JP2001192751A - Metal matrix composite material and producing method therefor - Google Patents
Metal matrix composite material and producing method thereforInfo
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- JP2001192751A JP2001192751A JP2000010221A JP2000010221A JP2001192751A JP 2001192751 A JP2001192751 A JP 2001192751A JP 2000010221 A JP2000010221 A JP 2000010221A JP 2000010221 A JP2000010221 A JP 2000010221A JP 2001192751 A JP2001192751 A JP 2001192751A
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- compound
- particles
- metal
- matrix
- composite material
- Prior art date
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- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、金属または合金か
ら成るマトリックス中に、内部生成（in situ 生成）さ
せた化学組成の異なる２種類の粒子が分散している金属
基複合材料の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a metal-based composite material in which two types of particles having different chemical compositions generated internally (in situ) are dispersed in a metal or alloy matrix. .
【０００２】[0002]
【従来の技術】従来、内部生成により分散粒子を生成さ
せる金属基複合材料の製造方法として、特開昭６３−８
３２３９号公報に開示されているように、マトリックス
を構成する金属または合金の粉末と、分散強化相を構成
するセラミックス成分の粉末とを混合状態で加熱するこ
とにより、セラミックス粒子を内部生成（in situ 生
成）させる分散強化型金属基複合材料の製造方法が知ら
れている。2. Description of the Related Art Conventionally, as a method for producing a metal matrix composite material in which dispersed particles are generated by internal generation, Japanese Patent Application Laid-Open No.
As disclosed in Japanese Patent No. 3239, by heating a powder of a metal or an alloy constituting a matrix and a powder of a ceramic component constituting a dispersion strengthening phase in a mixed state, ceramic particles are internally generated (in situ). A method for producing a dispersion-strengthened metal-based composite material to be produced) is known.
【０００３】更に、内部生成の一形態として、アルミナ
粒子分散強化型アルミニウム基複合材料を製造するため
に、下記式（Ａ）に示したテルミット反応によりアルミ
ナ粒子を内部生成させる方法が知られている。すなわ
ち、マトリックス金属であるＡｌの粉末と、金属酸化物
ＭＯの粉末とを混合状態（通常は混合粉末の加圧成形体
の状態）で反応させ、酸化物ＭＯをＡｌで還元してＡｌ
2 Ｏ3 粒子を生成させる。これにより微細なアルミナ粒
子を多量に含む金属基複合材料を製造することができ
る。Further, as one form of internal generation, a method of internally generating alumina particles by a thermite reaction represented by the following formula (A) is known in order to produce an alumina particle dispersion strengthened aluminum-based composite material. . That is, a powder of Al, which is a matrix metal, and a powder of metal oxide MO are reacted in a mixed state (usually in the state of a pressed compact of the mixed powder), and the oxide MO is reduced with Al to produce Al.
2 O 3 particles are generated. Thus, a metal-based composite material containing a large amount of fine alumina particles can be manufactured.
【０００４】 ２ｎＡｌ＋３Ｍm Ｏn →ｎＡｌ2 Ｏ3 ＋３ｍＭ・・・・・（Ａ） しかし、テルミット反応は、原料酸化物ＭＯの還元分解
により生成する金属Ｍが粗大な介在物となり、機械特性
特に靱性を低下させるという問題があった。2nAl + 3Mm On → nAl 2 O 3 +3 mM (A) However, in the thermite reaction, the metal M generated by the reductive decomposition of the raw material oxide MO becomes coarse inclusions, and the mechanical properties, particularly the toughness, are reduced. There was a problem of letting it.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、上記従来技
術の問題を解消し、マトリックス金属と結合して分散粒
子を生成する分散粒子生成元素の供給源である原料化合
物の分解に際して、遊離金属の生成を防止しながら、望
みの分散粒子を生成させ且つ更に別の分散粒子をも生成
させることを可能とした金属基複合材料およびその製造
方法を提供することを目的とする。SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems of the prior art and solves the problem of free metal when decomposing a raw material compound which is a source of a dispersed particle forming element which forms dispersed particles by combining with a matrix metal. It is an object of the present invention to provide a metal-based composite material capable of producing desired dispersed particles and further producing other dispersed particles while preventing the production of the same, and a method for producing the same.
【０００６】[0006]
【課題を解決するための手段】上記の目的を達成するた
めに、本発明の金属基複合材料は、第１元素、第２元
素、第３元素および第４元素を含み、金属である第１元
素またはその合金から成るマトリックス中に、第１元
素、第２元素および第３元素のうちの少なくとも第１元
素と第２元素とから成る第１化合物の粒子、および第３
元素と第４元素とから成る第２化合物の粒子が分散して
いる金属基複合材料であって、第１元素の粉末、第２元
素と第３元素とから成る第３化合物の粉末、および第４
元素の粉末または第４元素と第１元素との化合物の粉
末、を混合状態で化学反応させたときに、第３化合物に
由来する第２元素および第３元素のうち少なくとも第２
元素と第１元素とから成る第１化合物の粒子が生成し且
つ第３元素と第４元素とから成る第２化合物の粒子が生
成するように、第１元素、第２元素、第３元素および第
４元素を選択したことを特徴とする。In order to achieve the above object, a metal-based composite material according to the present invention comprises a first element, a second element, a third element and a fourth element, and comprises a first metal Particles of a first compound comprising at least a first element and a second element of a first element, a second element and a third element in a matrix comprising the element or an alloy thereof;
A metal-based composite material in which particles of a second compound composed of an element and a fourth element are dispersed, wherein a powder of a first element, a powder of a third compound composed of a second element and a third element, and 4
When a powder of an element or a powder of a compound of the fourth element and the first element is chemically reacted in a mixed state, at least a second element out of the second element and the third element derived from the third compound is obtained.
