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1. 发明授权

US09481920B2 Aluminium alloy forging and method of manufacture for same 有权
标题翻译：铝合金锻造及其制造方法
公开(公告)号：US09481920B2
公开(公告)日：2016-11-01
申请号：US13634731
申请日：2011-03-08
申请人： Masayuki Hori , Yoshiya Inagaki
发明人： Masayuki Hori , Yoshiya Inagaki
IPC分类号： C22C21/08 , C22F1/05 , C22C21/02 , B21J1/06 , B21K1/74 , C22F1/00 , C22C21/06 , B22D21/00
CPC分类号： C22C21/02 , B21J1/06 , B21K1/74 , B22D21/007 , C22C21/06 , C22C21/08 , C22F1/00 , C22F1/05
摘要： Disclosed is an aluminum alloy forging for use in automotive suspension parts and the like, and a method of manufacture for same. The aluminum alloy forging contains Si 0.4-1.5 wt %, Fe greater than 0.4 wt % and equal to or less than 1.0 wt %, Cu equal to or less than 0.40 wt %, Mg 0.8-1.3 wt % and Ti 0.01-0.1 wt %; Zn is restricted to equal to or less than 0.05 wt %; and the aluminum alloy forging contains at least one selected from among the following group comprising: Mn 0.01-1.0 wt % and Cr 0.1-0.4%; and Zr 0.05-0.2 wt %. Hydrogen content is restricted to 0.25 ml or less per 100 g of Al, and the remainder is composed of unavoidable impurities and Al. The average grain size is 50 μm or less, the crystallized area ratio is 3% or less, and the average crystallized grain size is 8 μm or less.
摘要翻译：公开了一种用于汽车悬架部件等的铝合金锻造及其制造方法。铝合金锻造含有0.4-1.5重量％的Si，大于0.4重量％且等于或小于1.0重量％的Fe，等于或小于0.40重量％的Cu，0.8-1.3重量％的Mg和Ti 0.01-0.1重量％％; Zn限制在0.05重量％以下; 铝合金锻造中含有选自Mn：0.01〜1.0重量％，Cr：0.1-0.4重量％的至少一种。和Zr 0.05-0.2重量％。每100g Al中氢含量限制在0.25ml或更少，其余由不可避免的杂质和Al组成。平均粒径为50μm以下，结晶面积率为3％以下，平均结晶粒径为8μm以下。

2. 发明授权

US06678574B2 Method for producing suspension parts of aluminum alloy 有权
标题翻译：铝合金悬挂件的制造方法
公开(公告)号：US06678574B2
公开(公告)日：2004-01-13
申请号：US09972940
申请日：2001-10-10
申请人： Takumi Fujii , Koji Takeuchi , Hiroyuki Tsutsumi , Yoshiya Inagaki , Atumi Fukuda
发明人： Takumi Fujii , Koji Takeuchi , Hiroyuki Tsutsumi , Yoshiya Inagaki , Atumi Fukuda
IPC分类号： G06F1900
CPC分类号： B21K1/26 , B21J1/04 , B21J5/00 , B21J5/02 , B21K1/76 , B60G7/001 , B60G2206/10 , B60G2206/7102 , B60G2206/81 , B60G2206/8101 , B60G2206/8105 , B60G2206/8106 , Y10T29/49622
摘要： A method for producing suspension parts via preforming the workpiece by roll forming. The sectional area and length of the workpiece are calculated. In the former step, more than one orthogonal cross-section is acquired from the suspension part of aluminum alloy, and the sectional area is converted into the area of a circle. An imaginary area is calculated by adding to the converted area an adequate amount of flash. In the latter step, a circular truncated cone is defined from two adjacent imaginary circles and the length of the imaginary center line between the two adjacent imaginary circles. A solid of revolution is defined by connecting these circular truncated cones, and the volume of the suspension part of aluminum alloy is substituted by the volume of the solid of revolution. The value obtained by dividing the sectional area of the workpiece by the volume is regarded as the-length of the workpiece.
摘要翻译：一种通过辊轧成型预成形工件来制造悬挂部件的方法。计算工件的截面积和长度。在前一步骤中，从铝合金的悬挂部分获取多于一个正交横截面，并将截面积转换成圆的面积。通过向转换的区域添加足够量的闪光来计算虚拟区域。在后一步骤中，圆形截锥体由两个相邻的假想圆和两个相邻虚圆之间的假想中心线的长度定义。通过连接这些圆形截锥体来限定旋转实体，铝合金的悬挂部分的体积被旋转体积的体积所代替。通过将工件的截面积除以体积而获得的值被认为是工件的长度。

