor in step (1), the capacity of hydrofluoric acid is 5%-30%, the capacity of nitric acid is 50%-70%, the capacity of sulfuric acid is 10%-25%, in corrosive fluid, the capacity of hydrochloric acid is 80%-95%, , the capacity of PH emulsifying agent is 5%-20%, and polishing mother liquor and and corrosive fluid mix according to the ratio that volume ratio is 3 ~ 5:1, according to different sizes, the requirement of surface smoothness, by converting the proportioning of above-mentioned five kinds of chemical substances, can realize carrying out double-direction control to titanium metal extent of corrosion and surfaceness, namely etching extent is adjustable, surfaceness is controlled, the variable range of usual etching extent is 0.001-0.01 mm/min, surfaceness can reach 0.1 micron.
In sum, a kind of Titanium metal surface treatment technology provided by the invention, the uniform corrosion of controlled amounts can be carried out to surface of metal titanium, complete again the process of piece surface polishing simultaneously, acceleration tube part fabrication processing is simplified, process for machining and manufacturing cycle time, the security of producers is promoted.
More than show and describe ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is by appending claims and equivalent circle thereof.
Claims (1)
1. a Titanium metal surface treatment technology, comprises the steps:
Step (1): allotment chemical solvents: carry out mixing composition synthesis liquid according to certain volume ratio by polishing mother liquor with corrosive fluid; Wherein polishing mother liquor is mixed by hydrofluoric acid, nitric acid, sulfuric acid, and corrosive fluid is mixed by hydrochloric acid and PH emulsifying agent;
Step (2): titanium metal part to be processed is inserted in the synthesis liquid described in step (1);
Step (3): take out after titanium metal part reacts 1-2 minute in synthesis liquid, and drying treatment is carried out to it;
Step (4): inspection eventually: check the size of dried titanium metal part and surfaceness whether to meet the requirements, and provide corresponding conformity certification, it is characterized in that: in the polishing mother liquor in described step (1), the capacity of hydrofluoric acid is 5%-30%, the capacity of nitric acid is 50%-70%, the capacity of sulfuric acid is 10%-25%, in corrosive fluid in described step (1), the capacity of hydrochloric acid is 50%-80%, the capacity of PH emulsifying agent is 30%-50%, and the polishing mother liquor in described step (1) and corrosive fluid mix according to the ratio that volume ratio is 3:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210536115.3A CN103046054B (en) | 2012-12-13 | 2012-12-13 | A kind of Titanium metal surface treatment technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210536115.3A CN103046054B (en) | 2012-12-13 | 2012-12-13 | A kind of Titanium metal surface treatment technology |
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| CN103046054A CN103046054A (en) | 2013-04-17 |
| CN103046054B true CN103046054B (en) | 2015-09-16 |
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| CN201210536115.3A Active CN103046054B (en) | 2012-12-13 | 2012-12-13 | A kind of Titanium metal surface treatment technology |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463440B (en) * | 2015-11-29 | 2019-10-01 | 黄岩凌阳锻压件厂 | A kind of metal surface treatment process |
| CN109848761A (en) * | 2019-01-18 | 2019-06-07 | 株洲金佰利硬质合金有限公司 | A kind of carbide surface treatment process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900398A (en) * | 1989-06-19 | 1990-02-13 | General Motors Corporation | Chemical milling of titanium |
| CN102331363A (en) * | 2011-08-12 | 2012-01-25 | 西部金属材料股份有限公司 | Method for observing metallographic structure of niobium-titanium alloy |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020125215A1 (en) * | 2001-03-07 | 2002-09-12 | Davis Brian Michael | Chemical milling of gas turbine engine blisks |
| US8251700B2 (en) * | 2003-05-16 | 2012-08-28 | Biomet 3I, Llc | Surface treatment process for implants made of titanium alloy |
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- 2012-12-13 CN CN201210536115.3A patent/CN103046054B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900398A (en) * | 1989-06-19 | 1990-02-13 | General Motors Corporation | Chemical milling of titanium |
| CN102331363A (en) * | 2011-08-12 | 2012-01-25 | 西部金属材料股份有限公司 | Method for observing metallographic structure of niobium-titanium alloy |
Non-Patent Citations (1)
| Title |
|---|
| 钛及钛合金的酸洗技术;郑锋 等;《稀有金属与硬质合金》;20090930;第37卷(第3期);第26-28页 * |
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Address after: 215214 Jiangsu city of Suzhou province Wujiang FenHu Beishe Community Road No. 1288. Patentee after: CGN DASHENG ELECTRON ACCELERATOR TECHNOLOGY CO., LTD. Address before: 215214 Jiangsu city of Suzhou province Wujiang FenHu Beishe Community Road No. 1288. Patentee before: Jiangsu Dasheng Accelerator Manufacturing Co., Ltd. |