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1.发明授权公开(公告)号：US06328779B1
公开(公告)日：2001-12-11
申请号：US09583500
申请日：2000-05-31
申请人： Lin He , Gregory A. Merkel , Cameron W. Tanner , Dale R. Wexell
发明人： Lin He , Gregory A. Merkel , Cameron W. Tanner , Dale R. Wexell
IPC分类号： B01D3920
CPC分类号： C04B41/009 , C04B41/5027 , C04B41/87 , C04B2111/00793 , F01N3/0222 , F01N3/028 , Y10S55/30 , C04B41/4539 , C04B35/01 , C04B38/0006
摘要： A filter for trapping and combusting diesel exhaust particulates and method of making the same. The filter comprises a monolithic substrate coated with a refractory oxide material which at a frequency of 2.45 GHz heats up said filter from room temperature to about 600° C. in 5 minutes or less, and wherein said refractory oxide material has a loss tangent which decreases with increasing temperature such that an equilibrium in said filter temperature is reached at no greater than 1100° C. The microwave-absorbing material having a composition selected from the group consisting of A1−xMxB1−yM′yO3−&agr;, where A and M are selected from the group consisting of Na, K, Rb, Ag, Ca, Sr, Ba, Pb, La, Pr, Nd, Bi, Ce, Th and combinations thereof; where B and M′ are selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Rh, Ru, Pt, Zn, Nb, Ta, Mo, W and combinations thereof; wherein, the chemical formula is electrostatically balanced; (A′aRrM″m)(Z)4(X)6O24, where A′ is from Group IA metals; where R is selected from Group IIA metals; where M″ is selected from the group consisting of Mn, Co, Cu, Zn, Y, lanthanides and combinations thereof; where Z is selected from the group consisting of Zr, Hf, Ti, Nb, Ta, Y, lanthanides, Sn, Fe, Co, Al, Mn, Zn, Ni, and combinations thereof; where X is selected from the group consisting of P, Si, As, Ge, B, Al, and combinations thereof.
摘要翻译： 用于捕集和燃烧柴油废气颗粒物的过滤器及其制造方法。 过滤器包括涂覆有难熔氧化物材料的整体式基材，其在2.45GHz的频率下在5分钟或更短的时间内将所述过滤器从室温加热至约600℃，并且其中所述耐火氧化物材料具有减少的损耗角正切 随着温度的升高使得所述过滤器温度的平衡达到不超过1100℃。具有选自Al-xMxB1-yM'yO3-α的组成的微波吸收材料，其中A和M是 选自Na，K，Rb，Ag，Ca，Sr，Ba，Pb，La，Pr，Nd，Bi，Ce，Th及其组合; 其中B和M'选自Ti，V，Cr，Mn，Fe，Co，Ni，Rh，Ru，Pt，Zn，Nb，Ta，Mo，W及其组合; 其中，化学式是静电平衡的; （A'aRrM''m）（Z）4（X）6O24，其中A'来自IA族金属; 其中R选自IIA族金属; 其中M“选自Mn，Co，Cu，Zn，Y，镧系元素及其组合; 其中Z选自Zr，Hf，Ti，Nb，Ta，Y，镧系元素，Sn，Fe，Co，Al，Mn，Zn，Ni及其组合; 其中X选自P，Si，As，Ge，B，Al及其组合。
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公开(公告)号：US06322605B1
公开(公告)日：2001-11-27
申请号：US09584932
申请日：2000-05-31
申请人： Lin He , Gregory A. Merkel , Cameron W. Tanner , Dale R. Wexell
发明人： Lin He , Gregory A. Merkel , Cameron W. Tanner , Dale R. Wexell
IPC分类号： B01D3920
CPC分类号： F01N3/028 , F01N2370/22 , Y10S55/30
摘要： A filter for trapping and combusting diesel exhaust particulates comprising a microwave-absorbing filter body formed from a ceramic material having a general formula selected from the group consisting of A1−xMxB1−yM′yO3−&agr;, where A and M are selected from the group consisting of Na, K, Rb, Ag, Ca, Sr, Ba, Pb, La, Pr, Nd, Bi, Ce, Th and combinations thereof; where B and M′ are selected from the group consisting of Ti, V, Cr, Mn, Fe, Co, Ni, Rh, Ru, Pt, Zn, Nb, Ta, Mo, W and combinations thereof; wherein, the chemical formula is electrostatically balanced; (A′aRrM″m)(Z)4(X)6O24, where A′ is from Group IA metals; where R is selected from Group IIA metals; where M″ is selected from the group consisting of Mn, Co, Cu, Zn, Y, lanthanides and combinations thereof; where Z is selected from the group consisting of Zr, Hf, Ti, Nb, Ta, Y, lanthanides, Sn, Fe, Co, Al, Mn, Zn, Ni, and combinations thereof; where X is selected from the group consisting of P, Si, As, Ge, B, Al, and combinations thereof; wherein, the chemical formula is electrostatically balanced.
