公开(公告)号：US20160298914A1

公开(公告)日：2016-10-13

申请号：US15028518

申请日：2014-10-14

Applicant: UACJ CORPORATION

Inventor： Yoshimasa KANNO ,  Akira ICHINOSE ,  Yoshiyuki OYA

IPC: F28F19/06 ,  F28F1/22 ,  F28F21/08 ,  F28D1/053

CPC classification number: F28F19/06 ,  B23K1/00 ,  B23K1/0012 ,  B23K1/19 ,  C22C21/00 ,  C22C21/02 ,  C22C21/04 ,  C22C21/10 ,  C22F1/00 ,  C22F1/04 ,  C23F13/14 ,  C23F2201/00 ,  F25B39/00 ,  F28D1/05316 ,  F28D2021/0068 ,  F28F1/22 ,  F28F9/0243 ,  F28F9/18 ,  F28F21/084 ,  F28F21/089 ,  F28F2275/04 ,  F28F2275/064

Abstract: A core material contains Mn: 0.3-2.0 mass % (hereinafter, abbreviated to %), Si: 1.5% or less, Fe: 0.1-1.0% and Cu: 0.05-1.0%, and comprises a remainder Al and unavoidable impurities, and the sacrificial anode material contains Fe: 0.05-1.0% and Zn: 0.5-5.0%, and comprises a remainder Al and unavoidable impurities. A potential at the joint section between the header pipe and the tube is lower by 30 mV or less than potentials at the header pipe surface and the tube surface, and the potential at the joint section is lower by 30-100 mV than a potential at a position in a depth of one quarter of the overall thickness from the header pipe surface and a potential at a position in a depth of one quarter of the overall thickness from the tube surface.

Abstract translation: 芯材含有Mn：0.3〜2.0质量％（以下简称为％），Si：1.5％以下，Fe：0.1〜1.0％，Cu：0.05〜1.0％，其余为Al和不可避免的杂质， 牺牲阳极材料含有Fe：0.05-1.0％和Zn：0.5-5.0％，并且包含剩余的Al和不可避免的杂质。 集管和管之间的连接部分的电位比总管表面和管表面的电位低30 mV或更小，并且接头部分的电位低于30-100 mV时的电位 从总管表面的总厚度的四分之一深度的位置和在距离管表面的总厚度的四分之一深度的位置处的电位。

公开(公告)号：US20160114435A1

公开(公告)日：2016-04-28

申请号：US14987166

申请日：2016-01-04

Applicant: UACJ Corporation

Inventor： Yoshimasa KANNO ,  Satoshi TANAKA ,  Kazuko TERAYAMA

IPC: B23K35/02 ,  B23K35/28 ,  C22C21/10 ,  C22C21/02 ,  C22C21/08

CPC classification number: B23K35/0238 ,  B23K35/286 ,  B23K35/288 ,  B32B15/016 ,  C22C21/00 ,  C22C21/02 ,  C22C21/04 ,  C22C21/08 ,  C22C21/10 ,  C22F1/00 ,  C22F1/04 ,  C22F1/043 ,  F28F21/084 ,  F28F21/089 ,  F28F2275/04

Abstract: An aluminum alloy brazing sheet for heat exchangers, having a core alloy containing Mn 0.6 to 2.0 mass %, Fe 0.05 to 0.5 mass %, Si 0.4 to 0.9 mass %, and Zn 0.02 to 4.0 mass %, with the balance being Al and unavoidable impurities; and as a skin alloy containing Si 6.0 to 13.0 mass %, Fe 0.05 to 0.80 mass %, and Cu 0.05 to 0.45 mass %, with the balance being Al and unavoidable impurities, wherein a ratio A/B of a number density A of specific precipitates with a particle size 0.1 μm or more but less than 3.0 μm, and a number density B of precipitates with a particle size 3.0 μm or more in the core alloy, satisfies: 50≦A/B≦500, and wherein an average grain size of the core alloy in a longitudinal cross-section of a fin after braze-heating is 100 μm or more; and a method of producing the same.

Abstract translation: 1.一种热交换器用铝合金钎焊片，其特征在于，含有Mn为0.6〜2.0质量％，Fe为0.05〜0.5质量％，Si为0.4〜0.9质量％，Zn为0.02〜4.0质量％的铁合金，余量为Al且不可避免 杂质; 作为Fe为6.0〜13.0质量％，Fe为0.05〜0.80质量％，Cu为0.05〜0.45质量％，余量为Al和不可避免的杂质的皮肤合金，其中A / B为特定 在芯合金中，粒径为0.1μm以上且小于3.0μm的析出物，粒径为3.0μm以上的析出物的数密度B满足：50＆lt; lE; A / B＆nlE; 500，其中平均颗粒 钎焊加热后的翅片的纵截面中的芯合金的尺寸为100μm以上; 及其制造方法。