The first element, the second element, the third element, and the second element are formed such that particles of a first compound including the element and the first element are generated and particles of a second compound including the third element and the fourth element are generated. A feature is that the fourth element is selected.
【０００７】上記本発明の金属基複合材料を製造する方
法は、第１元素、第２元素、第３元素および第４元素を
含み、金属である第１元素またはその合金からなるマト
リックス中に、第１元素、第２元素および第３元素のう
ちの少なくとも該第１元素と該第２元素とから成る第１
化合物の粒子、および該第３元素と該第４元素とから成
る第２化合物の粒子が分散している金属基複合材料の製
造方法であって、第１元素の粉末、第２元素および第３
元素から成る第３化合物の粉末、および第４元素の粉末
または第４元素と第１元素との化合物の粉末、を混合状
態で化学反応させることにより、第３化合物に由来する
第２元素および第３元素のうち少なくとも第２元素と第
１元素とから成る第１化合物の粒子を生成させ且つ第３
元素と第４元素とから成る第２化合物の粒子を生成させ
ることを特徴とする。The method for producing a metal-based composite material of the present invention is characterized in that a matrix containing the first element, the second element, the third element, and the fourth element and comprising the first element which is a metal or an alloy thereof is A first element composed of at least the first element and the second element among the first element, the second element, and the third element;
A method for producing a metal-based composite material in which particles of a compound and particles of a second compound comprising the third element and the fourth element are dispersed, wherein the powder of the first element, the second element and the third element
The second element and the second element derived from the third compound are chemically reacted in a mixed state with the powder of the third compound composed of the element and the powder of the fourth element or the powder of the compound of the fourth element and the first element. Forming particles of a first compound comprising at least a second element and a first element among the three elements;
The method is characterized in that particles of a second compound composed of an element and a fourth element are generated.
【０００８】本発明においては、第３化合物の分解によ
って放出された分散粒子生成元素としての第２元素が、
マトリックスの金属である第１元素と結合して所定の分
散粒子である第１化合物を生成し、同時に第３化合物か
ら放出された第３元素は第４元素と結合して第２化合物
として固定される。この第２化合物も微細な粒子として
第１元素のマトリックス中に分散する。[0008] In the present invention, the second element as a dispersed particle forming element released by the decomposition of the third compound is:
The first compound which is a metal of the matrix is combined with the first element to form a first compound which is a predetermined dispersed particle, and at the same time, the third element released from the third compound is combined with the fourth element and fixed as a second compound. You. This second compound is also dispersed as fine particles in the matrix of the first element.
【０００９】これにより、原料化合物の分解による粗大
な遊離元素粒子の形成が防止され、靱性等の機械特性が
安定した金属基複合材料が得られる。加えて、遊離元素
の固定により生成した第２化合物も微細な分散粒子とし
て強化に寄与するので、金属基複合材料の強度を更に高
めることができる。As a result, formation of coarse free element particles due to decomposition of the raw material compound is prevented, and a metal-based composite material having stable mechanical properties such as toughness can be obtained. In addition, since the second compound generated by fixing the free element also contributes to strengthening as fine dispersed particles, the strength of the metal-based composite material can be further increased.
【００１０】[0010]
【発明の実施の形態】上記各粉末を混合し、通常は加圧
成形した後、熱処理（通常は１４００℃以下）すること
により、第１化合物および第２化合物の粒子が同時に内
部生成する。典型的には下記４通りの実施形態１〜４で
実施できる。 〔実施形態１〕第１元素としてＡｌ、第２元素として
Ｏ、第３元素としてＳｉ、Ｔｉ、Ｔａ、ＮｂおよびＣｒ
のうちの１種、および第４元素としてＭｇ、ＣおよびＢ
のうちの１種（ただしＢはＡｌＢ2 の形でもよい）、を
含み、第１元素であるＡｌまたはその合金から成るマト
リックス中に、第１元素と第２元素とから成る第１化合
物としてのＡｌ2 Ｏ3 の粒子、および第３元素と第４元
素とから成る第２化合物としてＭｇ2 Ｓｉ、ＴｉＣ、Ｔ
ａＣ、ＮｂＣ、ＴｉＢ2 、ＴａＢ2 、ＮｂＢ2 およびＣ
ｒＢ2 のうちの１種の粒子、が分散しており、第２元素
および第３元素が由来する第３化合物がＳｉＯ2 、Ｔｉ
Ｏ2 、Ｔａ2Ｏ5 、Ｎｂ2 Ｏ5 およびＣｒ2 Ｏ3 のうち
の１種である。BEST MODE FOR CARRYING OUT THE INVENTION Particles of the first compound and the second compound are simultaneously internally produced by mixing the above-mentioned powders, usually pressing and then heat-treating (usually 1400 ° C. or lower). Typically, it can be carried out in the following four embodiments 1-4. [Embodiment 1] Al as the first element, O as the second element, Si, Ti, Ta, Nb and Cr as the third element
And Mg, C and B as the fourth element
(Where B may be in the form of AlB 2 ), in a matrix composed of the first element Al or an alloy thereof, as a first compound composed of the first element and the second element. Al 2 O 3 particles and Mg 2 Si, TiC, T as a second compound comprising a third element and a fourth element
aC, NbC, TiB 2 , TaB 2 , NbB 2 and C
One kind of particles of rB 2 is dispersed, and the third compound derived from the second element and the third element is SiO 2 , Ti
O 2 , Ta 2 O 5 , Nb 2 O 5, and Cr 2 O 3 .
