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1. 发明专利

JP2002167637A ALUMINUM ALLOY CLAD MATERIAL AND ITS PRODUCTION METHOD 失效
公开(公告)号：JP2002167637A
公开(公告)日：2002-06-11
申请号：JP2000365911
申请日：2000-11-30
申请人： KOBE STEEL LTD , DENSO CORP
发明人： OKAMOTO HITOSHI , TAKEZOE OSAMU , SATO FUMIHIRO , SHINPO TANEHARU
IPC分类号： B23K20/04 , B23K103/10 , B32B15/01 , C22C21/00 , C22F1/00 , C22F1/04 , C23C22/56 , C23G1/12
摘要： PROBLEM TO BE SOLVED: To provide a method for producing an aluminum alloy clad material capable of making high strength and formability compatible in the case of adding Mg of high concentration to a surface material. SOLUTION: The aluminum alloy clad material is produced by cladding one side of an Al-Mn based aluminum alloy core material having an Mg content of

2. 发明专利

JP2002294377A ALUMINUM ALLOY COMPOSITE MATERIAL FOR BRAZING 失效
公开(公告)号：JP2002294377A
公开(公告)日：2002-10-09
申请号：JP2001097024
申请日：2001-03-29
申请人： KOBE STEEL LTD , SHINKO ALCOA YUSO KIZAI KK
发明人： OKAMOTO HITOSHI , SATO FUMIHIRO
IPC分类号： F28F1/32 , C22C21/00 , F28F21/08
摘要： PROBLEM TO BE SOLVED: To provide an aluminum alloy composite material for brazing which has high strength and high corrosion resistance, and whose thinning is made possible while maintaining its high brazability. SOLUTION: The aluminum alloy composite material for brazing has a core material consisting of an aluminum alloy, an Al-Si based brazing filler metal formed on one side of the core material, and a surface material consisting of an aluminum alloy formed on the other side of the core material, and whose cladding ratio is >=15% of the total thickness. The core material has a composition in which the content of Mg is controlled to, by mass, 0.2 to 1.0% Cu and 0.3 to 1.3% Si, and in which the total of Cu and Si is controlled

3. 发明专利

JP2002283047A BLAZING METHOD FOR ALUMINUM ALLOY CLAD MATERIAL 失效
公开(公告)号：JP2002283047A
公开(公告)日：2002-10-02
申请号：JP2001094524
申请日：2001-03-29
申请人： KOBE STEEL LTD , SHINKO ALCOA YUSO KIZAI KK
发明人： OKAMOTO HITOSHI
IPC分类号： B23K1/00 , B23K1/19 , B23K31/02 , B23K101/14 , B23K103/10 , C22C21/00
摘要： PROBLEM TO BE SOLVED: To provide a brazing method for aluminum alloy clad material by which corrosion of the inner surface of the aluminum alloy clad material can be effectively prevented. SOLUTION: In the brazing method for aluminum alloy clad material having the aluminum alloy containing at least both of Si and Cu as a core material and a surface material on the one side surface of this core material and a brazing material on the other surface, the aluminum alloy clad material is heated to a brazing temperature to perform the brazing, and the aluminum alloy clad material brazed with such a way, is cooled at 70 deg.C/min-300 deg.C/min cooling speed.

4. 发明专利

JP2002273598A ALUMINUM ALLOY CLAD MATERIAL 失效
公开(公告)号：JP2002273598A
公开(公告)日：2002-09-25
申请号：JP2001078157
申请日：2001-03-19
申请人： KOBE STEEL LTD
发明人： OKAMOTO HITOSHI , TAKEZOE OSAMU
IPC分类号： B23K1/00 , B23K1/19 , B23K35/28 , B32B15/01 , C22C21/00
摘要： PROBLEM TO BE SOLVED: To provide an aluminum alloy clad material having a brazing filler metal layer and having good brazing property and high strength. SOLUTION: The aluminum alloy clad material is provided with a first layer 1 consisting of Al-Si-base brazing filler metal and a second layer 2 of >=50 μm in thickness consisting of an aluminum alloy containing >=0.2 mass% Mg and is provided with a third layer 3 containing 0.2 to 3.5 mass% Mg.

