TR201407630A2 - A coating system and method - Google Patents
A coating system and method Download PDFInfo
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- TR201407630A2 TR201407630A2 TR2014/07630A TR201407630A TR201407630A2 TR 201407630 A2 TR201407630 A2 TR 201407630A2 TR 2014/07630 A TR2014/07630 A TR 2014/07630A TR 201407630 A TR201407630 A TR 201407630A TR 201407630 A2 TR201407630 A2 TR 201407630A2
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- Prior art keywords
- coating
- top layer
- coated
- coating system
- exhaust
- Prior art date
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- 238000000576 coating method Methods 0.000 title claims abstract description 62
- 239000011248 coating agent Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000919 ceramic Substances 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
- 239000000567 combustion gas Substances 0.000 claims abstract description 6
- 239000000446 fuel Substances 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims abstract description 4
- 239000012720 thermal barrier coating Substances 0.000 claims abstract description 4
- 230000004888 barrier function Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 6
- 238000005238 degreasing Methods 0.000 claims description 5
- 238000007788 roughening Methods 0.000 claims description 5
- 238000005488 sandblasting Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 8
- 230000007613 environmental effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000004942 thermal barrier coating method Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- YNBADRVTZLEFNH-UHFFFAOYSA-N methyl nicotinate Chemical compound COC(=O)C1=CC=CN=C1 YNBADRVTZLEFNH-UHFFFAOYSA-N 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/18—After-treatment
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/129—Flame spraying
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
- F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
- F01L3/04—Coated valve members or valve-seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/04—Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2301/00—Using particular materials
- F01L2301/02—Using ceramic materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2303/00—Manufacturing of components used in valve arrangements
- F01L2303/01—Tools for producing, mounting or adjusting, e.g. some part of the distribution
Abstract
Description
TARIFNAME Teknik Alan Bu bulus, dizel motorlardaki parçalarinin yanmaya ve/veya yanma sonu gazlarina maruz kalan kisimlarinin isil bariyer görevi gören seramik bazli malzemeler ile kaplanmasi sonucu, yanma sonucu olusan faydali isinin çevre komponentlere ve sogutma sistemine geçisinin azaltilmasi, termal verim artisi saglanarak yakit tüketiminin iyilestirilmesi ve egzoz gazi sicakliklarinin arttirilmasi ile ilgilidir. Önceki Teknik Günümüzde çogunlukla türbin kanatlarinda uygulamasi yaygin olan kaplama teknigi asagida belirtildigi sekilde yapilmaktadir; - Kaplama uygulanacak yüzeyin kumlama vb islemler ile pürüzlendirilmesi, yag alma isleminin uygulanmasi. DESCRIPTION Technical Area This invention is related to the combustion and/or combustion gases of parts in diesel engines. with ceramic-based materials that act as a thermal barrier to the exposed parts. As a result of the coating, the useful heat generated as a result of combustion is transferred to the environmental components and Reducing the transition to the cooling system, increasing the thermal efficiency and fueling It is related to improving the consumption and increasing the exhaust gas temperatures. Prior Art Coating, which is widely used in turbine blades today technique is done as stated below; - Roughening the surface on which the coating will be applied, with processes such as sandblasting, applying the degreasing process.
- Bag katman tozunun alt katman olarak uygulamasi yapilarak ana malzeme ve seramik kaplama arasindaki mekanik tutunmayi güçlendirmek, isil genlesme katsayisindaki farkliliklari azaltmak, - Plazma sprey metodu ile isil bariyer katman görevindeki seramik tozunun bir tabanca yardimiyla yüksek hizda ve plazma kosullarinda püskürtülmesi. - The main material is applied by applying the bag layer powder as a substrate. to strengthen the mechanical adhesion between the ceramic coating and the thermal expansion reduce the differences in the coefficient, - With the plasma spray method, ceramic powder acting as a thermal barrier layer spraying at high speed and in plasma conditions with the aid of a gun.
Olusturulan yeni yüzey, bu haliyle kullanilmaktadir. The new surface created is used as it is.
