CN105220149A - A kind of new A l-Ti-Mo-Mg-Ag alloy corrosion solution - Google Patents
A kind of new A l-Ti-Mo-Mg-Ag alloy corrosion solution Download PDFInfo
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- CN105220149A CN105220149A CN201410291003.5A CN201410291003A CN105220149A CN 105220149 A CN105220149 A CN 105220149A CN 201410291003 A CN201410291003 A CN 201410291003A CN 105220149 A CN105220149 A CN 105220149A
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- phosphoric acid
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Abstract
The invention discloses a kind of new A l-Ti-Mo-Mg-Ag alloy corrosion solution, a certain amount of potassium hydroxide, hydrochloric acid and phosphoric acid is added in distilled water, with the component of volume fraction be wherein: hydrofluoric acid is 16%, hydrochloric acid is 3.5%, phosphoric acid is 3.5%, surplus is distilled water, and addition sequence is for first to add phosphoric acid, add hydrochloric acid again, finally add hydrofluoric acid, adopt the etchant solution that the present invention is made, the etching pit of 2101 duplex stainless steels can be made to become simple and fast the same as aluminium alloy, and save cost, be specially adapted to the corrosion of 2101 duplex stainless steels.
Description
Technical field
The present invention relates to a kind of new A l-Ti-Mo-Mg-Ag alloy corrosion solution, belong to etchant solution technical field.
Background technology
The metallographic structure of Al-Ti-Mo-Mg-Ag alloy is difficult to corrosion, even if out it organizes also often show incomplete in corrosion, thus usually all adopts anode overlay film to add polarisation to observe its metallographic.But this observational technique is not only consuming time, and improves cost of manufacture.Therefore how making the etching pit of Al-Ti-Mo-Mg-Ag alloy become simple and fast the same as aluminium alloy is the difficult problem waiting to solve.
Summary of the invention
The technical problem to be solved in the present invention: a kind of new A l-Ti-Mo-Mg-Ag alloy corrosion solution is provided, Al-Ti-Mo-Mg-Ag alloy directly can be observed metallographic structure and not need anode aluminum coated steel and polarisation to observe, to overcome the deficiencies in the prior art after its corrosion.
Technical scheme of the present invention:
A kind of new A l-Ti-Mo-Mg-Ag alloy corrosion solution, a certain amount of potassium hydroxide, hydrochloric acid and phosphoric acid is added in distilled water, with the component of volume fraction be wherein: hydrofluoric acid is 16%, hydrochloric acid is 3.5%, phosphoric acid is 3.5%, surplus is distilled water, and addition sequence is for first to add phosphoric acid, then add hydrochloric acid, finally add hydrofluoric acid.
As preferably, described etchant solution adopts conventional solution preparation method to prepare.
Beneficial effect of the present invention:
Compared with prior art, Al-Ti-Mo-Mg-Ag alloy corrosion solution of the present invention has following feature:
1. it is clear that the crystal boundary after corrosion and crystal grain show, as long as suitable operation, there is not the incomplete situation of tissue corrosion;
2. can being directly used in metallographic structure after corrosion to observe, without the need to adopting anode overlay film and Pianguan County to observe, shortening the metallographic sample preparation time greatly;
3. this etchant solution is namely corrodible at normal temperatures, corrodes without the need to being heated to certain temperature again;
In sum, etchant solution of the present invention can make the etching pit of Al-Ti-Mo-Mg-Ag alloy become simple and quick, and saves cost.
accompanying drawing illustrates:
Fig. 1 is the SEM figure of 500 times of corrosive effects.
embodiment:
Embodiment:
A kind of new A l-Ti-Mo-Mg-Ag alloy corrosion solution, take mixing acid as raw material, adopt conventional solution preparation method to prepare, in 77mL distilled water, successively add the hydrofluoric acid that volume is the phosphoric acid of 3.5mL, the hydrochloric acid of 3.5mL and 16mL, then stir with glass stick.Be used for by the etchant solution made through above-mentioned steps corroding Al-Ti-Mo-Mg-Ag alloy, concrete effect is shown in Fig. 1.
Claims (2)
1. a new A l-Ti-Mo-Mg-Ag alloy corrosion solution, it is characterized in that: in distilled water, add a certain amount of potassium hydroxide, hydrochloric acid and phosphoric acid, with the component of volume fraction be wherein: hydrofluoric acid is 16%, hydrochloric acid is 3.5%, phosphoric acid is 3.5%, surplus is distilled water, and addition sequence is for first to add phosphoric acid, then add hydrochloric acid, finally add hydrofluoric acid.
2. a kind of new A l-Ti-Mo-Mg-Ag alloy corrosion solution according to claim 1, is characterized in that: described etchant solution adopts conventional solution preparation method to prepare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410291003.5A CN105220149A (en) | 2014-06-26 | 2014-06-26 | A kind of new A l-Ti-Mo-Mg-Ag alloy corrosion solution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410291003.5A CN105220149A (en) | 2014-06-26 | 2014-06-26 | A kind of new A l-Ti-Mo-Mg-Ag alloy corrosion solution |
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| CN105220149A true CN105220149A (en) | 2016-01-06 |
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| CN201410291003.5A Pending CN105220149A (en) | 2014-06-26 | 2014-06-26 | A kind of new A l-Ti-Mo-Mg-Ag alloy corrosion solution |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898084A (en) * | 2019-03-22 | 2019-06-18 | 大连理工大学 | A kind of five be the caustic solution of rust-preventing aluminum alloy |
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2014
- 2014-06-26 CN CN201410291003.5A patent/CN105220149A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898084A (en) * | 2019-03-22 | 2019-06-18 | 大连理工大学 | A kind of five be the caustic solution of rust-preventing aluminum alloy |
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Application publication date: 20160106 |