JPH034614B2 - - Google Patents
Info
- Publication number
- JPH034614B2 JPH034614B2 JP1035183A JP1035183A JPH034614B2 JP H034614 B2 JPH034614 B2 JP H034614B2 JP 1035183 A JP1035183 A JP 1035183A JP 1035183 A JP1035183 A JP 1035183A JP H034614 B2 JPH034614 B2 JP H034614B2
- Authority
- JP
- Japan
- Prior art keywords
- aluminum alloy
- carbon fiber
- fiber
- carbon fibers
- carbon
- 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.)
- Expired
Links
- 229910000838 Al alloy Inorganic materials 0.000 claims description 57
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 46
- 239000004917 carbon fiber Substances 0.000 claims description 46
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 22
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 8
- 239000012783 reinforcing fiber Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 239000000835 fiber Substances 0.000 description 18
- 229910052719 titanium Inorganic materials 0.000 description 18
- 239000010936 titanium Substances 0.000 description 18
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 16
- 238000005452 bending Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 150000001247 metal acetylides Chemical class 0.000 description 3
- 239000002905 metal composite material Substances 0.000 description 3
- 229910026551 ZrC Inorganic materials 0.000 description 2
- OTCHGXYCWNXDOA-UHFFFAOYSA-N [C].[Zr] Chemical compound [C].[Zr] OTCHGXYCWNXDOA-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000013001 point bending Methods 0.000 description 2
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 229910001007 Tl alloy Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Description
本発明は炭素繊維強化アルミニウム合金に係
る。
自動車、航空機などの各種構成要素は軽量化の
要請からアルミニウム合金にて構成されることが
多い、しかし一般にアルミニウム合金は鉄鋼材料
の如き他の材料に比して強度の如き機械的性質の
点で劣つており、従つて強度が優れていることを
要求される重要部品に対しアルミニウム合金を適
用することには限界がある。そのためこれらの技
術分野に於ては、アルミニウム合金の如き軽金属
をアルミナ繊維や炭素繊維の如き強化繊維にて強
化して繊維強化金属複合材料とし、その機械的性
質を改善する試みが広く行われており、従来より
種々の繊維強化金属複合材料及びその製造方法が
提案されている。
かかる繊維強化金属複合材料の一つとして、高
強度及び高剛性を有する炭素繊維を強化繊維とし
アルミニウム合金をマトリツクス金属とする炭素
繊維強化アルミニウム合金は既に知られている。
この炭素繊維強化アルミニウム合金に於ては、炭
素繊維とアルミニウム合金の溶湯との複合時に炭
素繊維の表面とアルミニウム合金中のアルミニウ
ムとが炭化物生成反応して炭素繊維が劣化するこ
とが知られており、このためかかる炭素繊維の劣
化を防止すべく、従来より炭素繊維とアルミニウ
ム合金の浴湯との複合化に先立つて、炭素繊維の
表面に炭化チタニウムや炭化ジルコニウムなどの
炭化物を形成し、これにより炭素繊維とマトリツ
クス金属としてのアルミニウム合金のアルミニウ
ムとが反応することを防止することが行われてい
る。しかしこの方法に於ては、炭素繊維とアルミ
ニウム合金の浴湯との複合化に先立つて炭素繊維
の表面に炭化物層を形成させるという特別の工程
を要するため、炭素繊維強化アルミニウム合金の
製造コストが高くなるだけでなく、炭素繊維とア
ルミニウム合金との接着性は殆ど向上しないため
炭素繊維強化アルミニウム合金の繊維配向90゜方
