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1. 发明授权

US07708937B2 High-strength, high-toughness, weldable and deformable rare earth magnesium alloy 有权
标题翻译：高强度，高韧性，可焊接和可变形的稀土镁合金
公开(公告)号：US07708937B2
公开(公告)日：2010-05-04
申请号：US12105165
申请日：2008-04-17
申请人： Jian Meng , Daqing Fang , Deping Zhang , Dingxiang Tang , Huayi Lu , Lianshan Zhao , Wei Sun , Xin Qiu , Hongjie Zhang
发明人： Jian Meng , Daqing Fang , Deping Zhang , Dingxiang Tang , Huayi Lu , Lianshan Zhao , Wei Sun , Xin Qiu , Hongjie Zhang
IPC分类号： C22C23/06 , C22C23/00
CPC分类号： C22C23/04 , C22F1/06
摘要： A high-strength, high-toughness, weldable and deformable rare earth magnesium alloy comprised of 0.7˜1.7% of Ym, 5.5˜6.4% of Zn, 0.45˜0.8% of Zr, 0.02% or less of the total amount of impurity elements of Si, Fe, Cu and Ni, and the remainder of Mg, based on the total weight of the alloy. During smelting, Y, Ho, Er, Gd and Zr are added in a manner of Mg—Y-rich, Mg—Zr intermediate alloys into a magnesium melt; Zn is added in a manner of pure Zn, and at 690˜720° C., a round bar was cast by a semi-continuous casting or a water cooled mould, then an extrusion molding was performed at 380˜410° C. after cutting. Before the extrusion, the alloy is treated by the solid-solution treatment at 480˜510° C. for 2˜3 hours, however, the alloy can also be extrusion molded directly without the solid-solution treatment. After the extrusion molding, this alloy has a strength of 340 MPa or more and a percentage elongation of 14% or more at room temperature and is a high-strength, high-toughness, weldable and deformable rare earth magnesium alloy.
摘要翻译：一种高强度，高韧性，可焊接和可变形的稀土镁合金，其含有0.7〜1.7％的Ym，5.5〜6.4％的Zn，0.45〜0.8％的Zr，0.02％以下的杂质元素总量的Si，Fe，Cu和Ni，剩余的Mg基于合金的总重量。在熔炼过程中，以Mg-Y，Mg-Zr中间合金的方式将Y，Ho，Er，Gd和Zr加入到镁熔体中; 以纯Zn的方式添加Zn，在690〜720℃下，通过半连续铸造或水冷模具浇铸圆棒，然后在380〜410℃下进行挤出成型切割。在挤出前，合金在480〜510℃固溶处理2〜3小时，然而合金也可直接挤出成形而无需固溶处理。挤出成型后，该合金的室温下的强度为340MPa以上，伸长率为14％以上，为高强度，高韧性，可焊接且可变形的稀土类镁合金。

2. 发明申请

US20090263271A1 HIGH-STRENGTH, HIGH-TOUGHNESS, WELDABLE AND DEFORMABLE RARE EARTH MAGNESIUM ALLOY 有权
标题翻译：高强度，高韧性，可焊接和可变稀土元素镁合金
公开(公告)号：US20090263271A1
公开(公告)日：2009-10-22
申请号：US12105165
申请日：2008-04-17
申请人： Jian Meng , Daqing Fang , Deping Zhang , Dingxiang Tang , Huayi Lu , Lianshan Zhao , Wei Sun , Xin Qiu , Hongjie Zhang
发明人： Jian Meng , Daqing Fang , Deping Zhang , Dingxiang Tang , Huayi Lu , Lianshan Zhao , Wei Sun , Xin Qiu , Hongjie Zhang
IPC分类号： C22C23/00
CPC分类号： C22C23/04 , C22F1/06
摘要： A high-strength, high-toughness, weldable and deformable rare earth magnesium alloy comprised of 0.7˜1.7% of Ym, 5.5˜6.4% of Zn, 0.45˜0.8% of Zr, 0.02% or less of the total amount of impurity elements of Si, Fe, Cu and Ni, and the remainder of Mg, based on the total weight of the alloy. During smelting, Y, Ho, Er, Gd and Zr are added in a manner of Mg—Y-rich, Mg—Zr intermediate alloys into a magnesium melt; Zn is added in a manner of pure Zn, and at 690˜720° C., a round bar was cast by a semi-continuous casting or a water cooled mould, then an extrusion molding was performed at 380˜410° C. after cutting. Before the extrusion, the alloy is treated by the solid-solution treatment at 480˜510° C. for 2˜3 hours, however, the alloy can also be extrusion molded directly without the solid-solution treatment. After the extrusion molding, this alloy has a strength of 340 MPa or more and a percentage elongation of 14% or more at room temperature and is a high-strength, high-toughness, weldable and deformable rare earth magnesium alloy.
摘要翻译：高强度，高韧性，可焊接和可变形的稀土镁合金由Ym的0.7〜1.7％，Zn的5.5〜6.4％，Zr的0.45〜0.8％，杂质元素的总量的0.02％以下的Si，Fe，Cu和Ni，剩余的Mg基于合金的总重量。在熔炼过程中，以Mg-Y，Mg-Zr中间合金的方式将Y，Ho，Er，Gd和Zr加入到镁熔体中; 以纯Zn的方式添加Zn，在690〜720℃下，通过半连续浇铸或水冷模具浇铸圆棒，然后在380〜410℃下进行挤出成型切割。在挤出前，合金经480〜510℃的固溶处理2〜3小时，然而，该合金也可直接挤出成型，无需固溶处理。挤出成型后，该合金的室温下的强度为340MPa以上，伸长率为14％以上，为高强度，高韧性，可焊接且可变形的稀土类镁合金。

