JPH03170656A - Metal mold made of aluminum alloy - Google Patents
Metal mold made of aluminum alloyInfo
- Publication number
- JPH03170656A JPH03170656A JP1307766A JP30776689A JPH03170656A JP H03170656 A JPH03170656 A JP H03170656A JP 1307766 A JP1307766 A JP 1307766A JP 30776689 A JP30776689 A JP 30776689A JP H03170656 A JPH03170656 A JP H03170656A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- weight
- aluminum alloy
- metal mold
- mold
- 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
Links
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 23
- 239000002184 metal Substances 0.000 title claims abstract description 23
- 239000000919 ceramic Substances 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 8
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 10
- 239000011247 coating layer Substances 0.000 claims description 9
- 239000007921 spray Substances 0.000 claims description 6
- 238000005524 ceramic coating Methods 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 16
- 229910045601 alloy Inorganic materials 0.000 abstract description 14
- 239000000956 alloy Substances 0.000 abstract description 14
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 abstract description 9
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052749 magnesium Inorganic materials 0.000 abstract description 6
- 229910000861 Mg alloy Inorganic materials 0.000 abstract description 5
- 238000002844 melting Methods 0.000 abstract description 5
- 150000002739 metals Chemical class 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract description 5
- 229910001297 Zn alloy Inorganic materials 0.000 abstract description 4
- 229910052725 zinc Inorganic materials 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 229910000990 Ni alloy Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 238000007751 thermal spraying Methods 0.000 description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 5
- 239000010953 base metal Substances 0.000 description 5
- 239000011777 magnesium Substances 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007750 plasma spraying Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910000946 Y alloy Inorganic materials 0.000 description 1
- -1 aluminum Chemical class 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［発明の利用分野Ｊ
本発明は、アルミニウム合金金型の内面に、合金および
セラミックを溶射することによって、威形の容易なアル
逅ニウム合金より成る金型の耐摩耗性および耐久性を改
善した鋳造用アル≧ニウム合合金型に関する．
［従来技術および発明が解決しようとする課題１アルミ
ニウム合金は耐熱性および機械的強度が低い為に、従来
にはこの合金をベース・メタルとする金型は実用されて
いない．しかしながらアルミニウム合金は戒形が非常に
容易であり、この性質を金型に利用することができれば
、金型の製造費用を著しく低下させることができる．ア
ルミニウムは酸化被膜を形或する性質を有していること
は周知である。しかしこの被膜だけでは金型として使用
するには不十分な機械的強度しか示していない。Detailed Description of the Invention [Field of Application of the Invention J The present invention is directed to improving the wear resistance of a mold made of an aluminum alloy that is easy to shape, by thermally spraying an alloy and a ceramic onto the inner surface of the aluminum alloy mold. This article concerns an aluminum≧nium alloy mold for casting with improved strength and durability. [Prior Art and Problems to be Solved by the Invention 1 Aluminum alloys have low heat resistance and mechanical strength, so molds using this alloy as the base metal have not been put into practical use in the past. However, aluminum alloys are very easy to shape, and if this property can be utilized in molds, the manufacturing cost of molds can be significantly reduced. It is well known that aluminum has the property of forming an oxide film. However, this coating alone exhibits insufficient mechanical strength to be used as a mold.
本発明は、アルミニウム合金をベースメタルとし、低溶
融金属（例えば、アルミニウムおよびアルミニウム合金
、マグネシウムおよびマグネシウム合金、亜鉛および亜
鉛合金等）の鋳造に充分に耐える金型を提供することを
課題としている。An object of the present invention is to provide a mold that uses an aluminum alloy as a base metal and can sufficiently withstand casting of low-melting metals (for example, aluminum and aluminum alloys, magnesium and magnesium alloys, zinc and zinc alloys, etc.).
