公开(公告)号：US20080276757A1

公开(公告)日：2008-11-13

申请号：US10829823

申请日：2004-04-22

申请人： Narasimha-Rao Venkata Bangaru ,  ChangMin Chun ,  Neeraj Srinivas Thirumalai ,  Shiun Ling ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

发明人： Narasimha-Rao Venkata Bangaru ,  ChangMin Chun ,  Neeraj Srinivas Thirumalai ,  Shiun Ling ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

IPC分类号： C22C29/08

CPC分类号： C22C29/067

摘要： Cermets are provided in which the ceramic phase is selected from the group consisting of Cr23C6, Cr7C3, Cr3C2 and mixtures thereof. The binder phase is selected from certain specified Ni/Cr alloys and certain Fe/Ni/Cr alloys. These cermets are particularly useful in protecting surfaces from erosion at high temperatures.

摘要翻译： 提供了金属陶瓷，其中陶瓷相选自Cr 23 C 6 C 6 C 6 C 7 C 6， SUB 3，Cr 3 3 C 2和它们的混合物。 粘结相选自某些特定的Ni / Cr合金和某些Fe / Ni / Cr合金。 这些金属陶瓷特别适用于在高温下保护表面免受侵蚀。

公开(公告)号：US07438741B1

公开(公告)日：2008-10-21

申请号：US10829823

申请日：2004-04-22

申请人： Narasimha-Rao Venkata Bangaru ,  ChangMin Chun ,  Neeraj Srinivas Thirumalai ,  Shiun Ling ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

发明人： Narasimha-Rao Venkata Bangaru ,  ChangMin Chun ,  Neeraj Srinivas Thirumalai ,  Shiun Ling ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

IPC分类号： C22C29/06

CPC分类号： C22C29/067

摘要： Cermets are provided in which the ceramic phase is selected from the group consisting of Cr23C6, Cr7C3, Cr3C2 and mixtures thereof. The binder phase is selected from certain specified Ni/Cr alloys and certain Fe/Ni/Cr alloys. These cermets are particularly useful in protecting surfaces from erosion at high temperatures.

摘要翻译： 提供了金属陶瓷，其中陶瓷相选自Cr 23 C 6 C 6 C 6 C 6 C 6， SUB 3，Cr 3 3 C 2和它们的混合物。 粘结相选自某些特定的Ni / Cr合金和某些Fe / Ni / Cr合金。 这些金属陶瓷特别适用于在高温下保护表面免受侵蚀。

公开(公告)号：US20080268230A1

公开(公告)日：2008-10-30

申请号：US11641221

申请日：2006-12-19

申请人： Narasimha-Rao Venkata Bangaru ,  ChangMin Chun ,  Neeraj Srinivas Thirumalai ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

发明人： Narasimha-Rao Venkata Bangaru ,  ChangMin Chun ,  Neeraj Srinivas Thirumalai ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

IPC分类号： B32B5/16 ,  B32B15/00

CPC分类号： C22C29/14 ,  C23C24/08 ,  C23C30/00 ,  Y10T428/25 ,  Y10T428/31678

摘要： A cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and binder phase (RS) wherein,P is at least one metal selected from the group consisting of Group IV, Group V, Group VI elements,Q is boride,R is selected from the group consisting of Fe, Ni, Co, Mn and mixtures thereof,S comprises at least one element selected from Cr, Al, Si and Y.

公开(公告)号：US07384444B2

公开(公告)日：2008-06-10

申请号：US11499787

申请日：2006-08-04

申请人： Narasimha-Rao Venkata Bangaru ,  ChangMin Chun ,  Neeraj Srinivas Thirumalai ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

发明人： Narasimha-Rao Venkata Bangaru ,  ChangMin Chun ,  Neeraj Srinivas Thirumalai ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

IPC分类号： C22C29/14

CPC分类号： C22C29/14 ,  C23C24/08 ,  C23C30/00 ,  Y10T428/25 ,  Y10T428/31678

摘要： A cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and binder phase (RS) wherein, P is at least one metal selected from the group consisting of Group IV, Group V, Group VI elements, Q is boride, R is selected from the group consisting of Fe, Ni, Co, Mn and mixtures thereof, S comprises at least one element selected from Cr, Al, Si and Y.