摘要翻译： 一种用于捕集和燃烧柴油废气颗粒的过滤器，包括由具有选自Al-xMxB1-yM'yO3-α的通式的陶瓷材料形成的微波吸收过滤器主体，其中A和M选自组 由Na，K，Rb，Ag，Ca，Sr，Ba，Pb，La，Pr，Nd，Bi，Ce，Th及其组合组成; 其中B和M'选自Ti，V，Cr，Mn，Fe，Co，Ni，Rh，Ru，Pt，Zn，Nb，Ta，Mo，W及其组合; 其中，化学式是静电平衡的; （A'aRrM''m）（Z）4（X）6O24，其中A'来自IA族金属; 其中R选自IIA族金属; 其中M“选自Mn，Co，Cu，Zn，Y，镧系元素及其组合; 其中Z选自Zr，Hf，Ti，Nb，Ta，Y，镧系元素，Sn，Fe，Co，Al，Mn，Zn，Ni及其组合; 其中X选自P，Si，As，Ge，B，Al及其组合; 其中，化学式是静电平衡的。
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3.发明授权Low sintering temperature cordierite batch and cordierite ceramic produced therefrom 失效低烧结温度由其生产的堇青石和堇青石陶瓷公开(公告)号：US06391813B1
公开(公告)日：2002-05-21
申请号：US09473376
申请日：1999-12-28
申请人： Gregory A. Merkel
发明人： Gregory A. Merkel
IPC分类号： C04B35195
CPC分类号： C04B35/195 , C04B38/0006 , C04B2111/00129 , C04B2111/0081 , C04B2111/325
摘要： The invention is directed at sintered ceramic articles exhibiting a primary crystalline phase of cordierite and an analytical oxide composition, in weight percent, of 44-53% SiO2, 30-38 Al2O3, 11-16% MgO and 0.05 to 10% of a metal oxide. The ceramic article exhibits a coefficient of thermal expansion in at least one direction no greater than about 15.0×10−7° C. over the temperature range of about 25° C. to about 800° C. The sum of the weight percentages of residual mullite, corundum, and spinel, as measured by X-ray diffractometry of the crushed and powdered body, is not greater than 15%. Furthermore, the invention discloses a method of producing the aforementioned ceramic body, comprising (a) selecting a raw material batch mixture for forming the cordierite ceramic body, comprising two or more compounds which serve as an alumina source, a silica source and a magnesia source, and at least one metal oxide source in an amount to result in the cordierite body comprising, on an analytical oxide basis, in weight percent, between about 0.05-10% of the metal oxide; (b) adding an organic binder system to the inorganic mixture and forming the mixture into a green body; (c) drying the green body and thereafter firing the green body at a time and at a temperature no greater than about 1300° C. to result in sintered ceramic body. Preferred metal oxide sources include the oxides or oxide-forming compounds of the metals selected from the group consisting of molybdenum, tungsten, bismuth, copper, yttrium, lanthanide metals and boron.
