Aluminum alloy for cutting processing, and aluminum alloy worked article made of the same

Abstract

An aluminum alloy for cutting processing consists essentially of Cu: 1 to 6.5 mass %, Zn: 0.05 to 1 mass %, Bi: 0.1 to 1 mass %, Sn: 0.1 to 1 mass %, B: 100 mass ppm or less, or further includes at least one element as a selective additional element selected from the group consisting of Fe: 0.05 to 1 mass %, Mg: 0.01 to 0.3 mass %, Si: 0.05 to 1 mass % and Ti: 0.01 to 0.5 mass %.

Description

[0001] Priority is claimed to Japanese Patent Application No. 2002-296268, filed on Oct. 9, 2002, and U.S. Provisional Application No. 60 / 483,635, filed on Jul. 1, 2003, the disclosure of which are incorporated by reference in their entireties. CROSS REFERENCE TO RELATED APPLICATIONS [0002] This application is an application filed under 35 U.S.C. § 111(a) claiming the benefit pursuant to 35 U.S.C. §119(e)(1) of the filing date of U.S. Provisional Application No. 60 / 483,635, filed on Jul. 1, 2003, pursuant to 35 U.S.C. §111(b).TECHNICAL FIELD [0003] The present invention relates to an aluminum alloy for cutting processing containing no Pb, and also related to an aluminum alloy worked article made of the aforementioned aluminum alloy. BACKGROUND ART [0004] In cutting processing of aluminum alloy materials, a step of disposing chips is required since continuous chips are generated during the cutting processing. Also required is a step of eliminating burrs which generate at corner porti...

AI Technical Summary

Benefits of technology

[0023] According to the aluminum alloy for cutting processing as recited in the aforementioned Item (3), extremely excellent strength and cutting processability can be obtained.

[0024] According to the aluminum alloy for cutting processing as recited in the aforementioned Item (4), extremely excellent cutting processability and mechanical characteristics can be obtained.

[0025] According to the aluminum alloy for cutting processing as recited in the aforementioned Item (5), extremely excellent cutting processability, mechanical character

Problems solved by technology

However, since enough cutting processability cannot be obtained by the afore