【００１１】実施形態１においては、原料粉末の混合状
態（通常は混合粉末の加圧成形体中）で下記式で示した
反応により、第１化合物であるＡｌ2 Ｏ3 の粒子と第２
化合物の粒子が同時生成する。 基本形： Ａｌ＋αＯ ＋β →Ａｌ2 Ｏ3 ＋αβ 具体形 Ａｌ＋ＳｉＯ2 ＋Ｍｇ→Ａｌ2 Ｏ3 ＋Ｍｇ
2 Ｓｉ Ａｌ＋ＴｉＯ2 ＋Ｃ →Ａｌ2 Ｏ3 ＋ＴｉＣ Ａｌ＋Ｔａ2 Ｏ5 ＋Ｃ →Ａｌ2 Ｏ3 ＋ＴａＣ Ａｌ＋Ｎｂ2 Ｏ5 ＋Ｃ →Ａｌ2 Ｏ3 ＋ＮｂＣ Ａｌ＋ＴｉＯ2 ＋Ｂ →Ａｌ2 Ｏ3 ＋ＴｉＢ2 Ａｌ＋Ｔａ2 Ｏ5 ＋Ｂ →Ａｌ2 Ｏ3 ＋ＴａＢ2 Ａｌ＋Ｎｂ2 Ｏ5 ＋Ｂ →Ａｌ2 Ｏ3 ＋ＮｂＢ2 Ａｌ＋Ｃｒ2 Ｏ3 ＋Ｂ →Ａｌ2 Ｏ3 ＋ＣｒＢ2 （注１）各項は、Ａｌ：第１元素、Ｏ：第２元素、α：
第３元素、β：第４元素、Ａｌ2 Ｏ3 ：第１化合物、α
β：第２化合物、αＯ：第３化合物である。In the first embodiment, the particles of Al 2 O 3 as the first compound and the second compound are mixed in the mixed state of the raw material powders (usually in the pressed compact of the mixed powder) by the reaction represented by the following formula.
Compound particles form simultaneously. Basic: Al + αO + β → Al 2 O 3 + αβ concrete form Al + SiO 2 + Mg → Al 2 O 3 + Mg
2 Si Al + TiO 2 + C → Al 2 O 3 + TiC Al + Ta 2 O 5 + C → Al 2 O 3 + TaC Al + Nb 2 O 5 + C → Al 2 O 3 + NbC Al + TiO 2 + B → Al 2 O 3 + TiB 2 Al + Ta 2 O 5 + B → Al 2 O 3 + TaB 2 Al + Nb 2 O 5 + B → Al 2 O 3 + NbB 2 Al + Cr 2 O 3 + B → Al 2 O 3 + CrB 2 (Note 1) Al is the first element, O is the second element, α :
Third element, β: fourth element, Al 2 O 3 : first compound, α
β: second compound, αO: third compound.
【００１２】（注２）具体形の各項の元素または化合物
はその上方にある基本形の各項の元素または化合物に対
応する。 （注３）各式は反応を簡潔に模式表示したものであり、
通常の反応式と異なり、式中の各項には化学量論比に基
づく係数は付してない。 （注４）具体形〜で、左辺のＢはＡｌＢ2 に置き換
えてもよい。 〔実施形態２〕第１元素としてＡｌ、第２元素として
Ｎ、および第３元素および第４元素としてＭｇおよびＳ
ｉのうちの一方および他方、を含み、第１元素であるＡ
ｌまたはその合金から成るマトリックス中に、第１元素
と第２元素とから成る第１化合物としてのＡｌＮの粒
子、および第３元素と第４元素とから成る第２化合物と
してのＭｇ2 Ｓｉの粒子、が分散しており、第２元素お
よび第３元素が由来する第３化合物がＭｇ3 Ｎ2 および
Ｓｉ3 Ｎ4のうちの１種である。(Note 2) The element or compound of each item of the concrete form corresponds to the element or compound of each item of the basic form above it. (Note 3) Each equation is a simplified schematic representation of the reaction.
Unlike ordinary reaction formulas, each term in the formula is not given a coefficient based on the stoichiometric ratio. (Note 4) In the concrete form, B on the left side may be replaced with AlB 2 . [Embodiment 2] Al as the first element, N as the second element, and Mg and S as the third and fourth elements
A, which is one of the first elements, including one and the other of i.
1 or particles of AlN as a first compound composed of a first element and a second element, and particles of Mg 2 Si as a second compound composed of a third element and a fourth element in a matrix composed of 1 or an alloy thereof. Are dispersed, and the third compound from which the second element and the third element are derived is one of Mg 3 N 2 and Si 3 N 4 .
