Relevant bibliographies by topics / Two-layer coating Al2O3/TiN

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  2. Dissertations / Theses
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Academic literature on the topic 'Two-layer coating Al2O3/TiN'

Author: Grafiati
Published: 28 May 2022
Last updated: 31 July 2025

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Journal articles on the topic "Two-layer coating Al2O3/TiN"

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Zhu, Lijuan, Chun Feng, Shenglong Zhu, Fuhui Wang, Juntao Yuan, and Peng Wang. "Comparison of CrN, AlN and TiN Diffusion Barriers on the Interdiffusion and Oxidation Behaviors of Ni+CrAlYSiN Nanocomposite Coatings." Crystals 11, no. 11 (2021): 1333. http://dx.doi.org/10.3390/cryst11111333.

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CrN, AlN, TiN layer were prepared as diffusion barriers between the K417 substrate and Ni+CrAlYSiN nano composite coatings via vacuum arc evaporation. Oxidation kinetics and microstructure evaluation of these nano coating systems at 1000 °C after 100 h were studied. Results show that the AlN layer showed good thermodynamic stability, effectively inhibited the interdiffusion between the coating and the substrate, improved the oxidation resistance of Ni+CrAlYSiN nano composite coatings, and a single-layer Al2O3 film was formed on the coating. The CrN layer was decomposed, which did not block the
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Major, Łukasz, and Jerzy Morgiel. "TEM Analysis of Wear of Ti/TiN Multi-Layer Coating in Ball-on-Disc Test." Key Engineering Materials 409 (March 2009): 123–27. http://dx.doi.org/10.4028/www.scientific.net/kem.409.123.

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The wear mechanisms of Ti/TiN eight layered coatings ( =250nm) were investigated with ball-on-disc test. The coatings were obtained by hybrid pulsed laser deposition (PLD) technique. The wear test was done using Al2O3 ball-on-disc test at 1N/2000 cycles. Thin foils for TEM observations were cut from wear track using a Quanta 200 3D FIB (Focus Ion Beam) equipped with an Omniprobe lift-up system. The microstructure investigations were performed with the TECNAI G2 SuperTWIN FEG (200kV) transmission electron microscope. At the start of the wear the load applied to Al2O3 ball resulted in pushing-i
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Deng, Jiedong, Feng Jiang, Xuming Zha, et al. "Impact Resistance of CVD Multi-Coatings with Designed Layers." Coatings 13, no. 5 (2023): 815. http://dx.doi.org/10.3390/coatings13050815.

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Coated cutting tools are widely used in the manufacturing industry due to their excellent properties of high heat resistance, high hardness, and low friction. However, the milling process is a dynamic process, so the coatings of milling tools suffer severe cyclic impact loads. Impact resistance is important for the life of milling tools. Multi-coatings with different layer thickness may influence their impact resistance, but few studies focus on this topic. In this study, CVD coating with a structure of TiN layer, Al2O3 layer, and TiCN layer was selected as the research objective. Four differe
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Kuang, Hai, Dunqiang Tan, Wen He, Zhiqiang Yi, Zhihang Zou, and Xiaoru Wang. "Oxidation Behavior of Multilayer Hard Coatings (TiCN/Al2O3/TiN) in Process of Recycling Coated Multicomponent Hardmetal Scrap." Materials 11, no. 10 (2018): 1796. http://dx.doi.org/10.3390/ma11101796.

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The coating is one of the biggest problems in the recycling of coated multicomponent hardmetal scraps. The isothermal oxidation behavior of WC-Co multicomponent cemented carbide inserts with a TiCN/Al2O3/TiN hard coating in the recycling process was investigated. The oxidation rate slowed down as the protective coating blocked element diffusion. A rapid oxidation rate was obtained when they were milled into powders and isothermally oxidized at 900 °C. A rapid path for element diffusion was provided by the defects, which were promoted by stress, expansion, and gas volatilization. Both the TiN a
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Chupong, Pudsadee, Mahathep Sukpat, and Karuna Tuchinda. "Characterization and Sliding Wear Behavior of Low-Pressure Cold-Spray Al-Al2O3 and Al-Al2O3/TiN Composite Coatings." Metals 15, no. 1 (2025): 51. https://doi.org/10.3390/met15010051.

