JPS5997753A - Manufacture of composite metal-ceramic casting - Google Patents
Manufacture of composite metal-ceramic castingInfo
- Publication number
- JPS5997753A JPS5997753A JP58199341A JP19934183A JPS5997753A JP S5997753 A JPS5997753 A JP S5997753A JP 58199341 A JP58199341 A JP 58199341A JP 19934183 A JP19934183 A JP 19934183A JP S5997753 A JPS5997753 A JP S5997753A
- Authority
- JP
- Japan
- Prior art keywords
- dross
- carrier
- coating
- sand
- cast metal
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0085—Materials for constructing engines or their parts
- F02F7/0087—Ceramic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2310/00—Selection of sound absorbing or insulating material
- F01N2310/06—Porous ceramics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Laminated Bodies (AREA)
- Ceramic Products (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
- Forging (AREA)
Abstract
Description
【発明の詳細な説明】
技術分野
本発明は、鋳込金属によって被覆され裏打ちされた熱分
解性キャリヤーを有する金蔵−セラミック鋳物における
複合部材を製造する方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION TECHNICAL FIELD The present invention relates to a method for producing composite parts in metal-ceramic castings having a pyrolyzable carrier coated and lined with cast metal.
発明の背景
フランス国特許第７８２］６９２号明細書には、コーテ
ィングをコアに被着し鋳込片に移す方法が開示されてい
る。このコーティングは厚さが０．５〜］、Ｑｍｉのス
テンレス鋼または他の金妨層から成る。この金属コーテ
ィングをコアに被着した後、閾じ厚さの耐火性物質の第
２の層を用いて被覆す、る。次いで耐火性物質の第２の
層を鋼層と鋳込片との間に置く。コーティングはプラズ
マスプレー法によって行う。BACKGROUND OF THE INVENTION French Patent No. 782]692 discloses a method for applying a coating to a core and transferring it to a casting piece. The coating consists of a stainless steel or other gold barrier layer with a thickness of 0.5~Qmi. After this metal coating is applied to the core, it is coated with a second layer of refractory material of a threshold thickness. A second layer of refractory material is then placed between the steel layer and the casting piece. Coating is done by plasma spraying.
しかし、この種の従来法では、実施が困難であり、また
高価である。さらに、コーテイング物質。However, this type of conventional method is difficult to implement and expensive. Additionally, coating substances.
と鋳込物質との間の結合が従来法では不十分であった。The bond between the molding material and the casting material was insufficient in the conventional method.
本発明の概要
本発明の目的は、簡単で経済的な方法により１製造でき
、コーテイング物質と鋳込物質との間に良好な接着結合
を確実に与える金属−セラミック鋳物の形での複合部材
を製造する方法を提供Ｔることにある。SUMMARY OF THE INVENTION The object of the invention is to provide a composite component in the form of a metal-ceramic casting, which can be produced by a simple and economical method and which ensures a good adhesive bond between the coating material and the casting material. The purpose is to provide a manufacturing method.
上記の本発明の目的は、鋳込金属によって被悲され裏打
ちされた熱分解性キャリヤーを有する金属−セラミック
鋳物の形で複合部材を製造する方法によって基本的には
達成される。この方法は、耐火性ドロスを用いて熱分解
性キャリヤー表面を被覆し、ドロスコーティングに耐火
性、砂を添加し、テ粒状）−ティングを生成し、粒状コ
ーティングを乾燥し、鋳込金属を用いてキャリヤーを鋳
造し機械的鋸歯状構造を鋳込金属と粒状コーティングと
、の間に与える工程を含む。The above objects of the invention are basically achieved by a method for producing a composite part in the form of a metal-ceramic casting with a pyrolyzable carrier covered and lined by cast metal. This method involves coating a pyrolyzable carrier surface with refractory dross, adding refractory sand to the dross coating, producing a granular coating, drying the granular coating, and applying cast metal to the dross coating. casting the carrier to provide a mechanical serration between the cast metal and the particulate coating.
この本発明方法を行うことによって、コーティングと鋳
型との間に丈夫な結合を与える。また、この方法を簡単
に安価に行うことができる。Carrying out this method of the invention provides a durable bond between the coating and the mold. Moreover, this method can be performed easily and inexpensively.
以下、本発明の実施例を図面に基づき説明する。Embodiments of the present invention will be described below based on the drawings.
