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公开(公告)号：US09562277B2
公开(公告)日：2017-02-07
申请号：US11943207
申请日：2007-11-20
申请人： Mamoru Nakata , Yuuichi Yamada , Koji Itakura , Yoshio Okada , Yoshihito Kawamura , Michiaki Yamasaki
发明人： Mamoru Nakata , Yuuichi Yamada , Koji Itakura , Yoshio Okada , Yoshihito Kawamura , Michiaki Yamasaki
摘要： The present invention provides a magnesium alloy material, having superior mechanical properties without using special production equipment or processes, and a production process thereof. The magnesium alloy material of the present invention composed of an Mg—Zn—RE alloy comprises essential components in the form of 0.5 to 3 atomic percent of Zn and 1 to 5 atomic percent of RE, with the remainder comprising Mg and unavoidable impurities. The Mg—Zn—RE alloy has a lamellar phase formed from a long period stacking ordered structure and α-Mg in the alloy structure thereof. The long period stacking ordered structure has at least one of a curved portion and a bent portion and has a divided portion in at least a portion thereof. Finely granulated α-Mg having a mean particle diameter of 2 μm or less is formed in the divided portion.
摘要翻译： 本发明提供一种在不使用特殊的生产设备或方法的情况下具有优异的机械性能的镁合金材料及其制造方法。 由Mg-Zn-RE合金构成的本发明的镁合金材料包含0.5〜3原子％的Zn和1〜5原子％的RE的必需成分，其余为Mg和不可避免的杂质。 Mg-Zn-RE合金在其合金结构中具有由长周期堆积有序结构形成的层状相和α-Mg。 长周期层叠结构具有弯曲部分和弯曲部分中的至少一个，并且在其至少一部分中具有分割部分。 在分割部分中形成平均粒径为2μm以下的细粒状的α-Mg。
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公开(公告)号：US08394211B2
公开(公告)日：2013-03-12
申请号：US12293489
申请日：2007-03-20
申请人： Mamoru Nakata , Yuuichi Yamada , Koji Itakura , Takahiro Mibe , Yoshio Okada , Yoshihito Kawamura , Michiaki Yamasaki
发明人： Mamoru Nakata , Yuuichi Yamada , Koji Itakura , Takahiro Mibe , Yoshio Okada , Yoshihito Kawamura , Michiaki Yamasaki
IPC分类号： C21D11/00
摘要： The present invention provides a magnesium alloy material excellent in high mechanical characteristics without using special manufacturing facilities or processes and a method for manufacturing the magnesium alloy material. The magnesium alloy material is an Mg—Zn—RE alloy containing Zn as an essential component, at least one of Gd, Tb, and Tm as RE, and the rest including Mg and unavoidable impurities and contains a needle-like precipitate or a board-like precipitate (lengthy precipitate: X-phase=β-phase, β′-phase, and β1-phase).
摘要翻译： 本发明提供一种在不使用特殊制造设备或工艺的情况下具有优异的高机械特性的镁合金材料以及镁合金材料的制造方法。 镁合金材料是以Zn为主要成分的Mg-Zn-RE合金，Gd，Tb，Tm中的至少一种为RE，其余为Mg和不可避免的杂质，含有针状沉淀物或板 样沉淀物（长时间的沉淀物：X相=＆bgr-相，和相，和1相）。
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公开(公告)号：US20100061882A1
公开(公告)日：2010-03-11
申请号：US12517134
申请日：2007-11-27
申请人： Mamoru Nakata , Yuuichi Yamada , Koji Itakura , Yoshio Okada , Yoshihito Kawamura , Michiaki Yamasaki
发明人： Mamoru Nakata , Yuuichi Yamada , Koji Itakura , Yoshio Okada , Yoshihito Kawamura , Michiaki Yamasaki
摘要： Disclosed is a magnesium alloy material which can be produced without the need of employing any specialized production facility or process and has excellent mechanical properties, particularly high elongation. Also disclosed is a process for producing the magnesium alloy material. The magnesium alloy material comprises a Mg—Gd—Zn alloy comprising 1 to 5 mass % of Zn and 5 to 15 mass % of Gd as essential ingredients, with the remainder being Mg and unavoidable impurities, wherein the Mg—Gd—Zn alloy has a long period stacking structure in its alloy structure and also has Mg3Gd and/or Mg3Zn3Gd2. The process for producing the magnesium alloy material comprises a melting/casting step and a forging processing step for subjecting the casted material to a hot forging processing at a predetermined processing rate.
