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    Glass-ceramic containing a stabilized hexacelsian crystal structure
    1.
    发明授权
    Glass-ceramic containing a stabilized hexacelsian crystal structure 失效
    含有稳定的六边形晶体结构的玻璃陶瓷

    公开(公告)号：US5910459A

    公开(公告)日：1999-06-08

    申请号：US742611

    申请日：1996-10-28

    申请人： George H. Beall ,  Hans J. Holland ,  Jeffrey T. Kohli

    发明人： George H. Beall ,  Hans J. Holland ,  Jeffrey T. Kohli

    IPC分类号： C03C10/00 ,  C03C10/06

    CPC分类号： C03C10/0045 ,  Y10S977/811

    摘要： The glass-ceramic material of the present invention has the hexagonal sheet structure of hexacelsian as its primary crystal phase and exhibits x-ray diffraction patterns indicative of hexacelsian, said glass-ceramic material has a stabilized thermal expansion and an overall weight percent composition comprising: 35-55% SiO.sub.2, 5-25% Al.sub.2 O.sub.3, 5-25% MgO, 5-35% BaO, 6-14% TiO.sub.2, 0-10% ZnO, and 0-8% ZrO.sub.2.

    摘要翻译： 本发明的玻璃 - 陶瓷材料具有六面体结构的六面体作为其主要结晶相，并且表现出表示六面体的x射线衍射图案，所述玻璃 - 陶瓷材料具有稳定的热膨胀和总体重量百分比组成，包括： 35-55％SiO 2，5-25％Al 2 O 3，5-25％MgO，5-35％BaO，6-14％TiO 2，0-10％ZnO和0-8％ZrO 2。

    Glass-ceramics containing lithium disilicate and tridymite
    2.
    发明授权
    Glass-ceramics containing lithium disilicate and tridymite 失效
    含有二硅酸锂和鳞石英的玻璃陶瓷

    公开(公告)号：US5744208A

    公开(公告)日：1998-04-28

    申请号：US265192

    申请日：1994-06-24

    申请人： George H. Beall ,  Jeffrey T. Kohli

    发明人： George H. Beall ,  Jeffrey T. Kohli

    IPC分类号： G11B5/73 ,  G11B5/66

    CPC分类号： C03C10/00 ,  C03C10/0009 ,  C03C3/087 ,  C03C3/097 ,  G11B5/7315 ,  Y10S428/90 ,  Y10T428/21

    摘要： This invention is directed at the makings of glass-ceramic which is uniquely suited for use as a disc substrate for utilization in a magnetic memory storage device. The glass ceramic material exhibits a crystal phase assemblage comprised predominately of a mixture of lithium disilicate and tridymite which are uniformly interspersed with a residual glass phase and form an interlocked microstructure with the glass. The composition consists essentially, expressed in terms of weight percent on the oxide basis, of 75-95% SiO.sub.2, 3-15% Li.sub.2 O, 0-6% Al.sub.2 O.sub.3, and 0-6% K.sub.2 O. The nucleating agent for this glass-ceramic is selected from the group consisting of 0-0.1% Pd and 0-5% P.sub.2 O.sub.5 ; however if Pd is absent the P.sub.2 O.sub.5 amount is at least 0.5% and if P.sub.2 O.sub.5 is absent then the Pd amount is at least 0.005%. Additionally, up to 15% of optional ingredients may be added, including, B.sub.2 O.sub.3, Na.sub.2 O, ZnO, MgO, CaO, SrO, ZrO.sub.2, TiO.sub.2, F, Sb.sub.2 O.sub.3, As.sub.2 O.sub.3, PbO and BaO.

    摘要翻译： 本发明涉及玻璃陶瓷的特征，其特别适用于磁盘存储装置中的盘基片。 玻璃陶瓷材料表现出主要由二硅酸锂和鳞石英的混合物组成的晶相组合物，其均匀地散布有残留的玻璃相并与玻璃形成互锁的微观结构。 该组合物基本上以75-95％SiO 2，3-15％Li 2 O，0-6％Al 2 O 3和0-6％K 2 O为基础，以氧化物为基准以重量百分比表示。 该玻璃陶瓷的成核剂选自0-0.1％Pd和0-5％P 2 O 5; 然而，如果Pd不存在，则P 2 O 5量为至少0.5％，如果不存在P 2 O 5，则Pd量为至少0.005％。 另外，可添加高达15％的任选成分，包括B2O3，Na2O，ZnO，MgO，CaO，SrO，ZrO2，TiO2，F，Sb2O3，As2O3，PbO和BaO。