Bahsi geçen uygulama, toz malzemenin termal sprey yöntemi ile kaplanmasi esasina dayanir. Elde edilen son yüzeyde hem toz malzemenin sahip oldugu düsük asinma direncinin, hem de isil bariyer kaplama ve isil yönetim uygulamalarinin esas gerekliligi olan bosluklu ve poroz iç yapinin sonucu olarak, elde edilen son yüzeyden parçacik ve/veya toz kopma riski bulunmaktadir. Dizel motorlarda yanma odasinda olusacak bu kirliligin egzost gazi araciligi ile turbosarjira gitmesi sonucunda büyük hasarlarin olusma riski mevcuttur. The mentioned application is the coating of powder material by thermal spray method. is based on. On the final surface obtained, both the powder material has low wear resistance, as well as thermal barrier coating and thermal management As a result of the hollow and porous internal structure, which is the main requirement of its applications, There is a risk of breaking particles and/or dust from the final surface obtained. Diesel This pollution, which will occur in the combustion chamber in engines, will be eliminated by means of exhaust gas. There is a risk of major damage as a result of going to the turbocharger.
Teknikte bilinen uygulamalardan JPSS453628(A) sayili Japon patent dokümaninda; motor elemaninin yüzeyinin lazer isinlari ile sertliginin arttirilmasindan ve asinma direncinin gelistirilmesinden bahsedilmektedir. Piston yayi, vana yatagi, valf, kam mili veya krank mili gibi motor elemanlarinin yüzeyleri lazer isin demeti ile isinlanmaktadir. Isinlanan kismin, sertlestirme, sirlama gibi yöntemlerle asinma direnci arttirilmaktadir. Japanese patent number JPSS453628(A) from applications known in the art in the document; the hardness of the surface of the engine element with laser beams. It is mentioned to increase it and to improve the wear resistance. Piston of engine components such as springs, valve seats, valves, camshafts or crankshafts. surfaces are irradiated with a laser beam. The irradiated part, hardening, Wear resistance is increased by methods such as glazing.
Teknikte bilinen uygulamalardan CN sayili Çin patent dokümaninda; motor elemanlarinin isil püskürtme yöntemi ile kaplanmasindan bahsedilmektedir. Iki zamanli dizel motorun segman yuvasi, püskürtme ile metal kaplanmaktadir. Metal kaplama segman oyugunun üst ve alt yüzeylerine (21, 22) uygulanmaktadir. Chinese patent number CN from applications known in the art in the document; from coating the engine elements with the heat spray method is mentioned. Ring seat of two-stroke diesel engine, metal with injection is covered. Metal-plated segments on the upper and lower surfaces of the groove (21, 22) is being implemented.
Teknikte bilinen uygulamalardan DE19956622(A1) sayili Alman patent dokümaninda, iki zamanli dizel motorlarin piston segmani (3) ve/veya pistonlarin ve/veya silindir gömleginin kaplanmasindan bahsedilmektedir. Kaplama malzemesi alüminyum bronzu olup temel malzeme olarak uygulanmaktadir. German patent number DE19956622(A1), one of the known applications in the art In the document, the piston ring (3) and/or pistons of two-stroke diesel engines and/or coating of the cylinder liner. Covering The material is aluminum bronze and is applied as the base material.
Kaplama malzemesi, motor parçalarina isil püskürtme metoduyla uygulanmaktadir. The coating material is applied to the engine parts by heat spraying method. is being implemented.
Bulusun Kisa Açiklamasi Bulusun amaci, tamamen pürüzsüz ve bosluksuz bir kaplama üst yüzeyinin elde edilmesini saglayan bir kaplama sistemi ve yöntemi gerçeklestirmektir. Brief Description of the Invention The object of the invention is to obtain a completely smooth and void-free coating surface. To realize a coating system and method that allows
Bulusun diger amaci, lazer sirlama uygulamasinin sonucu olarak üst yüzey düzgünlestirme isleminin çok ince bir et kalinliginda olmasi ve kaplamanin içyapisina ve isi] bariyer Özelligine zarar verilmeden gerçeklestirilmesini saglayan bir kaplama sistemi ve yöntemi gerçeklestirmektir. Another object of the invention is the surface surface as a result of laser glazing application. that the smoothing process is at a very thin wall thickness and the coating It ensures that it is carried out without damaging its internal structure and heat barrier feature. to realize a coating system and method.