向、即ち炭素繊維の配向方向に対して90゜の方向
の強度を充分に向上させることができないという
欠点がある。
また、特公昭49−18891号に記載されている如
く、アルミニウム合金の浴湯中にアルミニウムよ
りも炭化物形成傾向の強いチタニウムやジルコニ
ウムなどの元素を比較的多量に添加することによ
り、炭素繊維とアルミニウム合金の浴湯とを複合
化する際に炭素繊維の表面に炭化チタニウムや炭
化ジルコニウムの如き炭化物層を積極的に生成さ
せ、これにより炭素繊維とアルミニウム合金のア
ルミニウムとが反応することを抑制する方法が知
られている。しかしこの方法に於ても、依然とし
て上記反応を十分には抑制することができないだ
けでなく、脆い炭化物層の形成により炭素繊維強
化アルミニウム合金の強度が低下するという欠点
がある。
本発明は従来の炭素繊維強化アルミニウム合金
に於ける上記欠点に鑑み、炭素繊維とアルミニウ
ム合金との接着性に優れており、従つて繊維配向
0゜方向、即ち炭素繊維の配向方向のみならず繊維
配向90゜の強度の高い炭素繊維強化アルミニウム
合金を提供することを目的としている。
かかる目的は、本発によれば、炭素繊維を強化
繊維とし、0.2〜0.45wt％Ti、残部実質的にAlな
る組成を有するアルミニウム合金をマトリツクス
金属とする炭素繊維強化アルミニウム合金によつ
て達成される。
マトリツクス金属としてのアルミニウム合金の
チタニウム含有量が0.2wt％未満である場合には、
炭素繊維とアルミニウム合金との接着性を向上さ
せる効果が小さく、またチタニウム含有量が
0.45wt％を越えると炭素繊維の表面に炭化チタニ
ウムが多量に生成し、またアルミニウム合金の融
点が著しく高くなり、炭素繊維とアルミニウム合
金の浴湯との複合化が困難になる。
本発明によれば、マトリツクス金属としてのア
ルミニウム合金のチタニウム含有量は0.2〜
0.45wt％に維持されるので、炭素繊維とアルミニ
ウム合金との接着性に優れており、それ故繊維配
向0゜方向のみならず繊維配向90゜方向の強度の高
い炭素繊維強化アルミニウム合金を得ることがで
きる。本発明による炭素繊維強化アルミニウム合
金は、炭素繊維とアルミニウム合金の浴湯とを短
時間に複合化すべく、鋳型内に炭素繊維を配置し
該鋳型内にアルミニウム合金の浴湯を注湯し該ア
ルミニウム合金の浴湯を前記鋳型内にて加圧しつ
つ凝固させる高圧鋳造法の如き加圧鋳造法により
製造することが好ましい。
尚本明細書に於て、アルミニウム合金のチタニ
ウム含有量の範囲を示す「〜」の表示に於ては、
その下限値及び上限値がその範囲に含まれている
ものとする。
以下に添付の図を参照しつつ、本発明を実施例
について詳細に説明する。
炭素繊維を強化繊維とし、チタニウムを含有す
るアルミニウム合金をマトリツクス金属とする炭
素繊維強化アルミニウム合金に於て、チタニウム
含有量が如何なる範囲であることが妥当であるか
の検討を行うべく、アルミニウム合金中のチタニ
ウム含有量を種々の値に設定して炭素繊維強化ア
ルミニウム合金を製造し、それぞれについて曲げ
試験を行つた。
まず純度99.8％ののアルミニウムにAl−５％
Ti合金を種々の量にて添加することにより、下
記の表１に示す７種類のAl−Tl合金を形成した。
The present invention relates to carbon fiber reinforced aluminum alloys. Various components of automobiles, aircraft, etc. are often made of aluminum alloys due to the need to reduce weight.However, aluminum alloys generally have poor mechanical properties such as strength compared to other materials such as steel materials. Therefore, there are limits to the application of aluminum alloys to important parts that require superior strength. Therefore, in these technical fields, attempts have been made widely to improve the mechanical properties of fiber-reinforced metal composite materials by reinforcing light metals such as aluminum alloys with reinforcing fibers such as alumina fibers and carbon fibers. Various fiber-reinforced metal composite materials and methods for producing the same have been proposed. As one such fiber-reinforced metal composite material, a carbon fiber-reinforced aluminum alloy is already known, which has high strength and high rigidity and uses carbon fiber as a reinforcing fiber and an aluminum alloy as a matrix metal.
