JPS6379934A - Intermetallic compound grain dispersion-strengthened-type alloy and its production - Google Patents

Intermetallic compound grain dispersion-strengthened-type alloy and its production

Info

Publication number
JPS6379934A
JPS6379934A JP22519486A JP22519486A JPS6379934A JP S6379934 A JPS6379934 A JP S6379934A JP 22519486 A JP22519486 A JP 22519486A JP 22519486 A JP22519486 A JP 22519486A JP S6379934 A JPS6379934 A JP S6379934A
Authority
JP
Japan
Prior art keywords
alloy
intermetallic compound
powder
particle dispersion
dispersion strengthened
Prior art date
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.)
Granted
Application number
JP22519486A
Other languages
Japanese (ja)
Other versions
JPH0320453B2 (en
Inventor
Hiroyuki Omura
博幸 大村
Ii Fuain Moorisu
モーリス・イー・ファイン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ryobi Ltd
Original Assignee
Ryobi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ryobi Ltd filed Critical Ryobi Ltd
Priority to JP22519486A priority Critical patent/JPS6379934A/en
Publication of JPS6379934A publication Critical patent/JPS6379934A/en
Publication of JPH0320453B2 publication Critical patent/JPH0320453B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE:To manufacture a dispersion-strengthened-type alloy excellent in mechanical properties, by adding a powder of Ni or Ni-base intermetallic compound to a molten alloy, by mixing the above by agitation, and then by pouring the resulting mixture into a die-casting machine so as to disperse the powder uniformly into a matrix. CONSTITUTION:The Ni granular powder or the grains of Ni-base intermetallic compound such as Al3Ni, etc., are charged and added into the molten alloy of Al-Ni, etc. The resulting (molten alloy + powder) 1 is put into a mixer- agitator tank 2 and mixed by agitation by rotating an agitation blade 3 by means of a motor 4, which is poured into the die-casting machine. By this method, the powder is uniformly dispersed in a master alloy, so that intermetallic compound grain dispersion-strengthened-type alloy can be obtained.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、金属間化合物粒子分散強化型合金及びその製
造方法に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an intermetallic compound particle dispersion strengthened alloy and a method for producing the same.

〔従来の技術〕[Conventional technology]

金属間化合物AlNiは高い規則化エネルギーを持ち、
NiとAlの結合が強い故に優れた耐酸化性及び高硬度
を持つB e r t ho 7173 i de型化
合物である。
The intermetallic compound AlNi has high ordering energy,
It is a Bertho 7173 i de type compound that has excellent oxidation resistance and high hardness due to the strong bond between Ni and Al.

又、AlNi、ばLl、型構造を持ち、耐酸化性及び高
温強度を持つ金属間化合物である。
Furthermore, AlNi is an intermetallic compound that has a type structure and has oxidation resistance and high-temperature strength.

これら金属間化合物は、アルミ合金溶湯中へ直接添加す
ることで短時間に溶解する為、従来、金属間化合物粒子
分散強化型合金は焼結法によって製造している。
Conventionally, intermetallic compound particle dispersion-strengthened alloys have been manufactured by a sintering method because these intermetallic compounds dissolve in a short time when directly added to molten aluminum alloy.

従来の焼結法は、母相の微細金属粉末に、金属間化合物
粉末を添加して機械的に攪拌混合を行い、これをプレス
成形し、加熱焼結して金層間化合物粒子分散強化型合金
を製造するもので、加熱焼結したものを押出機、圧延機
により目的とする製品を製造する方法である。
In the conventional sintering method, intermetallic compound powder is added to the fine metal powder of the matrix, mechanically stirred and mixed, then press-formed, and heated and sintered to create a gold intercalation compound particle dispersion-strengthened alloy. This is a method of producing the desired product by heating and sintering the product using an extruder or rolling mill.

