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Titanium anodized Process

                     Titanium anodized Process

The content and methods of our craft research work are as follows:

(1) titanium anodization process  three parts  (pre-treatment, anodizing treatment , post-treatment )

① pretreatment of the material sample (film) will directly affect the quality of the back of the anodizing process, the need to study is the content of oil, pickling, determined by the test: Degreasing and acid precipitation of liquid composition and process conditions , And the specific operation.

②Anodic oxidation is the key technology of this research project. The ways and methods of process experiment are as follows: the formula of different types of anodizing electrolyte, anodization parameters (voltage, current, temperature, side, pH) Preparation of a variety of anodic oxidation process under the conditions of the sample.

By examining the color, appearance, contrast test and performance test of these oxide film samples, the effects of anodization process parameters on the film formation were comprehensively investigated, the optimum anodizing process electrolyte formulation for the selected titanium alloy materials was screened and determined, Process conditions and specific operations.

③ The purpose of post-processing is to protect the anodized film to prevent the film from being polluted to improve the abrasion resistance and discoloration resistance of the film. It is proposed to adopt hot water sealing method.

2) Basic performance test of oxide film The surface microstructure and surface morphology of the anodized oxide film were observed with a metallurgical microscope, and the surface chemical state and surface elemental analysis were carried out by using electron spectrometer. By contrast, analysis, assessment of oxide film quality

3) Contact corrosion test The contact corrosion test is not only the purpose of the anodized Ding Yi research - to prevent and reduce the titanium alloy contact with other metals to produce galvanic corrosion effect of the verification; but also the anodizing process recipe, process conditions and experimental study The assessment. Contact with the anodized titanium alloy sample (sheet) and aluminum alloy, stainless steel, phosphating or galvanized steel materials, the formation of a contact medium in a certain corrosive medium (salt spray test), observed, measured before and after their contact corrosion appearance Change, corrosion weight gain and tensile strength changes. Conduct comparative analysis, comprehensive evaluation to determine the best formula and process parameters.

1) 1) titanium Anodic oxidation is titanium and its alloys commonly used in a surface protection treatment. Anodic oxidation of titanium means electrochemically generating oxygen on the anode and reacting with the surface of the anode titanium to form an oxide film.

Anodized titanium alloy process
Hanging - Chemical Degreasing - Washing - Anodizing - Washing - Disassembly Parts - Inspection _

Titanium alloy parts to be mounted on the fixture made of titanium alloy, chemical degreasing can refer to the general chemical degreasing solution, the anodizing voltage should pay attention to high electric shock safety, for larger parts should be extended cold water cleaning time to To achieve the purpose of cooling. Long-term use of the oxidation solution, due to certain titanium alloy solution, resulting in the accumulation of titanium ions, titanium content should be controlled not more than 59, L. Oxide film requires complete coverage, no scratches, damage and burns, check the thickness of the film should meet the required.

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