公开(公告)号：US5248477A

公开(公告)日：1993-09-28

申请号：US964322

申请日：1992-10-21

申请人： William G. Green ,  Harvey L. King ,  Vladimir Petrovich ,  James E. Hillis ,  William E. Mercer, II

发明人： William G. Green ,  Harvey L. King ,  Vladimir Petrovich ,  James E. Hillis ,  William E. Mercer, II

IPC分类号： C22C1/02

CPC分类号： C22C1/02 ,  C22C1/06 ,  C22C21/10 ,  C22C22/00 ,  C22C23/02 ,  C22C23/06

摘要： A method for producing a high purity magnesium alloy is disclosed in which the alloying components are introduced in the molten state into molten magnesium. In accordance with the process of the invention, a predetermined amount of primary magnesium is heated and melted in a crucible. Predetermined amounts of desired alloying metals are selected and heated to their melting temperature in a separate crucible. The molten alloying metals are then introduced into the molten magnesium to substantially instantaneously alloy with the molten magnesium in a reaction raising the temperature of the melt. Elemental manganese when first alloyed with other alloying metals prior to its addition to the molten magnesium is found to consistently be more effective in reducing the iron impurity level of the melt to a level below 50 ppm. The introduction of a molten alloy of manganese and one or more rare earth metals into the molten magnesium, reduces a settling out of the rare earth metal from the melt and increases the alloying efficiency for the rare earth metal to greater than 80%. The efficiency of the process of the invention is substantially increased, the consumption of time and energy is decreased, and the production of magnesium chloride slag and gaseous HCl is avoided.

摘要翻译： 公开了一种高纯度镁合金的制造方法，其中将熔融状态的合金成分引入熔融镁中。 根据本发明的方法，将预定量的初级镁在坩埚中加热熔化。 选择预定量的所需合金金属并在单独的坩埚中将其加热至其熔融温度。 然后将熔融的合金金属引入熔融镁中，以使熔融镁基本上瞬间与熔融镁合金，从而提高熔体的温度。 在添加到熔融镁中之前首先与其它合金金属合金化的元素锰被发现一致地更有效地将熔体的铁杂质水平降低到低于50ppm的水平。 将锰和一种或多种稀土金属的熔融合金引入熔融镁中，减少了稀土金属从熔体中的沉降，并使稀土金属的合金化效率提高到80％以上。 本发明方法的效率显着增加，时间和能量的消耗减少，并且避免了生产氯化镁渣和气态HCl。

公开(公告)号：US4891065A

公开(公告)日：1990-01-02

申请号：US237928

申请日：1988-08-29

申请人： William G. Green ,  James E. Hillis

发明人： William G. Green ,  James E. Hillis

IPC分类号： C22B9/02 ,  C22B26/22

CPC分类号： C22B9/02 ,  C22B26/22 ,  Y02P10/234

摘要： A process for producing magnesium low in iron contamination including contacting a magnesium melt with a combination of a zirconium material and a silicon material to reduce the iron contamination without introducing detrimetal levels of reagent elements in the product magnesium.

摘要翻译： 一种生产低铁含量的镁的方法，包括使镁熔体与锆材料和硅材料的组合接触，以减少铁污染，而不引入产品镁中的试剂含量。

公开(公告)号：US4773930A

公开(公告)日：1988-09-27

申请号：US873905

申请日：1986-06-13

申请人： James E. Hillis ,  William G. Green

发明人： James E. Hillis ,  William G. Green

IPC分类号： C22B26/22

CPC分类号： C22B26/22

摘要： A process for removing iron contamination from molten magnesium by adding to the molten magnesium a mixture of a boron-containing compound and a flux. The boron-containing compound includes, for example, elemental boron, boric acid, and boron oxide. The flux is a conventional magnesium flux. The flux and boron-containing compound mixture is prepared by any suitable means and then added to the molten magnesium at melt temperatures of from about 650.degree. C. to about 700.degree. C. The iron contamination in the magnesium product can be reduced for example from about 400 ppm to less than about 10 ppm.

摘要翻译： 通过向熔融镁中加入含硼化合物和助熔剂的混合物来除去熔融镁中的铁污染的方法。 含硼化合物包括例如元素硼，硼酸和氧化硼。 助焊剂是常规的镁助焊剂。 助熔剂和含硼化合物混合物通过任何合适的方法制备，然后在约650℃至约700℃的熔融温度下加入到熔融镁中。镁产物中的铁污染物可以例如从 约400ppm至小于约10ppm。

公开(公告)号：US4961783A

公开(公告)日：1990-10-09

申请号：US204160

申请日：1988-06-08

申请人： James E. Hillis ,  William G. Green

发明人： James E. Hillis ,  William G. Green

IPC分类号： C22B26/22

CPC分类号： C22B26/22

摘要： A process for removing iron contamination from molten magnesium by adding to the molten magnesium a mixture of a boron-containing compound and a flux. The boron-containing compound includes, for example, elemental boron, boric acid, and boron oxide. The flux is a conventional magnesium flux. The flux and boron-containing compound mixture is prepared by any suitable means and then added to the molten magnesium at melt temperatures of from about 650.degree. C. to about 700.degree. C. The iron contamination in the magnesium product can be reduced for example from about 400 ppm to less than about 10 ppm.

