ALUMINUM ALLOY, AND HIGH STRENGTH BOLT MADE OF ALUMINUM ALLOY

• Main Author: MOTOJIMA FUMIHIKO
• Format: Patent
• Language: English
• Published: 29.09.2011
• Subjects: ALLOYS; BLASTING; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS; CHEMISTRY; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; ENGINEERING ELEMENTS AND UNITS; FERROUS OR NON-FERROUS ALLOYS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; THERMAL INSULATION IN GENERAL; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WEAPONS

PROBLEM TO BE SOLVED: To provide an aluminum alloy for obtaining a member provided with heat resistance, tensile strength and stress corrosion cracking resistance sufficient as those of automotive parts, to provide forged parts obtained by forging such aluminum alloy, and to provide a high strength bolt made of such aluminum alloy. SOLUTION: The aluminum alloy has a composition comprising, by mass, 1.0 to 1.7% Si, 0.05 to 0.5% Fe, 0.8 to 1.5% Cu, 0.6 to 1.2% Mn, 0.9 to 1.5% Mg, 0.05 to 0.5% Zn, 0.05 to 0.3% Zr and 0.01 to 0.2% V, if required, comprising >0 to 0.05% Ti, and, if required, further comprising, >0 to 0.7% Ni, and the balance Al with inevitable impurities. COPYRIGHT: (C)2011,JPO&INPIT