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公开(公告)号：US06371063B1
公开(公告)日：2002-04-16
申请号：US09731818
申请日：2000-12-08
申请人： Hitoshi Oyama , Takao Nishioka , Kenji Matsunuma , Takatoshi Takikawa , Toshihiko Kaji , Nozomu Kawabe , Kouichi Sogabe
发明人： Hitoshi Oyama , Takao Nishioka , Kenji Matsunuma , Takatoshi Takikawa , Toshihiko Kaji , Nozomu Kawabe , Kouichi Sogabe
IPC分类号： F01L904
摘要： It is proposed to lessen the weight and improve the mechanical strength of a retainer of a valve open-close mechanism driven by an electromagnetic actuator used in an automotive internal combustion engine. The electromagnetic actuator is mounted in a housing mounted on an internal combustion engine body. A first stem has its tip abutting the valve, which is provided with a retainer and carries a first coil spring. A second stem is provided on the other side of an armature. The second stem has a retainer. Between this retainer and the housing, a second coil spring is mounted. At least one of these parts is made of a metal smaller in specific weight than iron or its alloy. Each retainer has a boss and an arcuate corner portion having a radius of curvature R of 1.0 mm or over between a spring abutting surface and the boss to relieve stress concentration.
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公开(公告)号：US09752220B2
公开(公告)日：2017-09-05
申请号：US13511920
申请日：2010-11-22
申请人： Takahiko Kitamura , Ryuichi Inoue , Nobuyuki Mori , Yukihiro Oishi , Osamu Mizuno , Nozomu Kawabe
发明人： Takahiko Kitamura , Ryuichi Inoue , Nobuyuki Mori , Yukihiro Oishi , Osamu Mizuno , Nozomu Kawabe
CPC分类号： C22F1/06 , B21B3/00 , B21B2015/0057 , C22C23/02 , Y10T428/1241
摘要： There are provided a magnesium alloy coil stock having good flatness and a method for producing the magnesium alloy coil stock, and a magnesium alloy structural member that uses the coil stock and a method for producing the magnesium alloy structural member. The coil stock is obtained by coiling a sheet composed of a magnesium alloy in a cylindrical shape, and the internal diameter of the coil stock is 1000 mm or less. The coil stock can be produced by rolling a cast material obtained by subjecting a magnesium alloy to continuous casting, subjecting the rolled sheet to warm leveling, and coiling the worked sheet in a cylindrical shape while the temperature just before coiling is decreased to 100° C. or less.
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公开(公告)号：US09334554B2
公开(公告)日：2016-05-10
申请号：US13382826
申请日：2010-06-08
申请人： Takahiko Kitamura , Yukihiro Oishi , Nozomu Kawabe
发明人： Takahiko Kitamura , Yukihiro Oishi , Nozomu Kawabe
摘要： A magnesium alloy sheet having good press formability, a magnesium alloy structural member produced by pressing the sheet, and a method for producing a magnesium alloy sheet are provided. The magnesium alloy sheet is composed of a magnesium alloy containing Al and Mn. When a region from a surface of the alloy sheet to 30% of the thickness of the alloy sheet in a thickness direction of the magnesium alloy sheet is defined as a surface region and when a 200 μm2 sub-region is arbitrarily selected from this surface region, the number precipitated impurity grains containing both Al and Mg and having a maximum diameter of 0.5 to 5 μm is 5 or less. When a 50 μm2 sub-region is arbitrarily selected from the surface region, the number of crystallized impurity grains containing both Al and Mn and having a maximum diameter of 0.1 to 1 μm is 15 or less. In the grains of the crystallized phases, the mass ratio Al/Mn of Al to Mn is 2 to 5. The magnesium alloy sheet has good press formability since the crystallized phases and precipitates that cause breaking are small in amounts contained and in size.
