公开(公告)号：US09976201B2

公开(公告)日：2018-05-22

申请号：US15108566

申请日：2014-12-17

Applicant: UACJ CORPORATION

Inventor： Makoto Ando ,  Takuya Murata ,  Akio Niikura

IPC: B23K20/00 ,  C22C21/16 ,  B23K1/00 ,  B23K1/19 ,  B23K35/28 ,  B23K20/04 ,  B23K31/02 ,  B23K35/22 ,  C22C21/00 ,  C22F1/04 ,  F28F21/08 ,  B32B15/01 ,  C22C21/02 ,  C22C21/10 ,  C22C21/14 ,  B21B1/22 ,  B21D53/04 ,  B22D7/00 ,  B23K35/02 ,  C22F1/043 ,  C22F1/053 ,  C22F1/057 ,  B23K35/00 ,  B21B3/00 ,  B23K101/14

CPC classification number: C22C21/16 ,  B21B1/22 ,  B21B3/00 ,  B21D53/04 ,  B22D7/005 ,  B23K1/00 ,  B23K1/0012 ,  B23K1/19 ,  B23K20/04 ,  B23K31/02 ,  B23K35/002 ,  B23K35/0238 ,  B23K35/22 ,  B23K35/28 ,  B23K35/286 ,  B23K35/288 ,  B23K2101/14 ,  B23K2103/10 ,  B32B15/016 ,  C21D2251/00 ,  C22C21/00 ,  C22C21/02 ,  C22C21/10 ,  C22C21/14 ,  C22F1/04 ,  C22F1/043 ,  C22F1/053 ,  C22F1/057 ,  F28F21/084 ,  F28F21/089

Abstract: A highly corrosion resistant and highly formable aluminum-alloy clad material, a method for producing the same, a heat exchanger using the same and a method for producing the same are shown. The present aluminum-alloy clad material has an aluminum alloy core material, an intermediate layer material clad on one surface of the core material and a brazing filler metal clad on the surface of the intermediate layer material that is not on the core material side, wherein a crystal grain size of the intermediate layer material before brazing heating is 60 μm or more, and in a cross section of the core material in a rolling direction before brazing heating, when R1 (μm) represents the crystal grain size in a plate thickness direction, and R2 (μm) represents the crystal grain size in the rolling direction, R1/R2 is 0.30 or less.

公开(公告)号：US20240316667A1

公开(公告)日：2024-09-26

申请号：US18693701

申请日：2022-08-09

Applicant: UACJ Corporation

Inventor： Tatsuya Ide ,  Yutaka Yanagawa ,  Makoto Ando ,  Takashi Urahama ,  Toshihide Ninagawa

IPC: B23K1/19 ,  B23K35/28 ,  C22F1/043 ,  C22F1/047

CPC classification number: B23K1/19 ,  B23K35/286 ,  C22F1/043 ,  C22F1/047

Abstract: Provided is a brazing sheet that can exhibit excellent brazability in brazing an aluminum material without using flux in an inert gas atmosphere such as nitrogen gas atmosphere. An aluminum alloy brazing sheet to be used for brazing in an inert gas atmosphere is an aluminum alloy brazing sheet comprising: a core material; and a brazing material clad on one side or both sides of the core material, wherein the core material is made of an aluminum alloy comprising Mg at 0.10 to 0.50 mass % with the balance being aluminum and inevitable impurities, the brazing material is made of an aluminum alloy comprising Si at 6.00 to 13.00 mass % and Mg at a content limited to less than 0.05 mass % with the balance being aluminum and inevitable impurities, and a Mg integration value from a surface of the brazing material to a depth of 30 nm is 150 atm %×nm or less.

