JPH0379738A - High strength al alloy material - Google Patents
High strength al alloy materialInfo
- Publication number
- JPH0379738A JPH0379738A JP21827389A JP21827389A JPH0379738A JP H0379738 A JPH0379738 A JP H0379738A JP 21827389 A JP21827389 A JP 21827389A JP 21827389 A JP21827389 A JP 21827389A JP H0379738 A JPH0379738 A JP H0379738A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- strength
- rapidly solidified
- alloy material
- compsn
- 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.)
- Pending
Links
- 239000000956 alloy Substances 0.000 title claims abstract description 33
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract 7
- 239000000843 powder Substances 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000000126 substance Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 abstract description 21
- 230000000694 effects Effects 0.000 abstract description 12
- 239000013078 crystal Substances 0.000 abstract description 3
- 229910017818 Cu—Mg Inorganic materials 0.000 abstract description 2
- 238000007670 refining Methods 0.000 abstract description 2
- 230000006866 deterioration Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 238000005242 forging Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000003679 aging effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 229910000714 At alloy Inorganic materials 0.000 description 1
- 229910014780 CaAl2 Inorganic materials 0.000 description 1
- 229910019752 Mg2Si Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、Ａｌ −Ｃｕ−Ｍｇ系高力Ａｔ合金の改良に
関する。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to improvements in Al-Cu-Mg-based high-strength At alloys.
（従来の技術と課題）
航空機用材、油圧部品やコンロッド等のエンジン部品、
ＶＴＲ用シリンダー等の材料として、従来２０００系の
高力Ｍ合金が使用されている。この種の合金は、常温で
の引張強度が５０ｋｇｆ／ｍ１１”近くまであり、しか
も２００℃程度の高温における強度も３０ｋｇｆ／ｍｍ
”程度あり、ある程度の耐熱性をも兼備しており、広範
囲の用途を有している。(Conventional technology and issues) Aircraft materials, engine parts such as hydraulic parts and connecting rods,
Conventionally, 2000 series high strength M alloys have been used as materials for VTR cylinders and the like. This type of alloy has a tensile strength of nearly 50 kgf/m11" at room temperature, and a strength of 30 kgf/mm at high temperatures of around 200°C.
``It has a certain degree of heat resistance, and has a wide range of uses.
しかしながら、近年、使用条件が苛酷になってきており
、強度の向上が要望されている。However, in recent years, usage conditions have become more severe, and there is a demand for improved strength.
ところで、常温での引張強度が５０ｋｇｆ／ｍ”程度の
７０７５系Ｍ合金が既に存在するが、この合金は常温強
度に優れるものの、２００°Ｃでの強度は３０ｋｇｆ／
ｍｍ”に及ばず、２０００系合金に比べて汎用的でない
。By the way, there is already a 7075 series M alloy with a tensile strength of about 50 kgf/m'' at room temperature, but although this alloy has excellent room temperature strength, its strength at 200°C is only 30 kgf/m.
mm" and is less versatile than 2000 series alloys.
本発明はかかる問題に鑑みなされたもので、常温のみな
らず２００°Ｃ程度の高温においても優れた強度を有す
るＭ合金を提供することを目的とする。The present invention was made in view of this problem, and it is an object of the present invention to provide an M alloy that has excellent strength not only at room temperature but also at high temperatures of about 200°C.
（課題を解決するための手段）
上記目的を達成するためになされた本発明の高力Ｍ合金
材は、化学Ｍｉ戒が重量％で、（１：ｕ： Ｌ、０〜
７．０％、 Ｍｇ ： ０．２〜２．５％Ｓｉ ：
０．１〜１．５％、 Ｍｎ： ０．１〜１．５％Ｚｒ
： ０．２〜３．０％
残部実質的にＭからなる４１合金急冷凝固粉末の押出材
もしくは鍛造材であることを発明の構成とする。(Means for Solving the Problems) The high-strength M alloy material of the present invention, which has been made to achieve the above object, has a chemical Mi precept of weight% (1:u:L,0~
7.0%, Mg: 0.2-2.5%Si:
0.1-1.5%, Mn: 0.1-1.5% Zr
: 0.2 to 3.0% The remainder is substantially M. The present invention is an extruded material or a forged material of rapidly solidified alloy 41 powder.
この際、合金材の高温特性向上のため、Ｍの一部に代え
て、Ｆｅを０．２〜１．５％含有することができる。At this time, in order to improve the high-temperature properties of the alloy material, 0.2 to 1.5% of Fe can be contained in place of a part of M.
（作 用）
本発明の高力Ｍ合金材の化学組成（単位−１％）は以下
の理由により限定される。(Function) The chemical composition (unit: -1%) of the high strength M alloy material of the present invention is limited by the following reasons.