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Low-pressure cold-spray (LPCS) aluminum is widely used for coating depositions in various engineering applications but is limited by its low hardness and poor wear resistance. To improve these properties, ceramic particles are added to form metallic matrix composites (MMCs). High-pressure processes can achieve effective MMC coatings but are costly and energy intensive. LPCS has been studied to develop an Al-based MMC at a lower cost. To ensure the adaptation of developed LPCS coating in engineering applications, the behavior of the coating under certain loads needs to be established. This stud
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Yoon, Chulsoo, Tae Woo Kim, Osung Seo, and Shinhoo Kang. "Active Metal Brazing for Reliable Ceramic Joints Using TiN Coating." Journal of Materials Research 17, no. 1 (2002): 246–52. http://dx.doi.org/10.1557/jmr.2002.0034.

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To improve the strength of brazed joints, a TiN-coated layer was introduced as an interlayer and reaction barrier for ceramic-ceramic joints. Al2O3, Si3N4, and ZrO2 ceramics were brazed with a Ag–Cu–In–Ti alloy after a TiN coating was applied on the ceramic substrates. The strength of as-brazed and thermally treated Al2O3 specimens with a TiN coating was found to be equivalent to that of bulk Al2O3. However, the Si3N4 and ZrO2 systems showed a significant reduction in joint strength. The difference in the strength can be explained on the basis of the bond strength of the coating, the reaction
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Osmond, Luke, Ian Cook, and Tom Slatter. "Tribological Properties of Multilayer CVD Coatings Deposited on SiAlON Ceramic Milling Inserts." Journal of Manufacturing and Materials Processing 7, no. 2 (2023): 67. http://dx.doi.org/10.3390/jmmp7020067.

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This work characterises the structure and mechanical properties, such as adhesion, of two different chemical vapour deposition (CVD) coatings deposited onto silicon aluminium oxynitride (Si3N4 + Al2O3 + Y2O3) round (RNGN) milling cutter tooling inserts. These inserts are often known by the trade abbreviation “SiAlON”. Wear was produced on the inserts using unidirectional sliding (pin-on-disc type) and scratch testing. Two coatings were investigated: a multilayer CVD coating (Coating A) with a composition of TiN + TiCN + Al2O3 and a bilayer coating (Coating B) with a composition of Al2O3 + TiN.
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Alghamdi, Abdulaziz S., K. S. Abdel Halim, Mohammed A. Amin, Abdullah S. Alshammari, Naglaa Fathy, and Mohamed Ramadan. "Interfacial Microstructure and Corrosion Behaviour of Mild Steel Coated with Alumina Nanoparticles Doped Tin Composite via Direct Tinning Route." Coatings 11, no. 11 (2021): 1318. http://dx.doi.org/10.3390/coatings11111318.

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The improvement of the surface properties of ferrous metallic materials has become a crucial criterion for advanced engineering applications. The interfacial microstructure and corrosion behaviour of mild steel coated with alumina nanoparticles doped in tin composite using the direct tinning technique were investigated. A coating layer of tin composite containing different loads of Al2O3 nanoparticles (0.25 wt.%, 0.50 wt.%, 1.00 wt.% and 1.5 wt.%) was prepared and directly deposited on a mild steel substrate. This type of a direct tinning process is considered to be a simple and low-cost route
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Britchi, Mirela, Niculae Ene, Mircea Olteanu, and Constantin Radovici. "Titanium diffusion coatings on austenitic steel obtained by the pack cementation method." Journal of the Serbian Chemical Society 74, no. 2 (2009): 203–12. http://dx.doi.org/10.2298/jsc0902203b.

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The surface of specimens made of 316L austenitic steel was modified by titanium diffusion. The diffusion coatings were obtained by packing in a powder mixture consisting of titanium powder, NH4Cl and Al2O3 powder. The procedure required high temperatures, over 900 ?C, and long durations. Atomic titanium was formed in the muffle during the process. Titanium atoms from the metallic part surfaces diffuse towards the interior and a diffusion layer is formed as a function of the steel composition. Titanium diffusion into the surface of 316L austenitic steel determines the formation of a complex coa
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Pandey, Kshitij, and Saurav Datta. "Dry Machining of Inconel 825 Superalloys." International Journal of Manufacturing, Materials, and Mechanical Engineering 11, no. 4 (2021): 26–39. http://dx.doi.org/10.4018/ijmmme.2021100102.