摘要翻译： 提供具有良好压制成形性的镁合金板，通过压制该片制造的镁合金结构件以及镁合金板的制造方法。 镁合金板由含有Al和Mn的镁合金构成。 当从合金薄板的表面到合金薄板的厚度方向的厚度在镁合金板的厚度方向上的区域被定义为表面区域时，当从该表面区域任意选择200μm2的子区域时 含有Al和Mg两者的最大直径为0.5〜5μm的杂质颗粒数为5个以下。 当从表面区域任意选择50μm2的子区域时，含有Al和Mn，最大直径为0.1〜1μm的结晶杂质粒子的数量为15以下。 在结晶相的晶粒中，Al与Mn的质量比Al / Mn为2〜5。镁合金板具有良好的压制成形性，因为结晶相和引起断裂的析出物的含量和尺寸小。
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64.发明申请公开(公告)号：US20130315778A1
公开(公告)日：2013-11-28
申请号：US13985430
申请日：2012-02-13
申请人： Yukihiro Oishi , Nobuyuki Mori , Ryuichi Inoue , Masaaki Fujii , Masahiko Ito , Nozomu Kawabe
发明人： Yukihiro Oishi , Nobuyuki Mori , Ryuichi Inoue , Masaaki Fujii , Masahiko Ito , Nozomu Kawabe
摘要： Provided are a rolled Mg alloy material whose mechanical properties are locally different in a width direction, a Mg alloy structural member produced by plastically working the rolled Mg alloy material, and a method for producing the rolled Mg alloy material. The method for producing a rolled Mg alloy material includes rolling a Mg alloy material with a reduction roll. The reduction roll has three or more regions in the width direction. The temperature is controlled in each of the regions so that a difference between a maximum temperature and a minimum temperature exceeds 10° C. in the width direction of a surface of the reduction roll. The rolled state in the width direction is varied by varying a difference in temperature over the width direction of the reduction roll. As a result, it is possible to produce a rolled Mg alloy material whose mechanical properties are locally different in the width direction.
摘要翻译： 本发明提供一种轧制Mg合金材料，其机械性能在宽度方向上局部不同，通过对Mg合金材料进行塑性加工而制造的Mg合金结构件，以及轧制的Mg合金材料的制造方法。 轧制Mg合金材料的制造方法包括用还原辊轧制Mg合金材料。 还原辊在宽度方向上具有三个以上的区域。 在每个区域中控制温度，使得最大温度和最低温度之间的差异在还原辊的表面的宽度方向上超过10℃。 通过改变在压下辊的宽度方向上的温度差来改变宽度方向上的轧制状态。 结果，可以生产机械性能在宽度方向局部不同的轧制Mg合金材料。
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公开(公告)号：US08308878B2
公开(公告)日：2012-11-13
申请号：US10479433
申请日：2002-05-16
申请人： Yukihiro Oishi , Nozomu Kawabe
发明人： Yukihiro Oishi , Nozomu Kawabe
IPC分类号： C22C23/00
摘要： Magnesium-based alloy wire excelling in strength and toughness, its method of manufacture, and springs in which the magnesium-based alloy wire is utilized are made available. The magnesium-based alloy wire contains, in mass %, 0.1 to 12.0% Al, and 0.1 to 1.0% Mn, and is provided with the following constitution. Diameter d that is 0.1 mm or more and 10.0 mm or less; length L that is 1000 d or more; tensile strength that is 250 MPa or more; necking-down rate that is 15% or more; and elongation that is 6% or more. Such wire is produced by draw-forming it at a working temperature of 50° C. or more, and by heating it to a temperature of 100° C. or more and 300° C. or less after the drawing process has been performed.
摘要翻译： 镁合金丝的强度和韧性优良的镁基合金线及其制造方法以及使用镁基合金丝的弹簧都可以使用。 镁基合金丝以质量％计含有0.1〜12.0％的Al和0.1〜1.0％的Mn，并具有以下结构。 直径d为0.1mm以上且10.0mm以下; 长度L为1000 d以上; 拉伸强度为250MPa以上; 收缩率为15％以上; 伸长率为6％以上。 通过在50℃以上的工作温度下进行拉伸成形，并且在进行拉伸处理之后将其加热至100℃以上且300℃以下的温度来制造。
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公开(公告)号：US20120276402A1
公开(公告)日：2012-11-01
申请号：US13511920
申请日：2010-11-22
申请人： Takahiko Kitamura , Ryuichi Inoue , Nobuyuki Mori , Yukihiro Oishi , Osamu Mizuno , Nozomu Kawabe
发明人： Takahiko Kitamura , Ryuichi Inoue , Nobuyuki Mori , Yukihiro Oishi , Osamu Mizuno , Nozomu Kawabe
CPC分类号： C22F1/06 , B21B3/00 , B21B2015/0057 , C22C23/02 , Y10T428/1241
摘要： There are provided a magnesium alloy coil stock having good flatness and a method for producing the magnesium alloy coil stock, and a magnesium alloy structural member that uses the coil stock and a method for producing the magnesium alloy structural member. The coil stock is obtained by coiling a sheet composed of a magnesium alloy in a cylindrical shape, and the internal diameter of the coil stock is 1000 mm or less. When a test piece 1 for warpage amount obtained by cutting the coil stock is paced on a horizontal table 100, the ratio of the maximum distance h in a vertical direction regarding a gap 110 between the test piece 1 and the horizontal table 100 relative to the width w of the test piece 1 is 0.5% or less. The coil stock can be produced by rolling a cast material obtained by subjecting a magnesium alloy to continuous casting, subjecting the rolled sheet to warm leveling, and coiling the worked sheet in a cylindrical shape while the temperature just before coiling is decreased to 100° C. or less. By sufficiently decreasing the temperature just before coiling, there is provided a coiled sheet with good flatness in which warpage in the width direction is not easily formed even if the number of turns is large and curling is not easily formed even if the coiling diameter is small.