好適例の説明
第】図において、製造１稈の初期段階では、正ノキャリ
ャーコア】を形成する。キャリヤーコア］は有機的に結
合した砂から成る。コアＪＰ形成１−るために使用され
る物質番ゴコールド・ボックス砂、クローニング砂、ホ
ット・ボックス砂または自硬性混合物を含むことができ
る。僅かな分解性をもつ鋳物砂のコアは特に有利である
。DESCRIPTION OF THE PREFERRED EMBODIMENT In the figure, at the initial stage of production of one culm, a positive carrier core is formed. The carrier core consists of organically bound sand. The materials used to form the core JP may include Gokold box sand, cloning sand, hot box sand or self-hardening mixtures. Cores of foundry sand with low degradability are particularly advantageous.
キャリヤーコア】は初めに有機ラッカーを用いて密封す
る。この密封は続いて形成されるセラミック層のため特
に微岬な内壁を与える。The carrier core is first sealed using an organic lacquer. This seal provides a particularly contoured inner wall for the subsequently formed ceramic layer.
次いでドロス物質の層２を、密封したコアに波器する。A layer 2 of dross material is then corrugated into the sealed core.
使用したドロスは揺変性であり約１４００℃までの温度
では変化を示さない。従って、ドロス物質は耐火性であ
り熱ｉｓに耐えられる。揺変性を用いて浸漬成形によっ
てドロスコーティングを塗布することができる。また、
ドロス物質を、はけ塗、吹付けまたは他の方法によって
キャリヤーコアに塗布することができる。The dross used is thixotropic and shows no change at temperatures up to about 1400°C. Therefore, the dross material is refractory and able to withstand heat is. Dross coatings can be applied by dip molding using thixotropy. Also,
The dross material can be applied to the carrier core by brushing, spraying or other methods.
ドロス物質を粒状耐火性物質を用いてサンドするが、こ
の粒状物質は熱膨張率が小さいことが好ましい。この場
合の「サンド」は粒状物質を皆金物に添加することを意
味し、表面を磨くことではない。サンド剤の造粒は凝固
に似た方法で＠造されるドロスＮ２の厚さを制御し、高
強度のコーティングを生成する。ドロスとサンド剤との
組成割合は、ｆ！Ｊ造されるコーティングの所望のｊｖ
さによって選ばれる。この方法では、コーティングは操
作温度での鋳込片の膨張に合わせる。The dross material is sanded with a particulate refractory material, which particulate material preferably has a low coefficient of thermal expansion. "Sanding" in this case means adding particulate matter to the hardware, not polishing the surface. Granulation of the sanding agent controls the thickness of the deposited dross N2 in a coagulation-like manner, producing a high strength coating. The composition ratio of dross and sanding agent is f! Desired JV of coating to be built
selected depending on the In this method, the coating matches the expansion of the cast piece at the operating temperature.
サンド剤をドロス層に添加して粒状コーティング３を生
成７６゜
ドロス物質の塗布とサンド剤の添加には次の中間引抜段
階をくり返すことができる。これは層４および５をそれ
ぞれ生成する。A sanding agent is added to the dross layer to produce the granular coating 3. The application of the 76° dross material and the addition of the sanding agent can be repeated with the following intermediate drawing steps. This produces layers 4 and 5 respectively.
粒状コーティングを約２００°Ｃ〜約３００℃の温度に
てコア上で乾燥させる。乾燥後、金属コーティングをキ
ャリヤーコア上で鋳面し、固い機械的鋸歯状構造を鋳込
金Ｒ６と粒状セラミックコーティングとの間につくる。The granular coating is dried on the core at a temperature of about 200<0>C to about 300<0>C. After drying, the metal coating is cast onto the carrier core, creating a hard mechanical serration structure between the cast metal R6 and the granular ceramic coating.
試験中に実施した鹸込ではガス発生の問題は生じなかっ
た。しかし、コアのセラミックコーティングは温度か約
り００℃〜約２３０°Ｃに達するまで乾燥しなかった。There were no problems with gas generation during the soaking conducted during the test. However, the ceramic coating on the core did not dry until temperatures reached from about 00°C to about 230°C.
キャリヤーコアを形成する物質としてポリスチレンフオ
ーム（またはポリスチロール７オーム）を用いた試験片
では鋳込に成功した。サンドから形成したキャリヤーコ
アは、強廖が大きく、本発明方法のコーティングを得る
ために良好な表面を与え、支持体としてセラミック部分
のセラミック縁を与えるので有利である。Test specimens using polystyrene foam (or polystyrene 7 ohm) as the material forming the carrier core were successfully cast. A carrier core formed from sand is advantageous as it has a high strength and provides a good surface for obtaining the coating of the method of the invention and provides the ceramic edge of the ceramic part as a support.