しかしながら、従来の焼結法では、金属間化合物粉末と
母合金粉末を機械的に攪拌混合するのであるが、母合金
粉末に金属間化合物粉末を均一にマトリックスに分散混
合することは、粒子間の凝集、比重差等の為に困難であ
った。
However, in the conventional sintering method, the intermetallic compound powder and the master alloy powder are mechanically stirred and mixed, but it is difficult to uniformly disperse and mix the intermetallic compound powder in the matrix. This was difficult due to agglomeration, differences in specific gravity, etc.

又、プレス成形、加熱焼結に際して酸化が伴なう為に、
加熱焼結する過程で酸化防止方法及び装置が必要であり
、それ故に、寸法精度の高い製品、又強度的にも制約が
あり、経費の点でもかなりの問題をもっている為、安価
に粒子分散型合金を大量生産することは困難である問題
点がある。
In addition, since oxidation occurs during press forming and heating sintering,
Oxidation prevention methods and equipment are required during the heating and sintering process, and therefore products with high dimensional accuracy and strength are limited, and there are considerable problems in terms of cost. There is a problem in that it is difficult to mass produce the alloy.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

本発明は上記問題点を解消しようとしたもので、従来、
金属間化合物粒子を合金溶湯中に添加すると溶解する為
に直接溶湯中に添加することは不可能とされていたもの
を、ダイカストマシンを使用することによって、直接溶
湯中に添加できて短時間の機械的攪拌により溶解せずに
金属間化合物を均一にマトリックスに分散させることが
でき、このことによって、延性を減じることなく、優れ
た機械的特性を有する金属間化合物粒子分散強化型合金
と、その製造方法を提供しようとするのが、その目的で
ある。
The present invention attempts to solve the above problems, and conventionally,
When intermetallic compound particles are added to the molten alloy, they dissolve, so it was considered impossible to directly add them to the molten metal. However, by using a die-casting machine, it is possible to add them directly to the molten metal in a short time. Mechanical stirring allows the intermetallic compounds to be uniformly dispersed in the matrix without dissolution, thereby creating an intermetallic particle dispersion strengthened alloy with excellent mechanical properties without reducing ductility. Its purpose is to provide a manufacturing method.

〔問題点を解決する為の手段〕[Means for solving problems]

即ち本発明は、ニッケル粉末あるいはニッケル基金属間
化合物粉末を直接溶湯合金中へ添加し、攪拌混合した後
、ダイカストマシンに給湯することによって、粉末を均
一にマトリックスに分散させるようにして、上記問題点
を解決したのである。
That is, the present invention solves the above problem by directly adding nickel powder or nickel-based intermetallic compound powder to a molten alloy, stirring and mixing, and then supplying hot water to a die-casting machine to uniformly disperse the powder in a matrix. This solved the problem.

〔実施例〕〔Example〕

以下本発明の合金と、その製造方法の実施例を詳述する
Examples of the alloy of the present invention and its manufacturing method will be described in detail below.

A15N+ 、 A4 Nr 、 AiNrs  金属
間化合物粒子(44μ直径以下)を直接Al1−3..
5wt%〜8.Owt%Ni合金溶湯(640℃〜70
0℃〕に投入添加し、この合金溶湯+粉末1を、第1図
に示した攪拌混合装置の攪拌混合槽2に収容し、攪拌羽
根3をモーター4で回転させ、攪拌混合した。
A15N+, A4Nr, AiNrs intermetallic compound particles (44μ diameter or less) were directly mixed with Al1-3. ..
5wt%~8. Owt%Ni alloy molten metal (640℃~70℃
The molten alloy + powder 1 was placed in the stirring mixing tank 2 of the stirring mixing device shown in FIG. 1, and the stirring blade 3 was rotated by the motor 4 to stir and mix.

攪拌混合後、ダイカストマシンに給湯した。After stirring and mixing, hot water was supplied to the die-casting machine.