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The present work investigates application feasibility of PVD TiN/TiCN/TiN coated cermet and CVD Al2O3/TiCN coated SiAlON for dry machining of Inconel 825 superalloy. Machining performance is interpreted through cutting force magnitude, tool-tip temperature, and mechanisms of tool wear. Results are compared to that of CVD multi-layer TiN/TiCN/Al2O3/TiN coated WC-Co tool. It is evidenced that SiAlON tool generates lower cutting force but experiences higher tool-tip temperature than other two counterparts. Apart from abrasion and adhesion, carbide tool witnesses coating peeling and ploughing. In
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Dissertations / Theses on the topic "Two-layer coating Al2O3/TiN"

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Кульментьєва, Ольга Петрівна, Ольга Петровна Кульментьева, Olha Petrivna Kulmentieva та М. М. Ахмед. "Свойства двухслойного покрытия Al2O3/TiN после обработки электронным пучком". Thesis, Издательство СумГУ, 2008. http://essuir.sumdu.edu.ua/handle/123456789/4397.

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В настоящей работе изучены механические свойства двухслойного покрытия Al2O3/TiN. Покрытие из Al2O3 было получено плазменно-детонационным методом на подложке из стали 3 [1]. Вторым слоем служило покрытие из нитрида титана, полученное вакуумно-дуговым методом на установке Булат-3Т.. Двухслойное покрытие подвергалось обработке сильноточным электронным пучком на установке У-212. Расфокусированный электронный пучок перемещался по подложке с покрытием. При остановке пучка его ток составлял 25 и 35 мА. После обработки пластина с двухслойным покрытием разрезалась электроискровым методом на фр
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Book chapters on the topic "Two-layer coating Al2O3/TiN"

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Deshpande-Purohit, Pritee, Shashikant Vagge, and Bhavana Shrigadi. "Cyclic Oxidation of Combined LTA/YSZ and Alumina Thermal Spray Coatings." In Advanced Surface Coating Techniques for Modern Industrial Applications. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-4870-7.ch003.

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Thermal barrier coatings protect the substrate from thermal diffusion, oxidation, phase transformations, elastic deformation, plastic deformation, creep deformation, thermal expansion, thermal radiation. It allows parts and components of gas turbines to withstand high temperature upto1650 °C. Cylic oxidation behavior of alumina incorporated, lanthanum titanium aluminum oxide (LaTi2Al9O19), and yttria stabilized zirconia (YSZ), that is LTA/YSZ top ceramic layer coating, was investigated. Two coating combinations, L 100 having top LTA layer thickness of 100 µm and L 150 having top layer of LTA h
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Conference papers on the topic "Two-layer coating Al2O3/TiN"

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Yoshioka, T., H. Kawai, and A. Nakamura. "Ceramic Coating for Inner Surface of Short Tubings by Plasma CVD." In CORROSION 1993. NACE International, 1993. https://doi.org/10.5006/c1993-93031.

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Abstract Fundamental studies on the thin film deposition of ceramics were carried out for the inner surface of short tubings in order to get high corrosion and erosion resistance. Inner surface of short tubings was coated by multilayer of Al2O3/TiN/TiC by plasma CVD. Conventional evaluation tests were carried out regarding to their erosion and corrosion resistance. In order to remove the pinholes in the deposited films, the surface roughness of base material was improved by polishing and metal Cr layer was plated.
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Szeghalmi, Adriana, Jinsong Liu, Martin Miculka, and Sven Schröder. "Form-Birefringence in SiO2/TiO2/Al2O3 Heterostructures." In Optical Interference Coatings. Optica Publishing Group, 2025. https://doi.org/10.1364/oic.2025.mb.3.

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Atomically thin heterostructures deposited by atomic layer deposition show strong form-birefringence as determined by ellipsometry close to theoretical values. The form-birefringence depends on the period of the heterostructures indicating partial intermixing of the constituent layers.
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Kobayashi, A. "Formation of TiN-Al2O3-ZrO2 Composite Coatings by Gas Tunnel Type Plasma Spraying." In ITSC2005, edited by E. Lugscheider. Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH, 2005. http://dx.doi.org/10.31399/asm.cp.itsc2005p0929.

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Abstract High performance Thermal Barrier Coating (TBC) has been expected for use under extream conditions in advanced industrial fields. A high performance of zirconia (ZrO2) composit coating was achieved by gas tunnel type plasma spraying. The zirconia-alumina (ZrO2-Al2O3) composite coating has a high hardness layer at the surface side of the coating, which shows the graded functionality of hardness, and is expected to use as a Thermal Barrier Coating (TBC). TiN thick coatings which has excellent properties have also been formed at high deposition rate by means of the gas tunnel type plasma
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Grzesik, Wit, and Piotr Nieslony. "A Model for the Tribo-Contact and Heat Distribution When Turning With Coated Carbide Inserts." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0697.