5. 发明专利

JP2002273597A BRAZING SHEET MADE OF ALUMINUM ALLOY FOR NON-CORROSIVE FLUX BRAZING 失效
公开(公告)号：JP2002273597A
公开(公告)日：2002-09-25
申请号：JP2001074258
申请日：2001-03-15
申请人： KOBE STEEL LTD
发明人： OKAMOTO HITOSHI , TAKEZOE OSAMU
IPC分类号： F28F21/08 , B23K1/00 , B23K1/20 , B23K35/28 , B23K101/14 , C22C21/00
摘要： PROBLEM TO BE SOLVED: To provide a brazing sheet made of an aluminum alloy for non- corrosive flux brazing which is capable of additionally improving strength while maintaining solderability. SOLUTION: Second and third aluminum alloy layers 2 and 3 are respectively formed on the different surfaces of a first aluminum alloy layer 1 and a brazing filler metal layer 4 containing Si is formed on the surface of the second aluminum alloy layer. The first aluminum alloy layer contains 0.4 to 1.0 mass% Mg, 0.4 to 1.0 mass% Si and 0.3 to 1.0 mass% Mn or contains 0.8 to 1.5 mass% Mg, 4.5 to 6.5 mass% Zn and 0.3 to 1.0 mass% Mn. The second and third aluminum alloy layers contain 0.3 to 1.3 mass% Si, 0.3 to 1.0 mass% Cu and 0.3 to 1.5 mass% Mn and is regulated in the Mg content to

6. 发明专利

JPH05104281A HIGH-STRENGTH ALUMINUM BRAZING FILLER METAL 失效
公开(公告)号：JPH05104281A
公开(公告)日：1993-04-27
申请号：JP31306091
申请日：1991-10-09
申请人： KOBE STEEL LTD
发明人： OKAMOTO HITOSHI , HIRANO MASAKAZU
IPC分类号： B23K35/28 , C22C21/02
摘要： PURPOSE:To provide the aluminum brazing filler metal by which a brazed and joined part having high strength is obtd. even if the thickness is reduced. CONSTITUTION:This aluminum brazing filler metal contains 7 to 13% Si, 0.02 to 0.2% Sr and 0.0005 to 0.01% Na as essential components, further contains one or two kinds of 0.2 to 3.0% Mg and 0.02 to 0.5% Bi and consists of the balance Al and unavoidable impurities. This brazing filler metal is usable as the brazing sheet clad at a suitable cladding ratio on a suitable core material for assembling a heat exchanger, etc., for automobiles by various brazing methods, such as Nocolok process.

7. 发明专利

JP2003166030A ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISK 审中-公开
公开(公告)号：JP2003166030A
公开(公告)日：2003-06-13
申请号：JP2001367706
申请日：2001-11-30
申请人： KOBE STEEL LTD
发明人： OKAMOTO HITOSHI , FUJIMOTO HIDEO , KATO YOSHINORI
IPC分类号： C23C18/18 , C22C21/06
摘要： PROBLEM TO BE SOLVED: To provide an aluminum alloy substrate for a magnetic disk which does not cause fine surface roughening on the surface of a NiP-plated film, provides high flatness and surface smoothness, and realizes high record density, even when the substrate is film-formed at a raised temperature in order to enhance the magnetic properties. SOLUTION: This aluminum alloy sheet has a composition comprising 2.0-6.0 mass% Mg, 0.01-0.2 mass% Cr, at least one of Cu and Zn so as to satisfy a relation of 3Cu+Zn=0.5-1.5 mass%, and the balance Al with unavoidable impurities; and has 0.5 or more of a ratio of the minimum value to the maximum value (minimum value/maximum value) of number of Zn counts, when the number of the Zn counts per unit time on each crystal grain are measured on ten crystal grains, by EDS or WDS having an electron beam diameter of 1-10 μm, after being zincated. COPYRIGHT: (C)2003,JPO

