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公开(公告)号：WO2007089648A2
公开(公告)日：2007-08-09
申请号：PCT/US2007/002277
申请日：2007-01-26
Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY , BANGARU, Narasimha-rao, Venkata , KOO, Jayoung , VAUGHN, Glen, A. , AYER, Raghavan , FAIRCHILD, Douglas, Paul
Inventor： BANGARU, Narasimha-rao, Venkata , KOO, Jayoung , VAUGHN, Glen, A. , AYER, Raghavan , FAIRCHILD, Douglas, Paul
IPC: B23K20/12
CPC classification number: B23K20/122 , B23K20/128 , B23K2201/04 , B23K2203/02
Abstract: A method for welding and repairing cracks in metal parts is provided by subjecting the metal parts to be welded to friction stir welding and the cracks to be repaired to friction stir processing under conditions sufficient to provide a weld joint or crack repair having a preselected property or set of properties based upon the intended use of the weldment.
Abstract translation: 一种用于焊接和修复金属部件中的裂纹的方法是通过在足以提供具有预选性质的焊接接头或裂缝修复的条件下对要焊接的金属部件进行摩擦搅拌焊接和要修复的裂纹进行摩擦搅拌加工的方法， 基于焊件的预期用途的一组属性。
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公开(公告)号：WO2003052156A1
公开(公告)日：2003-06-26
申请号：PCT/US2002/039400
申请日：2002-12-10
Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
Inventor： KOO, Jayoung , LING, Shiun , LUTON, Michael, John , THOMANN, Hans , BANGARU, Narasimha-Rao, V.
IPC: C22F3/00
CPC classification number: C21D1/04 , C21D10/00 , C21D2201/00 , C22C38/04 , C22C38/08 , C22C38/105 , C22F3/00
Abstract: A method for refining the grain size of alloys which undergo ferromagnetic to paramagnetic phase transformation and an alloy produced therefrom. By subjecting the alloy to a timed application of a strong magnetic field, the temperature of phase boundaries can be shifted enabling phase transformations at lower temperatures.
Abstract translation: 一种用于精炼进行铁磁性到顺磁相变的合金的晶粒尺寸的方法和由其制备的合金。 通过对合金进行强磁场的定时施加，相位边界的温度可以在较低的温度下实现相位转换。
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公开(公告)号：EP0796352B1
公开(公告)日：2002-08-14
申请号：EP95942979.6
申请日：1995-12-01
Applicant: ExxonMobil Research and Engineering Company
Inventor： KOO, Jayoung , LUTON, Michael, J.
CPC classification number: C22C38/16 , C21D6/02 , C21D7/12 , C21D8/0226 , C21D8/10 , C21D2211/002 , C21D2211/003 , C21D2211/004 , C21D2211/008 , C22C38/04 , C22C38/08
Abstract: High strength steel is produced by a first rolling of a steel composition, reheated above 1100 DEG C, above the austenite recrystallization, a second rolling below the austenite recrystallization temperature, water cooling from above Ar3 to less than 400 DEG C and followed by tempering below the Ac1 transformation point.
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14.发明公开MULTI-SCALE CERMETS FOR HIGH TEMPERATURE EROSION-CORROSION SERVICE 有权金属陶瓷含有不同粒径的颗粒FOR USE IN高温侵蚀和腐蚀
公开(公告)号：EP1633901A1
公开(公告)日：2006-03-15
申请号：EP04752549.8
申请日：2004-05-18
Applicant: ExxonMobil Research and Engineering Company
Inventor： BANGARU, Narasimha-Rao, Venkata , KOO, Jayoung , CHUN, ChangMin , JIN, Hyun-Woo , PETERSON, John, Roger , ANTRAM, Robert, Lee , FOWLER, Christopher, John
CPC classification number: C22C29/14 , C22C29/00 , C23C30/00 , Y10T428/31678
Abstract: 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.