3. 发明授权

US08152940B2 Aluminum alloy forging member and process for producing the same 有权
标题翻译：铝合金锻造件及其制造方法
公开(公告)号：US08152940B2
公开(公告)日：2012-04-10
申请号：US12279189
申请日：2007-03-23
申请人： Manabu Nakai , Yoshiya Inagaki , Atsumi Fukuda
发明人： Manabu Nakai , Yoshiya Inagaki , Atsumi Fukuda
IPC分类号： C22C21/08 , C22F1/05
CPC分类号： B21K1/12 , C22C21/02 , C22C21/06 , C22F1/00 , C22F1/05
摘要： The present invention provides an aluminum alloy forging material having enhanced strength, toughness, and corrosion resistance, and a method of producing the material. An aluminum alloy forging material 1 produced with specified components under specified conditions has an arm portion 2 including a relatively narrow and thick peripheral rib 3 and a thin and relatively wide central web 4 having a thickness of 10 mm or less and having a substantially H-shaped sectional form. In a width-direction section of a maximum stress producing site of the rib 3a, the density of crystals observed in the structure of a sectional portion 7 where the maximum stress is produced, the spacing of grain boundary precipitates and the size and density of dispersed particles observed in the structure of a sectional portion 8 including a parting line, the recrystallization ratio observed in each of the sectional portions 7 and 8 of the rib, and the recrystallization ratio observed in a sectional portion 9 of the web 4a adjacent to the sectional structure of the rib 3a in the width direction are defined for enhancing the strength, toughness, and corrosion resistance of the aluminum alloy forging material.
摘要翻译：本发明提供一种具有提高强度，韧性和耐腐蚀性的铝合金锻造材料及其制造方法。在特定条件下用特定部件制造的铝合金锻造材料1具有臂部分2，该臂部分2包括相对窄且厚的周缘肋3和厚度为10mm或更小的薄而相对宽的中央腹板4，形截面形式。在肋3a的最大应力产生部位的宽度方向截面中，在产生最大应力的截面部7的结构中观察到的结晶的密度，晶界析出物的间隔和分散的尺寸和密度在包括分型线的截面部分8的结构中观察到的颗粒，在肋的每个截面部分7和8中观察到的再结晶比，以及在与断面相邻的纤维网4a的截面部分9中观察到的再结晶比为了提高铝合金锻造材料的强度，韧性和耐腐蚀性，限定了肋3a在宽度方向上的结构。

4. 发明申请

US20100089503A1 ALUMINUM ALLOY FORGINGS AND PROCESS FOR PRODUCTION THEREOF 有权
标题翻译：铝合金锻造及其生产工艺
公开(公告)号：US20100089503A1
公开(公告)日：2010-04-15
申请号：US12527083
申请日：2008-03-13
申请人： Yoshiya Inagaki , Manabu Nakai , Atsumi Fukuda
发明人： Yoshiya Inagaki , Manabu Nakai , Atsumi Fukuda
IPC分类号： C22F1/043 , C22C21/02
CPC分类号： C22C21/02 , B21J5/00 , C22C21/06 , C22C21/08 , C22F1/00 , C22F1/05
摘要： There are provided an aluminum alloy forging having high strength, toughness, and resistance to corrosion in response to the thinning of automotive underbody parts, and a process for production thereof.The aluminum alloy forging includes an aluminum alloy containing predetermined amounts of Mg, Si, Mn, Fe, Zn, Cu, Cr, Zr, and Ti with the balance being composed of Al and inevitable impurities, and having a hydrogen gas concentration of 0.25 ml/100 g of Al. In the aluminum alloy forging mentioned above, the area ratio of Mg2Si having a maximum length of 0.1 μm or above is 0.15% or below, the recrystallization ratio of the aluminum alloy is 20% or below, and a size distribution index value defined by V/r of dispersed particles of the aluminum alloy (V: the area ratio [%] of the dispersed particles, and r: the average radius [nm] of the dispersed particles) is 0.20 or above.
摘要翻译：本发明提供了一种铝合金锻造及其制造方法，其具有高强度，韧性和耐腐蚀性。铝合金锻造包括含有预定量的Mg，Si，Mn，Fe，Zn，Cu，Cr，Zr和Ti的铝合金，余量由Al和不可避免的杂质构成，氢气浓度为0.25ml / 100g Al。在上述铝合金锻造中，最大长度为0.1μm以上的Mg2Si的面积率为0.15％以下，铝合金的再结晶率为20％以下，V值 / V的分散颗粒的分散颗粒（V：分散颗粒的面积比[％]，r：分散颗粒的平均半径[nm]）为0.20以上。

