JPH05509076A - Ceramic composite with reduced metal content - Google Patents

Ceramic composite with reduced metal content

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Publication number
JPH05509076A
JPH05509076A JP51560191A JP51560191A JPH05509076A JP H05509076 A JPH05509076 A JP H05509076A JP 51560191 A JP51560191 A JP 51560191A JP 51560191 A JP51560191 A JP 51560191A JP H05509076 A JPH05509076 A JP H05509076A
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Prior art keywords
metal
self
metal component
boron
breathable
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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JP51560191A
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Japanese (ja)
Inventor
ジョンソン，ウィリアム　ベイヤード
ワン，ジェームズ　チェン―コウン
Original Assignee
ランキサイド　テクノロジー　カンパニー，リミティド　パートナーシップ
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Publication of JPH05509076A publication Critical patent/JPH05509076A/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/65—Reaction sintering of free metal- or free silicon-containing compositions
    • C04B35/652—Directional oxidation or solidification, e.g. Lanxide process
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/53—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone involving the removal of at least part of the materials of the treated article, e.g. etching, drying of hardened concrete
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/91—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics involving the removal of part of the materials of the treated articles, e.g. etching

Abstract

(57)【要約】本公報は電子出願前の出願データであるため要約のデータは記録されません。 (57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 本発明は、形成した自己支持体がら金属を除去する新規な方法に一般的に関係す る。自己支持体は、ホウ素供与体材料及び炭素供与体材料（例、炭化ホウ素）及 び／又はホウ素供与体材料及び窒素供与体材料（例、窒素ホウ素）、及び所望に より一種または二糧以上の不活性フィラーを含む床または材料の中に溶融母金属 を反応浸透することによって形成される。いったん自己支持体を形成し、ついで 自己支持体に含まれる金属成分を少なくとも部分的に除去する適切な条件に暴露 する。[Detailed description of the invention] The present invention generally relates to a novel method for removing metal from formed self-supporting bodies. Ru. The self-supporting material includes a boron donor material and a carbon donor material (e.g., boron carbide) and and/or a boron donor material and a nitrogen donor material (e.g., boron nitrogen), and optionally Molten parent metal in a bed or material containing one or more inert fillers It is formed by reacting and penetrating. Once it forms a self-supporting body, then Exposure to suitable conditions that at least partially remove the metal components contained in the self-supporting body do.

国際調査報告international search report

Claims (26)