Bulusun bir diger amaci, pürüzsüz yüzeyin elde edilmesi sonucunda kaplamanin asinma direnci arttirilmasini, yanma odasinin içinde toz ve/veya parçacik kopmasi riskinin ve bunun sonucu motor parçalarinda gerçeklesebilecek hasarlarin önüne geçilmesini saglayan bir kaplama sistemi ve yöntemi gerçeklestirmektir. Another object of the invention is to achieve the smooth surface of the coating. increased wear resistance, dust and/or particle breakage inside the combustion chamber prevent the risk of damage to the engine parts as a result. is to realize a coating system and method that allows
Bulusuii bir diger amaci, elde edilen bosluksuz ve pürüzsüz kaplama yüzeyi sayesinde yakit ve/Veya yag emiliminin engellenmesini saglayan bir kaplama sistemi ve yöntemi gerçeklestirmektir. Another aim of the invention is to obtain a void-free and smooth coating surface. A coating that prevents fuel and/or oil absorption. realizing the system and method.
Bulusun Ayrintili Açiklamasi Bu bulusun amacina ulasmak için gerçeklestirilen “Bir kaplama sistemi ve yöntemi” ekli sekillerde gösterilmis olup; bu sekillerden: Sekil 1 - Kaplama yapilacak yüzeylerin gösterildigi perspektif görünüstür. Detailed Description of the Invention To achieve the aim of this invention, “A coating system and method” is shown in the attached figures; of these sequences: Figure 1 - Perspective view showing the surfaces to be coated.
Sekil 2 - Kaplama sisteminin önden kesit görünüsüdür. Figure 2 - is the front section view of the coating system.
Sekil 3 - Kaplama yönteminin sematik görünüsüdür. Figure 3 - The schematic view of the coating method.
Sekillerdeki parçalar numaralandirilmis olup karsiliklari asagida verilmistir. 1. Kaplama sistemi Kaplama uygulanacak yüzey Bag katmani Üst katman Bulus konusu, dizel motorlarda silindir kafasi, egzoz /emme valileri, egzoz/emme portlari ve/veya pistonlarin yanma sonu gazlarina maruz kalan yüzeylerine uygulanan kaplama sistemi (1) en temel halinde, - en az bir kaplama uygulanacak yüzey (2), - kaplama maddesinin (2) üzerine uygulanan en az bir bag katmani (3), - bag katmani (3) üzerine uygulanan en az bir üst katman (4) içermektedir. The parts in the figures are numbered and their equivalents are given below. 1. Coating system Surface to be coated bag layer top layer The subject of the invention is the cylinder head, exhaust/intake governors, exhaust/intake in diesel engines. ports and/or surfaces of pistons exposed to end-of-combustion gases. applied coating system (1) in its most basic form, - the surface (2) to which at least one coating will be applied, - at least one layer of bond (3) applied on the coating material (2), - at least one top layer (4) applied on the bag layer (3).
Bulus konusu kaplama yöntemi (1), dizel motorlarda silindir kafasi, egzos /emme valfleri, egzoz/emme portlari ve/Veya pistonlarin yanma sonu gazlarina maruz kalan yüzeylerine uygulanmaktadir. The subject of the invention is the coating method (1), cylinder head, exhaust / intake in diesel engines. valves, exhaust/intake ports, and/or pistons exposed to end-of-combustion gases. applied to the remaining surfaces.
Kaplama yapilacak yüzey (2) üzerine uygulanan bag katman (3) sayesinde seramik bazli üst katmanin (4) yüzeye tutunmasinin kolaylastirilmaktadir. Thanks to the bond layer (3) applied on the surface (2) to be coated. the adhesion of the ceramic-based top layer (4) to the surface is facilitated.
Teknik sorun olarak tanimlanan isil bariyer kaplanmis malzemenin üst yüzeyinden kopan toz ve/veya parçacigin motor parçalarinda hasara yol açma riskinin önüne geçilmesi amaciyla, isil bariyer kaplama yönteminin (100) proses akisina lazer sirlama adimi eklenmistir. The upper part of the thermal barrier coated material, which is defined as a technical problem, damage to engine parts by dust and/or particles ejected from the surface In order to prevent the risk of thermal barrier coating method (100) A laser glazing step has been added to the flow.