5. 发明授权

US08961714B2 Automobile suspension part 有权
标题翻译：汽车悬挂部分
公开(公告)号：US08961714B2
公开(公告)日：2015-02-24
申请号：US13043011
申请日：2011-03-08
申请人： Shogo Sakamoto , Yoshiya Inagaki
发明人： Shogo Sakamoto , Yoshiya Inagaki
IPC分类号： C22C21/08 , B60G9/00
CPC分类号： B60G99/00 , B21J1/06 , B21J5/02 , B21K1/74 , B60G7/001 , B60G2206/12 , B60G2206/124 , B60G2206/7102 , B60G2206/8101 , B60G2206/81022 , B60G2206/84 , C22F1/04 , Y10T29/49622
摘要： A lightweight automobile suspension part having high strength is an aluminum alloy automobile suspension part having a through-hole, which has a yield strength of a normal section as a region where a crystal grain is not coarsened being 270 MPa or larger, and a minimum length between a rib end as a predetermined region on a side of the through-hole in a rib and a through-hole end as a predetermined region on a side of the through-hole in a web is 6 mm or larger.
摘要翻译：具有高强度的轻型汽车悬架部件是具有通孔的铝合金汽车悬架部件，其具有作为未晶粒化的区域的正常截面的屈服强度为270MPa以上，最小长度在作为肋中的通孔侧的预定区域的肋端和作为纤维网中的通孔侧的预定区域的通孔端之间的距离为6mm以上。

6. 发明申请

US20090000705A1 Aluminum Alloy Forging Member and Process for Producing the Same 有权
标题翻译：铝合金锻造件及其制造方法
公开(公告)号：US20090000705A1
公开(公告)日：2009-01-01
申请号：US12279189
申请日：2007-03-23
申请人： Manabu Nakai , Yoshiya Inagaki , Atsumi Fukuda
发明人： Manabu Nakai , Yoshiya Inagaki , Atsumi Fukuda
IPC分类号： C22F1/05 , C22C21/02
CPC分类号： B21K1/12 , C22C21/02 , C22C21/06 , C22F1/00 , C22F1/05
摘要： The present invention provides an aluminum alloy forging material having enhanced strength, toughness, and corrosion resistance, and a method of producing the material. An aluminum alloy forging material 1 produced with specified components under specified conditions has an arm portion 2 including a relatively narrow and thick peripheral rib 3 and a thin and relatively wide central web 4 having a thickness of 10 mm or less and having a substantially H-shaped sectional form. In a width-direction section of a maximum stress producing site of the rib 3a, the density of crystals observed in the structure of a sectional portion 7 where the maximum stress is produced, the spacing of grain boundary precipitates and the size and density of dispersed particles observed in the structure of a sectional portion 8 including a parting line, the recrystallization ratio observed in each of the sectional portions 7 and 8 of the rib, and the recrystallization ratio observed in a sectional portion 9 of the web 4a adjacent to the sectional structure of the rib 3a in the width direction are defined for enhancing the strength, toughness, and corrosion resistance of the aluminum alloy forging material.
摘要翻译：本发明提供一种具有提高强度，韧性和耐腐蚀性的铝合金锻造材料及其制造方法。在特定条件下用特定部件制造的铝合金锻造材料1具有臂部分2，该臂部分2包括相对窄且厚的周缘肋3和厚度为10mm或更小的薄而相对宽的中央腹板4，形截面形式。在肋3a的最大应力产生部位的宽度方向截面中，在产生最大应力的截面部7的结构中观察到的结晶的密度，晶界析出物的间隔和分散的尺寸和密度在包括分型线的截面部分8的结构中观察到的颗粒，在肋的每个截面部分7和8中观察到的再结晶比，以及在与断面相邻的纤维网4a的截面部分9中观察到的再结晶比为了提高铝合金锻造材料的强度，韧性和耐腐蚀性，限定了肋3a在宽度方向上的结构。