こ〜で、上記Al−3.5wt%〜8.Qwt%Ni合
金は、優れた機械的性質を持ち、 かつ価格的にも低Ni%であるが為にマトリックスとし
て適している。
Here, the above Al-3.5wt%~8. Qwt%Ni alloy is suitable as a matrix because it has excellent mechanical properties and is inexpensive and has a low Ni%.

第2図はAl−Ni組織状態を示し、第3図(イ)、I
p)は10wt%AlNi金属間化合物粉末を、Al−
5.7wt%〜6. Ow t%N1溶湯中に投し、添
加攪拌混合後、金型にダイカストマシンで注湯して得ら
れた試験片の組織を示した写真である。
Figure 2 shows the Al-Ni structure, Figure 3 (a), I
p) is 10wt% AlNi intermetallic compound powder, Al-
5.7wt%~6. This is a photograph showing the structure of a test piece obtained by pouring the molten metal into a molten metal of Ow t%N1, stirring and mixing it, and then pouring the molten metal into a mold using a die-casting machine.

又、第3図(ハ)は、溶湯投入前の粒子を、第35.7
wt% 図に)は、lQwt%Ni粒子をAJ −Ni溶湯中に
投入添加し、攪拌後、金型にダイカストマシンで注湯し
て得られた試験片の組織を夫々示した写真である。
In addition, Fig. 3 (c) shows the particles before being added to the molten metal in Fig. 35.7.
(wt%) is a photograph showing the structure of a test piece obtained by adding 1Qwt% Ni particles to molten AJ-Ni, stirring, and pouring the molten metal into a mold using a die-casting machine.

第3図(イ)〜に)の各写真には、AlNi金属間化合
物粒子、およびNi粒子が母合金に均一に分散している
ことが示されている。
The photographs in FIGS. 3(a) to 3(a) show that AlNi intermetallic compound particles and Ni particles are uniformly dispersed in the master alloy.

Ni粒子及び金属間化合物AlNi粒子はA/−Ni合
金マトリックスとの結合力、又濡れ性は良いが、AJ−
Ni合金溶湯中に長時間(10分以上)保持し、攪拌混
合すると溶解する。
Ni particles and intermetallic compound AlNi particles have good bonding strength and wettability with the A/-Ni alloy matrix, but AJ-
When kept in the molten Ni alloy for a long time (10 minutes or more) and stirred and mixed, it dissolves.

上述の金属間化合物粒子を合金溶湯中に投入添加して攪
拌混谷後、ダイカストマシンに給湯して引張試験用試験
片及び摩耗試験片を鋳造し、夫々の試験を行った。
The above-mentioned intermetallic compound particles were added to the molten alloy and stirred, and then hot water was supplied to a die-casting machine to cast a tensile test specimen and an abrasion test specimen, and each test was conducted.

尚、摩耗試験は大越式摩耗試験により無潤滑条件下で最
終荷重2.1kg、滑り距離2oo??l、滑り速度を
変化させて行い、摩耗痕幅より比摩耗量を測定した。
The wear test was conducted using the Okoshi type wear test under non-lubricated conditions with a final load of 2.1kg and a sliding distance of 2oo? ? 1. The sliding speed was varied and the specific wear amount was measured from the wear scar width.

この試験結果を表−1、表−2及び第4図、第5図に示
す。
The test results are shown in Table 1, Table 2, and Figures 4 and 5.