［発明の構威１
本発明者は、ＣｏおよびＣｒの少なくとも１種類、Ｎｉ
およびＹより成る粉末金属溶射材料が、アルミニウム合
金で形成された金型の内面に溶射された被覆層およびそ
れより外側の層としてＺｒＯｔ／’ｈｏ：＋一 多孔質
セラミック被覆を持ち、上記粉末金属溶射材料の各成分
が以下の割合で存在し二〇〜４０重量２のＧｏ
０〜２５重量２のＣｒ
０．１〜１．０重量Ｘ（７）Ｙ
残量のＮｉ
そして上記セラ主ツク層の組成が９８〜８５重量χのＺ
ｒＯｚおよび２〜１５重ＩＸのＹ．０３であることを特
徴とする、アルミニウム合金金型によって、上記の課題
が解決されることを見出した。[Structure 1 of the Invention The present inventor has discovered that at least one of Co and Cr, Ni
A powder metal sprayed material consisting of Y and Y has a coating layer sprayed on the inner surface of a mold made of an aluminum alloy and a porous ceramic coating as a layer outside the coating layer, and the powder metal Each component of the thermal spray material is present in the following proportions: 20 to 40% by weight 2 Go 0 to 25% Cr by weight 0.1 to 1.0% by weight Z with a composition of 98 to 85 weight χ
rOz and 2 to 15 folds of Y. It has been found that the above-mentioned problems can be solved by an aluminum alloy mold having the following characteristics:
更に本発明者は、５〜４５重量２のＣｒ、０．１〜１．
０重量２のＹおよび残量のＣｏより成る粉末金属溶射材
料が、アルミニウム合金で形成された金型の内面に溶射
された被覆層およびそれより外側の層としてＺｒＯｚ／
Ｙｚ（ｈ一 多孔質セラごツタ被覆を持ちそして上記セ
ラミック層の＆ｇ戒が９８〜８５重量χのＺｒＯ．およ
び２〜１５重１％のＹ２０，であることことを特徴とす
る、アルよニウム合金金型によっても同様に上記の課題
が解決できることを見出した。Furthermore, the inventor has found that 5 to 45 wt Cr, 0.1 to 1.
A powder metal spray material consisting of 0 weight 2 of Y and the balance of Co was sprayed on the inner surface of a mold made of aluminum alloy as a coating layer and as an outer layer of ZrOz/
Aluminum having a porous ceramic coating and characterized in that the &g precept of the ceramic layer is 98-85% by weight χ of ZrO. and 2-15% by weight of Y20. It has been found that the above problems can be similarly solved by using an alloy mold.
本発明のアルミニウム合金金型は、アルミニウム、アル
ミニウム合金、マグネシウム、マグネシウム合金、亜鉛
、亜鉛合金等の低溶融金属を鋳造するのに用いることが
できる。これは、鋳造時に、アルミニウム合金金型が鋳
造材料のマグネシウムまたはマグネシウム合金あるいは
アルミニウムまたはアルミニウム合金の融体と接触した
場合に、戒形体におよび／または戒形体中のアルミニウ
ムまたはマグネシウム自体が金型のアルミニウム合金に
付着してしまことが予想されたので、全く驚くべきこと
である。The aluminum alloy mold of the present invention can be used to cast low-melting metals such as aluminum, aluminum alloys, magnesium, magnesium alloys, zinc, zinc alloys, and the like. This is because during casting, when an aluminum alloy mold comes into contact with the casting material magnesium or magnesium alloy or aluminum or aluminum alloy melt, the aluminum or magnesium itself in the molded body and/or in the molded body is This is quite surprising since it was expected that it would adhere to aluminum alloys.
本発明で使用される溶射材料およびその製造方法は、特
願平１−１３９２２８号および同１−２２８３４３号に
既に開示した。即ち、本発明の溶射材料を製造するには
、これを構成する各成分を最初に溶解混合する際にＹが
酸化し易いことから、これを防止する為に真空状態で行
う必要がある。The thermal spray material used in the present invention and its manufacturing method have already been disclosed in Japanese Patent Application Nos. 1-139228 and 1-228343. That is, in order to manufacture the thermal spray material of the present invention, since Y is likely to be oxidized when the constituent components are first melted and mixed, it is necessary to perform the process in a vacuum to prevent this.