摘要翻译： 由式（PQ）（RS）表示的金属陶瓷组合物，其包含：陶瓷相（PQ）和粘结相（RS），其中P为选自第IV族，第V族，第VI族元素中的至少一种金属 Q是硼化物，R选自Fe，Ni，Co，Mn及其混合物，S包括选自Cr，Al，Si和Y中的至少一种元素。

公开(公告)号：US07175687B2

公开(公告)日：2007-02-13

申请号：US10829816

申请日：2004-04-22

申请人： Narasimha-Rao Venkata Bangaru ,  ChangMin Chun ,  Neeraj Srinivas Thirumalai ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

发明人： Narasimha-Rao Venkata Bangaru ,  ChangMin Chun ,  Neeraj Srinivas Thirumalai ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

IPC分类号： C22C29/14

CPC分类号： C22C29/14 ,  C23C24/08 ,  C23C30/00 ,  Y10T428/25 ,  Y10T428/31678

摘要： A cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and binder phase (RS) wherein, P is at least one metal selected from the group consisting of Group IV, Group V, Group VI elements, Q is boride, R is selected from the group consisting of Fe, Ni, Co, Mn and mixtures thereof, S comprises at least one element selected from Cr, Al, Si and Y.

摘要翻译： 由式（PQ）（RS）表示的金属陶瓷组合物，其包含：陶瓷相（PQ）和粘结相（RS），其中P为选自第IV族，第V族，第VI族元素中的至少一种金属 Q是硼化物，R选自Fe，Ni，Co，Mn及其混合物，S包括选自Cr，Al，Si和Y中的至少一种元素。

公开(公告)号：US07807098B2

公开(公告)日：2010-10-05

申请号：US11641221

申请日：2006-12-19

申请人： Narasimha-Rao Venkata Bangaru ,  ChangMin Chun ,  Neeraj Srinivas Thirumalai ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

发明人： Narasimha-Rao Venkata Bangaru ,  ChangMin Chun ,  Neeraj Srinivas Thirumalai ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

IPC分类号： B22F7/04 ,  B23K20/00

CPC分类号： C22C29/14 ,  C23C24/08 ,  C23C30/00 ,  Y10T428/25 ,  Y10T428/31678

摘要： The invention is related to a method for protecting a metal surface subject to erosion temperatures up to 850° C. The method comprises providing the metal surface with a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and binder phase (RS) wherein, P is at least one metal selected from the group consisting of Group IV, Group V, and Group VI elements, Q is boride, R is selected from the group consisting of Fe, Ni, Co, Mn and mixtures thereof, S comprises Ti and at least one element selected from the group consisting of Cr, Al, Si and Y.

摘要翻译： 本发明涉及一种用于保护金属表面受到高达850℃的侵蚀温度的方法。该方法包括向金属表面提供由式（PQ）（RS）表示的金属陶瓷组合物，其包含：陶瓷相（PQ ）和粘结相（RS），其中P是选自第IV族，第V族和第VI族元素中的至少一种金属，Q是硼化物，R选自Fe，Ni，Co， Mn及其混合物，S包含Ti和选自Cr，Al，Si和Y的至少一种元素。

公开(公告)号：US20080257454A1

公开(公告)日：2008-10-23

申请号：US10829818

申请日：2004-04-22

申请人： ChangMin Chun ,  Narasimha-Rao Venkata Bangaru ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

发明人： ChangMin Chun ,  Narasimha-Rao Venkata Bangaru ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

IPC分类号： C23C8/00

CPC分类号： C23C8/22

摘要： Cermets, particularly composition gradient cermets can be prepared starting with suitable bulk metal alloys by a reactive heat treatment process involving a reactive environment selected from the group consisting of reactive carbon, reactive nitrogen, reactive boron, reactive oxygen and mixtures thereof.

