公开(公告)号：US20190291218A1

公开(公告)日：2019-09-26

申请号：US16304467

申请日：2017-05-24

Applicant: UACJ Corporation

Inventor： Yasunaga ITOH ,  Shoichi SAKODA ,  Atsushi FUKUMOTO

IPC: B23K35/02 ,  B23K1/20 ,  B23K35/28 ,  C22C21/02 ,  C22C21/06 ,  B32B15/01 ,  C23F1/20

Abstract: A brazing sheet is provided for use in brazing performed in an inert gas atmosphere both using flux and without using flux. The brazing sheet includes an aluminum-based core, an intermediate material layered on the core and being composed of an aluminum alloy that contains Mg: 0.40-3.0 mass %, and a filler metal layered on the intermediate material and being composed of an aluminum alloy that contains Si: 6.0-13.0 mass % and Mg: less than 0.050 mass %. The brazing sheet satisfies the formula below where M [mass %] is the Mg content in the intermediate material, ti [μm] is the thickness of the intermediate material, and tf [μm] is the thickness of the filler metal: tf≥10.15×ln(M×ti)+3.7.

公开(公告)号：US20170282271A1

公开(公告)日：2017-10-05

申请号：US15509303

申请日：2015-07-17

Applicant: UACJ Corporation

Inventor： Yasunaga ITOH ,  Yutaka YANAGAWA ,  Shoichi SAKODA

IPC: B23K1/008 ,  F27D13/00 ,  F27D7/06 ,  B23K1/19 ,  B23K31/02

Abstract: A brazing furnace (1) includes a preheating chamber (2) and a brazing chamber (3). The preheating chamber (2) includes: a vacuum pump (21) for reducing the pressure inside the preheating chamber (2) while a material to be processed (100) is housed therein; a preheating apparatus (22), which preheats the material to be processed (100) in a reduced-pressure atmosphere; and a gas introducing apparatus (23), which introduces inert gas into the preheating chamber (2) to restore the pressure inside the preheating chamber (2) after the preheating. The brazing chamber (3) includes: a gas-replacing apparatus (31), which introduces inert gas into the brazing chamber (3); and a main heating apparatus (32), which heats the material to be processed (100) to a brazing temperature while it is housed in the brazing chamber (3).

公开(公告)号：US20190314916A1

公开(公告)日：2019-10-17

申请号：US16472528

申请日：2017-11-28

Applicant: UACJ Corporation

Inventor： Yasunaga ITOH ,  Shoichi SAKODA

IPC: B23K1/008 ,  B23K1/19

Abstract: Provided are a brazing furnace (1) and a brazing method in which brazing-joint quality can be easily stabilized in brazing with a reduced applied-amount of flux or in brazing without using flux. The brazing furnace (1) is configured to be used for brazing an object to be processed (100) composed of an aluminum material. The brazing furnace (1) includes a brazing chamber (2) equipped with heating apparatuses (21) that heat the object to be processed (100) to the brazing temperature, an inert gas supply apparatus (3) that supplies an inert gas in to the brazing chamber (2), and a dehumidifying apparatus (4) that is interposed between the inert gas supply apparatus (3) and the brazing chamber (2) and performs dehumidification of the inert gas.

公开(公告)号：US20160288248A1

公开(公告)日：2016-10-06

申请号：US15148373

申请日：2016-05-06

Applicant: UACJ CORPORATION

Inventor： Yasunaga ITOH ,  Yusuke OHASHI ,  Shoichi SAKODA

IPC: B23K20/16 ,  B21B1/22 ,  C22F1/04 ,  B23K20/04 ,  B32B15/01

CPC classification number: B23K20/16 ,  B21B1/22 ,  B21B2001/225 ,  B23K20/04 ,  B32B9/025 ,  B32B9/041 ,  B32B15/016 ,  B32B15/20 ,  C22C21/00 ,  C22C21/06 ,  C22F1/04

Abstract: An aluminum clad member is produced by: disposing a joining assistance member at a joint interface between an Al core member and an Al skin member, which joining assistance member being formed by crossing Al wires with each other in longitudinal and lateral directions to form a grid, and having a structure in which spot-like thick portions having a thickness of 0.2-3.2 mm are formed at intersections of the Al wires and arranged in the longitudinal and lateral directions so as to be spaced apart from each other by a distance of 0.2-13 mm; and performing a hot rolling operation with respect to the thus obtained stack of the Al core member, the Al skin member and the joining assistance member, by partially fixing together those members at their peripheral portions or without fixing together those members, such that the joint interfaces is communicated with an ambient air.

Abstract translation: 铝合金构件通过以下方式制造：将接合辅助构件设置在Al芯构件和Al蒙皮构件之间的接合界面处，所述接合辅助构件通过在纵向和横向上彼此交叉形成网格而形成网格 并且具有这样的结构，其中在Al线的交叉点处形成厚度为0.2-3.2mm的点状厚部分，并且沿纵向和横向设置成彼此间隔0.2° -13毫米; 并且通过将这些构件部分地固定在其周边部分上或者不将这些构件固定在一起，对Al芯构件，Al蒙皮构件和接合辅助构件进行热轧操作，使得接合部 接口与环境空气通信。