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Flexible pipe comprising an aluminium alloy matrix composite material
Abstracts of Patents Abstracts o f U S patents prepared by Dr R.J. Hand, University o f Sheffield, U K
COMPONENTS Sintered ceramic composite body and method of manufacturing same Furuse, Y. and Matsuhiro, K. (The Tokyo Electric Power Company, Inc., Tokyo and N G K Insulators, Ltd, Nagoya, both of Japan) US Pat 5 196 386 (23 March 1993) A sintered oxide or non-oxide ceramic matrix is reinforced with 10-50 vol% of two sizes of silicon carbide particles. One set of particles is < 1 /~m in size whereas the other is between 5 and 20/~m in size. High strength composite ceramic structure and process for producing the same Yasutomi, Y., Watahiki, S., Sakai, J., Chiba, A., Miyoshi, T. and Sobue, M. (Hitachi, Ltd, Tokyo, Japan) US Pat 5 200 373 (6 April 1993) A sintered ceramic composite comprises grains or whiskers of titania, zirconia, chromia, alumina, BeO, Ta2Os, hafnia, Nb20~, WO3, V205 or magnesia, and epitaxially grown silicon nitride particles with 5-40% porosity. The grains or whiskers have surface layers of silicon carbide, silicon nitride, silica, TiC, TiN, A1N, ZrC, Cr3C2, Cr2N, BeN, WC, WN, VN, VC, Fe3C, Mo2N, M02C, ThC, HfN, HfC, TaN, TaC or MbN. The silicon nitride particles are < 0.2 p,m in size. Moulding compositions comprising reinforced filled wholly aromatic polyesters Frayer, P.D. (Amoco Corporation, Chicago, IL, USA) US Pat 5 206 282 (27 April 1993) The composition comprises 60 80 vol% of a wholly aromatic oxybenzoyl polyester, 10-20 vol% of glass fibre and about 10-30 vol% of a filler. An article moulded from the composition has a tensile strength of at least 70 MPa. Resin composite material containing graphite fibre Hashimoto, S., Yagi, K. and Kanda, M. (Yazaki Corporation, Tokyo, Japan) US Pat 5 210 116 (11 May 1993) A synthetic resin matrix is reinforced with fibres of an intercalated compound of graphite fibre and bromine. The planes in the graphite fibre are oriented parallel to the axis of the fibres like annual rings. Hockey stick formed of composite materials Baum, C.S. (The Baum Research & Development Company, Inc., Traverse City, MI, USA) US Pat 5 217 221 (8 June 1993) The handle of the stick has a fibre-reinforced resin core covered on at least three sides with a sheet of wood veneer. The sheet is impregnated with the resin and is thereby bonded to the fibre-reinforced core. Rubber composite material mixed with short staple reinforcing fibres and method of manufacturing the same Hamada, T. (Mitsuboshi Belting Ltd, Kobe, Japan) US Pat 5 217 801 (8 June 1993)
0010-4361/95/01/0075-04 9 1995 Butterworth-Heinemann Ltd
A rubber matrix is reinforced with coated short fibres of m-phenylene isophthalamide. The fibre coating may be a rubber latex or a rubber paste. Sintered ceramic composite body and method of manufacturing same Furuse, Y. and Matsuhiro, K. (The Tokyo Electric Power Co., Ltd, Tokyo and N G K Insulators Ltd, Nagoya, both of Japan) US Pat 5 217 932 (8 June 1993) A ceramic composite with a matrix of alumina, mullite, magnesia or silicon nitride is reinforced with silicon carbide particles which have a maximum diameter between 5 and 50 /~m and a thickness which is 1/3 or less of this maximum diameter. Reinforced elastomer lining for pump casing and associated method of manufacture Hyll, J., Turley, R.S., Purdy, S.G., Ostler, J.L. and Hood Jr., C.R. (Baker Hughes Incorporated, Houston, TX, USA) US Pat 5 219 461 (15 June 1993) A replaceable lining for a centrifugal pump comprises a substantially rigid shell and an elastomer layer. The shell is composed of a glass fibre-reinforced thermoset plastic resin. Weak frangible fibre coating with unfilled pores for toughening ceramic fibre-matrix composites Carpenter, H.W., Bohlen, J.W. and Steffier, W.S. (Northrop Corporation, CA, USA) US Pat 5 221 578 (22 June 1993) A ceramic matrix composite is reinforced with ceramic fibres in which the fibre-matrix interface consists of a frangible, porous ceramic coating. High speed composite turbine wheel LaBrouche, J.