摘要翻译： 金属陶瓷，特别是组成梯度金属陶瓷可以通过涉及选自反应性碳，活性氮，活性硼，活性氧及其混合物的反应性环境的反应性热处理方法从合适的块状金属合金开始制备。

公开(公告)号：US07247186B1

公开(公告)日：2007-07-24

申请号：US10829820

申请日：2004-04-22

申请人： ChangMin Chun ,  Narasimha-Rao Venkata Bangaru ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

发明人： ChangMin Chun ,  Narasimha-Rao Venkata Bangaru ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

IPC分类号： C22C29/04

CPC分类号： C23C30/00 ,  C22C29/04

摘要： The invention includes a cermet composition represented by the formula (PQ) (RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Fe, Mn and mixtures thereof, Q is carbonitride, R is a metal selected from the group consisting of Fe, Ni, Co, Mn and mixtures thereof, S comprises at least one element selected from Cr, Al, Si and Y.

摘要翻译： 本发明包括由式（PQ）（RS）表示的金属陶瓷组合物，其包含：陶瓷相（PQ）和粘结相（RS），其中P是选自Ti，Zr，Hf，V ，Nb，Ta，Cr，Mo，W，Fe，Mn及其混合物，Q为碳氮化物，R为选自Fe，Ni，Co，Mn及其混合物的金属，S包含至少一种选自 来自Cr，Al，Si和Y.

公开(公告)号：US20120177933A1

公开(公告)日：2012-07-12

申请号：US11879354

申请日：2007-07-17

申请人： Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  ChangMin Chun ,  Hyun-Woo Jin ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

发明人： Narasimha-Rao Venkata Bangaru ,  Jayoung Koo ,  ChangMin Chun ,  Hyun-Woo Jin ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

IPC分类号： B32B15/04 ,  B32B15/02

CPC分类号： C22C29/14 ,  C22C29/00 ,  C23C30/00 ,  Y10T428/31678

摘要： A cermet composition represented by the formula (PQ)(RS)X comprising: a ceramic phase (PQ), a binder phase (RS) and X wherein X is at least one member selected from the group consisting of an oxide dispersoid E, an intermetallic compound F and a derivative compound G wherein said ceramic phase (PQ) is dispersed in the binder phase (RS) as particles of diameter in the range of about 0.5 to 3000 microns, and said X is dispersed in the binder phase (RS) as particles in the size range of about 1 nm to 400 nm.

摘要翻译： 由式（PQ）（RS）X表示的金属陶瓷组合物包括：陶瓷相（PQ），粘结相（RS）和X，其中X是选自氧化物分散相E， 金属间化合物F和衍生化合物G，其中所述陶瓷相（PQ）作为直径在约0.5至3000微米范围内的颗粒分散在粘结相（RS）中，并且所述X分散在粘结相（RS）中， 作为大小范围为约1nm至400nm的颗粒。

公开(公告)号：US07175686B2

公开(公告)日：2007-02-13

申请号：US10829822

申请日：2004-04-22

申请人： ChangMin Chun ,  Narasimha-Rao Venkata Bangaru ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

发明人： ChangMin Chun ,  Narasimha-Rao Venkata Bangaru ,  Hyun-Woo Jin ,  Jayoung Koo ,  John Roger Peterson ,  Robert Lee Antram ,  Christopher John Fowler

IPC分类号： C22C29/16

CPC分类号： B04C5/085 ,  C22C29/16 ,  C22C32/0068 ,  C23C30/00

摘要： The invention includes a cermet composition represented by the formula (PQ)(RS) comprising: a ceramic phase (PQ) and a binder phase (RS) wherein, P is a metal selected from the group consisting of Si, Mn, Fe, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W and mixtures thereof, Q is nitride, R is a metal selected from the group consisting of Fe, Ni, Co, Mn and mixtures thereof, S consists essentially of at least one element selected from Cr, Al, Si, and Y, and at least one reactive wetting aliovalent element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W and mixtures thereof.

摘要翻译： 本发明包括由式（PQ）（RS）表示的金属陶瓷组合物，其包含：陶瓷相（PQ）和粘结相（RS），其中P是选自Si，Mn，Fe，Ti ，Zr，Hf，V，Nb，Ta，Cr，Mo，W及其混合物，Q为氮化物，R为选自Fe，Ni，Co，Mn及其混合物的金属，S主要由 选自Cr，Al，Si和Y中的至少一种元素，以及选自Ti，Zr，Hf，V，Nb，Ta，Cr，Mo，W及其混合物中的至少一种反应性润湿的二价选择元素。