次いで溶融物を直接的にガスーアトマイザーによって１
０μＩ１〜８０μ鵬の微細粉末とする。The melt is then directly atomized by a gas atomizer.
It is made into a fine powder of 0 μl to 80 μl.
このようにして製造された粉末溶射材料は、アルミニウ
ム合金の金型に慣用の方法、例えばプラズマ溶射、高温
溶射によって溶射することができる．
本発明の金属溶射材料を用いて溶射した後に得られる被
覆層は、１３００℃まで耐えられる優れた耐熱性を有す
る．更に本発明で用いる金属溶射材料層はベースメタル
およびセラミック層との密着性が非常に良い。The powder spray material thus produced can be sprayed onto an aluminum alloy mold by a conventional method, such as plasma spraying or high temperature spraying. The coating layer obtained after thermal spraying using the metal thermal spraying material of the present invention has excellent heat resistance that can withstand temperatures up to 1300°C. Furthermore, the metal thermal spray material layer used in the present invention has very good adhesion to the base metal and the ceramic layer.
セラミック層は、約２〜ｌ５重量２のイットリアと残量
のジルコニャで組成されており、多孔質であることに起
因して鋳造時にガスを排除する働きをする他に、鋳型の
耐熱性および耐久性を著しく向上させる働きもする。イ
ットリアの量が上記の範囲より少なくとも多くともセラ
ξック層の強度並びに合金層との密着性が悪くなる．こ
の層の厚さは一般に５０〜５００ μ隋であるのが好ま
しい。The ceramic layer is composed of approximately 2 to 15 liters of yttria and the remaining amount of zirconia, and due to its porous nature, it not only functions to eliminate gas during casting, but also improves the heat resistance and durability of the mold. It also works to significantly improve sex. Even if the amount of yttria is at least greater than the above range, the strength of the ceramic layer and the adhesion with the alloy layer will deteriorate. The thickness of this layer is generally preferably from 50 to 500 microns.
これらの層を設けたアルミニウム合金金型は、アルごニ
ウム、アル藁ニウム合金、マグネシウム、マグネシウム
合金、亜鉛および亜鉛合金の戒形体を得る為に場合に、
５．０００ショット以上の鋳造にも耐え得る耐久性を示
す。Aluminum alloy molds with these layers can be used to obtain shaped bodies of argonium, aluminum alloys, magnesium, magnesium alloys, zinc and zinc alloys.
It exhibits durability that can withstand over 5,000 shots of casting.
本発明のアル友ニウム合金金型の例を以下に示す：
最初にアルミニウム合金より戒る金型の内面に、上述の
合金組成の溶射材料を約１０．０００〜約５．０００℃
でプラズマ溶射または約２，７００゜Ｃで高温溶射によ
って５０〜６００ ｐｍ ，殊に２００〜３００ ａｍ
の厚さで被覆する。次いで組成が９８〜８５重量％、殊
ニ９５〜９０重量’Ｘ （７）ＺｒＯｚと２〜１５重量
χ、殊に５〜１０重量χのｙ．ｏ３であるセラごツク被
覆層を同様な条件の溶射法によって５０〜５００μｍ、
殊に２００〜３００μｍの厚さに溶射する。セラミック
層には沢山の連続孔が生じ、これがセラごック層を多孔
質にしている。この多孔質の孔は戊形体の表面に凹凸を
生じさせる程の大きさではなく、顕微鏡にて見ることが
できる程のものである。An example of an aluminum alloy mold according to the present invention is shown below: First, a thermal spraying material having the above-mentioned alloy composition is applied to the inner surface of the aluminum alloy mold at a temperature of about 10.000 to about 5.000°C.
50-600 pm, especially 200-300 am, by plasma spraying at about 2,700°C or high temperature spraying at about 2,700°C.