Bulusun amacina ulasmak için gerçeklestirilen kaplama yöntemi (100), - kaplama uygulanacak yüzeyin (2) temizlenip isitilarak yag alma isleminin gerçeklestirilmesi (101), - kaplama uygulanacak yüzeye (2) kumlama islemi uygulanarak yüzey pürüzlendirilmesi, kaplamanin mekanik tutunmasi için kaplama uygulanacak yüzeyin (2) hazirlanmasi (102), - kumlanmis kaplama uygulanacak yüzey (2) üzerine belirli bir kalinlikta bag katmani (3) uygulanmasi (103), - termal sprey yöntemi ile seramik bazli toz üst katmanin (4) bag katman (3) üzerine uygulanmasi (104) adimlarini içermektedir. The coating method (100) carried out to achieve the object of the invention, - Degreasing process by cleaning and heating the surface (2) on which the coating will be applied realization (101) - the surface to be coated (2) is applied by sandblasting the surface. coating for roughening, mechanical adhesion of the coating preparation of the surface (2) to be applied (102), - a certain thickness on the surface (2) to which the sandblasted coating will be applied. applying the bond layer (3) (103), - bag layer (3) of ceramic-based powder top layer (4) by thermal spray method applying it on (104) steps.
Bir dizel motorun çalisma durumunda yanma süresince olusan yüksek silindir basinci, dinamik parçalarin hareketi ve valfin baga ile yüksek hizdaki temasinin sonucu olarak kaplama üst katmaninda (4) toz ve/veya parçacik kopma riski mevcuttur. In the operating state of a diesel engine, the high cylinder formed during combustion pressure, the movement of the dynamic parts and the high-speed contact of the valve with the trunk. risk of dust and/or particle rupture in the coating top layer (4) as a result available.
Bulus konusu kaplama yönteminde (100) elde edilen üst katman (4), isil bariyer kaplamalarin özelligi olan bosluklu içyapi ve kullanilan toz metalurji sebebiyle oldukça düsük asinma direncine sahiptir. The top layer (4) obtained in the coating method (100) which is the subject of the invention, is the thermal barrier. Due to the hollow interior structure and powder metallurgy used, which are the characteristics of the coatings. It has very low abrasion resistance.
Kaplanan üst katmandan (4) toz ve/Veya parçacik kopmasi sonucu motor parçalarinda görülebilecek potansiyel hasarlarin önüne geçilmesi amaciyla isil bariyer kaplama uygulanmis üst katman (4) lazer sirlama islemine tabi tutulmaktadir. As a result of dust and/or particles breaking from the coated top layer (4), the engine In order to prevent potential damage to parts of Barrier-coated top layer (4) subjected to laser glazing are held.
Buna göre, seramik bazli üst katman (4), bir lazer sistemi kullanilarak yüzeyden birkaç mikron et kalinliginca eritilmektedir. Eriyen yapi yeniden katilastiginda son derece yogun ve bosluksuz bir mikroyapi olusturmaktadir. Elde edilen üst katman (4) tamamen pürüzsüz, gözeneksiz ve kati bir yapiya sahiptir. Artan herhangi bir toz ve/Veya parçacik kopma riskinin önüne geçilmektedir. Buna göre, isil bariyer kaplama yöntemi (100) uygulanan bir dize] motorda, motorun çalisma sartlarinda yüksek silindir basinci ve mekanik temas nedeniyle kaplama yüzeyinden kopan parçaciklarin çevre komponentler ve özellikle turbosarjir kanatçiklarinda yol açacagi hasarlarin önüne geçilmektedir. Accordingly, the ceramic-based top layer (4) is removed from the surface using a laser system. It is melted to a few microns of wall thickness. When the melted structure solidifies again It creates an extremely dense and void-free microstructure. The resulting top layer (4) has a completely smooth, non-porous and solid structure. Growing any dust and/or particle breakage risk is prevented. According to this, In a string] engine applied with the thermal barrier coating method (100), the operation of the engine coating conditions due to high cylinder pressure and mechanical contact environmental components and especially turbocharger The damage to the fins is prevented.
Gelistirilen yeni teknikte isil bariyer kaplama uygulamasinin ardindan üst katmanin (4) lazer sirlama uygulamasi ile yeniden katilastirilmasi sonucunda tamamen pürüzsüz ve bosluksuz bir kaplama üst katmani (4) elde edilmektedir. In the new technique developed, after the thermal barrier coating application, the upper as a result of resolidification of the layer (4) by laser glazing a completely smooth and void-free coating top layer (4) is obtained.
Lazer sirlama uygulamasinin sonucu olarak üst katman (4) düzgünlestirme islemi çok ince bir et kalinliginda, kaplamanin içyapisina ve isi] bariyer özelligine zarar verilmeden gerçeklestirilmektedir. Top layer (4) smoothing as a result of laser glazing application in a very thin wall thickness, damage to the inner structure of the coating and the heat barrier property carried out without notice.
