专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US10557185B2 Free-cutting copper alloy, and method for producing free-cutting copper alloy 有权
公开(公告)号：US10557185B2
公开(公告)日：2020-02-11
申请号：US16274622
申请日：2019-02-13
申请人： Mitsubishi Shindoh Co., Ltd.
发明人： Keiichiro Oishi , Kouichi Suzaki , Shinji Tanaka , Takayuki Oka
IPC分类号： C22C9/04 , C22F1/00 , C22F1/08
摘要： This free-cutting copper alloy contains 75.0%-78.5% Cu, 2.95%-3.55% Si, 0.07%-0.28% Sn, 0.06%-0.14% P, and 0.022%-0.25% Pb, with the remainder being made up of Zn and inevitable impurities. The composition satisfies the following relations: 76.2≤f1=Cu+0.8×Si−8.5×Sn+P+0.5×Pb≤80.3, 61.5≤f2=Cu−4.3×Si−0.7×Sn−P+0.5×Pb≤63.3. The area ratios (%) of the constituent phases satisfy the following relations: 25≤κ≤65, 0≤γ≤1.5, 0≤β≤0.2, 0≤μ≤2.0, 97.0≤f3=α+κ, 99.4≤f4=α+κ+γ+μ, 0≤f5=γ+μ≤2.5, 27≤f6=κ+6×γ1/2+0.5×μ≤70. The long side of the γ phase does not exceed 40 μm, the long side of the μ phase does not exceed 25 μm, and the κ phase is present within the α phase.

2. 发明授权

US10538828B2 Free-cutting copper alloy, and method for producing free-cutting copper alloy 有权
公开(公告)号：US10538828B2
公开(公告)日：2020-01-21
申请号：US16325267
申请日：2017-08-15
申请人： Mitsubishi Shindoh Co., Ltd.
发明人： Keiichiro Oishi , Kouichi Suzaki , Shinji Tanaka , Takayuki Oka
IPC分类号： C22C9/04 , C22F1/00 , C22F1/08
摘要： This free-cutting copper alloy contains 75.0 %-78.5% Cu, 2.95%-3.55% Si, 0.07%-0.28% Sn, 0.06%-0.14% P, and 0.022%-0.25% Pb, with the remainder being made up of Zn and inevitable impurities. The composition satisfies the following relations: 76.2≤f1=Cu+0.8×Si−8.5×Sn+P+0.5×Pb≤80.3, 61.5≤f2=Cu−4.3×Si−0.7×Sn−P+0.5×Pb≤63.3. The area ratios (%) of the constituent phases satisfy the following relations: 25≤κ≤65, 0≤γ≤1.5, 0≤β≤0.2, 0≤μ≤2.0, 97.0≤f3=α+κ, 99.4≤f4=α+κ+γ+μ, 0≤f5=γ+μ≤2.5, 27≤f6=κ+6×γ1/2+0.5×μ≤70. The long side of the γ phase does not exceed 40 μm, the long side of the μ phase does not exceed 25 μm, and the κ phase is present within the α phase.

3. 发明申请

US20190241999A1 FREE-CUTTING COPPER ALLOY, AND METHOD FOR PRODUCING FREE-CUTTING COPPER ALLOY 审中-公开
公开(公告)号：US20190241999A1
公开(公告)日：2019-08-08
申请号：US16274622
申请日：2019-02-13
申请人： Mitsubishi Shindoh Co., Ltd.
发明人： Keiichiro Oishi , Kouichi Suzaki , Shinji Tanaka , Takayuki Oka
IPC分类号： C22F1/08 , C22C9/04
摘要： This free-cutting copper alloy contains 75.0%-78.5% Cu, 2.95%-3.55% Si, 0.07%-0.28% Sn, 0.06%-0.14% P, and 0.022%-0.25% Pb, with the remainder being made up of Zn and inevitable impurities. The composition satisfies the following relations: 76.2≤f1=Cu+0.8×Si−8.5×Sn+P+0.5×Pb≤80.3, 61.5≤f2=Cu−4.3×Si−0.7×Sn−P+0.5×Pb≤63.3. The area ratios (%) of the constituent phases satisfy the following relations: 25≤κ≤65, 0≤γ≤1.5, 0≤β≤0.2, 0≤μ≤2.0, , 97.0≤f3=α+κ, 99.4≤f4=α+κ+γ+μ, 0≤f5=γ+μ≤2.5, 27≤f6=κ+6×γ1/2+0.5×μ≤70. The long side of the γ phase does not exceed 40 μm, the long side of the μ phase does not exceed 25 μm, and the κ phase is present within the α phase.