Cover with a thickness of . Then the composition is 98 to 85% by weight, especially 95 to 90% by weight (7) ZrOz and y. The ceramic coating layer of O3 was coated with a thickness of 50 to 500 μm by thermal spraying under similar conditions.
In particular, it is sprayed to a thickness of 200 to 300 μm. Many continuous pores occur in the ceramic layer, which makes the Ceragoc layer porous. This porous pore is not large enough to cause irregularities on the surface of the rod, but is large enough to be seen with a microscope.
本発明のアルミニウム合金金型の場合には、セラミック
溶射材料とベース・メタルとの間に著しい膨張係数の違
いがあるにもかかわらず、結合層（金属溶射材料）が両
者を非常に良好に接合している。In the case of the aluminum alloy mold of the present invention, the bonding layer (metallic sprayed material) bonds the ceramic sprayed material and the base metal very well despite the significant difference in coefficient of expansion between the two. are doing.
本発明のアルミニウム合金金型は、軟塗型剤を鋳型内面
に塗布する必要なしに、５，０００ショット以上の鋳造
にも耐え得る。The aluminum alloy mold of the present invention can withstand more than 5,000 casting shots without the need to apply a soft coating agent to the inner surface of the mold.
［実施例１
本発明を実施例および比較例によって以下に更に詳細に
説明する。[Example 1] The present invention will be explained in more detail below using Examples and Comparative Examples.
裏益脳ユ
アルミニウム合金で形威されたアルよニウム合金製エン
ジンカバー用金型の内面に、プラズマ溶射法によって４
４．５５重量χのＮｉ， ３５重量ｚのＣｏ， ２０重
量２のＣｒおよび０．４５重量χのｙより成る溶融粉末
合金を８０００゜Ｃで溶射して１５０μｍの被覆層を形
或する。The inner surface of the mold for the engine cover made of aluminum alloy was molded using aluminum alloy, and the inside surface of the mold was coated with four coats using plasma spraying.
A molten powder alloy consisting of 4.55 weight χ of Ni, 35 weight z of Co, 20 weight 2 of Cr and 0.45 weight χ of y is sprayed at 8000°C to form a coating layer of 150 μm.
このようにして形威されたＮｉ／Ｃｏ／Ｃｒ／Ｙ合金被
覆層の上に、同様な溶射法によって９２重Ｈｚのジルコ
ニャと８重量χのイットリアとより戒るセラミック粉末
を２５０ｌｌＩＩ１の厚さで被覆する。On top of the Ni/Co/Cr/Y alloy coating layer formed in this way, ceramic powder containing 92-Hz zirconia and 8-weight χ yttria was applied to a thickness of 250 mm by a similar thermal spraying method. Cover.
その際の溶射温度はｓｏｏｏ″Ｃである。セラごツク層
には非常に小さい沢山の孔が存在し、多孔質と戒ってい
る。The thermal spraying temperature at that time is sooo''C. The ceramic layer has many very small pores and is considered porous.
この様にして製造されたアルごニウム合金金型を、自動
車のアルミニウム製エンジンカバーの鋳造に用いたとこ
ろ、ｓ．ｏｏｏシゴット行っても、金型に変化がなく、
戒形体の表面状態も良好であった。When the argonium alloy mold manufactured in this way was used for casting an aluminum engine cover for an automobile, s. ooo There is no change in the mold even if you do the job.
The surface condition of the precept was also good.