【特許請求の範囲】[Claims] １．自己支持体から金属を除去する方法であって、該自己支持体は（ｉ）実質的 に不活性な雰囲気中で母金属をその融点以上に加熱して溶融母金属を形成し、（ ｉｉ）該溶融金属を反応浸透されるべき第一の通気性材料に接触させ、（ｉｉｉ ）反応浸透されるべき該第一の通気性材料に溶融母金属を浸透させるに充分な時 間まで該温度を維持し、該溶融母金属と該第一の通気性材料とを反応させて、少 なくとも一種のホウ素含有化合物を形成し、（ｉｖ）少なくとも或る金属成分を 含む該少なくとも一つの第一の自己支持体を形成するに充分な時間まで該浸透反 応を持続することからなるプロセスによって形成される少なくとも一つの第一の 自己支持体を提供して作成され、該少なくとも一つの第一の自己支持体の少なく とも一部を、固体、液体、及び気体からなる群より選択された少なくとも一種の 材料であって、該少なくとも一種の材料が該金属成分の少なくとも一部を除去す ることができる材料に接触させる工程、及び該金属成分の所望の量を除去する工 程からなる自己支持体から金属を除去する方法。1. A method of removing metal from a self-supporting body, the self-supporting body comprising: (i) a substantially The base metal is heated above its melting point in an inert atmosphere to form a molten base metal ( ii) contacting the molten metal with a first breathable material to be reactively infiltrated; (iii) ) a time sufficient to infiltrate the first breathable material to be reactively infiltrated with molten parent metal; maintaining the temperature until the molten base metal reacts with the first breathable material to form a small (iv) forming at least one boron-containing compound; and (iv) containing at least one metal component. the permeation reaction for a sufficient time to form the at least one first self-supporting body containing at least one first formed by a process consisting of sustaining a reaction. the at least one first self-supporting material; At least one type of gas selected from the group consisting of solids, liquids, and gases. a material, the at least one material removing at least a portion of the metal component; a step of contacting a material capable of removing a desired amount of said metal component; A method for removing metal from a self-supporting substrate consisting of steps. ２．自己支持体から金属を除去する方法であって、該自己支持体は（ｉ）実質的 に不活性な雰囲気中で母金属をその融点以上に加熱して溶融母金属を形成し、（ ｉｉ）該溶融金属を反応浸透されるべき第一の通気性材料に接触させ、（ｉｉｉ ）反応浸透されるべき該第一の通気性材料に溶融母金属を浸透させるに充分な時 間まで該温度を維持し、該溶融母金属と該第一の通気性材料とを反応させて、少 なくとも一種のホウ素含有化合物を形成し、（ｉｖ）少なくとも或る金属成分を 含む該少なくとも一つの第一の自己支持体を形成するに充分な時間まで該浸透反 応を持続することからなるプロセスによって形成される少なくとも一つの第一の 自己支持体を提供して作成され、該少なくとも一つの第一の自己支持体の少なく とも一部を、該金属成分の少なくとも一部を除去することができる第二の通気性 材料に接触させ、 該少なくとも一種の第一の自己支持体と該通気性材料を加熱して該第一の自己支 持体から金属成分を少なくとも部分的に除去せしめ、しかして、 該金属成分の除去を金属成分の所望の量を除去するに充分な時間まで持続する工 程からなる自己支持体から金属を除去する方法。2. A method of removing metal from a self-supporting body, the self-supporting body comprising: (i) a substantially The base metal is heated above its melting point in an inert atmosphere to form a molten base metal ( ii) contacting the molten metal with a first breathable material to be reactively infiltrated; (iii) ) a time sufficient to infiltrate the first breathable material to be reactively infiltrated with molten parent metal; maintaining the temperature until the molten base metal reacts with the first breathable material to form a small (iv) forming at least one boron-containing compound; and (iv) containing at least one metal component. the permeation reaction for a sufficient time to form the at least one first self-supporting body containing at least one first formed by a process consisting of sustaining a reaction. the at least one first self-supporting material; and a second breathable part capable of removing at least a part of the metal component. contact with the material, heating the at least one first self-supporting material and the breathable material to generate the first self-supporting material; at least partially removing the metal component from the carrier; A process that continues the removal of the metal component for a sufficient period of time to remove the desired amount of the metal component. A method for removing metal from a self-supporting substrate consisting of steps. ３．該母金属がチタン、ジルコニウム、ハフニウム、アルミニウム、バナジウム 、クロム、及びニオブ、及びそれらの合金からなる群より選択された少なくとも 一種の金属を含む請求の範囲第１項または第２項に記載の方法。3. The base metal is titanium, zirconium, hafnium, aluminum, vanadium , chromium, niobium, and alloys thereof. 3. A method according to claim 1 or 2, comprising one metal. ４．該少なくとも一つの第一の自己支持体が、一種または二種以上のホウ素含有 材料、一種または二種以上の炭素含有材料、一種または二種以上の窒素含有材料 、及び金属からなる群より選択された少なくとも一種の材料を含む請求の範囲第 １項または第２項に記載の方法。4. The at least one first self-supporting material contains one or more kinds of boron. material, one or more carbon-containing materials, one or more nitrogen-containing materials , and at least one material selected from the group consisting of metals. The method according to item 1 or 2. ５．該第一の通気性材料が、ホウ素供与体材料と炭素供与体材料、及びホウ素供 与体材料と窒素供与体材料、及びそれらの混合物からなる群より選択された少な くとも一種の材料を含む請求の範囲第１項または第２項に記載の方法。5. The first breathable material includes a boron donor material, a carbon donor material, and a boron donor material. selected from the group consisting of donor materials, nitrogen donor materials, and mixtures thereof. 3. A method according to claim 1 or 2, comprising at least one material. ６．該第一の通気性材料が、さらに少なくとも一種の不活性フィラー材料を含む 請求の範囲第５項に記載の方法。6. The first breathable material further includes at least one inert filler material. The method according to claim 5. ７．該第一の通気性材料が、ホウ素、炭素、炭化ホウ素及び窒化ホウ素からなる 群より選択された少なくとも一種の材料を含む請求の範囲第５項に記載の方法。7. the first breathable material comprises boron, carbon, boron carbide and boron nitride 6. A method according to claim 5, comprising at least one material selected from the group. ８．