COMPONENT PRODUCING METHOD AND SURFACE TREATMENT METHOD

• Main Authors: KIMURA KOICHI, NAGANUMA YASUO
• Format: Patent
• Language: English; Japanese
• Published: 21.05.2015
• Subjects: CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; METALLURGY; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25; NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION

PROBLEM TO BE SOLVED: To form a chemical coating of good quality on the surface of magnesium lithium alloy.SOLUTION: A component producing method comprises a step of exposing a surface 10a of base material 10 of magnesium lithium alloy to acid 13 which comprises fluorine and has magnesium lithium alloy dissolved therein, and a step of fluorinating the surface 10a after exposed to the acid 13 to form a chemical coating 10x. 【課題】マグネシウムリチウム合金の表面に良質な化成皮膜を形成すること。【解決手段】フッ素を含み、かつ、マグネシウムリチウム合金が溶解した酸１３に、マグネシウムリチウム合金の母材１０の表面１０ａを曝す工程と、酸１３に表面１０ａを曝した後、表面１ａをフッ化して化成皮膜１０ｘを形成する工程とを有する部品の製造方法による。【選択図】図７