夫嵐明１
溶射される合金層が５０重量χのＮｉ、３１重量χのＣ
ｏ、１８．５５重量２のＣｒおよび０，４５重ｉｔχの
Ｙより成りそしてセラくツク層が９６重Ｎχのジルコニ
ャ粉末と４重量２のイットリアとより戒る点だけを変更
して、実施例１と同様にアルミニウム合合金型を製造し
た。この金型で自動車のアル旦ニウム合金製エンジン力
バーを鋳造する鋳造実験を実施例ｌと同様に行ったとこ
ろ、５，０００ショット行っても、金型に変化がなく、
戊形体の表面状態も良好であった。Akira Fu Arashi 1 The alloy layer to be thermally sprayed is Ni with a weight χ of 50 and C with a weight χ of 31
o, Cr of 18.55 weight 2 and Y of 0.45 weight itχ, and the ceramic layer was made of zirconia powder of 96 weight Nχ and 4 weight 2 of yttria. An aluminum alloy mold was manufactured in the same manner as in Example 1. When we conducted a casting experiment to cast an aluminum alloy engine power bar for an automobile using this mold in the same manner as in Example 1, there was no change in the mold even after 5,000 shots.
The surface condition of the rod was also good.
裏旌囲』
溶射される合金層が５７．５５重ＮｘのＮｉ、２５重量
ＸのＣｏ， １７重量２のＣｒおよび０．４５重量！
（７）Ｙより成る点だけを変更して、実施例１と同様に
アルミニウム合金金型を製造しそして同様の鋳造実験を
行った．
実施例１におけるのと同等の結果が得られた。The sprayed alloy layer is 57.55wNx Ni, 25wtx Co, 17wt2 Cr and 0.45wt!
(7) An aluminum alloy mold was manufactured in the same manner as in Example 1, with only the point consisting of Y being changed, and a similar casting experiment was conducted. Results equivalent to those in Example 1 were obtained.
！旌班』
７９．５５重量！ （７）Ｎｉ， ２０重量！（７）Ｃ
ｒおよび０．４５重量２のＶより成る金属溶射材料を用
いた点だけを変更して実施例ｌと同様にアルごニウム合
金金型を製造しそして同様の鋳造実験を行った。! Keiban” 79.55 weight! (7) Ni, 20 weight! (7)C
An argonium alloy mold was prepared and similar casting experiments were conducted in the same manner as in Example 1, with the only difference that a metal sprayed material consisting of V of r and 0.45 weight 2 was used.
実施例１におけるのと同等の結果が得られた。Results equivalent to those in Example 1 were obtained.
１施■」
６６．４５重量！（７）Ｎｉ、３３重量！（７）Ｃｏお
よび０．５５重量χのＶより成る金属溶射材料を用いた
点だけを変更して実施例１と同様にアル【ニウム合合金
型を製造しそして同様の鋳造実験を行った。1 serving ■” 66.45 weight! (7) Ni, 33 weight! (7) An aluminum alloy mold was manufactured in the same manner as in Example 1, except that a metal sprayed material consisting of Co and 0.55 weight χ of V was used, and a similar casting experiment was conducted.
実施例１におけるのと同等の結果が得られた。Results equivalent to those in Example 1 were obtained.
裏旌班』
７９．５５重量ＸのＣｏ， ２０重量χのＣｒおよび０
．４５重量ＸのＹより成る金属溶射材料を用いた点だけ
を変更して実施例１と同様にアル藁ニウム合合金型を製
造しそして同様の鋳造実験を行った。79.55 weight x Co, 20 weight x Cr and 0
．． An aluminum-straw alloy mold was manufactured in the same manner as in Example 1, except that a metal sprayed material consisting of Y having a weight of 45% was used, and a similar casting experiment was conducted.
実施例１におけるのと同等の結果が得られた。Results equivalent to those in Example 1 were obtained.
【発明の効果１
本発明のアルミニウム合金金型は、従来、金型の分野で
実用されていなかったアル逅ニウム合金をベースメタル
とするものであり、か覧る金型が鋼鉄製金型と同様に使
用できるようになったことは、驚くべきことであり且つ
産業への貢献は顕著なものである。[Effect of the invention 1] The aluminum alloy mold of the present invention uses an aluminum alloy as a base metal, which has not been put into practical use in the field of molds, and the mold that can be seen is different from steel molds. The fact that it can now be used in a similar manner is surprising and a significant contribution to industry.