該少なくとも一つの第一の物体が、母金属ホウ化物、母金属ホウ素化合物、 母金属炭化物、母金属窒化物、残余の金属、及びボイドからなる群より選択され た少なくとも一種の材料を含む請求の範囲第１項または第２項に記載の方法。8. The at least one first object is a parent metal boride, a parent metal boron compound, selected from the group consisting of parent metal carbide, parent metal nitride, residual metal, and voids. 3. A method according to claim 1 or 2, comprising at least one material. ９．該第一の通気性材料が、プリフォームを含む請求の範囲第１項または第２項 に記載の方法。9. Claim 1 or 2, wherein the first breathable material comprises a preform. The method described in. １０．バリヤを該第一の通気性材料の少なくとも一表面に接触して提供すること をさらに含む請求の範囲第１項または第２項に記載の方法。10. providing a barrier in contact with at least one surface of the first breathable material; 3. The method according to claim 1 or 2, further comprising: １１．該バリヤが、グラファイト型、グラファイトテープ、またはグラファイト 塗膜の形態のグラファイト材料からなる請求の範囲第１０項に記載の方法。11. The barrier is of graphite type, graphite tape, or graphite 11. A method according to claim 10, comprising graphite material in the form of a coating. １２．該グラファイト型に多数の貫通孔を提供することをさらに含む請求の範囲 第１１項に記載の方法。12. Claims further comprising providing a plurality of through holes in the graphite mold. The method according to paragraph 11. １３．該除去を、該金属成分の少なくとも一部を該第一の自己支持体の少なくと も一表面から除去するに充分な時間まで行う請求の範囲第１項に記載の方法。13. The removal comprises removing at least a portion of the metal component from at least one of the first self-supporting bodies. 2. The method of claim 1, wherein the method is carried out for a period of time sufficient to remove the surface from the surface. １４．該除去を、該金属成分を該第一の自己支持体からほぼ完全に除去するに充 分な時間まで行う請求の範囲第１項に記載の方法。14. said removal is sufficient to substantially completely remove said metal component from said first self-supporting body. 2. The method according to claim 1, which is carried out for up to 10 minutes. １５．該第二の通気性材料が、該金属成分によって少なくとも部分的に湿潤可能 である請求の範囲第２項に記載の方法。15. the second breathable material is at least partially wettable by the metal component; The method according to claim 2. １６．該第二の通気性材料が、炭化物、ホウ化物、及び窒化物からなる群より選 択された少なくとも一種の材料を含む請求の範囲第２項に記載の方法。16. The second breathable material is selected from the group consisting of carbides, borides, and nitrides. 3. The method of claim 2, comprising at least one selected material. １７．該第二の通気性材料が、炭化ジルコニウムを含む請求の範囲第２項に記載 の方法。17. Claim 2, wherein the second breathable material comprises zirconium carbide. the method of. １８．該金属成分が該自己支持体の少なくとも一部から除去され、よって濃度勾 配をもって金属成分を含む自己支持体が得られる請求の範囲第１項または第２項 に記載の方法。18. The metal component is removed from at least a portion of the self-support, thereby creating a concentration gradient. Claim 1 or 2, wherein a self-supporting body containing a metal component is obtained by The method described in. １９．該除去が、熱エッチング、化学的エッチング、及び真空エッチングからな る群より選択された少なくとも一種の方法を含む請求の範囲第１項に記載の方法 。19. The removal includes thermal etching, chemical etching, and vacuum etching. The method according to claim 1, comprising at least one method selected from the group consisting of: . ２０．該母金属が、ジルコニウム、チタン、及びハフニウムからなる群より選択 された少なくとも一種の金属を含み、該第一の通気性材料が、ホウ素、炭素、炭 化ホウ素、及び窒化ホウ素からなる群より選択された少なくとも一種の材料を含 み、該金属成分がほぼ完全に該自己支持体から除去される請求の範囲第１項また は第２項に記載の方法。20. The base metal is selected from the group consisting of zirconium, titanium, and hafnium. the first breathable material contains at least one metal made of boron, carbon, carbon, Contains at least one material selected from the group consisting of boron oxide and boron nitride. claim 1 or 2, wherein the metal component is almost completely removed from the self-supporting body. is the method described in Section 2. ２１．該少なくとも一種の材料が、炭化物、ホウ化物、及び窒化物からなる群よ り選択された固体を含む請求の範囲第１項に記載の方法。21. The at least one material is selected from the group consisting of carbides, borides, and nitrides. 2. A method according to claim 1, comprising a solid selected from: ２２．該少なくとも一種の材料が、酸性液体、アルカリ性液体からなる群より選 択された液体を含む請求の範囲第１項に記載の方法。22. The at least one material is selected from the group consisting of acidic liquids and alkaline liquids. 2. A method according to claim 1, comprising a selected liquid. ２３．該少なくとも一種の材料が、金属成分の少なくとも一部と少なくとも部分 的に反応する気体を含む請求の範囲第１項に記載の方法。23. The at least one material includes at least a portion of the metal component and at least a portion of the metal component. 2. The method according to claim 1, further comprising a gas that reacts with the reaction. ２４．該除去が、該少なくとも一つの第一の自己支持体の少なくとも一部が該少 なくとも一種の材料の少なくとも二個に接触し、該金属成分の所望の量を除去す ることを含む請求の範囲第１項に記載の方法。24. said removing comprises removing at least a portion of said at least one first self-supporting body from said at least one first self-supporting body; contacting at least two of at least one type of material and removing a desired amount of said metal component; A method according to claim 1, comprising: ２５．該母金属がジルコニウムを含み、該第一の通気性材料が炭化ホウ素を含み 、該第二の通気性材料が炭化ジルコニウムを含む請求の範囲第２項に記載の方法 。25. the base metal includes zirconium, and the first breathable material includes boron carbide. , wherein the second breathable material comprises zirconium carbide. . ２６．前記の請求の範囲のいずれか１項にしたがって得られた自己支持体。26. A self-supporting body obtained according to any one of the preceding claims.
JP51560191A 1990-07-12 1991-07-12 Ceramic composite with reduced metal content Pending JPH05509076A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US55128890A 1990-07-12 1990-07-12
US551,288 1990-07-12