摘要翻译： 公开了一种镁合金材料，其可以在不需要使用任何专门的生产设备或方法的情况下生产并且具有优异的机械性能，特别是高的伸长率。 还公开了一种用于生产镁合金材料的方法。 镁合金材料包括Mg-Gd-Zn合金，其包含1至5质量％的Zn和5至15质量％的Gd作为必要成分，其余为Mg和不可避免的杂质，其中Mg-Gd-Zn合金具有 其合金结构长周期堆叠结构，并具有Mg3Gd和/或Mg3Zn3Gd2。 制造镁合金材料的方法包括熔融/铸造步骤和锻造加工步骤，用于以预定的加工速率对铸造材料进行热锻造加工。
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公开(公告)号：US20100206438A1
公开(公告)日：2010-08-19
申请号：US12678516
申请日：2008-09-18
CPC分类号： C22C23/04 , B22D21/007 , C22C23/06 , C22F1/06
摘要： The present invention provides a magnesium alloy material excellent in mechanical properties without using specific manufacturing facilities and processes and a method of manufacturing the same. The magnesium alloy material is an Mg—Zn—RE alloy containing, as an essential component, Zn and at least one of Gd, Tb, and Tm as RE, and of the rest including Mg and unavoidable impurities, and has stacking faults of a thickened two-atomic layer of Zn and RE in the alloy structure of the Mg—Zn—RE alloy. A method of manufacturing a magnesium alloy material involves a casting step, a solution treatment step, and a heat treatment step and the heat treatment step is carried out in a condition satisfying −14.58 [ln(x)]+532.32
摘要翻译： 本发明提供一种在不使用特定制造设备和方法的情况下机械性能优异的镁合金材料及其制造方法。 镁合金材料是含有作为主要成分的Zn和作为RE的Gd，Tb，Tm中的至少一种的Mg-Zn-RE合金，其余的包括Mg和不可避免的杂质，并且具有 在Mg-Zn-RE合金的合金结构中增加了Zn和RE的两原子层。 制造镁合金材料的方法包括铸造步骤，溶液处理步骤和热处理步骤，并且热处理步骤在满足-14.58 [ln（x）] + 532.32
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公开(公告)号：US20090056837A1
公开(公告)日：2009-03-05
申请号：US12293489
申请日：2007-03-20
申请人： Mamoru Nakata , Yuiichi Yamada , Koji Itakura , Takahiro Mibe , Yoshio Okada , Yoshihito Kawamura , Michiaki Yamasaki
发明人： Mamoru Nakata , Yuiichi Yamada , Koji Itakura , Takahiro Mibe , Yoshio Okada , Yoshihito Kawamura , Michiaki Yamasaki
摘要： The present invention provides a magnesium alloy material excellent in high mechanical characteristics without using special manufacturing facilities or processes and a method for manufacturing the magnesium alloy material. The magnesium alloy material is an Mg—Zn—RE alloy containing Zn as an essential component, at least one of Gd, Tb, and Tm as RE, and the rest including Mg and unavoidable impurities and contains a needle-like precipitate or a board-like precipitate (lengthy precipitate: X-phase=β-phase, β′-phase, and β1-phase).
摘要翻译： 本发明提供一种在不使用特殊制造设备或工艺的情况下具有优异的高机械特性的镁合金材料以及镁合金材料的制造方法。 镁合金材料是以Zn为主要成分的Mg-Zn-RE合金，Gd，Tb，Tm中的至少一种为RE，其余为Mg和不可避免的杂质，含有针状沉淀物或板 样沉淀物（长时间沉淀：X相=β相，β'相和β1相）。
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公开(公告)号：US20120148444A1
公开(公告)日：2012-06-14
申请号：US13391445
申请日：2010-07-27
CPC分类号： C22C21/02 , B22D17/00 , B22D21/007 , C22C21/04
摘要： There is provided an aluminum alloy casting consisting essentially of 7.0 to 11.5 mass % of Si, 0.9 to 4.0 mass % of Mg, 0.1 to 0.65 mass % of Fe, 0.1 to 0.8 mass % of Mn and the balance being Al and unavoidable impurities, or consisting essentially of 7.0 to 11.5 mass % of Si, 0.9 to 4.0 mass % of Mg, 0.1 to 0.65 mass % of Fe, 0.1 to 0.8 mass % of Mn, 0.3 to 1.0 mass % of Cu and the balance being Al and unavoidable impurities, and containing eutectic Si grains having an aspect ratio of 2.0 or smaller and an average grain size of 1.0 micrometer or smaller. There is also provided an automotive part formed with the aluminum alloy casting and a production method of the aluminum alloy casting.
