Title:
ろう付後の強度に優れるろう付け用部材、クラッド材および自動車用熱交換器
Document Type and Number:
Japanese Patent JP6665045
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a brazing member capable of maintaining strength after brazing, a clad material and a heat exchanger for automobile.SOLUTION: A brazing member consists of an aluminum alloy containing, by mass%, Mn:1.0 to 2.0%, Cu:0.1 to 1.0% and Si:0.3 to 1.0% and the balance Al with inevitable impurities, and has electric conductivity of 45%IACS or less, sold solubility of each element in a matrix satisfying Mn content of 18% to 25%, Si content of 35% to 45%, Cu content of 70% to 80% and number density of an Al-Mn-Si-based intermetallic compound with circle equivalent diameter of 0.5 μm to 3.5 μm of 1.0×10/mmor less.SELECTED DRAWING: Figure 2
Inventors:
Shohei Iwao
Application Number:
JP2016126990A
Publication Date:
March 13, 2020
Filing Date:
June 27, 2016
Export Citation:
Assignee:
Mitsubishi Aluminum Co., Ltd.
International Classes:
C22C21/00; F28F19/06; F28F21/08
Domestic Patent References:
| JP2015196858A | ||||
| JP2012087401A | ||||
| JP1234542A | ||||
| JP11269590A |
Attorney, Agent or Firm:
Yuki Yokoi