本発明方法は排気管の内側のコーティングを形、成する
ために、また他の高熱を必要とする自動正相部品に用い
るのに有利である。さらに、本方法は破壊抵抗物質を用
いた鋳込片のコーティングおよび腐食抵抗物質を用いた
複合金屏−セラミック鋳物の製造に使用Ｔることができ
る。The method of the invention is advantageous for forming and forming coatings on the inside of exhaust pipes, and for other automatic positive phase parts requiring high heat. Additionally, the method can be used to coat cast pieces with fracture-resistant materials and to produce composite metal-ceramic castings with corrosion-resistant materials.
第１図は本発明のＶ造工稈の各段階を示す断面図である
。
ｌ・・・コア ２，４・・・ドロス物質
の層３．５・・・粒状コーティング層
６・・・鋳込金属。FIG. 1 is a sectional view showing each stage of the V-shaped culm of the present invention. l... Core 2, 4... Layer of dross material 3.5... Granular coating layer 6... Cast metal.
Claims (1)
覆し、 耐火性砂をドロスコーティングに添加して粒状コーティ
ングを生、成し、 粒状コーティングを乾燥し、 鋳込金属を用いてキャリキーを鋳造し、鋳込金属と粒状
コーティングとの間に機械的鋸歯状構造を与える 各工程から成る鋳込金属によってＶ■され裏打ちされた
熱分解性キャリヤーを有する複合金属−セラミック鋳物
の製造方法。 ２ ドロスが揺変性であり約１４００ ’Ｃの温度に耐
火性である特許請求の範囲第１項記載の方法。 ＆ ドロスが熱衝撃に耐えられる特許請求の範囲第２項
記載、の方法。 。 ４ 耐火性砂が異なる造粒を有する特許請求の範囲第１
項記載の方法。 五 ドロスを浸漬成形によって塗布する特許請求の範囲
第１項記載の方法。 住 ドロスをはけ塗によって塗布する特許請求の範囲第
１項記載の方法。 ７、 ドロスを吹付けによって塗布する特許請求の範囲
第１項記載の方法。 ８ 粒状コーティングを約２００°Ｃ〜約８００℃の温
度にてキャリヤー上で乾燥させ、鋳造中に鋳込金属を用
いてセラミックに焙焼する特許請求の範囲第１項記載の
方法。 ９、キヤがキーがコールドボックス砂から生成したコア
から成る特許請求の範囲第１項記載の方法。 １０、 キャリヤーがクローニング砂から生成したコ
アかも□成る特許請求の範囲第１項記載、の方法。 ＩＬ キャリヤー達ホットボックス砂から生成したコ
アから成る特許請求の範囲第１項記載の方法。 ｌ キャリヤーが自硬性混合物から生成したコアから
成る特許請求の範囲第１項記載の方法。 １８、 キャリヤーがポリスチレンフオームから生成
したコアから成る特許請求の範囲第１項記載の方法。 １４ キャリヤーが僅かな分解性をもつ鋳物砂から生
成したコアから成る特許請求の範囲第１珀記載の方法。 １＆ キャリヤー表面を密封する特許請求の範囲第１項
記載の方法。 １ａ 粒状コーティング中のドロス対砂の組成割合を
その所望の厚さによって変える特許１％ｆ求の範囲第１
項記載の方法。 １７、 鋳込金属を、内側コーティングを用いて環状
部側を形成するように峙込む特許請求の範囲第１項記載
の方法。 １８、 環状部材が排気管である特許請求の範囲第１７
項記載の方法。 １９、 鋳込金属を、腐食抵抗物質を用いて金用−セ
ラミック鋳物を形成するように鋳込む特許請求の範囲第
１項記載の方法。 ２０、 鋳込金属を、破壊抵抗物質を用いて金属−セ
ラミック鋳物を形成するように鋳込む特許請求の範囲第
１項記載の方法。[Claims] 1. Coating a pyrolyzable carrier surface with a refractory dross, adding refractory sand to the dross coating to form a granular coating, drying the granular coating, and forming a cast metal. A composite metal-ceramic casting having a pyrolyzable carrier lined with V and lined by the cast metal consists of steps of casting the carrier key using the cast metal and providing a mechanical serration between the cast metal and the granular coating. Production method. 2. The method of claim 1, wherein the dross is thixotropic and refractory to temperatures of about 1400'C. & A method according to claim 2, wherein the dross is resistant to thermal shock. . 4 Claim 1 in which the refractory sand has different granulation
The method described in section. (5) The method according to claim 1, wherein the dross is applied by dip molding. The method according to claim 1, wherein the dross is applied by brushing. 7. The method according to claim 1, wherein the dross is applied by spraying. 8. The method of claim 1, wherein the granular coating is dried on a carrier at a temperature of about 200<0>C to about 800<0>C and roasted into a ceramic using cast metal during casting. 9. The method of claim 1, wherein the carrier and the key comprise a core produced from cold box sand. 10. The method of claim 1, wherein the carrier may be a core produced from cloning sand. 2. The method of claim 1, wherein the IL carrier comprises a core produced from hot box sand. 1. The method of claim 1, wherein the carrier comprises a core made of a self-hardening mixture. 18. The method of claim 1, wherein the carrier comprises a core made of polystyrene foam. 14. A method according to claim 1, wherein the carrier comprises a core made from slightly degradable foundry sand. 1 & A method according to claim 1 for sealing the carrier surface. 1a Patent 1%f range 1 for varying the composition ratio of dross to sand in the granular coating depending on its desired thickness