7. 发明授权

US08372220B2 Aluminum alloy forgings and process for production thereof 有权
标题翻译：铝合金锻件及其制造方法
公开(公告)号：US08372220B2
公开(公告)日：2013-02-12
申请号：US12527083
申请日：2008-03-13
申请人： Yoshiya Inagaki , Manabu Nakai , Atsumi Fukuda
发明人： Yoshiya Inagaki , Manabu Nakai , Atsumi Fukuda
IPC分类号： C22C21/08 , C22F1/05
CPC分类号： C22C21/02 , B21J5/00 , C22C21/06 , C22C21/08 , C22F1/00 , C22F1/05
摘要： There are provided an aluminum alloy forging having high strength, toughness, and resistance to corrosion in response to the thinning of automotive underbody parts, and a process for production thereof.The aluminum alloy forging includes an aluminum alloy containing predetermined amounts of Mg, Si, Mn, Fe, Zn, Cu, Cr, Zr, and Ti with the balance being composed of Al and inevitable impurities, and having a hydrogen gas concentration of 0.25 ml/100 g of Al. In the aluminum alloy forging mentioned above, the area ratio of Mg2Si having a maximum length of 0.1 μm or above is 0.15% or below, the recrystallization ratio of the aluminum alloy is 20% or below, and a size distribution index value defined by V/r of dispersed particles of the aluminum alloy (V: the area ratio [%] of the dispersed particles, and r: the average radius [nm] of the dispersed particles) is 0.20 or above.
摘要翻译：本发明提供了一种铝合金锻造及其制造方法，其具有高强度，韧性和耐腐蚀性。铝合金锻造包括含有预定量的Mg，Si，Mn，Fe，Zn，Cu，Cr，Zr和Ti的铝合金，余量由Al和不可避免的杂质构成，氢气浓度为0.25ml / 100g Al。在上述铝合金锻造中，最大长度为0.1μm以上的Mg2Si的面积率为0.15％以下，铝合金的再结晶率为20％以下，V值 / V的分散颗粒的分散颗粒（V：分散颗粒的面积比[％]，r：分散颗粒的平均半径[nm]）为0.20以上。

8. 发明申请

US20110221151A1 AUTOMOBILE SUSPENSION PART AND MANUFACTURING OF THE SAME 有权
标题翻译：汽车悬架部件及其制造
公开(公告)号：US20110221151A1
公开(公告)日：2011-09-15
申请号：US13043011
申请日：2011-03-08
申请人： Shogo SAKAMOTO , Yoshiya Inagaki
发明人： Shogo SAKAMOTO , Yoshiya Inagaki
IPC分类号： B60G3/00 , B23P15/00
CPC分类号： B60G99/00 , B21J1/06 , B21J5/02 , B21K1/74 , B60G7/001 , B60G2206/12 , B60G2206/124 , B60G2206/7102 , B60G2206/8101 , B60G2206/81022 , B60G2206/84 , C22F1/04 , Y10T29/49622
摘要： A lightweight automobile suspension part having high strength is an aluminum alloy automobile suspension part having a through-hole, which has a yield strength of a normal section as a region where a crystal grain is not coarsened being 270 MPa or larger, and a minimum length between a rib end as a predetermined region on a side of the through-hole in a rib and a through-hole end as a predetermined region on a side of the through-hole in a web is 6 mm or larger.
摘要翻译：具有高强度的轻型汽车悬架部件是具有通孔的铝合金汽车悬架部件，其具有作为未晶粒化的区域的正常截面的屈服强度为270MPa以上，最小长度在作为肋中的通孔侧的预定区域的肋端和作为纤维网中的通孔侧的预定区域的通孔端之间的距离为6mm以上。

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