【００１３】実施形態２においては、原料粉末の混合状
態（通常は混合粉末の加圧成形体中）で下記式で示した
反応により、第１化合物であるＡｌＮの粒子と第２化合
物の粒子が同時生成する。 基本形： Ａｌ＋αＮ ＋β →ＡｌＮ＋αβ 具体形 Ａｌ＋Ｍｇ3 Ｎ2 ＋Ｓｉ→ＡｌＮ＋Ｍｇ2 Ｓ
ｉ Ａｌ＋Ｓｉ3 Ｎ4 ＋Ｃ →ＡｌＮ＋Ｍｇ2 Ｓｉ （注１）各項は、Ａｌ：第１元素、Ｎ：第２元素、α：
第３元素、β：第４元素、ＡｌＮ：第１化合物、αβ：
第２化合物、αＮ：第３化合物である。In the second embodiment, the particles of the first compound AlN and the particles of the second compound are mixed by the reaction represented by the following formula in a mixed state of the raw material powders (usually in the pressed compact of the mixed powder). Generate at the same time. Basic form: Al + αN + β → AlN + αβ Concrete form Al + Mg 3 N 2 + Si → AlN + Mg 2 S
i Al + Si 3 N 4 + C → AlN + Mg 2 Si (Note 1) Al: the first element, N: the second element, α:
Third element, β: fourth element, AlN: first compound, αβ:
Second compound, αN: Third compound.
【００１４】（注２）（注３）は実施形態１と同様。 〔実施形態３〕第１元素としてＡｌ、第２元素として
Ｏ、第３元素としてＭｇ、および第４元素としてＳｉ、
を含み、第１元素であるＡｌまたはその合金から成るマ
トリックス中に、第１元素と第２元素と第３元素とから
成る第１化合物としてのＭｇＡｌ2 Ｏ4の粒子、および
第３元素と第４元素とから成る第２化合物としてのＭｇ
2 Ｓｉの粒子、が分散しており、第２元素および第３元
素が由来する第３化合物がＭｇＯである。(Note 2) (Note 3) are the same as in the first embodiment. [Embodiment 3] Al as a first element, O as a second element, Mg as a third element, Si as a fourth element,
And particles of MgAl 2 O 4 as a first compound comprising a first element, a second element and a third element, and a third element and a Mg as a second compound composed of four elements
2 Si particles are dispersed, and the third compound from which the second element and the third element are derived is MgO.
【００１５】実施形態３においては、原料粉末の混合状
態（通常は混合粉末の加圧成形体中）で下記式で示した
反応により、第１化合物の粒子と第２化合物の粒子が同
時生成する。 具体形 Ａｌ＋ＭｇＯ＋Ｓｉ→ＭｇＡｌ2 Ｏ4 ＋Ｍｇ
2 Ｓｉ （注１）各項は、Ａｌ：第１元素、Ｏ：第２元素、Ｍ
ｇ：第３元素、Ｓｉ：第４元素、ＭｇＡｌ2 Ｏ4 ：第１
化合物、Ｍｇ2 Ｓｉ：第２化合物、ＭｇＯ：第３化合物
である。In the third embodiment, the particles of the first compound and the particles of the second compound are produced simultaneously by the reaction represented by the following formula in the mixed state of the raw material powders (usually in the pressed compact of the mixed powder). . Concrete form Al + MgO + Si → MgAl 2 O 4 + Mg
2 Si (Note 1) Al: First element, O: Second element, M
g: third element, Si: fourth element, MgAl 2 O 4 : first
Compound, Mg 2 Si: second compound, MgO: third compound.
【００１６】（注２）（注３）は実施形態１と同様。 〔実施形態４〕第１元素としてＭｇ、第２元素として
Ｏ、第３元素としてＴｉ、ＴａおよびＮｂのうちの１
種、および第４元素としてＣおよびＢのうちの１種、を
含み、第１元素であるＭｇまたはその合金から成るマト
リックス中に、第１元素と第２元素とから成る第１化合
物としてのＭｇＯの粒子、および第３元素と第４元素と
から成る第２化合物としてＴｉＣ、ＴａＣ、ＮｂＣ、Ｔ
ｉＢ2 、ＴａＢ2 およびＮｂＢ2 のうちの１種の粒子、
が分散しており、第２元素および第３元素が由来する第
３化合物がＴｉＯ2 、Ｔａ2 Ｏ5 およびＮｂ2 Ｏ5 のう
ちの１種である。(Note 2) and (Note 3) are the same as in the first embodiment. [Embodiment 4] Mg as the first element, O as the second element, and one of Ti, Ta and Nb as the third element
A first element composed of Mg or an alloy thereof, containing MgO as a first compound comprising a first element and a second element; And TiC, TaC, NbC, T as second compounds composed of the third element and the fourth element.
a particle of one of iB 2 , TaB 2 and NbB 2 ,
Are dispersed, and the third compound from which the second element and the third element are derived is one of TiO 2 , Ta 2 O 5 and Nb 2 O 5 .
