Title:
A manufacturing method of the aluminium alloy tube which has a sacrifice protective covering outer sheath and a joining layer
Document Type and Number:
Japanese Patent JP6014141
Kind Code:
B2
Abstract:
Provided is an aluminum alloy tube with superior corrosion resistance and a joining layer for brazing. In addition, a heat exchanger using a fin which utilizes a bare material of low cost and higher availability, rather than a clad material, is provided. A manufacturing method of an aluminum alloy tube, including the steps of forming a sacrificial anticorrosion layer comprising Zn, by ark spraying Zn with purity of 95% or more, onto a surface of aluminum alloy tube with a spraying amount of 3 to 10 g/m2 and a spraying speed of 150×103 to 350×103 mm/sec; and forming a joining layer for brazing by applying a joining material for brazing comprising a mixture obtained by mixing Si powder with purity of 95% or more and flux, onto a surface of the sacrificial anticorrosion layer, so that the amount of the Si powder is 1.2 to 3.0 g/m2, is provided.
Inventors:
Kensuke Mori
Application Number:
JP2014527892A
Publication Date:
October 25, 2016
Filing Date:
August 01, 2012
Export Citation:
Assignee:
Uacj Co., Ltd.
International Classes:
B21C37/06; B05D7/14; B21C37/24; B23K1/00; B23K1/19; B23K1/20; B23K35/22; B23K35/363; C23C28/00; F28F19/06
Domestic Patent References:
| JP3114660A | ||||
| JP11000790A | ||||
| JP7124787A | ||||
| JP2011007384A | ||||
| JP2012112000A | ||||
| JP2011007383A |
Attorney, Agent or Firm:
sk patent corporation
Akihiko Okuno
Hiroyuki Ito
Akihiko Okuno
Hiroyuki Ito
Previous Patent: The photocatalyst film for soil fumigation
Next Patent: SMOKE SENSOR FOR DIESEL ENGINE
Next Patent: SMOKE SENSOR FOR DIESEL ENGINE