以下余白 表−1 供試材基 390R,AI!−Ni−Mg、 Si、N
、ADCIO,AlNi/Al−Ni標準回転円板材料
名 PC25 表−2 供試材基 390R,AJ−Ni−Mg、Si、N、/
ADCIO,AlNi/Al−Ni標準回転円板材料名
  SUJ 2 表−1は、相手材としてはFe12材を使用した時の3
9OR,AA’−Ni−Mg合金、Si、N、粒子分散
強化合金、AlNi金属間化合物分散強化複合材(本発
明の材料〕の摩耗速度、摩耗距離、最終荷重、摩耗痕幅
、比摩耗量の結果であり、第4図はそれをプロットした
グラフであって、横軸に滑り速度を、縦軸に比摩耗量を
とったものである。
Margin table below-1 Test material base 390R, AI! -Ni-Mg, Si, N
, ADCIO, AlNi/Al-Ni standard rotating disc material name PC25 Table-2 Test material base 390R, AJ-Ni-Mg, Si, N, /
ADCIO, AlNi/Al-Ni Standard Rotating Disc Material Name SUJ 2 Table 1 shows 3 when Fe12 material is used as the mating material.
9OR, AA'-Ni-Mg alloy, Si, N, particle dispersion strengthened alloy, AlNi intermetallic compound dispersion strengthened composite material (material of the present invention) wear rate, wear distance, final load, wear scar width, specific wear amount FIG. 4 is a graph plotting the results, with the horizontal axis representing the sliding speed and the vertical axis representing the specific wear amount.

同図より、高速滑り速度の場合1.+JNi粒子分散強
化合金はSi、N、粒子分散強化合金の倍以上の耐摩耗
性を有する。
From the same figure, in the case of high sliding speed 1. +JNi particle dispersion strengthened alloy has wear resistance more than twice that of Si, N, particle dispersion strengthened alloy.

表−2は相手材として、5UJZ材を使用した時の39
OR、kl−Ni−Mg合金、Si、 N番粒子分散強
化合金、AJNi全Ni化合物分散強化合金の摩耗量の
結果であり、第5図は、それをプロットしたグラフであ
り、横軸に滑り速度を、縦軸に比摩耗量をとったもので
ある。
Table 2 shows 39 when using 5UJZ material as the mating material.
The results are the wear amount of OR, kl-Ni-Mg alloy, Si, N-number particle dispersion strengthened alloy, and AJNi all-Ni compound dispersion strengthened alloy. Figure 5 is a graph plotting the results, with slip on the horizontal axis. The velocity is plotted on the vertical axis, and the specific wear amount is plotted on the vertical axis.

同図より、高速及び低速滑り速度の場合、本発明の合金
(AI!Ni分散強化合金)は81sl’L粒子分散強
化合金の倍近くの耐摩耗性が示された。
The figure shows that at high and low sliding speeds, the alloy of the present invention (AI!Ni dispersion strengthened alloy) has nearly twice the wear resistance as the 81sl'L particle dispersion strengthened alloy.

更に、機械的性質として、本発明合金(AlNi粒子分
散強化合金)と、Si、N、粒子分散強化合金を比べた
場合、伸びはAlNi粒子材<、711〜57wt%N
i )か3.6〜5.Qwt%、Si、N、粒子分散材
(/ADC10,lは0.8〜0.9%であった。表−
3に機械的性質を示す。
Furthermore, in terms of mechanical properties, when comparing the present invention alloy (AlNi particle dispersion strengthened alloy) with Si, N, particle dispersion strengthened alloy, the elongation is AlNi particle material <, 711 to 57 wt%N
i) or 3.6-5. Qwt%, Si, N, particle dispersion material (/ADC10,l was 0.8 to 0.9%. Table-
3 shows the mechanical properties.

表−3機械的性質 〔発明の効果〕 以上説明したように本発明に係る金属間化合物粒子分散
強化型合金によれば、ニッケル粉末あるいはニッケル基
金属間化合物粉末が母合金に均一にマトリックスに分散
されていることによって耐摩耗性及び延性を向上でき、
もって優れた機械的特性を有する効果がある。
Table 3 Mechanical Properties [Effects of the Invention] As explained above, according to the intermetallic compound particle dispersion strengthened alloy according to the present invention, nickel powder or nickel-based intermetallic compound powder is uniformly dispersed in the matrix of the mother alloy. The wear resistance and ductility can be improved by
This has the effect of providing excellent mechanical properties.

