CN103046054A - Titanium metal surface treatment technology - Google Patents
Titanium metal surface treatment technology Download PDFInfo
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- CN103046054A CN103046054A CN2012105361153A CN201210536115A CN103046054A CN 103046054 A CN103046054 A CN 103046054A CN 2012105361153 A CN2012105361153 A CN 2012105361153A CN 201210536115 A CN201210536115 A CN 201210536115A CN 103046054 A CN103046054 A CN 103046054A
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- titanium metal
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- mother liquor
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Abstract
The invention discloses a titanium metal surface treatment technology, comprising the following steps of: (1) mixing a polishing mother liquor and a corrosion liquid according to a certain capacity ratio to from a synthesis liquid, (2) placing a titanium metal part to be processed into the synthesis liquid obtained in the step (1); (3) taking out the titanium metal part from the synthesis liquid after reaction for 1-2min, and drying the part; and (4) finally-inspecting. The technology of the invention solves the problems of process period, high rejection rate and high cost in the prior art. By a chemical formula, the technology can controllable and uniformly corrode the titanium metal surface while polishing the surface of the part, solves the problem that residual machining trace exists on the surface of the titanium metal part after grinding, and shortens the processing period of a workpiece. The technology reduces the rejection rate, greatly saves manpower cost, and greatly improves the production health status of workers.
Description
Technical field
The present invention relates to a kind of field of titanium metal surface treatment technique, belonged to the accelerator manufacture technology field.
Background technology
Because 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, have been replaced other metals with titanium.
In the manufacturing processed of acceleration tube, dimensional precision and the surface smoothness of titanium parts all proposed very high requirement, be close to harshness.In the past, when meeting technical requirements, the forward dimension overproof of part and surfaceness to not lean on mechanical process+chemical method (metal cutting+manual machinery polishing+chemical rightenning) to process.Just so that the process-cycle of workpiece is long, scrap rate is high for this, and human cost and materials consumption are high, and personnel's production sanitary condition is relatively poor.
Summary of the invention
Technical problem to be solved by this invention provides a kind of field of titanium metal surface treatment technique, can carry out to surface of metal titanium the uniform corrosion of controlled amounts, finish simultaneously again the process of piece surface polishing, so that acceleration tube part fabrication processing is simplified, the process for machining and manufacturing cycle shortens, and producers' security 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 field of titanium metal surface treatment technique comprises the steps:
Step (1): allotment chemical solvents: will polish mother liquor and mix the synthetic liquid of composition with corrosive fluid according to certain volume ratio; Wherein polish mother liquor and mixed by hydrofluoric acid, nitric acid, sulfuric acid, corrosive fluid is mixed by hydrochloric acid and PH emulsifying agent;
Step (2): titanium metal part to be processed is inserted in the described synthetic liquid of step (1);
Step (3): take out after 1-2 minute until the reaction in synthetic liquid of titanium metal part, and it is carried out drying treatment;
Step (4): eventually inspection: check the size of dried titanium metal part and surfaceness whether to meet the requirements, and provide corresponding conformity certification.
Aforesaid field of titanium metal surface treatment technique is characterized in that: the capacity of hydrofluoric acid is 5%-30% in the polishing mother liquor in the described step (1), and the capacity of nitric acid is 50%-70%, and the capacity of sulfuric acid is 10%-25%.
Aforesaid field of titanium metal surface treatment technique is characterized in that: the capacity of hydrochloric acid is 80%-95% in the corrosive fluid in the described step (1), and the capacity of PH emulsifying agent is 5%-20%.
Aforesaid field of titanium metal surface treatment technique is characterized in that: the polishing mother liquor in the described step (1) and and corrosive fluid according to volume ratio be
The ratio of 3～5:1 is mixed.
The invention has the beneficial effects as follows:
(1) by a kind of chemical formulation, make it surface of metal titanium is carried out the uniform corrosion of controlled amounts, finish simultaneously again the process of piece surface polishing, when having solved mechanical workout piece surface after the titanium metal ground finish is existed the problem of residual mechanical vestige;
(2) give up the process of mechanical process, shortened the process-cycle of workpiece;
(3) reduced scrap rate, greatly saved human cost, and staff's production sanitary condition has obtained larger improvement.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
A kind of field of titanium metal surface treatment technique provided by the invention comprises the steps:
Step (1): allotment chemical solvents: will polish mother liquor and mix the synthetic liquid of composition with corrosive fluid according to certain volume ratio; Wherein polish mother liquor and mixed by hydrofluoric acid, nitric acid, sulfuric acid, 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 titanium metal be corroded by this synthetic liquid, and by regulating the volume ratio between the various chemical substances, can realize the adjustable of etching extent;
Step (2): titanium metal part to be processed is inserted in the described synthetic liquid of step (1), corrode;
Step (3): taking out after 1-2 minute until the reaction in synthetic liquid of titanium metal part, and it is carried out drying treatment, is that titanium metal size and the surface smoothness after the corrosion can both be got to both provisioning requests;
Step (4): eventually inspection: check the size of dried titanium metal part and surfaceness whether to meet the requirements, and provide corresponding conformity certification.