摘要翻译： 提供了一种具有良好平坦度的镁合金线圈原料和一种镁合金线圈原料的制造方法，以及使用该线圈原料的镁合金结构件和一种镁合金结构件的制造方法。 线圈坯料通过将由镁合金构成的片卷绕成圆筒状而线圈原料的内径为1000mm以下而得到。 当通过切割线圈原料获得的翘曲量的测试件1在水平台100上进行时，在垂直方向上的最大距离h与测试片1和水平台100之间的间隙110相对于 试验片1的宽度w为0.5％以下。 线圈坯料可以通过轧制通过镁合金连续铸造获得的铸造材料，对轧制板进行温和调平，并将加工后的片材卷绕成圆筒形，同时将卷取前的温度降低至100℃ 。 或更少。 通过充分降低卷取前的温度，提供了即使匝数大，卷尺不易形成的宽度方向的翘曲也不容易形成的平面度良好的螺旋片，即使卷绕直径小 。
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公开(公告)号：US08062439B2
公开(公告)日：2011-11-22
申请号：US10497664
申请日：2003-06-03
申请人： Kenichi Shimizu , Nozomu Kawabe , Akira Kishimoto
发明人： Kenichi Shimizu , Nozomu Kawabe , Akira Kishimoto
CPC分类号： C22C23/02 , B21B3/00 , B21B27/06 , B21B45/004 , B21B2045/0236 , C22C23/04 , C22F1/06
摘要： A magnesium alloy sheet having an adequate strength and an excellent bendability is provided along with a method of manufacturing such an alloy sheet. The method comprises, rolling a magnesium alloy sheet through a reduction roll, the alloy thereof containing about 0.1-10.0 mass % of Al and about 0.1-4.0 mass % of Zn, wherein the magnesium alloy sheet has a surface temperature of about 100° C. or below at the time just before it is fed in the reduction roll, and the reduction roll has a surface temperature in the range of about 100° C. to 300° C. Particularly, when executing multipass rolling, at least the last pass is accomplished in non-preheat rolling wherein the magnesium alloy sheet and the reduction roll have specified surface temperatures, respectively.
摘要翻译： 提供具有足够的强度和优异的弯曲性的镁合金板以及这种合金板的制造方法。 该方法包括：通过还原辊轧制镁合金板，其合金含有约0.1-10.0质量％的Al和约0.1-4.0质量％的Zn，其中镁合金板的表面温度为约100℃ 以下，在还原辊供给之前的时刻，还原辊的表面温度在约100℃〜300℃的范围内。特别地，当进行多次轧制时，至少最后通过 在非预热轧制中完成，其中镁合金板和还原辊分别具有规定的表面温度。
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公开(公告)号：US20110229733A1
公开(公告)日：2011-09-22
申请号：US13131179
申请日：2009-11-12
申请人： Masatada Numano , Ryuichi Inoue , Nobuyuki Okuda , Nozomu Kawabe , Koji Mori , Nobuyuki Mori , Yukihiro Oishi , Takahiko Kitamura
发明人： Masatada Numano , Ryuichi Inoue , Nobuyuki Okuda , Nozomu Kawabe , Koji Mori , Nobuyuki Mori , Yukihiro Oishi , Takahiko Kitamura
IPC分类号： B32B3/00
CPC分类号： C22C23/02 , B23K31/02 , B23K35/3602 , B23K2103/15 , C21D2251/00 , C22F1/00 , C22F1/06 , Y02P10/212 , Y10T428/12729
摘要： A plurality of magnesium alloy parts are joined to one another through an inorganic joining layer (an reinforcing material 2, a boss 3, and a pin 4 are joined to a base material 1). Concrete examples of the inorganic joining layer include a layer of an inorganic adhesive and a metal thin film formed on the magnesium alloy part at the time of hot cladding. Because the magnesium alloy parts are joined together through the inorganic joining layer, in comparison with the case where a reinforcing material and the like are formed by machining, waste of the material can be reduced. The use of the inorganic joining layer can produce a magnesium alloy structural member that does not generate hazardous smoke and soot even when it is melted for recycling.
