Title:
高伝導性フィンストック合金、製造方法及び得られた製品
Document Type and Number:
Japanese Patent JP2007517986
Kind Code:
A
Abstract:
A high-conductivity finstock alloy is for brazed aluminum heat exchangers. The finstock comprises an aluminum alloy comprised of between about 0.7-1.2% Si, about 1.9-2.4% Fe, about 0.6-1.0% Mn, up to about 0.5% Mg, up to about 2.5% Zn, up to about 0.10% Ti, and up to about 0.05% In, with the remainder comprising Al and tolerable impurities. A method of manufacturing finstock from the foregoing aluminum alloy comprises continuously casting the alloy as a strip with a thickness of about 2-10 mm at an average cooling rate above about 300° C./sec. and then multiple pass cold rolling the strip using one or more intermediate partial anneals at a temperature of about 300-450° C. A fin made from the foregoing finstock is also disclosed. A brazed aluminum heat exchanger having cooling fins made from the foregoing finstock is also disclosed.
Inventors:
Baumann, Stephen
Application Number:
JP2006549275A
Publication Date:
July 05, 2007
Filing Date:
December 09, 2004
Export Citation:
Assignee:
Alcoa Incorporated
International Classes:
C22C21/00; B21B1/22; B21B3/00; B22D11/00; B22D11/06; B22D11/124; B23P15/26; C22F1/04; C22F1/053; F28F1/12; F28F9/02; F28F21/08; C22F1/00
Domestic Patent References:
| JP2004277756A | 2004-10-07 | |||
| JP2002241910A | 2002-08-28 | |||
| JP2003520294A | 2003-07-02 |
Attorney, Agent or Firm:
Toshiyuki Maruyama
Takao Miyano
Koichi Kitazumi
Toshiya Nagatsuka
Takahiro Kutoku
Takao Miyano
Koichi Kitazumi
Toshiya Nagatsuka
Takahiro Kutoku