METHOD OF PRODUCING ALUMINUM CONDUCTIVE MEMBER AND ALUMINUM CONDUCTIVE MEMBER

• Main Authors: TAGUCHI YOSHIHIRO, INOUE SADAO, NAKAYAMA MITSURU, TAKAHASHI YUTA, SEKI YUSUKE, YAMAGISHI KAZUO, SHIMIZU SAYURI
• Format: Patent
• Language: English; Japanese
• Published: 04.10.2018
• Subjects: BASIC ELECTRIC ELEMENTS; CABLES; CHEMICAL SURFACE TREATMENT; CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; 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; CONDUCTORS; DIFFUSION TREATMENT OF METALLIC MATERIAL; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; INSULATORS; METALLURGY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

PROBLEM TO BE SOLVED: To provide a method of producing an aluminum conductive member enabling an aluminum conductive member having excellent contact resistance and corrosion resistance to be produced at low cost, and an aluminum conductive member.SOLUTION: There is provided the method of producing an aluminum conductive member comprising an aluminum base material made of aluminum or an aluminum alloy and a conductive layer laminated on a surface of the aluminum base material. The method of producing an aluminum conductive member comprises the steps of: etching a surface of the aluminum base material with an acidic mixed solution containing hydrofluoric acid and ammonium fluoride; then applying a conductive coating liquid containing carbon powder and a binder resin to the surface of the aluminum base material; and applying heat treatment to the aluminum base material to form a conductive layer, and the aluminum conductive member is also provided.SELECTED DRAWING: None 【課題】アルミニウム又はアルミニウム合金を用いて、接触抵抗及び耐食性に優れたアルミ導電部材をコスト性に優れて製造することができるアルミ導電部材の製造方法及びアルミ導電部材を提供する。【解決手段】アルミニウム又はアルミニウム合金からなるアルミ基材とこのアルミ基材の表面に積層された導電層とを備えるアルミ導電部材の製造方法であって、前記アルミ基材の表面をフッ酸とフッ化アンモニウムとを含んだ酸性混合溶液でエッチング処理した後に、炭素粉末とバインダー樹脂とを含んだ導電性塗料を塗布し、熱処理して導電層を形成することを特徴とするアルミ導電部材の製造方法及びアルミ導電部材である。【選択図】なし