    High modulus glass-ceramics containing fine grained spinel-type crystals
    4.
    发明授权
    High modulus glass-ceramics containing fine grained spinel-type crystals 失效
    含有细晶尖晶石型晶体的高模量玻璃陶瓷

    公开(公告)号：US5476821A

    公开(公告)日：1995-12-19

    申请号：US332703

    申请日：1994-11-01

    申请人： George H. Beall ,  Linda R. Pinckney

    发明人： George H. Beall ,  Linda R. Pinckney

    IPC分类号： C03B27/00 ,  C03C10/00 ,  C03C10/02 ,  G11B5/66 ,  G11B5/73

    CPC分类号： G11B5/7315 ,  C03C10/0036

    摘要： This invention is directed at glass-ceramic articles, and methods for producing such articles, exhibiting Young's modulus between about 14 to 24.times.10.sup.6 psi and a fracture toughness in excess of 1.0 MPa.sqroot. in. The crystal phase assemblage is comprised predominately of generally uniformly-sized spinel-type crystals which are uniformly dispersed within a highly siliceous residual glass matrix phase. The composition of these glass-ceramic articles is consists essentially, expressed in terms of weight percent on the oxide basis, of 35-60% SiO.sub.2, 20-35% Al.sub.2 O.sub.3, 0-25% MgO, 0-25% ZnO, at least about 10% MgO+ZnO, 0-20% TiO.sub.2, 0-10% ZrO.sub.2, 0-2% Li.sub.2 O and 0-8% NiO. However, if the Al.sub.2 O.sub.3 constituent is present in an amount less than about 25%, the TiO.sub.2 +ZrO.sub.2 +NiO amount should be at least 5%. The composition may also contain up to 5% of optional constituents selected from the group consisting of BaO, CaO, PbO, SrO, P.sub.2 O.sub.5, B.sub.2 O.sub.3, Ga.sub.2 O.sub.3, 0-5% R.sub.2 O and 0- 8% of a transition metal oxide; the R.sub.2 O selected from the group consisting of Na.sub.2 O, K.sub.2 O, Rb.sub.2 O and C.sub.2 O.

    摘要翻译： 本发明涉及玻璃陶瓷制品，以及用于制造这种制品的方法，其展示杨氏模量在约14至24×10 6 psi之间，断裂韧性超过1.0MPa 2ROOT in。晶相组合主要由通常均匀的尺寸 均匀分散在高度硅质残留玻璃基质相中的尖晶石型晶体。 这些玻璃陶瓷制品的组成基本上以氧化物的重量百分比表示，包括35-60％SiO 2，20-35％Al 2 O 3，0-25％MgO，0-25％ZnO，至少 约10％的MgO + ZnO，0-20％的TiO 2，0-10％的ZrO 2，0-2％的Li 2 O和0-8％的NiO。 然而，如果Al 2 O 3组分以小于约25％的量存在，则TiO 2 + ZrO 2 + NiO的量应至少为5％。 该组合物还可以含有高达5％的选自BaO，CaO，PbO，SrO，P 2 O 5，B 2 O 3，Ga 2 O 3，0-5％R 2 O和0-8％的过渡金属氧化物的任选成分; R2O选自Na2O，K2O，Rb2O和C2O。

    Zinc sulfophosphate glasses
    5.
    发明授权
    Zinc sulfophosphate glasses 失效
    硫酸磷酸钠眼镜