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15.发明授权MULTI-SCALE CERMETS FOR HIGH TEMPERATURE EROSION-CORROSION SERVICE 有权金属陶瓷含有不同粒径的颗粒FOR USE IN高温侵蚀和腐蚀
公开(公告)号：EP1633901B1
公开(公告)日：2008-12-10
申请号：EP04752549.8
申请日：2004-05-18
Applicant: ExxonMobil Research and Engineering Company
Inventor： BANGARU, Narasimha-Rao, Venkata , KOO, Jayoung , CHUN, ChangMin , JIN, Hyun-Woo , PETERSON, John, Roger , ANTRAM, Robert, Lee , FOWLER, Christopher, John
CPC classification number: C22C29/14 , C22C29/00 , C23C30/00 , Y10T428/31678
Abstract: 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.
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Patent Agency Ranking
公开(公告)号：EP1641949B1
公开(公告)日：2008-10-29
申请号：EP04752551.4
申请日：2004-05-18
Applicant: ExxonMobil Research and Engineering Company
Inventor： BANGARU, Narasimha-Rao, Venkata , CHUN, ChangMin , THIRUMALAI, Neeraj, Srinivas , JIN, Hyun-Woo , PETERSON, John, Roger , ANTRAM, Robert, Lee , FOWLER, Christopher, John , KOO, Jayoung
IPC: C22C1/05
CPC classification number: C22C29/14 , C23C24/08 , C23C30/00 , Y10T428/25 , Y10T428/31678
Abstract: 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.
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17.发明公开EROSION-CORROSION RESISTANT CARBIDE CERMETS FOR LONG TERM HIGH TEMPERATURE SERVICE 有权侵蚀，耐腐蚀KARBIDCERMETS高温应用
公开(公告)号：EP1631694A1
公开(公告)日：2006-03-08
申请号：EP04752554.8
申请日：2004-05-18
Applicant: ExxonMobil Research and Engineering Company
Inventor： BANGARU, Narasimha-Rao, Venkata , CHUN, ChangMin , THIRUMALAI, Neeraj, Srinivas , LING, Shiun , JIN, Hyun-Woo , KOO, Jayoung , PETERSON, John, Roger , ANTRAM, Robert, Lee , FOWLER, Christopher, John
CPC classification number: C22C29/067
Abstract: 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.
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公开(公告)号：EP0792379B1
公开(公告)日：2001-09-19
申请号：EP95944313.6
申请日：1995-12-01
Applicant: ExxonMobil Research and Engineering Company
Inventor： KOO, Jayoung , LUTON, Michael J.
CPC classification number: C22C38/14 , C21D6/02 , C21D7/12 , C21D8/0226 , C21D8/10 , C21D2211/002 , C21D2211/005 , C21D2211/008 , C22C38/04 , C22C38/12
Abstract: A high strength steel composition comprising ferrite and martensite/banite phases, the ferrite phase having primarily vanadium and mobium carbide or carbonitride precipitates, is prepared by a first rolling above the austenite recrystallization temperature; a second rolling below the austenite recrystallization temperature; a third rolling between the Ar3 and Ar1 transformation points, and water cooling to below about 400 °C.
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公开(公告)号：EP0742841B1
公开(公告)日：2001-08-22
申请号：EP95942980.4
申请日：1995-12-01
Applicant: ExxonMobil Research and Engineering Company
Inventor： KOO, Jayoung , Luton, Michael John
CPC classification number: C21D6/02 , C21D7/12 , C21D8/0226 , C21D8/10 , C21D2211/002 , C21D2211/005 , C21D2211/008
Abstract: A high strength steel composition comprising ferrite and martensite/bainite phases, the ferrite phase having primarily vanadium and niobium carbide or carbonitride precipitates, is prepared by a first rolling above the austenite recrystallization temperature, a second rolling below the austenite recrystallization temperature; cooling between the Ar3 transformation point and 500 DEG C; and water cooling to below about 400 DEG C.
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公开(公告)号：EP1660691A2
公开(公告)日：2006-05-31
申请号：EP04752550.6
申请日：2004-05-18
Applicant: ExxonMobil Research and Engineering Company
Inventor： CHUN, ChangMin , BANGARU, Narasimha-Rao, Venkata , JIN, Hyun-Woo , KOO, Jayoung , PETERSON, John, Roger , ANTRAM, Robert, Lee , FOWLER, Christopher, John
IPC: C22C29/04
Abstract: 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.
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