Ｃｕ ： １．ｏ〜７．０％
ＣｕはＣａＡｌ２、Ａｊ、ＣｕＭｇとなって基地中に析
出し、引張強さ、耐力を向上させる。１．０％未満では
その効果が少なく、一方７．０％を越えると効果が飽和
し経済的でなく、また伸びが低下する。Cu: 1. o~7.0% Cu becomes CaAl2, Aj, and CuMg and precipitates in the base, improving tensile strength and yield strength. If it is less than 1.0%, the effect will be small, while if it exceeds 7.0%, the effect will be saturated and it will be uneconomical, and the elongation will decrease.
Ｍｇ： ０．２〜２．５％
ＭｇはＣｕと共に強度向上に寄与し、特に常温時効性を
向上させる。０．２％未満ではその効果が少なく、一方
２．５％を越えると強度の低下を招来する。Mg: 0.2 to 2.5% Mg contributes to improving strength together with Cu, and particularly improves room temperature aging properties. If it is less than 0.2%, the effect will be small, while if it exceeds 2.5%, the strength will decrease.
Ｓｉ：０．１〜１゜５％
ＳｔはＭｇ２Ｓｉとなって析出し、高温時効性を改善す
る。０．１％未満ではその効果が少なく、一方１．５％
を越えると伸びが低下する。Si: 0.1 to 1°5% St precipitates as Mg2Si and improves high temperature aging properties. Less than 0.1% has little effect, while 1.5%
Exceeding this will reduce elongation.
Ｍｎ： ０．１〜１．５％
Ｍｎは引張強さ、耐力の向上に寄与する。０．１％未満
ではその効果が少なく、一方１．５％を越えると伸びが
低下する。Mn: 0.1 to 1.5% Mn contributes to improving tensile strength and yield strength. If it is less than 0.1%, the effect will be small, while if it exceeds 1.5%, the elongation will decrease.
Ｚｒ ： ０．２〜３．０％
Ｚｒは結晶粒を微細化する作用をなし、その結果、強度
が向上する。０．２％未満ではその効果が少なく、一方
３．０％を越えると効果が飽和し不経済となり、また伸
びが低下する。Zr: 0.2 to 3.0% Zr has the effect of making crystal grains finer, and as a result, the strength is improved. If it is less than 0.2%, the effect will be small, while if it exceeds 3.0%, the effect will be saturated and become uneconomical, and the elongation will decrease.
Ｆｅ： ０．２〜１．５％ Ｆｅは高温での強度低下を防止する作用をなす。Fe: 0.2~1.5% Fe acts to prevent strength from decreasing at high temperatures.
０．２％未満ではその効果が少なく、一方１．５％を越
えるとＡＺＦｅＳｉが多量に生成するようになり、”ｇ
ｚＳｉの析出が抑えられ、Ｍｇ、Ｓｔによる析出強化が
損われる。If it is less than 0.2%, the effect will be small, while if it exceeds 1.5%, a large amount of AZFeSi will be generated, and "g"
Precipitation of zSi is suppressed, and precipitation strengthening by Mg and St is impaired.
上記組成のＭ合金急冷凝固粉末は、合金元素を過飽和に
固溶して基地の固溶体強化が図られ、また結晶粒の微細
化により基地の強化が図られる。The M alloy rapidly solidified powder having the above-mentioned composition is capable of solid solution strengthening of the matrix by supersaturated solid solution of the alloying elements, and also of strengthening of the matrix by refining the crystal grains.
前記Ｍ合金急冷凝固粉末の押出材もしくは鍛造材は、同
功■工による強度のせん新作用によって、粉末表面に形
成されている散大程度の不活性、安定なＡｌ酸化物被膜
の分断が行われると共に、粉末同士が一体化され、一体
止された基地中に前記分断されたＭ酸化物片が均一に分
散したものとなる。In the extruded material or forged material of the rapidly solidified M alloy powder, the inert and stable Al oxide film formed on the powder surface is divided to a large extent by the strong pneumatic action of the same technique. At the same time, the powders are integrated, and the divided M oxide pieces are uniformly dispersed in the integrated base.
（実施例）
本発明のＭ合金材の原料となる所定成分のＭ合金急冷凝
固粉末は、水アトマイズ法や回転ドラム法等の適宜の手
段で製造される。回転ドラム法とは、回転する冷却ドラ
ムの内周面に冷却水層を遠心力の作用で形威し、該冷却
水層に溶融Ｍ合金を噴射し、微細に分断して急冷凝固粉
末を得る方法である。(Example) A rapidly solidified M alloy powder having a predetermined composition, which is a raw material for the M alloy material of the present invention, is produced by an appropriate method such as a water atomization method or a rotating drum method. In the rotating drum method, a cooling water layer is formed on the inner peripheral surface of a rotating cooling drum by the action of centrifugal force, and molten M alloy is injected into the cooling water layer, which is finely divided to obtain rapidly solidified powder. It's a method.