摘要翻译： 本发明涉及显示堇青石的主结晶相和分析氧化物组合物的烧结陶瓷制品，其重量百分比为44-53％SiO 2，30-38 Al 2 O 3，11-16％MgO和0.05至10％的金属 氧化物。 在约25℃至约800℃的温度范围内，陶瓷制品在至少一个方向上显示不大于约15.0×10-7℃的热膨胀系数。残余莫来石的重量百分比之和 ，刚玉和尖晶石，通过粉碎和粉碎体的X射线衍射测量，不大于15％。 此外，本发明公开了一种制造上述陶瓷体的方法，包括（a）选择用于形成堇青石陶瓷体的原料分批混合物，其包含两种或更多种用作氧化铝源的化合物，二氧化硅源和氧化镁源 ，并且导致堇青石体的量的至少一种金属氧化物源以分析氧化物为基准，以重量百分比计包含约0.05-10％的金属氧化物;（b）将有机粘合剂体系加入到 无机混合物并将混合物形成生坯;（c）干燥生坯，然后在不大于约1300℃的温度下煅烧生坯以产生烧结陶瓷体。优选的金属氧化物源 包括选自钼，钨，铋，铜，钇，镧系元素金属和硼中的金属的氧化物或氧化物形成化合物。
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4.发明授权公开(公告)号：US06377729B2
公开(公告)日：2002-04-23
申请号：US09747561
申请日：2000-12-22
申请人： Gregory A. Merkel
发明人： Gregory A. Merkel
IPC分类号： G02B600
CPC分类号： C04B35/495 , C04B35/01 , G02B6/0218 , G02B6/12
摘要： Negative thermal expansion materials, methods of preparation and uses therefor are disclosed. The materials are useful for negative thermal expansion substrates, such as those used for optical fiber gratings.
摘要翻译： 公开了负热膨胀材料，其制备方法和用途。 这些材料可用于负热膨胀基板，例如用于光纤光栅的材料。
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公开(公告)号：US5922297A
公开(公告)日：1999-07-13
申请号：US953447
申请日：1997-10-17
申请人： Gregory A. Merkel
发明人： Gregory A. Merkel
CPC分类号： C04B35/447 , C01B25/37 , C04B2235/3201 , C04B2235/3215 , C04B2235/3217 , C04B2235/3225 , C04B2235/3227 , C04B2235/3232 , C04B2235/3241 , C04B2235/3244 , C04B2235/3251 , C04B2235/3272 , C04B2235/3279 , C04B2235/3286 , C04B2235/3287 , C04B2235/3418 , C04B2235/3463 , C04B2235/447 , C04B2235/604 , C04B2235/761 , C04B2235/767 , C04B2235/80 , C04B2235/9607
摘要： A compound having the general formula AM.sub.1+y.sup.3+ M.sub.2-2y.sup.4+ M.sub.y.sup.5+ Si.sub.2 P.sub.6 O.sub.25, wherein A can be K, Rb, or Cs, M.sup.3+ can be Al, Ga, Cr, Fe, Sc, In, Y, lanthanide series elements, or combinations of these, M.sup.4+ can be Si, Ge, Ti, Ir, Ru, Sn, Hf, Zr, or combinations of these, M.sup.5+ can be V, Nb, Ta, or combinations of these, 0.ltoreq.y.ltoreq.1, the mean ionic radius of the M.sup.3+ cations and the mean ionic radius of the M.sup.5+ cations are each about 0.4 to 1.00 .ANG. when coordinated by six oxygen anions, and the mean ionic radii of the M.sup.4+ cations and the M.sup.5+ cations are each no greater than about 0.53+(0.30.times.the mean ionic radius of the M.sup.3+ cations). The compound can be made by a dry powder method that involves providing a homogeneous powder mixture of raw materials to form the compound, shaping the mixture into a preform, and firing the preform at a sufficient temperature and for a sufficient time to form the product compound. The compound can be made by a sol gel method that involves providing the raw materials in solution form, drying the solution to obtain a sol gel powder, calcining, pulverizing, and shaping the sol gel powder, followed by firing.
