Novel Al-Ti-Mo-Mg-Ag alloy etchant solution
A technology for corrosion solution and alloy, which is applied in the field of new Al-Ti-Mo-Mg-Ag alloy corrosion solution, can solve the problems of increasing production cost and time consumption, and achieve cost saving, shortening time for metallographic sample preparation, metallographic Erosion simple and fast effect
Inactive Publication Date: 2016-01-06
周雪
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But this observation method is not only time-consuming, but also increases the production cost
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[0017] A new type of Al-Ti-Mo-Mg-Ag alloy corrosion solution, using mixed acid as raw material, prepared by conventional solution preparation method, adding 3.5mL of phosphoric acid, 3.5mL of hydrochloric acid and 16mL of distilled water in 77mL of hydrofluoric acid, and then stirred evenly with a glass rod. The corrosion solution prepared by the above steps is used to corrode the Al-Ti-Mo-Mg-Ag alloy, the specific effect is shown in figure 1 .
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The invention discloses a novel Al-Ti-Mo-Mg-Ag alloy etchant solution. A certain amount of potassium hydroxide, hydrochloric acid and phosphoric acid are added into distilled water, and the components comprise, by volume fraction, 16% of hydrofluoric acid, 3.5% of the hydrochloric acid, 3.5% of the phosphoric acid, and the balance the distilled water; the phosphoric acid, the hydrochloric acid and the hydrofluoric acid are added in sequence. By means of the etchant solution, metallographic etching of 2101 duplex stainless steel can be as simple and rapid as that of aluminum alloy, the cost is reduced, and the novel Al-Ti-Mo-Mg-Ag alloy etchant solution is especially suitable for etching of the 2101 duplex stainless steel.
Description
technical field [0001] The invention relates to a novel Al-Ti-Mo-Mg-Ag alloy corrosion solution, belonging to the technical field of corrosion solutions. Background technique [0002] The metallographic structure of Al-Ti-Mo-Mg-Ag alloy is difficult to corrode, and even if it is corroded, its structure is often displayed incompletely, so the metallographic phase is usually observed by anodic coating and polarized light. But this observation method is not only time-consuming, but also increases the production cost. Therefore, how to make the metallographic corrosion of Al-Ti-Mo-Mg-Ag alloy as simple and fast as that of aluminum alloy is a difficult problem to be solved. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a novel Al-Ti-Mo-Mg-Ag alloy corrosion solution, which can directly observe the metallographic structure of the Al-Ti-Mo-Mg-Ag alloy without anode coating Film processing and polarized light observa...
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IPC IPC(8): C23F1/20
Inventor 周雪
Owner 周雪