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1. 发明专利

JP2000271693A PRODUCTION OF MAGNESIUM ALLOY MATERIAL 失效
公开(公告)号：JP2000271693A
公开(公告)日：2000-10-03
申请号：JP8426099
申请日：1999-03-26
申请人： YKK CORP , AZUMA KENJI
发明人： KAWAZOE MASATAKA , NAGAHORA JIYUNICHI , HASHIMOTO TAKASHI , AZUMA KENJI
IPC分类号： B21J5/00 , B21J5/06 , C22C23/00
摘要： PROBLEM TO BE SOLVED: To provide a magnesium alloy material not causing a crack to the material even in one time side extrusion, capable of refining a grain size in a reduced number of processes and excellent in a mechanical property. SOLUTION: By applying the deformation of a large strain quantity corresponding to >=220% of equivalent elongation to a magnesium alloy material subjected to hot plastic working and refining an average grain of a micro structure to

2. 发明专利

JP2000271631A MANUFACTURE OF FORMED MATERIAL AND FORMED ARTICLE BY EXTRUSION 失效
公开(公告)号：JP2000271631A
公开(公告)日：2000-10-03
申请号：JP8416099
申请日：1999-03-26
申请人： AZUMA KENJI , YKK CORP
发明人： KAWAZOE MASATAKA , HASHIMOTO TAKASHI , NAGAHORA JIYUNICHI , CHRISTIAN PITAN , AZUMA KENJI
IPC分类号： B21C23/00 , B21J5/06 , C22F1/00 , C22F1/04 , C22F1/06
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a formed material and formed article by extrusion, which are excellent in working characteristics and to which extrusion forming and cold working are executable, by which the formed material and furthermore the formed article by extrusion are efficiently manufactured and defect in forming is hardly generated. SOLUTION: The material which is obtained by applying plastic deformation (strain), which is equivalent to elongation of >=220% to an alloy base-stock and micronizing an average grain size into

3. 发明专利

JPH09137244A METHOD FOR EXTRUDING ALUMINUM ALLOY AND ALUMINUM ALLOY MATERIAL HAVING HIGH STRENGTH AND HIGH TOUGHNESS OBTAINED BY THE METHOD 失效
公开(公告)号：JPH09137244A
公开(公告)日：1997-05-27
申请号：JP19832496
申请日：1996-07-08
申请人： AZUMA KENJI , YKK CORP
发明人： AZUMA KENJI , NAGAHORA JIYUNICHI , KAWAZOE MASATAKA
IPC分类号： B21C23/00 , B21C23/01 , B21C25/00 , B21C27/00 , C22C21/06 , C22F1/00 , C22F1/047 , C22F1/05
摘要： PROBLEM TO BE SOLVED: To produce an aluminum alloy material having a structure refined into the grain size of =220%, preferably, >=10000% is applied in the extruding stage to refine the average grain size in the microstructure to >=1 micron, by which the high strength and high toughness material can be produced. The extruding stage is executed at less than the recrystallization temp. of the alloy to be used, preferably, at less than the recovering temp.

4. 发明专利

JP2000271695A PRODUCTION OF MAGNESIUM ALLOY MATERIAL 失效
公开(公告)号：JP2000271695A
公开(公告)日：2000-10-03
申请号：JP8426699
申请日：1999-03-26
申请人： YKK CORP , AZUMA KENJI
发明人： KAWAZOE MASATAKA , HASHIMOTO TAKASHI , NAGAHORA JIYUNICHI , AZUMA KENJI
IPC分类号： B21J5/00 , B21J5/06 , C22C21/06 , C22C23/00
摘要： PROBLEM TO BE SOLVED: To provide a method to produce a formed part excellent in a mechanical property, not generating a crack in forming as well as porosity/blister due to gas in a forming die and hardly generating a forming defect, etc. SOLUTION: The plastic deformation corresponding to >=220% of equivalent elongation is imparted to an alloy stock, an average grain size is refined to >=10 μm, an average grain size of an intermetallic compound is refined to