公开(公告)号：US10099320B2

公开(公告)日：2018-10-16

申请号：US14374969

申请日：2013-01-28

Applicant: DENSO CORPORATION ,  UACJ CORPORATION

Inventor： Sadayuki Kamiya ,  Shota Terachi ,  Kenji Negura ,  Makoto Ando ,  Atsushi Fukumoto ,  Yoshiyuki Oya ,  Akio Niikura

IPC: B32B15/01 ,  B23K35/02 ,  B23K1/19 ,  B23K35/28 ,  B23K35/22 ,  C22C21/00 ,  B23K1/00 ,  B23K101/00 ,  B23K101/14 ,  B23K103/10

Abstract: An aluminum alloy brazing sheet having high corrosion resistance is provided, which develops the sacrificial anticorrosion effect in both surfaces of the sheet, which has the brazing function in one of both the surfaces, and which prevents the occurrence of preferential corrosion. A channel forming component for a vehicular heat exchanger is also provided by utilizing the aluminum alloy brazing sheet. An aluminum alloy brazing sheet having high corrosion resistance includes an aluminum alloy core, a filler material clad on one surface of the core, and a sacrificial anode material clad on the other surface of the core, wherein the filler material, the sacrificial anode material, and the core have respective predetermined alloy compositions. A channel forming component for a vehicular heat exchanger is manufactured using the aluminum alloy brazing sheet having high corrosion resistance.

公开(公告)号：US09976200B2

公开(公告)日：2018-05-22

申请号：US15108564

申请日：2014-12-17

Applicant: UACJ Corporation

Inventor： Makoto Ando ,  Yutaka Yanagawa ,  Akio Niikura

IPC: B23K20/00 ,  C22C21/14 ,  B23K1/00 ,  B23K1/19 ,  B21B1/22 ,  B21B3/00 ,  B23K35/28 ,  B23K20/04 ,  B23K31/02 ,  B23K35/22 ,  C22C21/00 ,  C22F1/04 ,  C22C21/02 ,  C22C21/08 ,  C22C21/10 ,  F28F21/08 ,  B32B15/01 ,  B21B1/26 ,  B22D7/00 ,  B23K35/02 ,  C22F1/043 ,  C22F1/047 ,  C22F1/053 ,  C22F1/057

CPC classification number: C22C21/14 ,  B21B1/22 ,  B21B1/26 ,  B21B3/00 ,  B22D7/005 ,  B23K1/00 ,  B23K1/0012 ,  B23K1/19 ,  B23K20/04 ,  B23K31/02 ,  B23K35/0238 ,  B23K35/22 ,  B23K35/28 ,  B23K35/288 ,  B23K2103/10 ,  B32B15/016 ,  C22C21/00 ,  C22C21/02 ,  C22C21/08 ,  C22C21/10 ,  C22F1/04 ,  C22F1/043 ,  C22F1/047 ,  C22F1/053 ,  C22F1/057 ,  F28F21/084 ,  F28F21/089

Abstract: A highly corrosion resistant and highly formable cladded aluminum-alloy material, a method for producing the same, a heat exchanger using the same and a method for producing the same are shown. The present cladded aluminum-alloy material has an aluminum alloy core material, an intermediate layer material clad on one surface of the core material and a brazing filler metal clad on the intermediate layer material surface which is not at the core material side, wherein a crystal grain size of the intermediate layer material before brazing heating is 60 μm or more, and in a cross section of the core material in a rolling direction before brazing heating, when R1 (μm) represents the crystal grain size in a plate thickness direction, and R2 (μm) represents the crystal grain size in the rolling direction, R1/R2 is 0.30 or less.

