TiAl alloy material, production method therefor, and forging method for TiAl alloy material

• Main Authors: BABA MASANOBU, SAKAKIBARA YOHEI, OTA YUTARO, KUBUSHIRO KEIJI
• Format: Patent
• Language: Chinese; English
• Published: 31.07.2020
• Subjects: ALLOYS; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS; 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; FERROUS OR NON-FERROUS ALLOYS; FORGE FURNACES; FORGING; HAMMERING; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; METALLURGY; PERFORMING OPERATIONS; PRESSING METAL; PUNCHING METAL; RIVETING; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS

A TiAl alloy material (10) for hot forging comprises a substrate (12) formed of a TiAl alloy; and an Al layer (14) that is formed on a surface of the substrate (12), contains Al as a main ingredient,and contains Ti. 热锻用TiAl合金材料(10)包括由TiAl合金形成的基材(12)和形成于基材(12)的表面、主要成分由Al形成且含有Ti的Al层(14)。