Elde edilen tamamen pürüzsüz üst katman (4) sonucunda kaplamanin asinma direnci arttirilip, yanma odasinin içinde toz ve/veya parçacik kopmasi riskinin ve bunun sonucu motor parçalarinda gerçeklesecek potansiyel hasarlarinin önüne geçilmektedir. Ayrica elde edilen bosluksuz ve pürüzsüz kaplama üst katmani (4) ile çalisma sartlarinda üst katmanin (4) yüzeyinden yakit ve/veya yag emilimi engellenmektedir. Wear of the coating as a result of the completely smooth top layer (4) obtained resistance is increased and the risk of dust and/or particles breaking inside the combustion chamber and This will prevent potential damage to engine parts as a result. is passed. In addition, the resulting gapless and smooth coating top layer (4) Fuel and/or oil absorption from the surface of the top layer (4) under operating conditions with is blocked.
Bulus konusu kaplama sistemi (1) ve yöntemi (100), dizel motorlarda silindir kafasi, egzoz / emme valfleri, egzoz i' emme portu ve/veya pistonlarin genellikle yanmaya ve/veya yanma sonu gazlarina maruz kalan kisimlarinin isil bariyer görevi gören seramik bazli malzemeler ile kaplanmasi sonucu, yanma sonucu olusan faydali isinin çevre komponentlere ve sogutma sistemine geçisinin azaltilmasi, termal verim artisi saglanarak yakit tükeminin iyilestirilmesi, egzost gazi sicakliklarinin arttirilmasi ile ilgilidir. Bulus konusu kaplama sistemi (1) ve yöntemi (100) ile, kaplama üst katmanina (4) uygulanan lazer sirlama islemi sonucu tamamen pürüzsüz ve asinma direnci yüksek üst katman (4) elde edilmesi, bu sayede potansiyel bir sorun olan kaplama uygulanacak yüzeyden (2) toz ve/veya parçacik asinmasi ve kopmasinin, bunun sonucu olarak özellikle turbosarjir gibi parçalarda olusabilecek motor hasarlarinin önüne geçilmektedir. The coating system (1) and method (100) which are the subject of the invention are used in diesel engines. head, exhaust/intake valves, exhaust i' intake port and/or pistons thermal barrier of parts exposed to combustion and/or combustion gases As a result of combustion, as a result of coating with ceramic-based materials that act as The transfer of the useful heat generated to the environmental components and the cooling system reduction, improvement of fuel consumption by increasing thermal efficiency, related to increasing gas temperatures. The subject of the invention is the coating system (1) and The laser glazing process applied to the top layer (4) of the coating with the method (100) The result is a completely smooth top layer (4) with high abrasion resistance, in this way, dust is removed from the surface (2), which is a potential problem. and/or particle wear and tear as a result, particularly Engine damage that may occur in parts such as the turbocharger is prevented.
Kaplama uygulanacak yüzeyin (2) temizlenip isitilarak yag alma isleminin gerçeklestirilmesi (101) Kaplama uygulanacak yüzeye (2) kumlama islemi uygulanarak yüzey pürüzlendirilmesi, kaplamanin mekanik tutunmasi için kaplama uygulanacak yüzeyin (2) hazirlanmasi Kumlanmis kaplama uygulanacak yüzey (2) üzerine belirli bir kalinlikta bag katmani (3) uygulanmasi Termal sprey yöntemi ile seramik bazli toz üst katmanin (4) bag katman (3) üzerine uygulanmasi Kaplama uygulanacak yüzeyin (2) temizlenip isitilarak yag alma isleminin gerçeklestirilmesi (101) Kaplama uygulanacak yüzeye (2) kumlama islemi uygulanarak yüzey pürüzlendirilmesi, kaplamanin mekanik tutunmasi için kaplama uygulanacak yüzeyin (2) hazirlanmasi Kumlanmis kaplama uygulanacak yüzey (2) üzerine belirli bir kalinlikta bag katmani (3) uygulanmasi Termal sprey yöntemi ile seramik bazli toz üst katmanin (4) bag katman (3) üzerine uygulanmasi Degreasing by cleaning and heating the surface (2) on which the coating will be applied execution (101) Sandblasting is applied to the surface to be coated (2). The coating will be applied for roughening, mechanical adhesion of the coating. preparation of the surface (2) On the surface (2) to which the sandblasted coating will be applied, a certain Applying a thick bond layer (3) With the thermal spray method, the ceramic-based powder top layer (4) is applied to the bag layer (3). application on Degreasing by cleaning and heating the surface (2) on which the coating will be applied execution (101) Sandblasting is applied to the surface to be coated (2). The coating will be applied for roughening, mechanical adhesion of the coating. preparation of the surface (2) On the surface (2) to which the sandblasted coating will be applied, a certain Applying a thick bond layer (3) With the thermal spray method, the ceramic-based powder top layer (4) is applied to the bag layer (3). application on
Claims (6)
- A coating system (1), Which is applied to the surfaces of the diesel engines” cylinder head, exhaust/intake valves, exhaust/intake ports and/or pistons that are exposed to combustion gases, basically comprising at least one surface (2) on which coating will be applied, at least one bond layer (3) applied onto the surface to be coated (2), and characterized by at least one top layer (4) which is applied onto the bond layer (3).