5. 发明专利

JP2006291298A Aluminum alloy, and slide fastener using the alloy 审中-公开
标题翻译：铝合金和滑动紧固件使用合金
公开(公告)号：JP2006291298A
公开(公告)日：2006-10-26
申请号：JP2005114175
申请日：2005-04-12
申请人： Ykk Corp , Ykk株式会社
发明人： MISUMI HIROKO , KAWAZOE MASATAKA , KITA KAZUHIKO
IPC分类号： C22C21/06 , A44B19/02
摘要： PROBLEM TO BE SOLVED: To provide a high strength aluminum alloy maintaining mechanical properties such as strength and hardness required for a fastener material or the like.
SOLUTION: The aluminum alloy has a composition expressed by the general formula: Al
a Mg
b Cu
c , Al
d Mg
e Cu
f X
g (X denotes Mn and/or Cr), Al
h Mg
i Cu
j Zn
k or Al
l Mg
m Cu
n Zn
p X
q (X denotes Mn and/or Cr)(a to q are expressed in mass%; a, d, h, l are the balance; 4.3≤b, e, i, m≤5.5; 0.5≤c, f, j, n≤1.0; 0
摘要翻译：要解决的问题：提供一种保持机械性能如紧固件材料等所需的强度和硬度的高强度铝合金。解决方案：铝合金具有由以下通式表示的组成：Al a Mg SB C （X表示Mn和/或Cr），Al h Mg Cu （X表示Mn和/或Cr）（a〜q以质量％表示; a，d，h，l分别为余量;4.3≤b，e，i，m≤5.5;0.5≤c，f，j，n≤1.0; 0

6. 发明专利

JP2002113541A METAL WIRE, AND MANUFACTURING METHOD THEREOF 失效
公开(公告)号：JP2002113541A
公开(公告)日：2002-04-16
申请号：JP2000308852
申请日：2000-10-10
申请人： YKK CORP
发明人： MISUMI KOICHI , KAWAZOE MASATAKA , YOSHIMURA TAIJI , KITA KAZUHIKO
IPC分类号： B21F9/00
摘要： PROBLEM TO BE SOLVED: To provide a metal wire in which a secondary working such as pressing can be easily performed, and a surface or the like is less easily affected by the working, and a metal wire manufacturing method capable of easily controlling the hardness of the surface and the inside of the metal wire to a desired value. SOLUTION: In the metal wire which is continuous in the longitudinal direction and has a uniform section, the hardness of the center portion and the hardness of the surface portion are different from each other in the section, the hardness of the surface portion is higher than the hardness of the center portion, and the hardness is changed continuously or step by step from the center portion to the surface portion. In the metal wire manufacturing method, the metal wire which is long and has a uniform section is continuously transferred between a plurality of rollers 1, 2 and 3, and subjected to the work distortion without changing any wire shape by the rollers to manufacture a wire having different hardnesses in section.

7. 发明专利

JP2005288519A Electrode material and its production method 审中-公开
标题翻译：电极材料及其生产方法
公开(公告)号：JP2005288519A
公开(公告)日：2005-10-20
申请号：JP2004109876
申请日：2004-04-02
申请人： Ykk Corp , Ykk株式会社
发明人： KAWAZOE MASATAKA , TAKEYA KATSUYUKI , ITOU MIOKO , SASAKI HIROYUKI , HASEGAWA HIDEYUKI
IPC分类号： B23K35/30 , C22C9/00 , C22F1/00 , C22F1/08
摘要： PROBLEM TO BE SOLVED: To increase the mechanical properties, heat resistance and high temperature yield stress of a copper alloy material for welding, and to improve its continuous spotting properties (electrode life) as an electrode material.
SOLUTION: An alloy stock expressed by general formula of Cu
bal. Cr
a Zr
b X
c (wherein, X is at least one kind of element selected from Fe, P, Co, Si and Mn; a, b and c satisfy 0.4 wt%≤a≤1.5wt%, 0.02 wt%≤b≤0.1 wt%, and 0≤Fe+P+[Co×0.75]+[Si×0.6]+[Mn×0.35]
摘要翻译：要解决的问题：提高用于焊接的铜合金材料的机械性能，耐热性和高温屈服应力，并提高作为电极材料的连续点样性能（电极寿命）。解决方案：以通式Cu表示的合金原料。 Cr （其中X是选自Fe，P，Co，Si和Mn中的至少一种元素; a，b和c满足0.4wt％≤a≤1.5wt％，0.02wt％≤b≤0.1wt％，和 0≤Fe+ P + [Co×0.75] + [Si×0.6] + [Mn×0.35] <0.015重量％，余量为不可避免的杂质的铜）以300〜600℃的挤出比进行挤出通过如图所示的挤出法或等通道角挤压法，可以得到≥4的平均粒径≤50nm的微细晶粒的结构的电极材料沉淀到由纤维状晶粒构成的结构中，得到由平均粒径≤3μm的亚晶粒构成的短轴长度≤10μm的短轴长度。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JPH11114618A MANUFACTURE OF ALUMINUM-ALLOY METAL PLATE 失效
公开(公告)号：JPH11114618A
公开(公告)日：1999-04-27
申请号：JP29182297
申请日：1997-10-09
申请人： YKK CORP
发明人： NAGAI YOSHITAKA , HASHIMOTO TAKASHI , KAWAZOE MASATAKA
IPC分类号： B21C23/00 , B21C23/06 , B21C29/00 , B21C35/02 , C22F1/00 , C22F1/04
摘要： PROBLEM TO BE SOLVED: To provide a method by which a wide metal plate which is hard to be manufactured by rolling is manufactured and, furthermore, an aluminum- alloy metal plate is manufactured in single extrusion stage, with high productivity, at a low cost and in a short time. SOLUTION: Shear deformation is added to the aluminum alloy changing the extruding direction in the side part at the interior angle of =200% to the aluminum alloy in the extrusion process and micronizing the mean crystal grain size of the microstructure to