-P., Broquere, B., Parenteau, J.-M., Ettiene, J. and Lacombe, A. (Societe Europeene de Propulsion, Suresnes, France) US Pat 5 222 866 (29 June 1993) The blades and rim of the wheel are formed from a single piece of fibre-reinforced composite. The reinforcement comprises a helical fabric with both radially and circumferentially oriented fibres, the densities of the two types of fibre varying along the radius of the wheel according to the variation of the radial and circumferential stress. The circumferential fibres in the rim have good mechanical properties whereas the radial fibres in the rim and the blades have a high resistance to both temperature and chemicals. Method of making laminated hybrid ceramic matrix composites Gadkaree, K.P. (Corning Incorporated, Coming, NY, USA) US Pat 5 223 064 (29 June 1993) A ceramic matrix composite material with improved transverse and interlaminar shear strengths is described. The ceramic is reinforced with layers of aligned fibre reinforcements interspersed with layers of randomly oriented chooped fibres or whiskers.
Aromatic polyetherketone resin compositions containing polyetherimide, polysulphonecoated carbon fibres and mechanical component formed therefrom Gotoh, T., Tsutsumi, T., Takahashi, T. and Sagawa, T. (Mitsui Toatsu Chemicals, Inc., Tokyo and Nissan Motor Co., Ltd, Kanagawa, both of Japan) US Pat 5 223 536 (29 June 1993) A fibre-reinforced resin comprises 55 75 wt% resin and 25-45 wt% carbon fibres. The resin contains 70-90 wt% of an aromatic poly(ether ketone) and 5-30 wt% of a poly(ether imide). The fibres have a coating obtained by coating them with an aromatic poly(sulfone) resin and then heating them at between 300 and 400~ for between 3 and 20 h. Iron golf club head made of fibre-reinforced resin Okumoto, T., Ninomiya, T., Hiyashi, T. and Kawada, K. (The Yokohama Rubber Co., Ltd, Tokyo, Japan) US Pat 5 228 694 (20 July 1993) The frame of the club has a stainless steel sole and hosel portion. Above the sole there is a moulded composite weight, comprising 92-98 wt% of tungsten powder and polyamide resin, and above this there is a core portion. Around the core portion and the frame, apart from the sole portion, there is a fibre-reinforced resin covering. Fibre reinforced ceramic glass composites having tailored coefficient of thermal expansion Seibold, R.W., Buller, B.W. and Gibson, J.O. (Hughes Aircraft Company, Los Angeles, CA, USA) US Pat 5 229 196 (20 July 1993) The composite material is composed of oriented fibres in a glass ceramic matrix together with a sufficient amount of bonding agent in the gaps between the fibres and the matrix. Chain of fibre-reinforced resin composite material Lundy, B.T. (Aluminum Company of America, Pittsburgh, PA, USA) US Pat 5 269 129 (14 December 1993) The design of a chain with links made of a fibre-reinforced resin is given. The fibres are oriented so that they run parallel to the length of the chain. The fibres may be glass, carbon or graphite. Flexible pipe comprising an aluminium ahoy matrix composite material (Sugier, A. and Herrero, J.M. of Rueil Maimaison and Paris, both of France) US Pat 5 269 349 (14 December 1993) A reinforced flexible pipe is described, of which at least one layer is formed from an aluminium alloy reinforced with particles or whiskers of alumina or silicon carbide. The particles are between 4 and 400 jzm in size, whereas the whiskers are between 0.01 and 10 /zm in diameter and between 10 and 600/xm long.