Publications (1)

Publication Number Publication Date
JPH05509076A true JPH05509076A (en) 1993-12-16

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ID=24200643

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JP51560191A Pending JPH05509076A (en) 1990-07-12 1991-07-12 Ceramic composite with reduced metal content

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JP (1) JPH05509076A (en)
AU (1) AU8531091A (en)
WO (1) WO1992000939A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06504755A (en) * 1991-01-11 1994-06-02 ランキサイド　テクノロジー　カンパニー，リミティド　パートナーシップ Method for removing metals from composites and resulting products
EP0567603B1 (en) * 1991-01-16 1995-12-13 Lanxide Technology Company, Lp Removing metal from composite bodies, and resulting products
US5350003A (en) * 1993-07-09 1994-09-27 Lanxide Technology Company, Lp Removing metal from composite bodies and resulting products
EP2206794B1 (en) * 2008-12-17 2011-08-31 Saab AB Restoring strength and wear resistance of a metal matrix composite (MMC)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8317243D0 (en) * 1983-06-24 1983-07-27 Alcan Int Ltd Producing aluminium boride
US4806508A (en) * 1986-09-17 1989-02-21 Lanxide Technology Company, Lp Modified ceramic structures and methods of making the same
US4874569A (en) * 1987-01-12 1989-10-17 Lanxide Technology Company, Lp Ceramic composite and methods of making the same
AU620360B2 (en) * 1987-12-23 1992-02-20 Lanxide Corporation A method of producing and modifying the properties of ceramic composite bodies
US4915736A (en) * 1987-12-23 1990-04-10 Lanxide Technology Company, Lp Method of modifying ceramic composite bodies by carburization process and articles produced thereby
US4935055A (en) * 1988-01-07 1990-06-19 Lanxide Technology Company, Lp Method of making metal matrix composite with the use of a barrier

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WO1992000939A2 (en) 1992-01-23
AU8531091A (en) 1992-02-04
WO1992000939A3 (en) 1992-03-19

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