- A coating system (1) according to Claim l, characterized by the top layer (4), on which thermal barrier coating is applied and which is subjected to laser glazing process in order to prevent potential damages that might occur in the engine members as a result of detachment of powder and/or particles from it.
- A coating system (1) according to Claim 1 or Claim 2, characterized by the ceramic based top layer (4) which is melted by a few microns of wall thickness from the surface by using a laser system.
- A coating system (1) according to any one of the preceding claims, characterized by the coating top layer (4), wherein fuel or oil absorption through the surface of it is prevented during operation thanks to its nonporous and smooth form.
- A coating system (1) according to any one of the preceding claims, characterized by the top layer (4), whose smoothening process is performed at a very thin wall thickness Without damaging the inner structure and the thermal barrier feature of the coating as a result of the laser glazing application.
- 6. A coating method (100), which is used to obtained a coating system defined in any one of the preceding claims, characterized by - cleaning and heating the surface to be coated (2) and degreasing (101), - roughening the surface to be coated (2) by sand blasting, preparing the surface to be coated (2) for mechanical bonding of the coating (102), - applying a bond layer (3) of a certain thickness onto the sand blasted surface to be coated (2) (103), - applying the ceramic based powder top layer (4) on the bond layer (3) via thermal spray method (104).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TR2014/07630A TR201407630A2 (en) | 2014-06-30 | 2014-06-30 | A coating system and method |
| PCT/TR2015/000268 WO2016003378A1 (en) | 2014-06-30 | 2015-06-26 | A coating system and method |
| EP15770981.7A EP3161177A1 (en) | 2014-06-30 | 2015-06-26 | A coating system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TR2014/07630A TR201407630A2 (en) | 2014-06-30 | 2014-06-30 | A coating system and method |
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| Publication Number | Publication Date |
|---|---|
| TR201407630A2 true TR201407630A2 (en) | 2016-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TR2014/07630A TR201407630A2 (en) | 2014-06-30 | 2014-06-30 | A coating system and method |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3161177A1 (en) |
| TR (1) | TR201407630A2 (en) |
| WO (1) | WO2016003378A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB202207827D0 (en) * | 2022-05-27 | 2022-07-13 | Rolls Royce Plc | Method of forming protective coating and coated article comprising protective coating |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5453628A (en) | 1977-10-06 | 1979-04-27 | Toshiba Corp | Engine member |
| DE19956622A1 (en) | 1999-10-29 | 2000-05-25 | Man B & W Diesel As | Machine component, especially a piston ring, piston and/or cylinder liner of a large two-stroke diesel engine, is produced by thermally spraying an aluminum bronze-containing composite coating onto a sliding surface region |
| CN101270970B (en) | 2008-05-05 | 2010-06-23 | 力帆实业(集团)股份有限公司 | Motorcycle frame assembly checking tool |
| US20100055479A1 (en) * | 2008-08-29 | 2010-03-04 | Caterpillar Inc. | Coating for a combustion chamber defining component |
-
2014
- 2014-06-30 TR TR2014/07630A patent/TR201407630A2/en unknown
-
2015
- 2015-06-26 EP EP15770981.7A patent/EP3161177A1/en not_active Withdrawn
- 2015-06-26 WO PCT/TR2015/000268 patent/WO2016003378A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016003378A1 (en) | 2016-01-07 |
| EP3161177A1 (en) | 2017-05-03 |
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