摘要翻译： 提供一种铝合金铸件，其基本上由Si：7.0〜11.5质量％，Mg：0.9〜4.0质量％，Fe：0.1〜0.65质量％，Mn：0.1〜0.8质量％，Al：不可避免的杂质， 或者基本上由7.0〜11.5质量％的Si，0.9〜4.0质量％的Mg，0.1〜0.65质量％的Fe，0.1〜0.8质量％的Mn，0.3〜1.0质量％的Cu，余量的Al和不可避免地 杂质，含有纵横比为2.0以下，平均粒径为1.0微米以下的共晶Si粒子。 还提供了由铝合金铸件形成的汽车部件和铝合金铸件的制造方法。
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公开(公告)号：US10041154B2
公开(公告)日：2018-08-07
申请号：US14234770
申请日：2012-07-10
申请人： Tomoyuki Hirayama , Pizhi Zhao , Takeshi Handa , Toshiya Anami , Yusuke Nagaishi , Koji Itakura , Hirokazu Miyagawa , Tsutomu Hattori , Shigenori Yoshizawa , Akio Yoshizawa
发明人： Tomoyuki Hirayama , Pizhi Zhao , Takeshi Handa , Toshiya Anami , Yusuke Nagaishi , Koji Itakura , Hirokazu Miyagawa , Tsutomu Hattori , Shigenori Yoshizawa , Akio Yoshizawa
摘要： An aluminum alloy sheet includes an aluminum alloy substrate having a composition containing, by mass percentage, 3.0 to 4.0% of magnesium, 0.2 to 0.4% of manganese, 0.1 to 0.5% of iron, not less than 0.03% but less than 0.10% of copper, and less than 0.20% of silicon, with the remainder being aluminum and unavoidable impurities. A peak concentration of a copper concentration distribution in a thickness direction in a region at a depth of 15 nm to 200 nm from the surface of the aluminum alloy substrate is equal to or more than 0.15%, and the aluminum alloy substrate has a recrystallized structure with an average grain size of 15 μm or less.
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公开(公告)号：US20140166162A1
公开(公告)日：2014-06-19
申请号：US14234770
申请日：2012-07-10
申请人： Tomoyuki Hirayama , Pizhi Zhao , Takeshi Handa , Toshiya Anami , Yusuke Nagaishi , Koji Itakura , Hirokazu Miyagawa , Tsutomu Hattori , Shigenori Yoshizawa , Akio Yoshizawa
发明人： Tomoyuki Hirayama , Pizhi Zhao , Takeshi Handa , Toshiya Anami , Yusuke Nagaishi , Koji Itakura , Hirokazu Miyagawa , Tsutomu Hattori , Shigenori Yoshizawa , Akio Yoshizawa
CPC分类号： C22C21/08 , B21B2003/001 , B22D11/003 , C22C21/06 , C22F1/00 , C22F1/047
摘要： An aluminum alloy sheet includes an aluminum alloy substrate having a composition containing, by mass percentage, 3.0 to 4.0% of magnesium, 0.2 to 0.4% of manganese, 0.1 to 0.5% of iron, not less than 0.03% but less than 0.10% of copper, and less than 0.20% of silicon, with the remainder being aluminum and unavoidable impurities. A peak concentration of a copper concentration distribution in a thickness direction in a region at a depth of 15 nm to 200 nm from the surface of the aluminum alloy substrate is equal to or more than 0.15%, and the aluminum alloy substrate has a recrystallized structure with an average grain size of 15 μm or less.
摘要翻译： 铝合金板包括铝合金基板，该铝合金基板具有以质量％计含有3.0〜4.0％的镁，0.2〜0.4％的锰，0.1〜0.5％的铁，0.03％以上且0.10％以下的铁 铜和小于0.20％的硅，其余为铝和不可避免的杂质。 在从铝合金基板的表面开始的深度为15nm〜200nm的区域中，厚度方向的铜浓度分布的峰值浓度为0.15％以上，铝合金基板具有再结晶结构 平均粒径为15μm以下。
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公开(公告)号：US09243312B2
公开(公告)日：2016-01-26
申请号：US13391445
申请日：2010-07-27
CPC分类号： C22C21/02 , B22D17/00 , B22D21/007 , C22C21/04
摘要： There is provided an aluminum alloy casting consisting essentially of 7.0 to 11.5 mass % of Si, 0.9 to 4.0 mass % of Mg, 0.1 to 0.65 mass % of Fe, 0.1 to 0.8 mass % of Mn and the balance being Al and unavoidable impurities, or consisting essentially of 7.0 to 11.5 mass % of Si, 0.9 to 4.0 mass % of Mg, 0.1 to 0.65 mass % of Fe, 0.1 to 0.8 mass % of Mn, 0.3 to 1.0 mass % of Cu and the balance being Al and unavoidable impurities, and containing eutectic Si grains having an aspect ratio of 2.0 or smaller and an average grain size of 1.0 micrometer or smaller. There is also provided an automotive part formed with the aluminum alloy casting and a production method of the aluminum alloy casting.
摘要翻译： 提供一种铝合金铸件，其基本上由Si：7.0〜11.5质量％，Mg：0.9〜4.0质量％，Fe：0.1〜0.65质量％，Mn：0.1〜0.8质量％，Al：不可避免的杂质， 或者基本上由7.0〜11.5质量％的Si，0.9〜4.0质量％的Mg，0.1〜0.65质量％的Fe，0.1〜0.8质量％的Mn，0.3〜1.0质量％的Cu，余量的Al和不可避免地 杂质，含有纵横比为2.0以下，平均粒径为1.0微米以下的共晶Si粒子。 还提供了由铝合金铸件形成的汽车部件和铝合金铸件的制造方法。
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