【００１７】実施形態１においては、原料粉末の混合状
態（通常は混合粉末の加圧成形体中）で下記式で示した
反応により、第１化合物であるＡｌ2 Ｏ3 の粒子と第２
化合物の粒子が同時生成する。 基本形： Ｍｇ＋αＯ ＋β →ＭｇＯ＋αβ 具体形 Ｍｇ＋ＴｉＯ2 ＋Ｃ →ＭｇＯ＋ＴｉＣ Ｍｇ＋Ｔａ2 Ｏ5 ＋Ｃ →ＭｇＯ＋ＴａＣ Ｍｇ＋Ｎｂ2 Ｏ5 ＋Ｃ →ＭｇＯ＋ＮｂＣ Ｍｇ＋ＴｉＯ2 ＋Ｂ →ＭｇＯ＋ＴｉＢ2 Ｍｇ＋Ｔａ2 Ｏ5 ＋Ｂ →ＭｇＯ＋ＴａＢ2 Ｍｇ＋Ｎｂ2 Ｏ5 ＋Ｂ →ＭｇＯ＋ＮｂＢ2 （注１）各項は、Ｍｇ：第１元素、Ｏ：第２元素、α：
第３元素、β：第４元素、ＭｇＯ：第１化合物、αβ：
第２化合物、αＯ：第３化合物である。In the first embodiment, the particles of Al 2 O 3 as the first compound and the second compound are mixed in the mixed state of the raw material powders (usually in the pressed compact of the mixed powder) by the reaction represented by the following formula.
Compound particles form simultaneously. Basic: Mg + αO + β → MgO + αβ specific type Mg + TiO 2 + C → MgO + TiC Mg + Ta 2 O 5 + C → MgO + TaC Mg + Nb 2 O 5 + C → MgO + NbC Mg + TiO 2 + B → MgO + TiB 2 Mg + Ta 2 O 5 + B → MgO + TaB 2 Mg + Nb 2 O 5 + B → MgO + NbB 2 ( Note 1) Each term is Mg: 1st element, O: 2nd element, α:
Third element, β: fourth element, MgO: first compound, αβ:
Second compound, αO: third compound.
【００１８】（注２）（注３）は実施形態１と同様。(Note 2) (Note 3) are the same as in the first embodiment.
【００１９】[0019]
【実施例】実施形態１の具体形、、により、下記
手順および条件で本発明の分散強化型Ａｌ基複合材料を
製造した。 〔粉末の混合〕各試料について表１に示した配合量で各
粉末を秤量し、Ｖ型混合器により１時間混合した。EXAMPLE A dispersion-strengthened Al-based composite material of the present invention was produced according to the specific form of Embodiment 1 and the following procedure and conditions. [Mixing of powders] Each powder was weighed at the compounding amount shown in Table 1 for each sample and mixed for 1 hour with a V-type mixer.
【００２０】〔成形体の作成〕得られた混合粉末をφ３
０ｍｍの金型内に装入し、成形圧７ton/cm2 で成形し
た。 〔熱処理〕得られた粉末成形体をＡｒ雰囲気中で５℃／
min の昇温速度で１２００℃に加熱した。[Preparation of molded article]
It was charged into a 0 mm mold and molded at a molding pressure of 7 ton / cm 2 . [Heat treatment] The obtained powder compact was placed in an Ar atmosphere at 5 ° C /
The mixture was heated to 1200 ° C. at a heating rate of min.
【００２１】〔金属基複合材料の組織〕得られた金属基
複合材料について、Ｘ線回折による存在相の同定と走査
電子顕微鏡による組織観察を行った結果、表１に示した
ように、Ａｌマトリックス中に微細なＡｌ2 Ｏ3 粒子
（粒径２μｍ）と、Ｍｇ2 Ｓｉ粒子（粒径２０μｍ、試
料１）、ＴｉＣ粒子（粒径１μｍ、試料２）またはＴｉ
Ｂ2 粒子（粒径２μｍ、試料３）が分散している粒子分
散型Ａｌ基複合材料が得られた。[Structure of Metal Matrix Composite Material] As a result of identifying the existing phase by X-ray diffraction and observing the structure by a scanning electron microscope, the obtained metal matrix composite material showed an Al matrix as shown in Table 1. Fine Al 2 O 3 particles (particle diameter 2 μm), Mg 2 Si particles (particle diameter 20 μm, sample 1), TiC particles (particle diameter 1 μm, sample 2) or Ti
A particle-dispersed Al-based composite material in which B 2 particles (particle size 2 μm, sample 3) were dispersed was obtained.
【００２２】[0022]
【表１】 [Table 1]
【００２３】[0023]
【発明の効果】以上説明したように、本発明によれば、
マトリックス金属と結合して分散粒子を生成する分散粒
子生成元素の供給源である原料化合物の分解に際して、
遊離金属の生成を防止しながら、望みの分散粒子を生成
させることを可能とした金属基複合材料およびその製造
方法が提供される。As described above, according to the present invention,
Upon decomposition of the raw material compound, which is the source of the dispersed particle forming element that forms dispersed particles by combining with the matrix metal,
Provided are a metal-based composite material capable of forming desired dispersed particles while preventing generation of free metal, and a method for producing the same.