公开(公告)号：US20240416465A1

公开(公告)日：2024-12-19

申请号：US18704303

申请日：2022-10-11

Applicant: UACJ Corporation

Inventor： Taichi Suzuki ,  Tomoki Yamayoshi ,  Wataru Nakagawa ,  Makoto Ando

IPC: B23K35/02 ,  B23K35/28 ,  C22C21/02 ,  C22C21/08 ,  C22F1/04 ,  C22F1/043 ,  C22F1/05

Abstract: An aluminum alloy brazing sheet has a core material of the aluminum alloy brazing sheet formed of an aluminum alloy comprising 0.20 mass % to 1.00 mass % of Si, 0.10 mass % to 0.80 mass % of Mn, and 0.20 mass % to 1.00 mass % of Mg, having a value of Mn content/Si content of 0.10 or more and less than 1.00, a value of Mg content+Si content of 0.60 mass % or more and less than 1.60 mass %, a Fe content of 0.40 mass % or less, a Cu content of 0.25 mass % or less, a Cr content of 0.10 mass % or less, a Zn content of 2.00 mass % or less, a Ti content of 0.10 mass % or less, and a Zr content of 0.10 mass % or less, with the balance being Al and inevitable impurities.

公开(公告)号：US11408690B2

公开(公告)日：2022-08-09

申请号：US16459585

申请日：2019-07-01

Applicant: UACJ CORPORATION

Inventor： Makoto Ando ,  Atsushi Fukumoto ,  Akio Niikura

IPC: B23K35/22 ,  B23K20/04 ,  F28F21/08 ,  F28F19/06 ,  C22C21/00 ,  B23K20/233 ,  C22F1/04 ,  B23K35/28 ,  C23F13/14 ,  B23P15/26 ,  B32B15/01 ,  C22C21/02 ,  C22C21/08 ,  C22C21/10 ,  C22C21/14 ,  B23K101/14 ,  B23K101/34 ,  B23K103/10

Abstract: A method for producing an aluminum alloy clad material having a core material and a sacrificial anode material clad on at least one surface of the core material, wherein the core material comprises an aluminum alloy comprising 0.050 to 1.5 mass % (referred to as “%” below) Si, 0.050 to 2.0% Fe and 0.50 to 2.00% Mn; the sacrificial anode material includes an aluminum alloy containing 0.50 to 8.00% Zn, 0.05 to 1.50% Si and 0.050 to 2.00% Fe; the grain size of the sacrificial anode material is 60 μm or more; and a ratio R1/R2 is 0.30 or less, wherein R1 (μm) is a grain size in a thickness direction and R2 (μm) is a grain size in a rolling direction in a cross section of the core material along the rolling direction; a production method thereof; and a heat exchanger using the clad.

公开(公告)号：US10688601B2

公开(公告)日：2020-06-23

申请号：US15742393

申请日：2016-07-08

Applicant: DENSO Corporation ,  UACJ CORPORATION

Inventor： Taichi Asano ,  Masaki Harada ,  Shoei Teshima ,  Makoto Ando ,  Naoki Yamashita

IPC: B23K35/28 ,  F28F21/08 ,  B32B15/01 ,  C22F1/04 ,  C22C21/00 ,  B23K35/02 ,  C22C21/02 ,  C22C21/08 ,  C22C21/10 ,  C22F1/047 ,  C22F1/053 ,  F28D1/03

Abstract: Provided is an aluminum alloy clad material including an aluminum alloy core material, an intermediate layer material that is clad on one surface of the core material, and a first brazing filler metal that is clad on a surface of the intermediate layer material, the surface not being on the core material side, wherein the core material, the intermediate layer material, and the first brazing filler metal each include an aluminum alloy having a predetermined composition, the existence density of Al—Mn based intermetallic compounds having a circle-equivalent diameter between 0.1 and 1.0 μm inclusive in the intermediate layer material before brazing heating is at least 1.0×105 pieces/mm2, and the existence density of Al—Mn based intermetallic compounds having a circle-equivalent diameter between 0.1 and 1.0 μm inclusive in the intermediate layer material after brazing heating is at least 1.0×104 pieces/mm2. Further provided is a method for producing the aluminum alloy clad material.