Ｍ合金急冷凝固粉末は、粉末の状態で、あるいは圧縮成
形ビレットとして押出しコンテナに収容され、押出し加
工に供される。押出に際して、Ｍ合金粉末表面のＭ酸化
物被膜の分断、分散や粉末の基地（Ａｌ固溶体）同士の
一体化を十分行うために、押出比は５〜２０とするのが
よく、また押出荷重の軽減および基地の拡散接合のため
に、押出温度は２５０〜４５０°Ｃとするのがよい。The M alloy rapidly solidified powder is stored in an extrusion container in a powder state or as a compression molded billet, and is subjected to extrusion processing. During extrusion, in order to sufficiently divide and disperse the M oxide film on the surface of the M alloy powder and integrate the powder base (Al solid solution), the extrusion ratio is preferably set to 5 to 20, and the extrusion load is For mitigation and diffusion bonding of the matrix, the extrusion temperature is preferably between 250 and 450°C.
本発明の合金材は、押出し加工のばか鍛造加工により押
出し加工時と同等の作用がなされ、所期の合金組織を得
ることができる。この際、鍛造温度は２６０〜５１０°
Ｃとするのがよい。The alloy material of the present invention has the same effect as the extrusion process through the forging process, which is an extrusion process, and the desired alloy structure can be obtained. At this time, the forging temperature is 260~510°
It is better to set it as C.
以上のようにして得られた押出材もしくは鍛造材は、適
宜、鍛造加工、切削加工等により目的とする製品形状に
加工される。また、必要に応じてＴ４処理（４７５〜５
００”Ｃで溶体化処理し、水冷した後、自然時効を行う
。）を施し、より高強度化を図ることができる。The extruded material or forged material obtained as described above is processed into the desired product shape by forging, cutting, etc., as appropriate. In addition, T4 processing (475-5
After solution treatment at 00''C, water cooling, and natural aging), higher strength can be achieved.
次に具体的実施例について説明する。Next, specific examples will be described.
（１）下記第１表の化学組成（１１ｔ％、残部実質的に
４７）のＡ１合金を溶製し、回転ドラム法によって、粒
径０．０５〜１閣の急冷凝固粉末を作成した。尚、試料
Ｎｏ、 ｆ〜８は本発明実施例であり、Ｎｏ、９．１０
は２０１７．２０２４Ａ７合金相当組威の比較例である
。(1) An A1 alloy having the chemical composition shown in Table 1 below (11 t%, remainder substantially 47 t%) was melted and rapidly solidified powder with a particle size of 0.05 to 1 mm was prepared by a rotating drum method. In addition, sample No. f~8 is an example of the present invention, and sample No. 9.10
is a comparative example of the structure equivalent to 2017.2024A7 alloy.
（２）Ｎα１〜１０の急冷凝固粉末を押出比２５、押出
温度４５０°Ｃで押出し、φ２５ｍｍの棒材を得た。(2) A rapidly solidified powder with Nα of 1 to 10 was extruded at an extrusion ratio of 25 and an extrusion temperature of 450°C to obtain a bar with a diameter of 25 mm.
（３）この押出材より試験片を採取し、Ｔ４熱処理を施
した後、室温および２００’Ｃにおける引張強さおよび
伸びを測定した。その結果を第１表に併せて示す。(3) A test piece was taken from this extruded material, subjected to T4 heat treatment, and then its tensile strength and elongation at room temperature and 200'C were measured. The results are also shown in Table 1.
同表より、Ｚｒ、 Ｆｅ以外が路間等の試料（例えば、
Ｈａ ２ 、５とＮｏ、 ９、Ｎｏ、 ４ 、８とＮｏ
、１０）を比較すると、実施例のＭ合金材は、室温にお
ける引張強さの向上が著しく、しかも２００″Ｃにおけ
る強度向上が認められる。From the same table, it can be seen that samples other than Zr and Fe are between roads (for example,
Ha 2, 5 and No, 9, No, 4, 8 and No
, 10), the M alloy material of the example shows a remarkable improvement in tensile strength at room temperature, and also shows an improvement in strength at 200''C.