又、本発明の製造方法ζこよれば、上記Ni粒子を上記
母合金溶湯中に添加し、短時間の機械的攪拌混合後、直
接ダイカストマシンによって均一にマトリックスに分散
させるようにしたから、凝集等の問題が起ることなく均
一に分散できて優れた耐摩耗性及び延性の粒子分散強化
型合金が得られると共に、ダイカスト鋳造法を利用する
ので、従来の焼結、粉末冶金法のように、コスト高な表
面処理方法や酸化防止方法及び装置−を必要としないの
で、従来法と比較して加工費を低減でき、又複雑形状を
容易に製造でき、多くの工程を省略化できるので安価に
粒子分散型強化合金を大量生産することができる利点が
ある。
Moreover, according to the manufacturing method of the present invention, the Ni particles are added to the molten master alloy, and after a short period of mechanical stirring and mixing, they are uniformly dispersed in the matrix directly by a die-casting machine, so that no agglomeration occurs. A particle dispersion-strengthened alloy with excellent wear resistance and ductility can be obtained by uniformly dispersing the particles without problems such as sintering and powder metallurgy. Because it does not require expensive surface treatment methods, oxidation prevention methods, or equipment, processing costs can be reduced compared to conventional methods, and complex shapes can be easily manufactured, and many processes can be omitted, making it inexpensive. This method has the advantage of being able to mass-produce particle-dispersed reinforced alloys.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明に係る金層間化合物粒子分散強化型合金
の製造方法に用いられる攪拌混合装置の一例を一部断面
して示した正面図、第2図金型にダイカストマシンで注
湯して得られた各試験片の各組織を夫々示した各写真、
第4図、第5図は各試験片の相手材に対する滑り速度と
比摩耗量との関係を夫々示した各グラフである。
Fig. 1 is a partially sectional front view of an example of the stirring and mixing device used in the method for manufacturing a gold intercalation compound particle dispersion strengthened alloy according to the present invention, and Fig. 2 is a partially cross-sectional front view of an example of a stirring and mixing device used in the method for manufacturing a gold intercalation compound particle dispersion strengthened alloy. Each photograph showing each structure of each test piece obtained by
FIGS. 4 and 5 are graphs showing the relationship between the sliding speed and specific wear amount of each test piece relative to the mating material.

Claims (6)