公开(公告)号：US20180193961A1

公开(公告)日：2018-07-12

申请号：US15742418

申请日：2016-07-08

Applicant: UACJ CORPORATION

Inventor： Taichi Asano ,  Masaki Harada ,  Shoei Teshima ,  Makoto Ando ,  Wataru Narita ,  Naoki Yamashita

IPC: B23K35/28 ,  C22C21/08 ,  C22C21/10 ,  C22F1/053 ,  C22F1/047 ,  B32B15/01

CPC classification number: B23K35/288 ,  B23K35/0238 ,  B23K35/286 ,  B32B15/016 ,  B32B15/20 ,  C22C21/00 ,  C22C21/02 ,  C22C21/08 ,  C22C21/10 ,  C22C21/14 ,  C22F1/04 ,  C22F1/047 ,  C22F1/053 ,  F28D1/0325 ,  F28D9/0025 ,  F28F21/084 ,  F28F21/089 ,  F28F2245/00 ,  F28F2275/04

Abstract: Provided is an aluminum alloy clad material including an aluminum alloy core material and a first brazing filler metal that is clad on one surface or both surfaces of the core material, wherein the core material and the first brazing filler metal each include an aluminum alloy having a predetermined composition, the existence density of Al—Mn based intermetallic compounds having a circle-equivalent diameter of at least 0.1 μm in the first brazing filler metal before brazing heating is at least 1.0×105 pieces/mm2, and the existence density of Al—Mn based intermetallic compounds having a circle-equivalent diameter of at least 2 μm in the first brazing filler metal after brazing heating is at least 300 pieces/mm2. Further provided are a method for producing the aluminum alloy clad material and a heat exchanger employing the aluminum alloy clad material.

公开(公告)号：US20180193960A1

公开(公告)日：2018-07-12

申请号：US15742393

申请日：2016-07-08

Applicant: DENSO Corporation ,  UACJ CORPORATION

Inventor： Taichi Asano ,  Masaki Harada ,  Shoei Teshima ,  Makoto Ando ,  Naoki Yamashita

IPC: B23K35/28 ,  C22C21/08 ,  C22C21/10 ,  C22F1/053 ,  C22F1/047 ,  B32B15/01

Abstract: Provided is an aluminum alloy clad material including an aluminum alloy core material, an intermediate layer material that is clad on one surface of the core material, and a first brazing filler metal that is clad on a surface of the intermediate layer material, the surface not being on the core material side, wherein the core material, the intermediate layer material, and the first brazing filler metal each include an aluminum alloy having a predetermined composition, the existence density of Al—Mn based intermetallic compounds having a circle-equivalent diameter between 0.1 and 1.0 μm inclusive in the intermediate layer material before brazing heating is at least 1.0×105 pieces/mm2, and the existence density of Al—Mn based intermetallic compounds having a circle-equivalent diameter between 0.1 and 1.0 μm inclusive in the intermediate layer material after brazing heating is at least 1.0×104 pieces/mm2. Further provided is a method for producing the aluminum alloy clad material.

公开(公告)号：US20210187673A1

公开(公告)日：2021-06-24

申请号：US16076071

申请日：2017-02-14

Applicant: UACJ CORPORATION

Inventor： Toshiya Kondo ,  Makoto Ando ,  Tomohiro Shoji ,  Hidetoshi Kumagai

IPC: B23K35/28 ,  B23K35/02 ,  F28F21/08 ,  C22C21/10

Abstract: An aluminum alloy brazing sheet, a manufacturing method therefor, and a manufacturing method for an automotive heat exchanger. The aluminum alloy brazing sheet includes an aluminum alloy core material, a first brazing material that is clad to one surface of the core material, and a second brazing material that is clad to the other surface of the core material. The core material, the first brazing material, and the second brazing material each include a respective prescribed aluminum alloy. A count of an Al—Si—Fe intermetallic compound having an equivalent circle diameter of 0.5 to 80.0 μm in the second brazing material is less than or equal to 2,000 particles per mm2.