COMPOSITES Volume 26 Number 1 1995
75
COMPONENTS Sintered ceramic composite body and method of manufacturing same Furuse, Y. and Matsuhiro, K. (The Tokyo Electric Power Company, Inc., Tokyo and N G K Insulators, Ltd, Nagoya, both of Japan) US Pat 5 196 386 (23 March 1993) A sintered oxide or non-oxide ceramic matrix is reinforced with 10-50 vol% of two sizes of silicon carbide particles. One set of particles is < 1 /~m in size whereas the other is between 5 and 20/~m in size. High strength composite ceramic structure and process for producing the same Yasutomi, Y., Watahiki, S., Sakai, J., Chiba, A., Miyoshi, T. and Sobue, M. (Hitachi, Ltd, Tokyo, Japan) US Pat 5 200 373 (6 April 1993) A sintered ceramic composite comprises grains or whiskers of titania, zirconia, chromia, alumina, BeO, Ta2Os, hafnia, Nb20~, WO3, V205 or magnesia, and epitaxially grown silicon nitride particles with 5-40% porosity. The grains or whiskers have surface layers of silicon carbide, silicon nitride, silica, TiC, TiN, A1N, ZrC, Cr3C2, Cr2N, BeN, WC, WN, VN, VC, Fe3C, Mo2N, M02C, ThC, HfN, HfC, TaN, TaC or MbN. The silicon nitride particles are < 0.2 p,m in size. Moulding compositions comprising reinforced filled wholly aromatic polyesters Frayer, P.D. (Amoco Corporation, Chicago, IL, USA) US Pat 5 206 282 (27 April 1993) The composition comprises 60 80 vol% of a wholly aromatic oxybenzoyl polyester, 10-20 vol% of glass fibre and about 10-30 vol% of a filler. An article moulded from the composition has a tensile strength of at least 70 MPa. Resin composite material containing graphite fibre Hashimoto, S., Yagi, K. and Kanda, M. (Yazaki Corporation, Tokyo, Japan) US Pat 5 210 116 (11 May 1993) A synthetic resin matrix is reinforced with fibres of an intercalated compound of graphite fibre and bromine. The planes in the graphite fibre are oriented parallel to the axis of the fibres like annual rings. Hockey stick formed of composite materials Baum, C.S. (The Baum Research & Development Company, Inc., Traverse City, MI, USA) US Pat 5 217 221 (8 June 1993) The handle of the stick has a fibre-reinforced resin core covered on at least three sides with a sheet of wood veneer. The sheet is impregnated with the resin and is thereby bonded to the fibre-reinforced core. Rubber composite material mixed with short staple reinforcing fibres and method of manufacturing the same Hamada, T. (Mitsuboshi Belting Ltd, Kobe, Japan) US Pat 5 217 801 (8 June 1993)
0010-4361/95/01/0075-04 9 1995 Butterworth-Heinemann Ltd
A rubber matrix is reinforced with coated short fibres of m-phenylene isophthalamide. The fibre coating may be a rubber latex or a rubber paste. Sintered ceramic composite body and method of manufacturing same Furuse, Y. and Matsuhiro, K. (The Tokyo Electric Power Co., Ltd, Tokyo and N G K Insulators Ltd, Nagoya, both of Japan) US Pat 5 217 932 (8 June 1993) A ceramic composite with a matrix of alumina, mullite, magnesia or silicon nitride is reinforced with silicon carbide particles which have a maximum diameter between 5 and 50 /~m and a thickness which is 1/3 or less of this maximum diameter. Reinforced elastomer lining for pump casing and associated method of manufacture Hyll, J., Turley, R.S., Purdy, S.G., Ostler, J.L. and Hood Jr., C.R. (Baker Hughes Incorporated, Houston, TX, USA) US Pat 5 219 461 (15 June 1993) A replaceable lining for a centrifugal pump comprises a substantially rigid shell and an elastomer layer. The shell is composed of a glass fibre-reinforced thermoset plastic resin. Weak frangible fibre coating with unfilled pores for toughening ceramic fibre-matrix composites Carpenter, H.W., Bohlen, J.W. and Steffier, W.S. (Northrop Corporation, CA, USA) US Pat 5 221 578 (22 June 1993) A ceramic matrix composite is reinforced with ceramic fibres in which the fibre-matrix interface consists of a frangible, porous ceramic coating. High speed composite turbine wheel LaBrouche, J.