Claims (1)
より成る粉末金属溶射材料が、アルミニウム合金で形成
された金型の内面に溶射された被覆層およびそれより外
側の層としてＺｒＯ＿２／Ｙ＿２Ｏ＿３＿−多孔質セラ
ミック被覆を持ち、上記粉末金属溶射材料の各成分が以
下の割合で存在し： ０〜４０重量％のＣｏ ０〜２５重量％のＣｒ ０．１〜１．０重量％のＹ 残量のＮｉ そして上記セラミック層の組成が９８〜８５重量％のＺ
ｒＯ＿２および２〜１５重量％のＶ＿２Ｏ＿３であるこ
とを特徴とする、アルミニウム合金金型。 ２）５〜４５重量％のＣｒ、０．１〜１．０重量％のＹ
および残量のＣｏより成る粉末金属溶射材料が、アルミ
ニウム合金で形成された金型の内面に溶射された被覆層
およびそれより外側の層としてＺｒＯ＿２／Ｙ＿２Ｏ＿
３＿−多孔質セラミック被覆を持ちそして上記セラミッ
ク層の組成が９８〜８５重量％のＺｒＯ＿２および２〜
１５重量％のＹ＿２Ｏ＿３であることを特徴とする、ア
ルミニウム合金金型。[Claims] 1) At least one of Co and Cr, Ni and Y
A powder metal sprayed material consisting of a coating layer sprayed on the inner surface of a mold made of an aluminum alloy and a ZrO_2/Y_2O_3_-porous ceramic coating as an outer layer, each component of the powder metal sprayed material are present in the following proportions: 0-40 wt% Co 0-25 wt% Cr 0.1-1.0 wt% Y balance Ni and the composition of the ceramic layer is 98-85 wt% Z
An aluminum alloy mold characterized by rO_2 and 2-15% by weight of V_2O_3. 2) 5-45% by weight of Cr, 0.1-1.0% by weight of Y
A powder metal spray material consisting of Co and the remaining amount of Co is sprayed on the inner surface of the mold made of aluminum alloy as a coating layer and an outer layer of ZrO_2/Y_2O_
3_-ZrO_2 and 2- with a porous ceramic coating and the composition of said ceramic layer is from 98 to 85% by weight
An aluminum alloy mold characterized by 15% by weight of Y_2O_3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1307766A JPH03170656A (en) | 1989-11-29 | 1989-11-29 | Metal mold made of aluminum alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1307766A JPH03170656A (en) | 1989-11-29 | 1989-11-29 | Metal mold made of aluminum alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03170656A true JPH03170656A (en) | 1991-07-24 |
| JPH0517306B2 JPH0517306B2 (en) | 1993-03-08 |
Family
ID=17973014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1307766A Granted JPH03170656A (en) | 1989-11-29 | 1989-11-29 | Metal mold made of aluminum alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03170656A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0707910A2 (en) | 1994-10-20 | 1996-04-24 | Kubota Corporation | Porous metal body and process for producing same |
| CN102327962A (en) * | 2011-06-16 | 2012-01-25 | 昆山市瑞捷精密模具有限公司 | Method for manufacturing zinc alloy mould with hard mask structure |
| CN102825135A (en) * | 2011-06-16 | 2012-12-19 | 昆山市瑞捷精密模具有限公司 | Ferrite stainless steel stamping die with self-lubricating coating |
-
1989
- 1989-11-29 JP JP1307766A patent/JPH03170656A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0707910A2 (en) | 1994-10-20 | 1996-04-24 | Kubota Corporation | Porous metal body and process for producing same |
| CN102327962A (en) * | 2011-06-16 | 2012-01-25 | 昆山市瑞捷精密模具有限公司 | Method for manufacturing zinc alloy mould with hard mask structure |
| CN102825135A (en) * | 2011-06-16 | 2012-12-19 | 昆山市瑞捷精密模具有限公司 | Ferrite stainless steel stamping die with self-lubricating coating |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0517306B2 (en) | 1993-03-08 |
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