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 4K018 AA13 AA14 AB07 AB10 AC01 BB04 BC12 CA11 DA22 DA33 JA03 KA01 4K020 AA22 AC01 AC02 BA02 BB30 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4K018 AA13 AA14 AB07 AB10 AC01 BB04 BC12 CA11 DA22 DA33 JA03 KA01 4K020 AA22 AC01 AC02 BA02 BB30
Claims (10)
４元素を含み、金属である第１元素またはその合金から
成るマトリックス中に、第１元素、第２元素および第３
元素のうちの少なくとも第１元素と第２元素とから成る
第１化合物の粒子、および第３元素と第４元素とから成
る第２化合物の粒子が分散している金属基複合材料であ
って、 第１元素の粉末、 第２元素と第３元素とから成る第３化合物の粉末、およ
び 第４元素の粉末または第４元素と第１元素との化合物の
粉末、を混合状態で化学反応させたときに、第３化合物
に由来する第２元素および第３元素のうち少なくとも第
２元素と第１元素とから成る第１化合物の粒子が生成し
且つ第３元素と第４元素とから成る第２化合物の粒子が
生成するように、第１元素、第２元素、第３元素および
第４元素を選択したことを特徴とする金属基複合材料。The first element, the second element and the third element are contained in a matrix containing the first element, the second element, the third element, and the fourth element, the first element being a metal or an alloy thereof.
A metal-based composite material in which particles of a first compound composed of at least a first element and a second element, and particles of a second compound composed of a third element and a fourth element are dispersed, The powder of the first element, the powder of the third compound composed of the second element and the third element, and the powder of the fourth element or the powder of the compound of the fourth element and the first element were chemically reacted in a mixed state. Sometimes, particles of the first compound composed of at least the second element and the first element of the second element and the third element derived from the third compound are formed, and the second compound composed of the third element and the fourth element is formed. A metal-based composite material, wherein a first element, a second element, a third element, and a fourth element are selected so as to generate compound particles.
Ｏ、第３元素としてＳｉ、Ｔｉ、Ｔａ、ＮｂおよびＣｒ
のうちの１種、および第４元素としてＭｇ、ＣおよびＢ
のうちの１種（ただしＢはＡｌＢ2 の形でもよい）を含
み、第１元素であるＡｌまたはその合金から成るマトリ
ックス中に、第１元素と第２元素とから成る第１化合物
としてのＡｌ2 Ｏ3 の粒子、および第３元素と第４元素
とから成る第２化合物としてＭｇ2 Ｓｉ、ＴｉＣ、Ｔａ
Ｃ、ＮｂＣ、ＴｉＢ2 、ＴａＢ2、ＮｂＢ2 およびＣｒ
Ｂ2 のうちの１種の粒子が分散しており、第２元素およ
び第３元素が由来する第３化合物がＳｉＯ2 、Ｔｉ
Ｏ2 、Ｔａ2 Ｏ5 、Ｎｂ2 Ｏ5およびＣｒ2 Ｏ3 のうち
の１種であることを特徴とする請求項１記載の金属基複
合材料。2. The first element is Al, the second element is O, and the third element is Si, Ti, Ta, Nb and Cr.
And Mg, C and B as the fourth element
(Where B may be in the form of AlB 2 ), and in a matrix composed of Al as the first element or an alloy thereof, Al as the first compound composed of the first element and the second element Mg 2 Si, TiC, and Ta as particles of 2 O 3 and a second compound composed of a third element and a fourth element.
C, NbC, TiB 2 , TaB 2 , NbB 2 and Cr
One kind of particles of B 2 is dispersed, and the third compound derived from the second element and the third element is SiO 2 , Ti
O 2, Ta 2 O 5, Nb 2 O 5 and a metal matrix composite material according to claim 1, wherein it is one of Cr 2 O 3.
Ｎ、第３元素および第４元素としてＭｇおよびＳｉのう
ちの一方および他方を含み、第１元素であるＡｌまたは
その合金から成るマトリックス中に、第１元素と第２元
素とから成る第１化合物としてのＡｌＮの粒子、および
第３元素と第４元素とから成る第２化合物としてのＭｇ
2 Ｓｉの粒子が分散しており、第２元素および第３元素
が由来する第３化合物がＭｇ3 Ｎ2 およびＳｉ3 Ｎ4 の
うちの１種であることを特徴とする請求項１記載の金属
基複合材料。3. A matrix comprising Al as the first element, N as the second element, and one or the other of Mg and Si as the third and fourth elements, wherein the matrix is made of Al as the first element or an alloy thereof. AlN particles as a first compound composed of a first element and a second element, and Mg as a second compound composed of a third element and a fourth element
2 and Si particles are dispersed, according to claim 1, wherein the third compound in which the second element and the third element is derived is characterized in that it is a one of Mg 3 N 2 and Si 3 N 4 Metal matrix composites.
Ｏ、第３元素としてＭｇおよび第４元素としてＳｉを含
み、第１元素であるＡｌまたはその合金から成るマトリ
ックス中に、第１元素と第２元素と第３元素とから成る
第１化合物としてのＭｇＡｌ2 Ｏ4 の粒子、および第３
元素と第４元素とから成る第２化合物としてのＭｇ2 Ｓ
ｉの粒子が分散しており、第２元素および第３元素が由
来する第３化合物がＭｇＯであることを特徴とする請求
項１記載の金属基複合材料。4. A matrix comprising Al as a first element, O as a second element, Mg as a third element and Si as a fourth element, wherein the first element Al or an alloy thereof is contained in a matrix composed of Al or an alloy thereof. MgAl 2 O 4 particles as a first compound comprising a second element and a third element, and a third compound
Mg 2 S as a second compound composed of an element and a fourth element
The metal-based composite material according to claim 1, wherein the particles of i are dispersed, and the third compound from which the second element and the third element are derived is MgO.