9. 发明专利

JPH11106858A ALUMINUM BULLETPROOF MATERIAL AND ITS PRODUCTION 失效
公开(公告)号：JPH11106858A
公开(公告)日：1999-04-20
申请号：JP27936097
申请日：1997-09-29
申请人： YKK CORP
发明人： KAWAZOE MASATAKA , NAGAHORA JIYUNICHI
IPC分类号： F41H5/02 , B21B3/00 , B21C23/00 , C22C21/06 , C22F1/00 , C22F1/047
摘要： PROBLEM TO BE SOLVED: To provide an aluminum bulletproof material excellent in penetrating resistance to high speed flying body by reducing the thickness of a sheet to be required at least by the increase of the strength and toughness of an aluminum alloy and lightening a moving body or the like. SOLUTION: This aluminum bulletproof material is the one in which penetrating resistance to a high speed flying body is improved by imparting a structure in which the average grain size of crystal grains or subcrystal grains is regulated to 0.05 to 1.0 micron thereto. Its producing method includes a stage (A) in which plastic deformation (strain) equivalent to >=220% elongation is imparted to an aluminum alloy to refine its average grain size to 1 micron and a stage (B) in which the obtd. material is subjected to rolling at 25 to 300 deg.C, and in the other manner, a stage in which, after the stage (B), heat treatment is executed at 100 to 300 deg.C for 0.5 to 3 hr as well is included. Suitably, as the stage (A), a side direction extruding stage in which the extruding direction is changed to the side direction of

10. 发明专利

JP2005081371A Electrode material and its production method 审中-公开
标题翻译：电极材料及其生产方法
公开(公告)号：JP2005081371A
公开(公告)日：2005-03-31
申请号：JP2003315170
申请日：2003-09-08
申请人： Ykk Corp , Ykk株式会社
发明人： KAWAZOE MASATAKA , HASEGAWA HIDEYUKI , TAKEYA KATSUYUKI , SASAKI HIROYUKI
IPC分类号： B23K11/30 , B23K35/02 , C22C9/00 , C22F1/00 , C22F1/08
摘要： PROBLEM TO BE SOLVED: To provide an electrode material high in toughness and electric conductivity, suppressed in alloying with the material to be welded and improved in the number of spotting on welding (welding resistance), and to provide its production method.
SOLUTION: An alloy stock expressed by general formula: Cu
bal. X
a (wherein, X is at least one kind of element selected from Cr, Zr, Fe, P and Ag; a is ≤1.5% by mass%; and the balance Cu with inevitable impurities) is extruded at a heating temperature of 300 to 500°C by applying shear deformation thereto in such a manner that the extrusion direction is changed to the side direction of
摘要翻译：要解决的问题：为了提供高韧性和导电性的电极材料，抑制与待焊接材料的合金化和焊接点焊数（焊接电阻）的提高，并提供其制造方法。
解决方案：由通式表示的合金原料：其中X是选自Cr，Zr，Fe中的至少一种元素，P和Ag; a为≤1.5质量％，余量为不可避免的杂质的Cu）在300〜500℃的加热温度下通过施加剪切变形而挤出，挤出方向变为方向的内侧角度<180°。因此，获得具有平均晶粒尺寸≤50nm的微细晶粒的结构的电极材料沉淀到由平均晶粒尺寸≤3μm的等轴晶粒构成的结构中。版权所有（C）2005，JPO＆NCIPI

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