In this carbon fiber-reinforced aluminum alloy, it is known that when the carbon fibers are combined with the molten aluminum alloy, the surface of the carbon fibers reacts with the aluminum in the aluminum alloy to form carbides, causing the carbon fibers to deteriorate. Therefore, in order to prevent such deterioration of carbon fibers, carbides such as titanium carbide and zirconium carbide are conventionally formed on the surface of carbon fibers prior to combining carbon fibers with aluminum alloy bath water. Efforts have been made to prevent carbon fibers from reacting with aluminum of an aluminum alloy as a matrix metal. However, this method requires a special process to form a carbide layer on the surface of the carbon fibers before combining them with the aluminum alloy bath, which reduces the manufacturing cost of the carbon fiber reinforced aluminum alloy. In addition, the adhesion between carbon fiber and aluminum alloy hardly improves, so it is necessary to sufficiently increase the strength in the 90° direction of fiber orientation of carbon fiber-reinforced aluminum alloy, that is, in the direction of 90° with respect to the orientation direction of carbon fibers. The disadvantage is that it cannot be improved. Furthermore, as described in Japanese Patent Publication No. 49-18891, by adding relatively large amounts of elements such as titanium and zirconium, which have a stronger tendency to form carbides than aluminum, to aluminum alloy bath water, carbon fibers and aluminum A method of actively generating a carbide layer such as titanium carbide or zirconium carbide on the surface of carbon fibers when combining them with alloy bath water, thereby suppressing the reaction between carbon fibers and aluminum of aluminum alloy. It has been known. However, even in this method, there is a drawback that not only the above reaction cannot be sufficiently suppressed, but also the strength of the carbon fiber reinforced aluminum alloy is reduced due to the formation of a brittle carbide layer. In view of the above-mentioned drawbacks of conventional carbon fiber-reinforced aluminum alloys, the present invention has excellent adhesion between carbon fibers and aluminum alloys, and therefore improves fiber orientation.
The object of the present invention is to provide a carbon fiber reinforced aluminum alloy having high strength not only in the 0° direction, that is, in the carbon fiber orientation direction, but also in the 90° fiber orientation. According to the present invention, this object is achieved by a carbon fiber-reinforced aluminum alloy in which carbon fiber is used as the reinforcing fiber and an aluminum alloy having a composition of 0.2 to 0.45 wt% Ti and the remainder substantially Al is used as the matrix metal. Ru. If the titanium content of the aluminum alloy as a matrix metal is less than 0.2wt%,
The effect of improving the adhesion between carbon fiber and aluminum alloy is small, and the titanium content is
If it exceeds 0.45 wt%, a large amount of titanium carbide will be generated on the surface of the carbon fibers, and the melting point of the aluminum alloy will become extremely high, making it difficult to combine the carbon fibers and the aluminum alloy with bath water. According to the invention, the titanium content of the aluminum alloy as matrix metal is 0.2~
Since it is maintained at 0.45wt%, it has excellent adhesion between carbon fiber and aluminum alloy, and therefore, it is possible to obtain a carbon fiber reinforced aluminum alloy with high strength not only in the 0° fiber orientation direction but also in the 90° fiber orientation direction. Can be done. The carbon fiber-reinforced aluminum alloy according to the present invention is produced by arranging carbon fibers in a mold and pouring aluminum alloy bath water into the mold in order to combine carbon fibers and aluminum alloy bath water in a short time. It is preferable to manufacture by a pressure casting method such as a high pressure casting method in which a bath of the alloy is solidified while being pressurized in the mold. In this specification, when the symbol "~" indicating the range of the titanium content of the aluminum alloy is used,
It is assumed that the lower limit value and upper limit value are included in the range. DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention will be explained in detail below by way of example embodiments with reference to the accompanying figures. In carbon fiber-reinforced aluminum alloys in which carbon fibers are used as reinforcing fibers and aluminum alloys containing titanium are used as matrix metals, in order to examine the appropriate range of titanium content in the aluminum alloys, Carbon fiber-reinforced aluminum alloys were manufactured by setting the titanium content to various values, and bending tests were conducted for each. First, 99.8% pure aluminum with 5% Al
By adding Ti alloy in various amounts, seven types of Al--Tl alloys shown in Table 1 below were formed.
【表】
次いで繊維径7μ、長さ100mmの炭素繊維１（東
レ株式会社「トレカ」（登録商標）M401ストラン
ド＝6000本）を一方向に揃え、バインダにて結着
して縦16mm、横38mm、長さ100mmの形状に成形し、
これを縦、横、長さがそれぞれ18mm、40mm、120
mm、板厚１mmのステンレス鋼（JIS規格SUS304）
製のケース２内に収め、炭素繊維１をケース２ご
と管状炉内にて800℃に予熱した。
次いで炭素繊維１をケース２ごと200℃に維持
された鋳型３のモールドキヤビテイ４内に配置
し、モールドキヤビテイ４内にアルミニウム合金
の浴湯５を素早く注湯し、浴湯５を200℃に維持
されたプランジヤ６により1000Kg／cm2の圧力に加
圧した。そしてこの加圧状態をアルミニウム合金
の浴湯５が完全に凝固するまで保持した。この場
合の各アルミニウム合金溶湯の注湯時の温度を下
記の表２に示す。[Table] Next, carbon fibers 1 (Toray Co., Ltd. "Torayka" (registered trademark) M401 strands = 6000 strands) with a fiber diameter of 7 μ and a length of 100 mm were aligned in one direction and bound with a binder to make a length of 16 mm and a width of 38 mm. , molded into a shape with a length of 100 mm,
The height, width, and length of this are 18 mm, 40 mm, and 120 mm, respectively.