3. 发明授权

US07744814B2 Method for producing a magnesium-lanthanum praseodymium cerium intermediate alloy 有权
标题翻译：镁镧镨铈中间合金的制造方法
公开(公告)号：US07744814B2
公开(公告)日：2010-06-29
申请号：US12343414
申请日：2008-12-23
申请人： Jian Meng , Daqing Fang , Deping Zhang , Jiacheng Shen , Dingxiang Tang , Hongjie Zhang
发明人： Jian Meng , Daqing Fang , Deping Zhang , Jiacheng Shen , Dingxiang Tang , Hongjie Zhang
IPC分类号： C25C1/24
CPC分类号： C25C3/34
摘要： Methods for producing a magnesium-rare earth intermediate alloy, which belongs to the technical field of molten salt electrolytic metallurgical technology. In one embodiment, the method comprises subjecting magnesium chloride, lanthanum praseodymium cerium chloride and potassium chloride to an electrolysis, and adding additional lanthanum praseodymium cerium chloride and magnesium chloride during the electrolysis. In the electrolysis process, neither metal magnesium nor rare earth metal is used, only the chlorides of rare earths and magnesium are used and the rare earth ions and the magnesium ions are co-electrodeposited on the cathode, so as to obtain the intermediate alloy having a melting point close to the eutectic temperature of the rare earth and magnesium. The method has various advantages including but not limited to high operability, simple process and equipment, stable quality of product by mass production and easy for commercial scale production.
摘要翻译：属于熔盐电解冶金技术领域的镁 - 稀土中间体合金的制造方法。在一个实施方案中，该方法包括使氯化镁，氯化镧镧氯化铯和氯化钾进行电解，并在电解过程中加入另外的镧氯化铈和氯化镁。在电解过程中，不使用金属镁和稀土金属，仅使用稀土和镁的氯化物，稀土离子和镁离子共沉积在阴极上，以获得具有熔点接近稀土和镁的共晶温度。该方法具有多种优点，包括但不限于可操作性高，工艺简单，设备简单，产品质量稳定，生产量大，易于商业化生产。

4. 发明申请

US20090116993A1 AE SERIES HEAT RESISTANT COMPRESSION CASTING MAGNESIUM ALLOY CONTAINING CERIUM AND LANTHANUM 审中-公开
标题翻译： AE系列耐热压缩铸造镁合金包含CERIUM和LANTHANUM
公开(公告)号：US20090116993A1
公开(公告)日：2009-05-07
申请号：US12133229
申请日：2008-06-04
申请人： Jian Meng , Jinghuai Zhang , Dingxiang Tang , Deping Zhang , Daqing Fang
发明人： Jian Meng , Jinghuai Zhang , Dingxiang Tang , Deping Zhang , Daqing Fang
IPC分类号： C22C23/02
CPC分类号： C22C23/02
摘要： This invention relates to an AE series heat resistant compression casting magnesium alloy containing cerium and lanthanum and the composition ingredients and the weight percentage thereof are as follows: Al: 3%˜5%, Ce: 0.4%˜2.6%, La: 0.4%˜2.6%, Mn: 0.2%˜0.6%, and the remainder is magnesium. The raw material of cerium lanthanum mixture of rare earth used is the residual, cheap and overstocked cerium lanthanum mixture of rare earth obtained from common cerium rich mixture of rare earth after the Nd, Rr with high value and good market have been separated. The mechanical performance of this invention at room temperature and high temperature excels that of AE 44 and AZ 91 alloys, and the minimum creep rate of 1.82×10-9 S-1 and the creep percentage elongation in 100 h of 0.17% at the condition of 200° C. and 70 MPa excel these of AE 44 alloy.
摘要翻译：本发明涉及含有铈和镧的AE系列耐热压铸镁合金，其组成成分及其重量百分比如下：Al：3％〜5％，Ce：0.4％〜2.6％，La：0.4％〜2.6％，Mn：0.2％〜0.6％，其余为镁。所用稀土铈铈镧混合物的原料是残余，廉价和过量的铈镧稀土稀土混合物从稀土稀土稀土中获得的Nd，Rr具有很高的价值和良好的市场。本发明在室温和高温下的机械性能优于AE 44和AZ 91合金，其最小蠕变速率为1.82×10-9 S-1，100小时蠕变百分比伸长率为0.17％，条件为这些AE 44合金都是200°C和70 MPa。

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