摘要翻译： 具有通式AM1 + y3 + M2-2y4 + My5 + Si2P6O25的化合物，其中A可以是K，Rb或Cs，M3 +可以是Al，Ga，Cr，Fe，Sc，In，Y，镧系元素， 或这些的组合，M4 +可以是Si，Ge，Ti，Ir，Ru，Sn，Hf，Zr或它们的组合，M5 +可以是V，Nb，Ta或这些的组合，0 < = 1，当由六个氧阴离子配位时，M3 +阳离子的平均离子半径和M5 +阳离子的平均离子半径分别为约0.4至1.00安培，M4 +阳离子和M5 +阳离子的平均离子半径各为 大于约0.53+（0.30 + M3 +阳离子的平均离子半径）。 化合物可以通过干粉法制备，其包括提供原料的均匀粉末混合物以形成化合物，将混合物成型为预成型体，并在足够的温度下烧制预制件并足够的时间以形成产物化合物 。 该化合物可以通过溶胶凝胶法制备，其包括以溶液形式提供原料，干燥溶液以获得溶胶凝胶粉末，煅烧，粉碎和成型溶胶凝胶粉末，随后进行烧制。
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公开(公告)号：US4775596A
公开(公告)日：1988-10-04
申请号：US15992
申请日：1987-02-18
CPC分类号： H01L23/15 , H01L2924/0002 , H01L2924/09701 , H01L2924/3011 , Y10S428/901 , Y10T428/24917 , Y10T428/24926
摘要： This invention is particularly directed to the preparation of inorganic ceramic laminated structures for use as substrates in integrated circuit packages. One lamina is composed of a high thermal conductivity material, the second lamina is composed of a low thermal conductivity material having a dielectric constant below 10, a sintering temperature below 1050.degree. C., and a linear coefficient of thermal expansion compatible with that of the other lamina, and a bonding medium sealing the two laminae together exhibiting flow at a temperature below the sintering temperature of the second lamina and a linear coefficient of thermal expansion compatible with those of the two laminae.
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公开(公告)号：USRE38888E1
公开(公告)日：2005-11-22
申请号：US10668097
申请日：2003-09-22
IPC分类号： F01N3/02 , B01D39/00 , B01D39/20 , B01D46/00 , C04B35/195 , C04B38/00 , F01N3/022 , B01D39/06
CPC分类号： C04B38/0051 , B01D39/2068 , C04B35/195 , C04B38/00 , C04B2111/00793 , F01N3/022 , F01N2330/06 , Y10S55/30 , C04B38/0006 , C04B38/0054 , C04B38/0074 , C04B38/0067
摘要： A ceramic comprising predominately a cordierite-type phase approximating the stoichiometry Mg2Al4Si5O18 and having a coefficient of thermal expansion (25-800° C.) of greater than 4×10−7/° C. and less than 13×10−7/° C. and a permeability and a pore size distribution which satisfy the relation 2.108 (permeability)+18.511 (total pore volume)+0.1863 (percentage of total pore volume comprised of pores between 4 and 40 micrometers)>24.6. The ceramic is suitable in the fabrication of cellular, wall-flow, diesel particulate filters having a pressure drop in kPa that at an artificial carbon soot loading of 5 grams/liter and a flow rate of 26 scfm is less than 8.9-0.035 (number of cells per square inch)+300 (cell wall thickness in inches), a bulk filter density of at least 0.60 g/cm3 and a volumetric heat capacity of at least 0.67 J cm−3 K−1 as measured at 500° C.