The method described in section. 17. The method of claim 1, wherein the cast metal is faced to form the annular side with an inner coating. 18. Claim 17, wherein the annular member is an exhaust pipe
The method described in section. 19. The method of claim 1, wherein the cast metal is cast to form a gold-ceramic casting using a corrosion resistant material. 20. The method of claim 1, wherein the cast metal is cast to form a metal-ceramic casting using a fracture resistant material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH6229/82A CH657791A5 (en) | 1982-10-26 | 1982-10-26 | PROCESS FOR MANUFACTURING A COMPOSITE BODY FROM METAL-CERAMIC COMPOSITE CASTING. |
| CH6229/824 | 1982-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5997753A true JPS5997753A (en) | 1984-06-05 |
Family
ID=4306293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58199341A Pending JPS5997753A (en) | 1982-10-26 | 1983-10-26 | Manufacture of composite metal-ceramic casting |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0108219B1 (en) |
| JP (1) | JPS5997753A (en) |
| AT (1) | ATE25211T1 (en) |
| BR (1) | BR8305845A (en) |
| CH (1) | CH657791A5 (en) |
| DD (1) | DD220779A5 (en) |
| DE (1) | DE3369475D1 (en) |
| ES (1) | ES526062A0 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3617456A1 (en) * | 1986-05-23 | 1987-12-03 | Vaw Ver Aluminium Werke Ag | METHOD AND DEVICE FOR THE FIXED CONNECTION OF CERAMIC MOLDED PARTS WITH METALS |
| DE102010006423A1 (en) | 2010-02-01 | 2011-08-04 | Schaeffler Technologies GmbH & Co. KG, 91074 | Rolling bearing has bearing ring having ceramic running surface and basic material differentiating itself and another bearing ring having another ceramic running surface, and rolling unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4860021A (en) * | 1971-11-30 | 1973-08-23 | ||
| JPS5238423A (en) * | 1975-08-27 | 1977-03-25 | Ford Motor Co | Manufacture of al casts |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3568723A (en) * | 1967-06-23 | 1971-03-09 | Du Pont | Metal-ceramic composite structures |
| FR2272966A1 (en) * | 1974-05-28 | 1975-12-26 | Toyota Motor Co Ltd | Thermally-insulating ceramic sleeves - cast into metal components for internal combustion engines to ensure combustion of exhaust gas |
| FR2431335A1 (en) * | 1978-07-21 | 1980-02-15 | Peugeot | Coating of internal cavities in castings - esp. to provide thermal insulation preventing the cooling of exhaust gas in cylinder heads on IC engines |
-
1982
- 1982-10-26 CH CH6229/82A patent/CH657791A5/en not_active IP Right Cessation
-
1983
- 1983-09-13 DE DE8383109026T patent/DE3369475D1/en not_active Expired
- 1983-09-13 EP EP83109026A patent/EP0108219B1/en not_active Expired
- 1983-09-13 AT AT83109026T patent/ATE25211T1/en not_active IP Right Cessation
- 1983-09-29 ES ES526062A patent/ES526062A0/en active Granted
- 1983-10-24 DD DD83255912A patent/DD220779A5/en not_active IP Right Cessation
- 1983-10-24 BR BR8305845A patent/BR8305845A/en unknown
- 1983-10-26 JP JP58199341A patent/JPS5997753A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4860021A (en) * | 1971-11-30 | 1973-08-23 | ||
| JPS5238423A (en) * | 1975-08-27 | 1977-03-25 | Ford Motor Co | Manufacture of al casts |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE25211T1 (en) | 1987-02-15 |
| CH657791A5 (en) | 1986-09-30 |
| BR8305845A (en) | 1984-05-29 |
| ES8406273A1 (en) | 1984-08-01 |
| EP0108219A1 (en) | 1984-05-16 |
| DE3369475D1 (en) | 1987-03-05 |
| EP0108219B1 (en) | 1987-01-28 |
| DD220779A5 (en) | 1985-04-10 |
| ES526062A0 (en) | 1984-08-01 |
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