Rare earth magnesium alloy micro arc oxidation green ceramic film preparation method
A technology of micro-arc oxidation and rare earth magnesium, which is applied in anodic oxidation and other directions, can solve the problem of relatively little research on the color of magnesium alloy micro-arc oxidation film, and achieve the effect of ensuring machinability, wide application and good corrosion resistance
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[0038] Example 1
[0039] I. The reagents used are:
[0040] Main film-forming agent: sodium silicate (Na 2 SiO 3 ·9H 2 O)
[0041] Film forming auxiliary: sodium fluoride (NaF)
[0042] pH adjuster: potassium hydroxide (KOH)
[0043] Coloring agent: potassium dichromate (K 2 Cr 2 O 7 )
[0044] All chemical reagents used are analytical grade, and distilled water is used when preparing the treatment liquid;
[0045] II. The equipment used is:
[0046] HD·MAO 100H-III micro-arc oxidation power supply, electrolyzer, stirring system and cooling system;
[0047] The rare earth magnesium alloy material is: SJDM-1 rare earth magnesium alloy, and its main components (W%) are shown in Table 1.
[0048] Table 1 Chemical composition of SJDM-1 rare earth magnesium alloy (W%)
[0049] alloy element%
[0050] III. Preparation of micro-arc oxidation coloring treatment liquid
[0051] First take distilled water and pour it into the equipment, add reagents at room temperature, the order ...
Example Embodiment
[0063] Example 2
[0064] I. The reagents used are:
[0065] Main film-forming agent: sodium silicate (Na 2 SiO 3 ·9H 2 O)
[0066] Film forming auxiliary: sodium fluoride (NaF)
[0067] pH adjuster: potassium hydroxide (KOH)
[0068] Coloring agent: potassium dichromate (K 2 Cr 2 O 7 )
[0069] All chemical reagents used are analytical grade, and distilled water is used when preparing the treatment liquid;
[0070] II. The equipment used is:
[0071] HD·MAO 100H-III micro-arc oxidation power supply, electrolyzer, stirring system and cooling system;
[0072] The rare earth magnesium alloy material is: SJDM-1 rare earth magnesium alloy, and its main components (W%) are shown in Table 1.
[0073] Table 1 Chemical composition of SJDM-1 rare earth magnesium alloy (W%)
[0074] alloy element%
[0075] III. Preparation of micro-arc oxidation coloring treatment liquid
[0076] First take distilled water and pour it into the equipment, add reagents at room temperature, the orde...
Example Embodiment
[0088] Example 3
[0089] I. The reagents used are:
[0090] Main film-forming agent: sodium silicate (Na 2 SiO 3 ·9H 2 O)
[0091] Film forming auxiliary: sodium fluoride (NaF)
[0092] pH adjuster: potassium hydroxide (KOH)
[0093] Coloring agent: potassium dichromate (K 2 Cr 2 O 7 )
[0094] All chemical reagents used are analytical grade, and distilled water is used when preparing the treatment liquid;
[0095] II. The equipment used is:
[0096] HD·MAO 100H-III micro-arc oxidation power supply, electrolyzer, stirring system and cooling system;
[0097] The rare earth magnesium alloy material is: SJDM-1 rare earth magnesium alloy, and its main components (W%) are shown in Table 1.
[0098] Table 1 Chemical composition of SJDM-1 rare earth magnesium alloy (W%)
[0099] alloy element%
[0100] III. Preparation of micro-arc oxidation coloring treatment liquid
[0101] First take distilled water and pour it into the equipment, add reagents at room temperature, the orde...
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