摘要翻译： 通过向熔融镁中加入含硼化合物和助熔剂的混合物来除去熔融镁中的铁污染的方法。 含硼化合物包括例如元素硼，硼酸和氧化硼。 助焊剂是常规的镁助焊剂。 助熔剂和含硼化合物混合物通过任何合适的方法制备，然后在约650℃至约700℃的熔融温度下加入到熔融镁中。镁产物中的铁污染物可以例如从 约400ppm至小于约10ppm。

公开(公告)号：US4134967A

公开(公告)日：1979-01-16

申请号：US834610

申请日：1977-09-19

申请人： James E. Hillis ,  William P. Coker

发明人： James E. Hillis ,  William P. Coker

IPC分类号： C07D301/19 ,  C01B11/22

CPC分类号： C01B11/22

摘要： Mono- and dibasic alkali metal periodates are prepared by reacting tri-, tetra- and pentabasic alkali metal periodates with a substance having a relative acidity value, pKa, of from 3 to 16 at a temperature of from 0.degree. to 100.degree. C at molar ratios of periodate to moles of acidic substance of 1:1 to 1:1000. The mono- and dibasic alkali metal periodates are useful in oxidizing olefins such as propylene to the corresponding oxide such as propylene oxide.

摘要翻译： 单碱式碱金属碱金属高碘酸盐是通过三碱金属，四碱金属和五碱金属碱金属高碘酸盐与相对酸度值pKa为3至16的物质在0至100℃的摩尔 酸性物质的高碘酸酯与摩尔数的比例为1:1至1:1000。 一元和二元碱金属高碘酸盐可用于将烯烃如丙烯氧化成相应的氧化物如环氧丙烷。

公开(公告)号：US6153282A

公开(公告)日：2000-11-28

申请号：US409974

申请日：1995-03-24

申请人： Reed S. Dickinson ,  James E. Hillis

发明人： Reed S. Dickinson ,  James E. Hillis

IPC分类号： B32B13/00 ,  B32B3/10

CPC分类号： B32B13/00 ,  Y10T428/24355 ,  Y10T428/24372 ,  Y10T428/24405 ,  Y10T428/2443 ,  Y10T428/252 ,  Y10T428/2993 ,  Y10T428/2998

摘要： Disclosed is a composite material and a method for the manufacture thereof. The disclosed material includes a layer of polymeric material in substantially continuous surface-to-surface contact with a layer of cementitious material. The composite material can be used as both a planar tactile warning and as a subunit in the construction of three dimensional structures. The external surface of the polymeric material can be configured, i.e., textured or smoothed, as needed for a given application.

摘要翻译： 公开了一种复合材料及其制造方法。 所公开的材料包括与水泥质材料层基本上连续的表面 - 表面接触的聚合物材料层。 复合材料可以用作三维结构的平面触觉警告和作为子单元。 聚合物材料的外表面可以根据给定的应用的需要被配置，即纹理化或平滑化。

公开(公告)号：US5147450A

公开(公告)日：1992-09-15

申请号：US736195

申请日：1991-07-26

申请人： Barry A. Mikucki ,  James E. Hillis

发明人： Barry A. Mikucki ,  James E. Hillis

IPC分类号： C22B26/22

CPC分类号： C22B26/22

摘要： Hydrogen is essentially removed from molten magnesium by the use of a degassing step, thereby substantially avoiding the formation of zirconium hydride when zirconium and silicon are added to the molten magnesium, after the degassing, in order to precipitate iron contamination in the magnesium as an intermetallic compound comprising Fe, Zr, and Si; the ratio of the three metals in the intermetallic compound can vary over a wide range. By essentially avoiding the formation of slow-settling insoluble ZrH.sub.2, the iron removal is more efficient and the settling of the insolubles is expedited. Also, the Fe and Si are more effectively and consistently precipitated.

摘要翻译： 通过使用脱气步骤基本上从熔融的镁中除去氢，从而基本上避免了在脱气后将锆和硅加入到熔融的镁中时形成氢化锆，以便沉淀出作为金属间化合物的镁中的铁​​污染 包含Fe，Zr和Si的化合物; 金属间化合物中的三种金属的比例可以在宽范围内变化。 通过基本上避免形成缓慢沉降的不溶性ZrH 2，铁除去效率更高，并且加速了不溶物的沉降。 此外，Fe和Si更有效和一致地沉淀。