    公开(公告)号：US5328874A

    公开(公告)日：1994-07-12

    申请号：US136893

    申请日：1993-10-18

    申请人： George H. Beall ,  Joseph E. Pierson

    发明人： George H. Beall ,  Joseph E. Pierson

    IPC分类号： C03C3/17 ,  C03C3/16

    CPC分类号： C03C3/17

    摘要： This invention relates to the preparation of a glass exhibiting a transition temperature normally below about 300.degree., a working temperature below about 400.degree., while, at the same time, exhibiting excellent resistance to attack by water. Specifically, the present invention discloses a glass consisting essentially in terms of mole percent on the oxide basis, of 15-35% P.sub.2 O.sub.5, 1-25% SO.sub.3, 30-55% ZnO, 0-25% R.sub.2 O, wherein R.sub.2 O is selected from the group consisting of 0-25% Li.sub.2 O, 0-25% Na.sub.2 O, and 0-25% K.sub.2 O, and up to a total of 15% of optional ingredients in the indicated proportions selected from the group consisting of 0-10% Al.sub.2 O.sub.3, 0-10% MgO, 0-10% CaO, 0-10% SrO, 0-10% BaO, 0-10% MnO, 0-10% transition metal oxides and 0-15% Cl+F, as analyzed in weight percent.

    摘要翻译： 本发明涉及一种玻璃的制备，其转变温度通常低于约300℃，工作温度低于约400℃，同时表现出优异的耐水侵蚀性。 具体地说，本发明公开了一种基本上以氧化物摩尔百分数计的玻璃，15-35％的P2O5，1-25％的SO3，30-55％的ZnO，0-25％的R2O，其中R2O选自 由0-25％Li 2 O，0-25％Na 2 O和0-25％K 2 O组成的组，以及以指定比例选择的至少15％的任选成分的组合，所述比例选自0-10％的Al 2 O 3， 0-10％MgO，0-10％CaO，0-10％SrO，0-10％BaO，0-10％MnO，0-10％过渡金属氧化物和0-15％Cl + F，如重量分析 百分。

    Zinc-containing phosphate glasses
    9.
    发明授权
    Zinc-containing phosphate glasses 失效
    含锌磷酸盐玻璃

    公开(公告)号：US4940677A

    公开(公告)日：1990-07-10

    申请号：US456550

    申请日：1989-12-26

    申请人： George H. Beall ,  Candace J. Quinn

    发明人： George H. Beall ,  Candace J. Quinn

    IPC分类号： C03C3/16 ,  C03C3/17 ,  C03C3/19

    CPC分类号： C03C3/17 ,  C03C3/16 ,  C03C3/19

    摘要： This invention is directed to the preparation of glasses exhibiting a transition temperature below 450.degree. C., a working temperature below 500.degree. C., and excellent resistance to attack by water and mild aqueous alkaline solutions. The glasses consist essentially, in mole percent, of at least 65% total of 23-55% ZnO, 28-40% P.sub.2 O.sub.5, and 10-35% R.sub.2 O, wherein R.sub.2 O consists of at least two alkali metal oxides in the indicated proportions selected from the group consisting of 0-25% Li.sub.2 O, 0-25% Na.sub.2 O, and 0-25% K.sub.2 O, and up to 35% total of optional ingredients in the indicated proportions selected from the group consisting of 0-6% Al.sub.2 O.sub.3, 0-8% B.sub.2 O.sub.3, 0-8% Al.sub.2 O.sub.3 +B.sub.2 O.sub.3, 0-15% Cu.sub.2 O, 0-5% F, 0-35% PbO, 0-35% SnO, 0-35% PbO+SnO, 0-5% ZrO.sub.2, 0-4% SiO.sub.2, and 0-15% MgO+CaO+SrO+BaO+MnO, consisting of 0-10% MgO, 0-10% CaO, 0-10% SrO, 0-12% BaO, and 0- 10% MnO.

    摘要翻译： 本发明涉及玻璃转变温度低于450℃，工作温度低于500℃的玻璃的制备，以及耐水和温和的碱性水溶液的优异抗性。 玻璃基本上以摩尔百分数计至少65％的23-55％的ZnO，28-40％的P 2 O 5和10-35％的R 2 O，其中R 2 O由至少两种选定的指定比例的碱金属氧化物组成 来自由0-25％Li 2 O，0-25％Na 2 O和0-25％K 2 O组成的组，以及以指定比例选择的至多35％的任选成分的总量，所述比例选自0-6％Al2O3,0 -8％B2O3，0-8％Al2O3 + B2O3,0-15％Cu2O，0-5％F，0-35％PbO，0-35％SnO，0-35％PbO + SnO，0-5％ZrO2 ，0-4％SiO2和0-15％MgO + CaO + SrO + BaO + MnO，由0-10％MgO，0-10％CaO，0-10％SrO，0-12％BaO和0 - 10％MnO。