mm, plate thickness 1mm stainless steel (JIS standard SUS304)
The carbon fiber 1 and the case 2 were preheated to 800°C in a tube furnace. Next, the carbon fiber 1 and the case 2 are placed in the mold cavity 4 of the mold 3 maintained at 200°C, and aluminum alloy bath water 5 is quickly poured into the mold cavity 4, and the bath water 5 is heated to 200°C. The pressure was increased to 1000 Kg/cm 2 by the plunger 6 maintained at 1000 Kg/cm 2 . This pressurized state was maintained until the aluminum alloy bath water 5 was completely solidified. The temperatures during pouring of each molten aluminum alloy in this case are shown in Table 2 below.
【表】
かくして鋳型３内の浴湯が完全に凝固した後、
この凝固体をノツクアウトピン７により鋳型３よ
り取出し、ケース２の周りにあるアルミニウム合
金を切削により除去してケース２を取出し、更に
ケースより炭素繊維１とアルミニウム合金とより
なる炭素繊維強化アルミニウム合金を取出した。
以上の如く製造された各炭素繊維強化アルミニ
ウム合金より、炭素繊維の配向方向に沿つて長さ
100mm、厚さ２mm、幅10mmの曲げ試験片を切出し、
それぞれの曲げ試験片について支点間距離40mmに
て繊維配向0゜方向の三点曲げ試験を行つた。また
各炭素繊維強化アルミニウム合金より炭素繊維の
配向方向に直交する方向を長手方向とする長さ36
mm、厚さ２mm、幅10mmの曲げ試験片を切出し、支
点間距離30mmにて繊維配向90゜方向の三点曲げ試
験を行つた。尚これらの曲げ試験に於ては、破断
時に於ける表面応力Ｍ／Ｚ（Ｍ＝破断時に於ける
曲げモーメント、Ｚ＝曲げ試験片の断面係数）を
炭素繊維強化アルミニウム合金の曲げ強さとして
測定した。この曲げ試験の結果を第３図に示す。
第３図より、繊維配向90゜方向の曲げ強さはア
ルミニウム合金中のチタニウム含有量が0.2〜
0.5wt％である場合に大きく向上するが、繊維配
向0゜方向の曲げ強さはチタニウム含有量が0.45wt
％を越えると急激に低下することが解る。従つて
繊維配向0゜方向及び繊維配向90゜方向の強度を向
上させるためには、マトリツクス金属としてのア
ルミニウム合金のチタニウム含有量は0.2〜
0.45wt％であることが必要であり、好ましくは
0.25〜0.45wt％であることが解る。
また上述の如く製造された炭素繊維強化アルミ
ニウム合金についてEPMA（電子線マイクロアナ
ライザ）にて分析を行つたところ、チタニウム含
有量が0.5wt％以上であるものに於ては、炭素繊
維の表面に炭化チタニウム生成しており、この炭
化チタニウムの生成により曲げ強さが低下せしめ
られたものと考けられる。これに対しチタニウム
含有量が0.2〜0.45wt％であるものに於ては、炭
素繊維の表面に炭化チタニウムが生成しているこ
とは認められず、炭素繊維の表面近傍にチタニウ
ムの元素が集合しており、このチタニウムの作用
によつて炭素繊維とアルミニウム合金との接着性
が改善され、これにより第３図に示されている如
く繊維配向0゜方向及び繊維配向90゜方向の曲げ強
さが向上されたものと推測される。
以上に於ては本発明を特定の実施例について詳
細に説明したが、本発明はかかる実施例に限定さ
れるものではなく、本発明の範囲内にて種々の実
施例が可能であることは当業者にとつて明らかで
あろう。[Table] After the bath water in mold 3 has completely solidified,
This solidified body is taken out from the mold 3 using the knockout pin 7, the aluminum alloy around the case 2 is removed by cutting, the case 2 is taken out, and the carbon fiber reinforced aluminum alloy made of carbon fiber 1 and aluminum alloy is further removed from the case. I took it out. From each carbon fiber-reinforced aluminum alloy manufactured as described above, the length along the orientation direction of carbon fibers is
Cut out a bending test piece of 100mm, 2mm thick, and 10mm wide.