（発明の効果）
以上説明した通り、本発明の高力Ａ１合金材は、Ｚｒ：
０．２〜３．０％含有した特定組成のＭ合金急冷凝固粉
末の押出材もしくは鍛造材であるので、従来の２０００
系Ｍ合金に比べて、室温における大幅な強度向上のみな
らず、２００″Ｃ程度の高温においても強度の向上が図
られ、軽量高強度材として優れた特性を有する。(Effect of the invention) As explained above, the high strength A1 alloy material of the present invention has Zr:
Since it is an extruded material or forged material of M alloy rapidly solidified powder with a specific composition containing 0.2 to 3.0%, it is different from the conventional 2000.
Compared to series M alloys, it not only has significantly improved strength at room temperature, but also at high temperatures of about 200''C, and has excellent properties as a lightweight, high-strength material.
Claims (2)
：０．１〜１．５％、Ｍｎ：０．１〜１．５％Ｚｒ：０
．２〜３．０％ 残部実質的にＡｌからなるＡｌ合金急冷凝固粉末の押出
材もしくは鍛造材であることを特徴とする高力Ａｌ合金
材。(1) Chemical composition in weight%: Cu: 1.0-7.0%, Mg: 0.2-2.5%Si
: 0.1-1.5%, Mn: 0.1-1.5% Zr: 0
．． A high-strength Al alloy material, characterized in that it is an extruded material or a forged material of a rapidly solidified Al alloy powder consisting of 2 to 3.0% and the remainder substantially Al.
２〜１．５％ を含有する高力Ａｌ合金材。(2) In place of a part of Al in claim (1), Fe: 0.
High strength Al alloy material containing 2 to 1.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21827389A JPH0379738A (en) | 1989-08-23 | 1989-08-23 | High strength al alloy material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21827389A JPH0379738A (en) | 1989-08-23 | 1989-08-23 | High strength al alloy material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0379738A true JPH0379738A (en) | 1991-04-04 |
Family
ID=16717283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21827389A Pending JPH0379738A (en) | 1989-08-23 | 1989-08-23 | High strength al alloy material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0379738A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05140688A (en) * | 1991-11-21 | 1993-06-08 | Kubota Corp | Al alloy material excellent in high temperature fatigue strength |
| WO2002083962A1 (en) * | 1999-01-15 | 2002-10-24 | Alcoa Inc. | Aluminum alloy extrusions having a substantially unrecrystallized structure |
| CN103276263A (en) * | 2013-05-22 | 2013-09-04 | 慈溪市宜美佳电器有限公司 | Rolled copper-aluminum alloy with high flexibility and high strength and manufacturing method of plate prepared from same |
| CN110438378A (en) * | 2019-09-16 | 2019-11-12 | 营口忠旺铝业有限公司 | A kind of 2 line aluminium alloy melting and casting methods |
| CN114015917A (en) * | 2021-10-19 | 2022-02-08 | 北京工业大学 | Si, Mg and Zr microalloyed AlCuMn heat-resistant aluminum alloy and heat treatment process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6483637A (en) * | 1987-09-25 | 1989-03-29 | Toyo Aluminium Kk | Aluminum alloy material for powder metallurgy |
| JPH01290740A (en) * | 1988-05-18 | 1989-11-22 | Showa Alum Corp | Aluminum alloy having excellent heat resistance |
-
1989
- 1989-08-23 JP JP21827389A patent/JPH0379738A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6483637A (en) * | 1987-09-25 | 1989-03-29 | Toyo Aluminium Kk | Aluminum alloy material for powder metallurgy |
| JPH01290740A (en) * | 1988-05-18 | 1989-11-22 | Showa Alum Corp | Aluminum alloy having excellent heat resistance |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05140688A (en) * | 1991-11-21 | 1993-06-08 | Kubota Corp | Al alloy material excellent in high temperature fatigue strength |
| WO2002083962A1 (en) * | 1999-01-15 | 2002-10-24 | Alcoa Inc. | Aluminum alloy extrusions having a substantially unrecrystallized structure |
| CN103276263A (en) * | 2013-05-22 | 2013-09-04 | 慈溪市宜美佳电器有限公司 | Rolled copper-aluminum alloy with high flexibility and high strength and manufacturing method of plate prepared from same |
| CN110438378A (en) * | 2019-09-16 | 2019-11-12 | 营口忠旺铝业有限公司 | A kind of 2 line aluminium alloy melting and casting methods |
| CN114015917A (en) * | 2021-10-19 | 2022-02-08 | 北京工业大学 | Si, Mg and Zr microalloyed AlCuMn heat-resistant aluminum alloy and heat treatment process |
| CN114015917B (en) * | 2021-10-19 | 2022-09-09 | 北京工业大学 | Si, Mg and Zr microalloyed AlCuMn heat-resistant aluminum alloy and heat treatment process |
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