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41. 发明专利

JP2005139537A Aluminum alloy sheet having excellent baking finish hardenability 有权
标题翻译：铝合金板具有优异的烘烤整理性
公开(公告)号：JP2005139537A
公开(公告)日：2005-06-02
申请号：JP2003380004
申请日：2003-11-10
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： MATSUMOTO KATSUSHI , SUGIZAKI YASUAKI
IPC分类号： C22C21/06 , C22C21/02
摘要： PROBLEM TO BE SOLVED: To provide an Al-Mg-Si based Al alloy sheet which secures a formability by lowering a proof stress at the time of press forming, and the proof stress is increased due to an age hardening by coating/baking treatment for a panel after a forming process to secure the required strength, and which has an excellent baking finish hardenability.
SOLUTION: The Al-Mg-Si based aluminum alloy sheet contains 0.2 to 2.5% Mg and 0.3 to 2.0% Si, and the balance Al with impurities. In a differential scanning thermal analysis curve after a tempering treatment, the peak height W
1 of heat generation in the temperature range of 100 to 200°C is ≥50 μW, and also, the ratio of the peak height W
2 of heat generation in the temperature range of 200 to 300°C to the peak height W
1 of the heat generation, W
2 /W
1 is ≤20.0.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供一种Al-Mg-Si系Al合金薄板，其通过降低压制成形时的耐力而确保成形性，并且由于通过涂布/ 在成形过程之后对面板进行烘烤处理以确保所需的强度，并且具有优异的烘烤终点淬透性。解决方案：Al-Mg-Si系铝合金板含有0.2〜2.5％的Mg和0.3〜2.0％的Si，余量为含有杂质。在回火处理后的差示扫描热分析曲线中，100〜200℃的温度范围内的发热的峰高W 1 ≥50μW，峰值在200〜300℃的温度范围内的发热的高度W 2 与发热的峰高W 1 W 2 / W 1 ≤20.0。版权所有（C）2005，JPO＆NCIPI

42. 发明专利

JP2004268062A Method for estimating acicular ferrite transformation ratio in weld metal zone, and method for estimating characteristic of weld metal zone 有权
公开(公告)号：JP2004268062A
公开(公告)日：2004-09-30
申请号：JP2003058861
申请日：2003-03-05
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： MURAKAMI TOSHIO , NANBA SHIGENOBU , TAKEDA HIROYUKI , SUGIZAKI YASUAKI , SEKI YUICHI
IPC分类号： G01N33/20 , B23K9/095
摘要： PROBLEM TO BE SOLVED: To provide a method for easily estimating the acicular ferrite transformation ratio in a weld metal zone at high precision, and to provide a method for estimating the mechanical properties of a weld metal zone based on the estimating method at high precision.
SOLUTION: The method for estimating the acicular ferrite transformation ratio in a weld metal zone formed by a single path or a plurality of paths comprises: (a) a fundamental information calculating means for calculating the composition of a weld metal zone, information on crystallized products, and cooling temperature history from a first welding path to a final welding path, on the basis of each component of the base material and the welding material and the welding condition; (b) an acicular ferrite transformation ratio estimating means where the acicular ferrite transformation ratio in the weld metal zone upon the end of the final welding path is estimated based on the transformation starting temperature and transformation finishing temperature of acicular ferrite calculated by thermodynamic calculation.
COPYRIGHT: (C)2004,JPO&NCIPI

43. 发明专利

JP2003286552A METHOD FOR MANUFACTURING Al-Mg-Si ALLOY SHEET 有权
标题翻译：制备Al-Mg-Si合金薄片的方法
公开(公告)号：JP2003286552A
公开(公告)日：2003-10-10
申请号：JP2002092740
申请日：2002-03-28
申请人： Kobe Steel Ltd , 株式会社神戸製鋼所
发明人： MATSUMOTO KATSUSHI , SUGIZAKI YASUAKI
IPC分类号： C22F1/05 , C22C21/02 , C22C21/06 , C22F1/00
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an Al-Mg-Si alloy sheet which has satisfactory formability (particularly, a bulge formability) and superior surface properties, further has a satisfactory bake hardening property in an artificial aging treatment after forming, and consequently satisfies a requirement of high strength, even in a process of omitting an intermediate annealing step before cold rolling, for the purpose of reducing a manufacturing cost. SOLUTION: This manufacturing method comprises, when manufacturing an Al alloy sheet containing 0.1-3% Mg and 0.1-2.5% Si, controlling the average particle diameter (d) of precipitates after hot rolling to 0.5 μm or more, cold rolling it along with omitting intermediate annealing, and subjecting it to solution heat treatment in a temperature range of 500°C or higher in such a condition as to satisfy the expression (1): P≥0.0024d+0.0004...(1), wherein P=∫[D(T(t))] 1/2 dt, [where, D(T(t))=0.9exp[-15395/T(t); and T(t) means a function of a temperature T (by absolute temperature) in a time (t) (second) during being kept at 500°C or higher]. COPYRIGHT: (C)2004,JPO
摘要翻译：解决问题的方案为了提供一种具有令人满意的成形性（特别是凸出成形性）和优异的表面性能的Al-Mg-Si合金板的制造方法，在人造时效处理中还具有令人满意的烘烤硬化性为了降低制造成本，即使在省略冷轧前的中间退火工序的工序中，也能够满足高强度的要求。解决方案：该制造方法包括当制造含有0.1-3％Mg和0.1-2.5％Si的Al合金板时，控制热轧后的析出物的平均粒径（d）为0.5μm以上，冷轧在省略中间退火的同时，在满足式（1）的条件下，在500℃以上的温度范围进行固溶热处理：P≥0.0024d+ 0.0004 ...（1）其中P =∫[D（T（t））] 1/2 dt，其中，D（T（t））= 0.9exp [-15395 / T（t） T（t）表示在保持在500℃以上的时间（t）（秒）内的温度T（绝对温度）的函数。版权所有（C）2004，JPO