8. 发明专利

JP2003272130A NiP PLATED ALUMINUM ALLOY SUBSTRATE FOR MAGNETIC DISK 审中-公开
标题翻译：用于磁盘的NiP镀铝合金基板
公开(公告)号：JP2003272130A
公开(公告)日：2003-09-26
申请号：JP2002078107
申请日：2002-03-20
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： KATO YOSHINORI , FUJIMOTO HIDEO , OKAMOTO HITOSHI
IPC分类号： C23C18/52 , C22C21/06 , G11B5/73 , G11B5/738
摘要： PROBLEM TO BE SOLVED: To provide a NiP plated aluminum alloy substrate for a magnetic disk wherein fine undulation does not occur on the surface of a NiP plated film and the surface having high flatness and high smoothness can be obtained even when a magnetic film is deposited by increasing the temperature of a substrate for enhancing magnetic characteristics and higher recording density can be realized. SOLUTION: A Zn layer, a Cu layer and the NiP plated film are successively formed on the surface of an aluminum alloy substrate and the Cu layer has 0.2 to 4 g/m 2 deposit. The Cu layer is formed by a nonelectrolytic plating method. The aluminum alloy substrate contains 2.0 to 6.0% by mass of Mg and 0.01 to 0.2% by mass of Cr and further contains at least one selected from the group consisting of Cu and Zn so that 3[Cu]+[Zn]=0.2 to 1.5% by mass is satisfied, when the contents of Cu and Zn are defined as [Cu] and [Zn], respectively, and the balance Al and inevitable impurities. COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：为了提供一种用于磁盘的NiP镀铝合金基板，其中在NiP镀膜的表面上不会发生细微波动，并且即使当磁性材料具有高平坦度和高平滑度的表面时，也可以获得通过增加用于增强磁特性的基板的温度来沉积膜，并且可以实现更高的记录密度。解决方案：在铝合金基板的表面上依次形成Zn层，Cu层和NiP镀膜，Cu层的厚度为0.2〜4g / m 2。 Cu层通过非电解电镀法形成。铝合金基板含有2.0〜6.0质量％的Mg和0.01〜0.2质量％的Cr，并且还含有选自Cu和Zn中的至少一种，使得3 [Cu] + [Zn] = 0.2〜当Cu和Zn的含量分别被定义为[Cu]和[Zn]，余量为Al和不可避免的杂质时，满足1.5质量％。版权所有（C）2003，JPO

9. 发明专利

JP2003055727A High strength aluminum brazing sheet and heat exchanger using the same 有权
标题翻译：高强度铝制烧结板和使用其的热交换器
公开(公告)号：JP2003055727A
公开(公告)日：2003-02-26
申请号：JP2001244867
申请日：2001-08-10
申请人： Kobe Steel Ltd , Shinko Alcoa Yuso Kizai Kk , 株式会社神戸製鋼所 , 神鋼アルコア輸送機材株式会社
发明人： SAISHO SUSUMU , OKAMOTO HITOSHI , SATO FUMIHIRO
IPC分类号： F28F21/08 , B23K1/00 , B23K101/14 , B23K103/10 , C22C21/00
摘要： PROBLEM TO BE SOLVED: To provide a high strength aluminum brazing sheet which has high strength after brazing and excellent brazability in both sides of brazing filler metal faces and a surface material face, and to provide a heat exchanger using the brazing sheet.
SOLUTION: Al-Si based or Al-Si-Zn based alloy brazing filler metals (2, 12) are laminated on one side of core materials (1, 10) containing, by mass, 0.5 to 2.0% Mn and 0.05 to 0.3% Mg, and a surface material 3 consisting of an Al-Mn based alloy containing 0.5 to 2.0% Mn and
摘要翻译：要解决的问题：提供一种在钎焊后具有高强度的高强度铝钎焊片，并且在钎焊金属面和表面材料面的两侧具有优异的钎焊性，并提供使用该钎焊片的热交换器。解决方案：将Al-Si基或Al-Si-Zn基合金钎料金属（2,12）层合在芯材（1,10）的一侧，其中Mn为0.5〜2.0％，Mn为0.05〜0.3％ Mg，并且由另一侧层叠由含有0.5〜2.0％Mn和<0.1％Mg的Al-Mn系合金构成的表面材料3。

10. 发明专利

JPH0623535A ALUMINUM ALLOY COMPOSITE MATERIAL FOR BRAZING 失效
公开(公告)号：JPH0623535A
公开(公告)日：1994-02-01
申请号：JP14221892
申请日：1992-05-07
申请人： KOBE STEEL LTD , NIPPON DENSO CO
发明人： FUJIMOTO HIDEO , OKAMOTO HITOSHI , HIRANO MASAKAZU , HASHIURA MITSUO , OOHARA TAKAHIDE
IPC分类号： B23K1/19 , B23K35/02 , B23K35/22 , B23K35/28 , B23K101/14 , B32B15/01 , C22C21/00
摘要： PURPOSE:To impart high strength, high corrosion resistance and excellent brazeability by cladding an Al-Si brazing filler metal on one surface of an Al alloy core material having a specific compsn. contg. Mg at a decreased ratio and cladding an Mg-contg. Al alloy on an opposite surface. CONSTITUTION:The compsn. of the core material is constituted of the Al alloy contg., by weight%, =2.5 times the thickness of the brazing filler metal 3 and 0.1 to 1mm. A remarkable effect is expected when this Al alloy composite material is assembled by a 'Alcan Nocolok(R)' welding method.

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