Wherein, the capacity of hydrofluoric acid is 5%-30% in the polishing mother liquor in the step (1), the capacity of nitric acid is 50%-70%, the capacity of sulfuric acid is 10%-25%, the capacity of hydrochloric acid is 80%-95% in the corrosive fluid, the capacity of PH emulsifying agent is 5%-20%, and the polishing mother liquor and and corrosive fluid be that the ratio of 3～5:1 is mixed according to volume ratio, according to different sizes, the requirement of surface smoothness, proportioning by the above-mentioned five kinds of chemical substances of conversion, can realize titanium metal extent of corrosion and surfaceness are carried out two-way control, be that etching extent is adjustable, surfaceness is controlled, and the variable range of etching extent is the 0.001-0.01 mm/min usually, and surfaceness can reach 0.1 micron.
In sum, a kind of field of titanium metal surface treatment technique provided by the invention, can carry out to surface of metal titanium the uniform corrosion of controlled amounts, finish simultaneously again the process of piece surface polishing, so that acceleration tube part fabrication processing is simplified, the process for machining and manufacturing cycle shortens, and producers' security is promoted.
More than show and described 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; that describes in above-described embodiment and the 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.The claimed scope of the present invention is by appending claims and equivalent circle thereof.
Claims (4)
1. a field of titanium metal surface treatment technique is characterized in that: comprise the steps:
Step (1): allotment chemical solvents: will polish mother liquor and mix the synthetic liquid of composition with corrosive fluid according to certain volume ratio; Wherein polish mother liquor and mixed by hydrofluoric acid, nitric acid, sulfuric acid, corrosive fluid is mixed by hydrochloric acid and PH emulsifying agent;
Step (2): titanium metal part to be processed is inserted in the described synthetic liquid of step (1);
Step (3): take out after 1-2 minute until the reaction in synthetic liquid of titanium metal part, and it is carried out drying treatment;
Step (4): eventually inspection: check the size of dried titanium metal part and surfaceness whether to meet the requirements, and provide corresponding conformity certification.
2. field of titanium metal surface treatment technique according to claim 1, it is characterized in that: the capacity of hydrofluoric acid is 5%-30% in the polishing mother liquor in the described step (1), and the capacity of nitric acid is 50%-70%, and the capacity of sulfuric acid is 10%-25%.
3. field of titanium metal surface treatment technique according to claim 1 and 2, it is characterized in that: the capacity of hydrochloric acid is 80%-95% in the corrosive fluid in the described step (1), the capacity of PH emulsifying agent is 5%-20%.
4. field of titanium metal surface treatment technique according to claim 3 is characterized in that: the polishing mother liquor in the described step (1) and and corrosive fluid be that the ratio of 3～5:1 is mixed according to volume ratio.
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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
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| CN103046054A true CN103046054A (en) | 2013-04-17 |
| CN103046054B CN103046054B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463440A (en) * | 2015-11-29 | 2016-04-06 | 郑臣钏 | 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 (4)
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|---|---|---|---|---|
| US4900398A (en) * | 1989-06-19 | 1990-02-13 | General Motors Corporation | Chemical milling of titanium |
| US20040045936A1 (en) * | 2001-03-07 | 2004-03-11 | Davis Brian Michael | Chemical milling of gas turbine engine blisks |
| 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 |
| US20120288828A1 (en) * | 2003-05-16 | 2012-11-15 | Biomet 3I, Llc | Surface treatment process for implants made of titanium alloy |
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2012
- 2012-12-13 CN CN201210536115.3A patent/CN103046054B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900398A (en) * | 1989-06-19 | 1990-02-13 | General Motors Corporation | Chemical milling of titanium |
| US20040045936A1 (en) * | 2001-03-07 | 2004-03-11 | Davis Brian Michael | Chemical milling of gas turbine engine blisks |
| US20120288828A1 (en) * | 2003-05-16 | 2012-11-15 | Biomet 3I, Llc | Surface treatment process for implants made of titanium alloy |
| 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 |
|---|
| 郑锋 等: "钛及钛合金的酸洗技术", 《稀有金属与硬质合金》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463440A (en) * | 2015-11-29 | 2016-04-06 | 郑臣钏 | Metal surface treatment process |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN103046054B (en) | 2015-09-16 |
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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. |