摘要翻译： 多个镁合金部件通过无机接合层（增强材料2，凸台3，销4接合到基材1）彼此接合。 无机接合层的具体实例包括在热包层时在镁合金部件上形成的无机粘合剂层和金属薄膜。 由于通过无机接合层将镁合金部件接合在一起，与通过机械加工形成增强材料等的情况相比，可以减少材料的浪费。 无机接合层的使用可以产生即使在熔融再循环时也不产生危险烟雾和烟灰的镁合金结构件。
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公开(公告)号：US20080279715A1
公开(公告)日：2008-11-13
申请号：US11597793
申请日：2006-03-24
申请人： Nobuyuki Mori , Nozomu Kawabe
发明人： Nobuyuki Mori , Nozomu Kawabe
CPC分类号： C22C23/02 , B21B1/26 , B21B3/00 , B22D11/001 , C22F1/08
摘要： The present invention provides a method for producing a magnesium alloy sheet capable of producing a magnesium alloy sheet having excellent plastic workability such as press workability. The method of the present invention includes rolling a magnesium alloy blank with a reduction roll. The rolling includes controlled rolling performed under the following conditions (1) and (2) wherein M (% by mass) is the Al content in a magnesium alloy constituting the blank: (1) the surface temperature Tb (° C.) of the magnesium alloy blank immediately before insertion into the reduction roll satisfies the following expression: 8.33×M+135≦Tb≦8.33×M+165 wherein 1.0≦M≦10.0; and (2) the surface temperature Tr of the reduction roll is 150° C. to 180° C.
摘要翻译： 本发明提供一种能够生产具有优异的塑性加工性如压制加工性的镁合金板的镁合金板的制造方法。 本发明的方法包括用还原辊轧制镁合金坯料。 轧制包括在以下条件（1）和（2）中进行的控制轧制，其中M（质量％）是构成坯料的镁合金中的Al含量：（1）表面温度Tb（℃） 在插入还原辊之前的镁合金坯料满足以下表达式：＆lt;线内公式描述=“在线公式”end =“lead”？> 8.33xM + 135 <= Tb <= 8.33xM + 165 <？in-line-formula description =“In-line Formulas”end =“tail”？>其中1.0 <= M <= 10.0; 和（2）还原辊的表面温度Tr为150℃至180℃。
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公开(公告)号：US20070023114A1
公开(公告)日：2007-02-01
申请号：US11470636
申请日：2006-09-07
申请人： Yukihiro Oishi , Nozomu Kawabe
发明人： Yukihiro Oishi , Nozomu Kawabe
IPC分类号： C22F1/06
摘要： Magnesium-based alloy wire excelling in strength and toughness, its method of manufacture, and springs in which the magnesium-based alloy wire is utilized are made available. The magnesium-based alloy wire contains, in mass %, 0.1 to 12.0% Al, and 0.1 to 1.0% Mn, and is provided with the following constitution. Diameter d that is 0.1 mm or more and 10.0 mm or less; length L that is 1000d or more; tensile strength that is 250 MPa or more; necking-down rate that is 15% or more; and elongation that is 6% or more. Such wire is produced by draw-forming it at a working temperature of 50° C. or more, and by heating it to a temperature of 100° C. or more and 300° C. or less after the drawing process has been performed.
摘要翻译： 镁合金丝的强度和韧性优良的镁基合金线及其制造方法以及使用镁基合金丝的弹簧都可以使用。 镁基合金丝以质量％计含有0.1〜12.0％的Al和0.1〜1.0％的Mn，并具有以下结构。 直径d为0.1mm以上且10.0mm以下; 长度L为1000d以上; 拉伸强度为250MPa以上; 收缩率为15％以上; 伸长率为6％以上。 通过在50℃以上的工作温度下进行拉伸成形，并且在进行拉伸处理之后将其加热至100℃以上且300℃以下的温度来制造。
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