44. 发明专利

JP2003211284A ALUMINUM ALLOY WIRE FOR WELDING 审中-公开
公开(公告)号：JP2003211284A
公开(公告)日：2003-07-29
申请号：JP2002009191
申请日：2002-01-17
申请人： KOBE STEEL LTD
发明人： MIZUNO MASAO , KAJIWARA KATSURA , MORISHITA MAKOTO , SUGIZAKI YASUAKI , OGINOYA HIKARI
IPC分类号： B23K35/28 , B23K35/40 , C22C21/06
摘要： PROBLEM TO BE SOLVED: To provide a wire with which stable arc-welding can be secured by improving feedability of the aluminum alloy wire for welding. SOLUTION: In the aluminum alloy wire for welding, containing 1.5-6 mass% Mg, in the case of using X as a cast diameter and Y as proof stress of the wire, this aluminum alloy wire for welding satisfies the following formulas (1)-(3). 250≤X≤550 (mm)...(1), 400≤Y≤550 (N/mm 2 )...(2), Y≤(X+1100)/3...(3). COPYRIGHT: (C)2003,JPO

45. 发明专利

JP2003191094A ALUMINUM ALLOY WIRE FOR WELDING 审中-公开
公开(公告)号：JP2003191094A
公开(公告)日：2003-07-08
申请号：JP2001395127
申请日：2001-12-26
申请人： KOBE STEEL LTD
发明人： KAJIWARA KATSURA , SUGIZAKI YASUAKI , MIZUNO MASAO , MORISHITA MAKOTO , OGINOYA HIKARI
IPC分类号： B23K35/28 , B23K35/40 , C22C21/06
摘要： PROBLEM TO BE SOLVED: To provide an aluminum alloy wire for welding which permits stable arc welding by assuring good feedability even in the state that the wire is wound like a coil. SOLUTION: The aluminum alloy wire for welding is an aluminum alloy wire for welding wound like a coil, in which the residual tension on the loop side surface of the coil winding is a tensile stress. The residual stress on the back side surface of the coil winding is preferably a tensile stress below 300 MPa. COPYRIGHT: (C)2003,JPO

46. 发明专利

JP2003130014A BOLT FRICTION BONDING METHOD AND FILLER MATERIAL FOR BOLT FRICTION BONDING 审中-公开
公开(公告)号：JP2003130014A
公开(公告)日：2003-05-08
申请号：JP2001324423
申请日：2001-10-23
申请人： KOBE STEEL LTD , TAKENAKA KOMUTEN CO
发明人： MAKII KOICHI , SUGIZAKI YASUAKI , KUSHIBE ATSUMICHI , OGAWA TAKATOSHI
IPC分类号： E04B1/58 , C22C18/04 , E04B1/61 , F16B5/02
摘要： PROBLEM TO BE SOLVED: To provide a bolt friction method and filler material used for the method having a good workability and superior bonding stability. SOLUTION: Splice plates 2 and 2 are overlapped on bonded steel plates 1 and 1 arranged in a butting state via filler materials 3 and 3 formed by age hardening metal, the bonded steel plates 1 and 1 and splice plates 2 and 2 are fastened by bolts 4, and then the filler material 3 is age-hardened by applying aging treatment in which the filler material 3 is heated. The filler material satisfies 30 to 60% for respective Ypf/Yps and Ypf/Ypj, more than and equal to 150% for Ypfa/Ypf, and 50 to 1500% for (Rzj+Rzs)/tf when surface roughness Rzj (μm) and yield strength Ypj at a mating surface side of the bonded steel plate are set at Rzj (μm) and Ypj respectively, surface roughness and yield strength at a mating surface side of the splice plate are set at Rzs (μm) and Yps respectively, thickness of the filler material is set at tf (μm), and yield strength before the aging treatment and yield strength after aging treatment are set at Ypf and Ypfa respectively.