Ｏ、第３元素としてＴｉ、ＴａおよびＮｂのうちの１
種、および第４元素としてＣおよびＢのうちの１種を含
み、第１元素であるＭｇまたはその合金から成るマトリ
ックス中に、第１元素と第２元素とから成る第１化合物
としてのＭｇＯの粒子、および第３元素と第４元素とか
ら成る第２化合物としてＴｉＣ、ＴａＣ、ＮｂＣ、Ｔｉ
Ｂ2 、ＴａＢ2 およびＮｂＢ2 のうちの１種の粒子が分
散しており、第２元素および第３元素が由来する第３化
合物がＴｉＯ2 、Ｔａ2 Ｏ5 およびＮｂ2 Ｏ5 のうちの
１種であることを特徴とする請求項１記載の金属基複合
材料。5. A method according to claim 1, wherein the first element is Mg, the second element is O, and the third element is one of Ti, Ta and Nb.
A first element composed of Mg or an alloy thereof containing a species and one of C and B as a fourth element, and containing MgO as a first compound composed of the first element and the second element in a matrix composed of Mg or an alloy thereof. TiC, TaC, NbC, Ti as particles and a second compound comprising a third element and a fourth element
One kind of particles of B 2 , TaB 2 and NbB 2 is dispersed, and the third compound derived from the second element and the third element is TiO 2 , Ta 2 O 5 and Nb 2 O 5 The metal-based composite material according to claim 1, wherein the composite material is one kind.
４元素を含み、金属である第１元素またはその合金から
なるマトリックス中に、第１元素、第２元素および第３
元素のうちの少なくとも該第１元素と該第２元素とから
成る第１化合物の粒子、および該第３元素と該第４元素
とから成る第２化合物の粒子が分散している金属基複合
材料の製造方法であって、 第１元素の粉末、 第２元素および第３元素から成る第３化合物の粉末、お
よび 第４元素の粉末または第４元素と第１元素との化合物の
粉末、を混合状態で化学反応させることにより、第３化
合物に由来する第２元素および第３元素のうち少なくと
も第２元素と第１元素とから成る第１化合物の粒子を生
成させ且つ第３元素と第４元素とから成る第２化合物の
粒子を生成させることを特徴とする金属基複合材料の製
造方法。6. A matrix containing a first element, a second element, a third element, and a fourth element, and comprising a first element, a second element, and a third element in a matrix composed of the first element or an alloy thereof, which is a metal.
A metal-based composite material in which particles of a first compound composed of at least the first element and the second element, and particles of a second compound composed of the third element and the fourth element are dispersed; Mixing the powder of the first element, the powder of the third compound comprising the second element and the third element, and the powder of the fourth element or the powder of the compound of the fourth element and the first element By chemically reacting in the state, particles of the first compound including at least the second element and the first element among the second element and the third element derived from the third compound are generated, and the third element and the fourth element are formed. A method for producing a metal-based composite material, wherein particles of the second compound are generated.
Ａｌ、第２元素としてＯ、第３元素としてＳｉ、Ｔｉ、
Ｔａ、ＮｂおよびＣｒのうちの１種、および第４元素と
してＭｇ、ＣおよびＢのうちの１種（ただしＢはＡｌＢ
2 の形でもよい）を含み、第１元素であるＡｌまたはそ
の合金から成るマトリックス中に、第１元素と第２元素
とから成る第１化合物としてのＡｌ2 Ｏ3 の粒子、およ
び第３元素と第４元素とから成る第２化合物としてＭｇ
2 Ｓｉ、ＴｉＣ、ＴａＣ、ＮｂＣ、ＴｉＢ2 、Ｔａ
Ｂ2 、ＮｂＢ2 およびＣｒＢ2 のうちの１種の粒子が分
散しており、第２元素および第３元素が由来する第３化
合物がＳｉＯ2 、ＴｉＯ2 、Ｔａ2 Ｏ5 、Ｎｂ2 Ｏ5 お
よびＣｒ2 Ｏ3 のうちの１種であることを特徴とする請
求項６記載の金属基複合材料の製造方法。7. The metal-based composite material comprises Al as a first element, O as a second element, Si, Ti as a third element,
One of Ta, Nb and Cr, and one of Mg, C and B as the fourth element (B is AlB
2 ), a particle of Al 2 O 3 as a first compound composed of the first element and the second element, in a matrix composed of Al as the first element or an alloy thereof, and a third element. Mg as a second compound comprising
2 Si, TiC, TaC, NbC, TiB 2 , Ta
One kind of particles of B 2 , NbB 2 and CrB 2 is dispersed, and the third compound derived from the second element and the third element is SiO 2 , TiO 2 , Ta 2 O 5 , Nb 2 O 5 method for producing a metal matrix composite material according to claim 6, wherein the or a one of Cr 2 O 3.