【特許請求の範囲】[Claims] (1)ニッケル粉末あるいはニッケル基金属間化合物粉
末を直接溶湯合金中へ添加し、攪拌混合して均一に分散
させてなることを特徴とする金属間化合物粒子分散強化
型合金。
(1) An intermetallic compound particle dispersion strengthened alloy characterized in that nickel powder or nickel-based intermetallic compound powder is directly added to a molten alloy and uniformly dispersed by stirring and mixing.
(2)ニッケル粉末あるいはニッケル基金属間化合物粉
末を直接溶湯合金中へ添加し、攪拌混合した後、ダイカ
ストマシンに給湯することによって、粉末を均一にマト
リックスに分散させることを特徴とする金属間化合物粒
子分散強化型合金の製造方法。
(2) An intermetallic compound characterized in that nickel powder or nickel-based intermetallic compound powder is directly added to a molten alloy, stirred and mixed, and then the powder is uniformly dispersed in a matrix by supplying hot water to a die-casting machine. A method for producing a particle dispersion strengthened alloy.
(3)ニッケル基金属間化合物が、AlNi、Al_3
、NiあるいはAlNi_3である特許請求の範囲第1
項、第2項記載の金属間化合物粒子分散強化型合金及び
その製造方法。
(3) The nickel-based intermetallic compound is AlNi, Al_3
, Ni or AlNi_3
2. The intermetallic compound particle dispersion strengthened alloy and its manufacturing method according to item 2.
(4)溶湯合金が、アルミ合金溶湯あるいはAlNi合
金マトリックスである特許請求の範囲第1項、第2項に
記載の金属間化合物粒子分散強化型合金及びその製造方
法。
(4) The intermetallic compound particle dispersion strengthened alloy and its manufacturing method according to claims 1 and 2, wherein the molten alloy is a molten aluminum alloy or an AlNi alloy matrix.
(5)ニッケル基金属間化合物粉末が、10wt〜20
wt%範囲のAlNi、AlNi_3、Al_3Niの
金属間化合物合粉末である特許請求の範囲第1項、第2
項記載の金属間化合物粒子分散強化型合金及びその製造
方法。
(5) Nickel-based intermetallic compound powder is 10 wt to 20 wt.
Claims 1 and 2 are intermetallic compound composite powders of AlNi, AlNi_3, and Al_3Ni in the wt% range.
Intermetallic compound particle dispersion strengthened alloy and method for producing the same as described in 1.
(6)溶湯合金が、Al−3.5wt〜8.0wt%N
i合金マトリックスである特許請求の範囲第1項、第2
項記載の金属間化合物粒子分散強化型合金及びその製造
方法。
(6) Molten alloy is Al-3.5wt~8.0wt%N
Claims 1 and 2, which are i-alloy matrix.
Intermetallic compound particle dispersion strengthened alloy and method for producing the same as described in 1.
JP22519486A 1986-09-23 1986-09-23 Intermetallic compound grain dispersion-strengthened-type alloy and its production Granted JPS6379934A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22519486A JPS6379934A (en) 1986-09-23 1986-09-23 Intermetallic compound grain dispersion-strengthened-type alloy and its production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22519486A JPS6379934A (en) 1986-09-23 1986-09-23 Intermetallic compound grain dispersion-strengthened-type alloy and its production

Publications (2)

Publication Number Publication Date
JPS6379934A true JPS6379934A (en) 1988-04-09
JPH0320453B2 JPH0320453B2 (en) 1991-03-19

Family

ID=16825443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22519486A Granted JPS6379934A (en) 1986-09-23 1986-09-23 Intermetallic compound grain dispersion-strengthened-type alloy and its production

Country Status (1)

Country Link
JP (1) JPS6379934A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0920940A (en) * 1994-12-19 1997-01-21 Inco Ltd Alloy containing insoluble phase and its production
CN106884100A (en) * 2015-12-16 2017-06-23 湖南科技大学 A kind of preparation method of nickel aluminium base multiphase alloy

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Publication number Priority date Publication date Assignee Title
JPS5512178A (en) * 1978-12-28 1980-01-28 Toyo Jozo Co Ltd Carrier having s-s exchange reactivity
JPS55122849A (en) * 1973-05-17 1980-09-20 Alcan Res & Dev Dispersion intensified aluminum alloy
JPS61115657A (en) * 1984-11-08 1986-06-03 Nissan Motor Co Ltd Production of cam shaft
JPS62218526A (en) * 1986-03-18 1987-09-25 Showa Alum Corp Manufacture of extruded aluminum alloy material having superior modulus of elasticity

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55122849A (en) * 1973-05-17 1980-09-20 Alcan Res & Dev Dispersion intensified aluminum alloy
JPS5512178A (en) * 1978-12-28 1980-01-28 Toyo Jozo Co Ltd Carrier having s-s exchange reactivity
JPS61115657A (en) * 1984-11-08 1986-06-03 Nissan Motor Co Ltd Production of cam shaft
JPS62218526A (en) * 1986-03-18 1987-09-25 Showa Alum Corp Manufacture of extruded aluminum alloy material having superior modulus of elasticity

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0920940A (en) * 1994-12-19 1997-01-21 Inco Ltd Alloy containing insoluble phase and its production
CN106884100A (en) * 2015-12-16 2017-06-23 湖南科技大学 A kind of preparation method of nickel aluminium base multiphase alloy

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