-P., Broquere, B., Parenteau, J.-M., Ettiene, J. and Lacombe, A. (Societe Europeene de Propulsion, Suresnes, France) US Pat 5 222 866 (29 June 1993) The blades and rim of the wheel are formed from a single piece of fibre-reinforced composite. The reinforcement comprises a helical fabric with both radially and circumferentially oriented fibres, the densities of the two types of fibre varying along the radius of the wheel according to the variation of the radial and circumferential stress. The circumferential fibres in the rim have good mechanical properties whereas the radial fibres in the rim and the blades have a high resistance to both temperature and chemicals. Method of making laminated hybrid ceramic matrix composites Gadkaree, K.P. (Corning Incorporated, Coming, NY, USA) US Pat 5 223 064 (29 June 1993) A ceramic matrix composite material with improved transverse and interlaminar shear strengths is described. The ceramic is reinforced with layers of aligned fibre reinforcements interspersed with layers of randomly oriented chooped fibres or whiskers.
Aromatic polyetherketone resin compositions containing polyetherimide, polysulphonecoated carbon fibres and mechanical component formed therefrom Gotoh, T., Tsutsumi, T., Takahashi, T. and Sagawa, T. (Mitsui Toatsu Chemicals, Inc., Tokyo and Nissan Motor Co., Ltd, Kanagawa, both of Japan) US Pat 5 223 536 (29 June 1993) A fibre-reinforced resin comprises 55 75 wt% resin and 25-45 wt% carbon fibres. The resin contains 70-90 wt% of an aromatic poly(ether ketone) and 5-30 wt% of a poly(ether imide). The fibres have a coating obtained by coating them with an aromatic poly(sulfone) resin and then heating them at between 300 and 400~ for between 3 and 20 h. Iron golf club head made of fibre-reinforced resin Okumoto, T., Ninomiya, T., Hiyashi, T. and Kawada, K. (The Yokohama Rubber Co., Ltd, Tokyo, Japan) US Pat 5 228 694 (20 July 1993) The frame of the club has a stainless steel sole and hosel portion. Above the sole there is a moulded composite weight, comprising 92-98 wt% of tungsten powder and polyamide resin, and above this there is a core portion. Around the core portion and the frame, apart from the sole portion, there is a fibre-reinforced resin covering. Fibre reinforced ceramic glass composites having tailored coefficient of thermal expansion Seibold, R.W., Buller, B.W. and Gibson, J.O. (Hughes Aircraft Company, Los Angeles, CA, USA) US Pat 5 229 196 (20 July 1993) The composite material is composed of oriented fibres in a glass ceramic matrix together with a sufficient amount of bonding agent in the gaps between the fibres and the matrix. Chain of fibre-reinforced resin composite material Lundy, B.T. (Aluminum Company of America, Pittsburgh, PA, USA) US Pat 5 269 129 (14 December 1993) The design of a chain with links made of a fibre-reinforced resin is given. The fibres are oriented so that they run parallel to the length of the chain. The fibres may be glass, carbon or graphite. Flexible pipe comprising an aluminium ahoy matrix composite material (Sugier, A. and Herrero, J.M. of Rueil Maimaison and Paris, both of France) US Pat 5 269 349 (14 December 1993) A reinforced flexible pipe is described, of which at least one layer is formed from an aluminium alloy reinforced with particles or whiskers of alumina or silicon carbide. The particles are between 4 and 400 jzm in size, whereas the whiskers are between 0.01 and 10 /zm in diameter and between 10 and 600/xm long.
COMPOSITES Volume 26 Number 1 1995
75