Ａｌ、第２元素としてＮ、第３元素および第４元素とし
てＭｇおよびＳｉのうちの一方および他方を含み、第１
元素であるＡｌまたはその合金から成るマトリックス中
に、第１元素と第２元素とから成る第１化合物としての
ＡｌＮの粒子、および第３元素と第４元素とから成る第
２化合物としてのＭｇ2 Ｓｉの粒子が分散しており、第
２元素および第３元素が由来する第３化合物がＭｇ3 Ｎ
2 およびＳｉ3 Ｎ4 のうちの１種であることを特徴とす
る請求項６記載の金属基複合材料の製造方法。8. The metal-based composite material includes Al as a first element, N as a second element, and one or the other of Mg and Si as a third and fourth element.
AlN particles as a first compound composed of a first element and a second element, and Mg 2 as a second compound composed of a third element and a fourth element, in a matrix composed of the element Al or an alloy thereof. Si particles are dispersed, and the third compound from which the second element and the third element are derived is Mg 3 N
7. The method for producing a metal-based composite material according to claim 6, wherein the method is one of Si 2 and Si 3 N 4 .
Ａｌ、第２元素としてＯ、第３元素としてＭｇおよび第
４元素としてＳｉを含み、第１元素であるＡｌまたはそ
の合金から成るマトリックス中に、第１元素と第２元素
と第３元素とから成る第１化合物としてのＭｇＡｌ2 Ｏ
4 の粒子、および第３元素と第４元素とから成る第２化
合物としてのＭｇ2 Ｓｉの粒子が分散しており、第２元
素および第３元素が由来する第３化合物がＭｇＯである
ことを特徴とする請求項６記載の金属基複合材料の製造
方法。9. The matrix comprising Al as a first element, O as a second element, Mg as a third element and Si as a fourth element, wherein the matrix is made of Al as the first element or an alloy thereof. MgAl 2 O as a first compound including a first element, a second element, and a third element
4 and particles of Mg 2 Si as a second compound composed of the third and fourth elements are dispersed, and the third compound from which the second element and the third element are derived is MgO. The method for producing a metal-based composite material according to claim 6, wherein:
てＭｇ、第２元素としてＯ、第３元素としてＴｉ、Ｔａ
およびＮｂのうちの１種、および第４元素としてＣおよ
びＢのうちの１種を含み、第１元素であるＭｇまたはそ
の合金から成るマトリックス中に、第１元素と第２元素
とから成る第１化合物としてのＭｇＯの粒子、および第
３元素と第４元素とから成る第２化合物としてＴｉＣ、
ＴａＣ、ＮｂＣ、ＴｉＢ2 、ＴａＢ2 およびＮｂＢ2 の
うちの１種の粒子が分散しており、第２元素および第３
元素が由来する第３化合物がＴｉＯ2 、Ｔａ2 Ｏ5 およ
びＮｂ2 Ｏ5 のうちの１種であることを特徴とする請求
項６記載の金属基複合材料の製造方法。10. The metal-based composite material comprises Mg as a first element, O as a second element, Ti and Ta as a third element.
And one of Nb and one of C and B as the fourth element, and a matrix composed of the first element and the second element is contained in a matrix made of the first element Mg or an alloy thereof. MgO particles as one compound, and TiC as a second compound composed of a third element and a fourth element,
One of TaC, NbC, TiB 2 , TaB 2 and NbB 2 particles is dispersed, and the second element and the third element are dispersed.
The third compound is method for producing a metal matrix composite material according to claim 6, wherein it is one of TiO 2, Ta 2 O 5 and Nb 2 O 5 which element is derived.
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|---|---|---|---|
| JP2000010221A JP2001192751A (en) | 2000-01-14 | 2000-01-14 | Metal matrix composite material and producing method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000010221A JP2001192751A (en) | 2000-01-14 | 2000-01-14 | Metal matrix composite material and producing method therefor |
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| Publication Number | Publication Date |
|---|---|
| JP2001192751A true JP2001192751A (en) | 2001-07-17 |
Family
ID=18538258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
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| Country | Link |
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| JP (1) | JP2001192751A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103502181A (en) * | 2011-05-13 | 2014-01-08 | 东洋炭素株式会社 | Metal-carbon composite material and method for producing same |
| CN104911416A (en) * | 2015-06-19 | 2015-09-16 | 华中科技大学 | In-situ particle mixed reinforced aluminum-based composite material and preparation method thereof |
| CN106702222A (en) * | 2016-12-16 | 2017-05-24 | 镇江创智特种合金科技发展有限公司 | Preparation method of mischmetal-doped (TiB2+ZrB2)/Al composite |
| CN110195182A (en) * | 2019-04-30 | 2019-09-03 | 西安交通大学 | A kind of double size multiphase granules enhancing magnesium-based composite material and preparation method thereof |
-
2000
- 2000-01-14 JP JP2000010221A patent/JP2001192751A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103502181A (en) * | 2011-05-13 | 2014-01-08 | 东洋炭素株式会社 | Metal-carbon composite material and method for producing same |
| CN104911416A (en) * | 2015-06-19 | 2015-09-16 | 华中科技大学 | In-situ particle mixed reinforced aluminum-based composite material and preparation method thereof |
| CN106702222A (en) * | 2016-12-16 | 2017-05-24 | 镇江创智特种合金科技发展有限公司 | Preparation method of mischmetal-doped (TiB2+ZrB2)/Al composite |
| CN110195182A (en) * | 2019-04-30 | 2019-09-03 | 西安交通大学 | A kind of double size multiphase granules enhancing magnesium-based composite material and preparation method thereof |
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