摘要翻译： 主要由堇青石型相组成的陶瓷，其近似化学计量的Mg 2 Al 4 Si 5 O 18，并且具有 热膨胀系数（25-800℃）大于4×10 -7 /℃，小于13×10 -7 /℃，渗透率 和孔径分布满足关系式2.108（渗透率）+18.511（总孔体积）+0.1863（由4微米与40微米之间的孔组成的总孔体积的百分比）> 24.6。 该陶瓷适用于制造具有以kPa为单位的压力降的细胞壁流式柴油微粒过滤器，在人造碳烟负荷为5克/升，流速26scfm小于8.9-0.035（数量 的细胞/平方英寸）+300（细胞壁厚（英寸）），体积过滤密度至少为0.60g / cm 3，体积热容至少为0.67Jcm- 在500℃下测量的3 -1
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公开(公告)号：US06773657B2
公开(公告)日：2004-08-10
申请号：US10174345
申请日：2002-06-17
IPC分类号： B28B320
CPC分类号： C04B38/0006 , C04B35/195 , C04B2111/00129 , C04B2111/0037 , C04B2111/0081 , C04B2111/32 , Y10T428/24149 , Y10T428/24273 , C04B38/0051 , C04B38/0054 , C04B38/007
摘要： A sintered ceramic that exhibits an average linear coefficient of thermal expansion (25-800° C.) below about 5.0×10−7° C.−1, a total porosity between the range of 20% to about 30%. Furthermore, the sintered ceramic article exhibits a pore size distribution such that at least about 86% of pores are of a pore size of less than about 2 &mgr;m. Lastly, the ceramic article exhibits an interconnected pore structure with the pores exhibiting a generally elongated shape, i.e., the pores are predominately oriented with their long axis in the plane of the webs. This invention also relates to a method for producing a sintered cordierite ceramic article involving first compounding and plasticizing a cordierite-forming inorganic powder batch comprising a platy talc having median particle of size less than about 2 &mgr;m, and preferably a talc morphology index greater than about 0.75. The batch further comprises at least 4% by weight of the inorganic powder batch mixture of a dispersible Al2O3-forming source having a specific surface area in excess of 50 m2/g and one or more of the components of kaolin, calcined kaolin, silica, and corundum, each having a median particle sizes less than 5 &mgr;m. The plasticized powder batch thus provided is next formed into a green honeycomb by extrusion through a honeycomb extrusion die and the green honeycomb is fired to a temperature and for a time sufficient to convert the green honeycomb into a crystallized cordierite ceramic article having the aforementioned properties.
摘要翻译： 表现出低于约5.0×10 -7℃的平均线性热膨胀系数（25-800℃）的烧结陶瓷，总孔隙率在20％至30％之间。 此外，烧结陶瓷制品表现出孔径分布，使得孔的至少约86％的孔径小于约2μm。 最后，陶瓷制品表现出相互连通的孔结构，其中孔呈现出大致细长的形状，即孔主要以其长轴在纤维网的平面中取向。 本发明还涉及一种生产堇青石烧结陶瓷制品的方法，该方法首先将形成堇青石的无机粉末批料混合并增塑，该组合物包含平均粒径小于约2μm的平板状滑石，优选滑石形态指数大于约 0.75。 该批料还包含至少4重量％的比表面积超过50m 2 / g的可分散Al 2 O 3形成源的无机粉末批料混合物和一种或多种高岭土，煅烧高岭土的组分 ，二氧化硅和刚玉，各自具有小于5μm的中值粒度。 由此提供的增塑粉末批料通过蜂窝状挤压模挤出而形成绿色蜂窝状体，将生坯状的蜂窝体烧制至足以将生坯成型为具有上述特性的结晶堇青石陶瓷制品的温度和时间。
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公开(公告)号：US06562284B2
公开(公告)日：2003-05-13
申请号：US10027993
申请日：2001-12-19
IPC分类号： C04B35195
