Title:
成形性、曲げ加工性および耐デント性に優れた高強度アルミニウム合金板及びその製造方法
Document Type and Number:
Japanese Patent JP6857535
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a high strength aluminum alloy sheet excellent in moldability, flexure processability and dent resistance.SOLUTION: There is provided a high strength aluminum alloy sheet excellent in moldability, flexure processability and dent resistance, having a component composition containing Mn:1.00 to 1.25 mass%, Fe:0.30 to 0.70 mass%, Si:0.50 to 0.85 mass%, Ti:0.005 to 0.10 mass%, Mg as impurity restricted to less than 0.10 mass%, and the balance Al with inevitable impurities, conductivity of 42%IACS or less, elongation of 28% or more, 0.2% bearing force (YS) of over 100 MPa, 0.2% bearing force (YS) after conducting an aging treatment of 170°C×20 min. after introducing 2% prestrain (YS) of over 110 MPa and ΔYS=(YS-YS) of 10 MPa or more. Further it may contain Cu:less than 0.80 mass%.SELECTED DRAWING: None
Inventors:
Takeshi Handa
Kiyomi Tsuchiya
Toshiya Anami
Junji Tsukiyama
Koichi Kanazawa
Kenichi Ozawa
Kiyomi Tsuchiya
Toshiya Anami
Junji Tsukiyama
Koichi Kanazawa
Kenichi Ozawa
Application Number:
JP2017073783A
Publication Date:
April 14, 2021
Filing Date:
April 03, 2017
Export Citation:
Assignee:
NIPPON LIGHT METAL COMPANY,LTD.
Nissan Motor Co., Ltd
Nissan Motor Co., Ltd
International Classes:
C22C21/00; C22F1/04
Domestic Patent References:
| JP2001288523A |
Foreign References:
| WO2015155911A1 |
Attorney, Agent or Firm:
Hidekazu Miyoshi
Shunichi Takahashi
Masakazu Ito
Shunichi Takahashi
Masakazu Ito