47. 发明专利

JP2002339028A COPPER ALLOY FOR ELECTRIC OR ELECTRONIC PART, AND ELECTRIC OR ELECTRONIC PART USING THE SAME 失效
公开(公告)号：JP2002339028A
公开(公告)日：2002-11-27
申请号：JP2001148047
申请日：2001-05-17
申请人： KOBE STEEL LTD
发明人： KAJIWARA KATSURA , ARIGA YASUHIRO , SUGIZAKI YASUAKI , HENMI YOSHIO
IPC分类号： C22C9/00
摘要： PROBLEM TO BE SOLVED: To provide an Fe-containing copper alloy for electric or electronic parts which has better workability than the conventional Fe-containing copper alloy electronic parts, and to provide electric or electronic parts which have excellent quality. SOLUTION: [1] The Fe-containing copper alloy for electric or electronic parts in which a ratio between an X-ray diffraction intensity in the (200) plane and that in the (220) plane is 0.5 to 10, is provided. [2] The Fe-containing copper alloy for electric or electronic parts in which an orientation density in the Cube orientation is 1 to 50, is provided. [3] The Fe-containing copper alloy for electric or electronic parts in which a ratio between an orientation density (1 to 50) in the Cube orientation and that in the S orientation is 0.1 to 5, is provided. [4] The electric or electronic parts are consisting of those copper alloys.

48. 发明专利

JP2001220638A ALUMINUM ALLOY EXCELLENT IN SURFACE QUALITY AND COMPONENT DESIGNING METHOD THEREFOR 失效
公开(公告)号：JP2001220638A
公开(公告)日：2001-08-14
申请号：JP2000030880
申请日：2000-02-08
申请人： KOBE STEEL LTD
发明人： KAJIWARA KATSURA , SUGIZAKI YASUAKI , SEKI YUICHI
IPC分类号： C22C21/00
摘要： PROBLEM TO BE SOLVED: To provide an aluminum alloy satisfying various characteristics to be required and moreover excellent in surface quality and to provide a component designing method therefor. SOLUTION: In a multicomponent aluminum alloy containing Fe, Si and other alloying elements by one or more components, an aluminum alloy in which the solid-liquid coexisting temperature range is 30 deg.C or less, and, in intermetallic compounds of 0.5 μm or more, the ratio of the number of the compounds, in which the content of the above other alloying laments is 50% or more, is 30% or les is excellent in surface quality. For designing the above aluminum alloy, the liquid phase temperature and the solid phase temperature of the above aluminum alloys in variety are measured or calculated, the solid- liquid coexisting temperature range in which the unevenness of etching exceeding an allowable range starts to be generated is investigated, and the respective contents of the above other alloying elements are decided so as to be controlled to this temperature range.

49. 发明专利

JP2000239811A MANUFACTURE FOR ALUMINUM ALLOY SHEET EXCELLENT IN FORMABILITY 失效
公开(公告)号：JP2000239811A
公开(公告)日：2000-09-05
申请号：JP4680999
申请日：1999-02-24
申请人： KOBE STEEL LTD
发明人： SUGIZAKI YASUAKI , MATSUMOTO KATSUSHI , SEKI YUICHI
IPC分类号： C22F1/05 , C22C21/02 , C22C21/06 , C22F1/00 , C22F1/04
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an Al-Mg-Si alloy excellent in press formability (bulge formability in particular). SOLUTION: In the method for manufacturing the Al-Mg-Si-type aluminum alloy sheet, cold rolling is performed at >=50% draft by using an intermediate material having >=45% IACS electric conductivity and also having recrystallized structure in the stage before cold rolling, and further, solution heat treatment is done under the condition of =500 deg.C final solution heat treatment temperature. Moreover, it is preferable to regulate the Mg-content and Si content in the aluminum alloy sheet to 0.3-1.5 mass % and 0.3-1.5 mass %, respectively. Further, it is recommended to incorporate one or more elements selected from the group consisting of Mn, Cr, Zr, V, and Ti.

50. 发明专利

JP2000178673A INTERMEDIATE MATERIAL OF HIGH FORMABILITY ALUMINUM ALLOY SHEET 失效
公开(公告)号：JP2000178673A
公开(公告)日：2000-06-27
申请号：JP35189898
申请日：1998-12-10
申请人： KOBE STEEL LTD
发明人： SUGIZAKI YASUAKI , MATSUMOTO KATSUSHI , SEKI YUICHI
IPC分类号： C22C21/02 , C22C21/06
摘要： PROBLEM TO BE SOLVED: To provide an intermediate material suitable for affording an Al-Mg-Si alloy excellent in press formability (particularly, bulging formability). SOLUTION: In an intermediate material of an Al-Mg-Si aluminum alloy sheet, a recrystallized structure is allowed to exist in the stage before cold rolling, and, further, its electric conductivity is controlled to >=45% IACS. The content of Mg in the aluminum alloy sheet is, by mass, 0.3 to 1.5%, the content of Si is preferably controlled to 0.3 to 1.5%, moreover, it is admired that one or more kinds selected from the group consisting of Mn, Cr, Zr, V and Ti are incorporated, and, in the case, as to the content of each element,

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