CPC分类号： C04B38/0006 , C04B35/195 , C04B35/63 , C04B35/632 , C04B35/636 , C04B2235/3217 , C04B2235/3218 , C04B2235/3418 , C04B2235/3445 , C04B2235/349 , C04B2235/449 , C04B2235/5409 , C04B2235/5436 , C04B2235/5445 , C04B2235/9615
摘要： This invention relates to a method of producing a honeycomb ceramic body exhibiting a predetermined radial dimension comprising producing a green ceramic honeycomb body that exhibits a radial dimension at least 9% greater than the predetermined radial dimension and a cell density of at least 500 cpsi. The method further involves shrinking the green body during firing to form a sintered honeycomb ceramic body exhibiting the final predetermined radial dimension. This invention also relates to a method of producing a ceramic body comprising the following steps: (a) compounding and plasticizing a ceramic raw material mixture and forming the plasticizable raw material mixture into a green ceramic body by extrusion through an extrusion die; (b) drying the green body and thereafter firing the green body at a time and at a temperature sufficient to sinter the ceramic body resulting in a radial shrinkage of the green ceramic body in the radial dimension due to the firing of at least 9%.
摘要翻译： 本发明涉及一种生产具有预定径向尺寸的蜂窝状陶瓷体的方法，其包括生产呈现比预定径向尺寸大至少9％的径向尺寸和至少500cpsi的泡孔密度的生陶瓷蜂窝体。 该方法还包括在焙烧期间收缩生坯以形成呈现最终预定径向尺寸的烧结蜂窝陶瓷体。 本发明还涉及一种陶瓷体的制造方法，其特征在于包括以下步骤：（a）将陶瓷原料混合物进行配混和塑化，并通过挤出模挤出将可塑性原料混合物形成生坯陶瓷体;（b） 干燥生坯，然后在足以烧结陶瓷体的时间和温度下焙烧生坯，导致由于烧制至少9％，生坯陶瓷体在径向尺寸上的径向收缩。
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10.发明授权公开(公告)号：US06432856B1
公开(公告)日：2002-08-13
申请号：US09590106
申请日：2000-06-08
IPC分类号： C04B3503
CPC分类号： C04B38/0006 , C04B35/195 , C04B2111/00129 , C04B2111/0037 , C04B2111/0081 , C04B2111/32 , Y10T428/24149 , Y10T428/24273 , C04B38/0051 , C04B38/0054 , C04B38/007
摘要： A sintered ceramic honeycomb article that exhibits an average linear coefficient of thermal expansion (25-800° C.) below about 5.0×10−7° C.−1, a total porosity between the range of 20% to about 30%, and a pore size distribution such that at least about 86% of pores are of a pore size of less than about 2 &mgr;m with the pores exhibiting a generally elongated shape oriented with their long axis in the plane of the webs, the article being made from a cordierite-forming inorganic powder batch comprising a platy talc having median particle of size less than about 2 &mgr;m, at least 4% by weight of a dispersible Al2O3-forming source having a specific surface area in excess of 50 m2/g, and one or more of the components of kaolin, calcined kaolin, silica, and corundum, each having a median particle sizes less than 5 &mgr;m.
摘要翻译： 一种烧结陶瓷蜂窝体制品，其平均线性热膨胀系数（25-800℃）低于约5.0×10-7℃-1，总孔隙率在20％至30％之间，和 孔尺寸分布使得至少约86％的孔具有小于约2μm的孔径，其中孔具有以其长轴在幅平面中定向的大致细长形状，该制品由堇青石制成 包含具有中值粒径小于约2μm的片状滑石的至少4重量％的比表面积超过50m 2 / g的可分散Al 2 O 3形成源的至少4重量％的无机粉末批料，以及一种或多种 的高岭土，煅烧高岭土，二氧化硅和刚玉的组分，各自具有小于5μm的中值粒度。
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