4. 发明申请

US20200165706A1 FREE-CUTTING COPPER ALLOY AND METHOD FOR PRODUCING FREE-CUTTING COPPER ALLOY 审中-公开
公开(公告)号：US20200165706A1
公开(公告)日：2020-05-28
申请号：US16482913
申请日：2018-02-21
申请人： Mitsubishi Shindoh Co., Ltd.
发明人： Keiichiro Oishi , Kouichi Suzaki , Shinji Tanaka , Takayuki Oka
IPC分类号： C22C9/04 , C22F1/08
摘要： This free-cutting copper alloy comprises 75.4-78.7% Cu, 3.05-3.65% Si, 0.10-0.28% Sn, 0.05-0.14% P, and at least 0.005% to less than 0.020% Pb, with the remainder comprising Zn and inevitable impurities. The composition satisfies the following relations: 76.5≤f1=Cu+0.8×Si−8.5×Sn+P≤80.3; 60.7≤f2=Cu−4.6×Si−0.7×Sn−P≤62.1; and 0.25≤f7=P/Sn≤1.0. The area percentage (%) of respective constituent phases satisfies the following relations: 28≤κ≤67; 0≤γ≤1.0; 0≤β≤0.2; 0≤μ≤1.5; 97.4≤f3=α+κ; 99.4≤f4=α+κ+γ+μ; 0≤f5=γ+μ≤2.0; and 30≤f6=κ+6×γ1/2+0.5×μ≤70. The long side of the γ phase is at most 40 μm, the long side of the μ phase is at most 25 μm, and κ phase is present in α phase.

5. 发明申请

US20140251488A1 HOT-FORGED COPPER ALLOY PART 有权
标题翻译：热锻铜合金部分
公开(公告)号：US20140251488A1
公开(公告)日：2014-09-11
申请号：US14355420
申请日：2012-11-02
申请人： Mitsubishi Shindoh Co., Ltd.
发明人： Keiichiro Oishi , Takayuki Oka , Shin Oikawa
IPC分类号： C22C9/04 , F16L9/02
CPC分类号： C22C9/04 , B21J5/00 , C22F1/08 , F16L9/02
摘要： A hot-forged copper alloy part which has a tubular shape, in which an alloy composition contains 59.0 mass % to 84.0 mass % of Cu and 0.003 mass % to 0.3 mass % of Pb with a remainder of Zn and inevitable impurities, a content of Cu [Cu] mass % and a content of Pb [Pb] mass % have a relationship of 59≦([Cu]+0.5×[Pb])≦64, a shape of the forged part satisfies a formula of 0.4≦(average inner diameter)/(average outer diameter)≦0.92, 0.04≦(average thickness)/(average outer diameter)≦0.3, and 1≦(tube axis direction length)/(average thickness))≦10, a forging material which is to be hot-forged has a tubular shape and satisfies 0.3≦(average inner diameter/average outer diameter)≦0.88, 0.06≦(average thickness)/(average outer diameter)≦0.35, and 0.8≦(tube axis direction length)/(average thickness))≦12, and 0%≦(degree of uneven thickness)≦30%, 0≦(degree of uneven thickness)≦75×1/((tube axis direction length)/(average thickness))1/2 in any location in a tube axis direction.
摘要翻译：一种管状的热锻铜合金部件，其中合金组成含有59.0质量％至84.0质量％的Cu和0.003质量％至0.3质量％的Pb，余量为Zn和不可避免的杂质，含量为 Cu [Cu]质量％，Pb [Pb]质量％的含量为59＆nlE;（[Cu] + 0.5×[Pb]）＆nlE; 64，锻造部的形状满足公式0.4＆（平均内径）/（平均外径）＆nlE; 0.92,0.04＆nlE;（平均厚度）/（平均外径）＆lt; nlE; 0.3和1＆nlE;（管轴方向长度）/（平均厚度））＆锻造的锻造材料为管状，满足0.3＆nlE（平均内径/平均外径）＆nlE; 0.88,0.06＆nlE;（平均厚度）/（平均外径）＆lt; 和（n1E）;（n1E）;（n1E）;（n1E）/（n1E）（（管轴方向长度）/（平均厚度） ss））1/2在管轴方向的任何位置。