A three-point bending test was performed on each bending test piece in the fiber orientation direction of 0° with a distance between fulcrums of 40 mm. In addition, each carbon fiber reinforced aluminum alloy has a length of 36 with the longitudinal direction perpendicular to the direction of carbon fiber orientation.
A bending test piece with a thickness of 2 mm, a width of 10 mm was cut out, and a three-point bending test was performed in the fiber orientation direction of 90° with a distance between the supports of 30 mm. In these bending tests, the surface stress M/Z at break (M = bending moment at break, Z = section modulus of the bending test piece) was measured as the bending strength of the carbon fiber reinforced aluminum alloy. did. The results of this bending test are shown in FIG. From Figure 3, the bending strength in the direction of 90° fiber orientation is determined by the titanium content in the aluminum alloy from 0.2 to 90°.
The bending strength in the fiber orientation direction of 0° is significantly improved when the titanium content is 0.45wt%.
It can be seen that when the value exceeds %, it decreases rapidly. Therefore, in order to improve the strength in the 0° fiber orientation direction and the 90° fiber orientation direction, the titanium content of the aluminum alloy as the matrix metal should be 0.2~
Must be 0.45wt%, preferably
It turns out that it is 0.25-0.45wt%. Furthermore, when the carbon fiber reinforced aluminum alloy manufactured as described above was analyzed using an EPMA (electron beam microanalyzer), it was found that in those with a titanium content of 0.5wt% or more, carbonization was observed on the surface of the carbon fibers. Titanium was produced, and it is thought that the bending strength was reduced by the production of titanium carbide. On the other hand, when the titanium content is 0.2 to 0.45wt%, no titanium carbide is observed to be formed on the surface of the carbon fibers, and titanium elements are aggregated near the surface of the carbon fibers. The effect of this titanium improves the adhesion between the carbon fiber and the aluminum alloy, which increases the bending strength in the 0° fiber orientation direction and the 90° fiber orientation direction, as shown in Figure 3. It is assumed that this has been improved. Although the present invention has been described in detail with respect to specific embodiments above, the present invention is not limited to such embodiments, and it is understood that various embodiments are possible within the scope of the present invention. It will be clear to those skilled in the art.
第１図及び第２図は本発明による炭素繊維強化
アルミニウム合金の製造工程を示す解図、第３図
はチタニウム含有量を種々の値に設定して製造さ
れた炭素繊維強化アルミニウム合金についての繊
維配向0゜方向及び繊維配向90゜方向の曲げ強さを
示すグラフである。
１……炭素繊維、２……ケース、３……鋳型、
４……モールドキヤビテイ、５……アルミニウム
合金の溶湯、６……プランジヤ、７……ノツクア
ウトピン。
Figures 1 and 2 are illustrations showing the manufacturing process of carbon fiber-reinforced aluminum alloys according to the present invention, and Figure 3 shows fibers of carbon fiber-reinforced aluminum alloys manufactured with various titanium contents. It is a graph showing the bending strength in the direction of 0° fiber orientation and in the direction of 90° fiber orientation. 1...Carbon fiber, 2...Case, 3...Mold,
4...mold cavity, 5...molten aluminum alloy, 6...plunger, 7...knockout pin.
Claims (1)
残部実質的にAlなる組成を有するアルミニウム
合金をマトリツクス金属とする炭素繊維強化アル
ミニウム合金。1 Carbon fiber is used as reinforcing fiber, 0.2-0.45wt% Ti,
A carbon fiber-reinforced aluminum alloy whose matrix metal is an aluminum alloy whose composition is essentially Al.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1035183A JPS59136445A (en) | 1983-01-24 | 1983-01-24 | Carbon fiber reinforced aluminum alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1035183A JPS59136445A (en) | 1983-01-24 | 1983-01-24 | Carbon fiber reinforced aluminum alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59136445A JPS59136445A (en) | 1984-08-06 |
| JPH034614B2 true JPH034614B2 (en) | 1991-01-23 |
Family
ID=11747763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1035183A Granted JPS59136445A (en) | 1983-01-24 | 1983-01-24 | Carbon fiber reinforced aluminum alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59136445A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111270170A (en) * | 2019-12-05 | 2020-06-12 | 冮振双 | Manufacturing process of carbon fiber motor |
-
1983
- 1983-01-24 JP JP1035183A patent/JPS59136445A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59136445A (en) | 1984-08-06 |
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