6. 发明申请

US20190249276A1 FREE-CUTTING COPPER ALLOY, AND METHOD FOR PRODUCING FREE-CUTTING COPPER ALLOY 审中-公开
公开(公告)号：US20190249276A1
公开(公告)日：2019-08-15
申请号：US16325267
申请日：2017-08-15
申请人： Mitsubishi Shindoh Co., Ltd.
发明人： Keiichiro Oishi , Kouichi Suzaki , Shinji Tanaka , Takayuki Oka
IPC分类号： C22C9/04 , C22F1/08
摘要： This free-cutting copper alloy contains 75.0%-78.5% Cu, 2.95%-3.55% Si, 0.07%-0.28% Sn, 0.06%-0.14% P, and 0.022%-0.25% Pb, with the remainder being made up of Zn and inevitable impurities. The composition satisfies the following relations: 76.2≤f1=Cu+0.8×Si−8.5×Sn+P+0.5×Pb≤80.3, 61.5≤f2=Cu−4.3×Si−0.7×Sn−P+0.5×Pb≤63.3. The area ratios (%) of the constituent phases satisfy the following relations: 25≤κ≤65, 0≤γ≤1.5, 0≤β≤0.2, 0≤μ≤2.0, 97.0≤f3=α+κ, 99.4≤f4=α+κ+γ+μ, 0≤f5=γ+μ≤2.5, 27≤f6=κ+6×γ1/2+0.5×μ≤70. The long side of the γ phase does not exceed 40 μm, the long side of the μ phase does not exceed 25 μm, and the κ phase is present within the α phase.

7. 发明授权

US09017491B2 Hot-forged copper alloy part 有权
标题翻译：热锻铜合金部件
公开(公告)号：US09017491B2
公开(公告)日：2015-04-28
申请号：US14355420
申请日：2012-11-02
申请人： Mitsubishi Shindoh Co., Ltd.
发明人： Keiichiro Oishi , Takayuki Oka , Shin Oikawa
IPC分类号： C22C9/04 , C22F1/08 , F16L9/02
CPC分类号： C22C9/04 , B21J5/00 , C22F1/08 , F16L9/02
摘要： A hot-forged copper alloy part which has a tubular shape, in which an alloy composition contains 59.0 mass % to 84.0 mass % of Cu and 0.003 mass % to 0.3 mass % of Pb with a remainder of Zn and inevitable impurities, a content of Cu [Cu] mass % and a content of Pb [Pb] mass % have a relationship of 59≦([Cu]+0.5×[Pb])≦64, a shape of the forged part satisfies a formula of 0.4≦(average inner diameter)/(average outer diameter)≦0.92, 0.04≦(average thickness)/(average outer diameter)≦0.3, and 1≦(tube axis direction length)/(average thickness))≦10, a forging material which is to be hot-forged has a tubular shape and satisfies 0.3≦(average inner diameter/average outer diameter)≦0.88, 0.06≦(average thickness)/(average outer diameter)≦0.35, and 0.8≦(tube axis direction length)/(average thickness))≦12, and 0%≦(degree of uneven thickness)≦30%, 0≦(degree of uneven thickness)≦75×1/((tube axis direction length)/(average thickness))1/2 in any location in a tube axis direction.
摘要翻译：一种管状的热锻铜合金部件，其中合金组成含有59.0质量％至84.0质量％的Cu和0.003质量％至0.3质量％的Pb，余量为Zn和不可避免的杂质，含量为 Cu [Cu]质量％，Pb [Pb]质量％的含量为59＆nlE;（[Cu] + 0.5×[Pb]）＆nlE; 64，锻造部的形状满足公式0.4＆（平均内径）/（平均外径）＆nlE; 0.92,0.04＆nlE;（平均厚度）/（平均外径）＆lt; ll; 0.3和1＆nlE;（管轴方向长度）/（平均厚度））＆锻造的锻造材料为管状，满足0.3＆nlE（平均内径/平均外径）＆nlE; 0.88,0.06＆nlE;（平均厚度）/（平均外径）＆lt; 和（n1E）;（n1E）;（n1E）;（n1E）/（n1E）（（管轴方向长度）/（平均厚度） ss））1/2在管轴方向的任何位置。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式