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Abstract The orthogonal machining process when end turning medium carbon and austenitic stainless steels with cemented WC-Co tools coated with single-layer (TiC), two-layer (TiC/TiN), and three-layer (TiC/Al2O3/TiN) hard thin films was investigated. Extensive experimental investigations including the thermal, mechanical and tribological responses of the tribo-contact between the coating-substrate system and the chip, under different cutting conditions, were carried out. The study sheds light on the cutting forces, the interface temperatures and the tribo-contact conditions, including the fxict
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Park, Kyung-Hee, and Patrick Y. Kwon. "Tool Wear Analysis on Multi-Layered Coated Carbide Tools in Face Milling of AISI 1045 Steel." In ASME 2010 International Manufacturing Science and Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/msec2010-34066.

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Face milling tests on AISI 1045 steel were performed to study the flank wear of multilayered coated carbide tools. The cutting tools were dual (TiN/TiAlN) and triple (TiN/Al2O3/TiCN) layered, coated carbide inserts processed by PVD and CVD respectively. As expected, the depth of cut (DOC) did not play an important role on the development of flank wear while the cutting speed had a significant role in the development of flank wear. Using confocal laser scanning microscopy (CLSM) and wavelet transform, the flank wear evolution was analyzed and abrasive wear was found to be a dominant tool wear m
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Seong, B. G., S. Y. Hwang, and J. M. Park. "Sialon Coating from Sintered Mixtures of Silicon Nitride and Oxides." In ITSC2003, edited by Basil R. Marple and Christian Moreau. ASM International, 2003. http://dx.doi.org/10.31399/asm.cp.itsc2003p0719.

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Abstract Silicon nitride and sialons are very attractive materials for thermal spaying, but the high temperatures of spray processes lead to their decomposition instead of melting. Therefore, the use of these materials as protective coatings has been very restricted. Nevertheless, researchers have tried to provide silicon nitride-based coatings using metallic or oxide binders. Oxide binder additions to silicon nitride have been quite successful. In this paper, mixtures of silicon nitride and oxides were prepared for the thermal spraying of silicon nitride-based materials by using a detonation
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Barr, J., C. Estrada, J. Harrison, and B. White. "Influence of Welding HAZ Stresses on Adhesion Strength of APS Ceramic Coatings." In ITSC 2014, edited by R. S. Lima, A. Agarwal, M. M. Hyland, et al. DVS Media GmbH, 2014. http://dx.doi.org/10.31399/asm.cp.itsc2014p0053.

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Abstract The purpose of this study is to determine if a GTAW (TIG) repair weld under an APS ceramic coating would cause a reduction in adhesion strength. Two stainless steels and a titanium alloy were selected for the study. For each material, 300 buttons were machined and further processed in groups of 50 through the application of one-pass, three-pass, or full pad welds. Welded buttons were lapped parallel to within 0.0002 in. and their lengths were compared with measurements obtained from buttons that had not been welded. NiCrMo bond coats were applied by HVOF spraying to both welded and un
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Tawancy, H. M., and Luai M. Al-Hadhrami. "Role of Platinum in Thermal Barrier Coatings Used in Gas Turbine Blade Applications." In ASME Turbo Expo 2009: Power for Land, Sea, and Air. ASMEDC, 2009. http://dx.doi.org/10.1115/gt2009-59153.

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Current technology of thermal barrier coating systems used in gas turbine blade applications relies upon the use of a metallic bond coat, which has a two-fold function: i) it develops a thin layer of aluminum oxide enhancing the adhesion of the ceramic top coat, and ii) it provides an additional resistance to oxidation. It was the objective of this study to develop an understanding of the role of platinum in bond coats of the diffusion-type deposited on a nickel-base superalloy. Two Pt-containing bond coats were included in the study: i) a platinum-aluminide and ii) a bond coat formed by inter
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Taya, M., J. K. Lee, and T. Mori. "Dislocation Punching in Functionally-Graded Materials." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0473.

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Abstract A new dislocation punching model for a functionally graded material (FGM) subjected to a temperature change has been proposed, using Eshelby’s model. FGM, consisting of several layers, is deposited on a ceramic substrate. Two types of microstructures are examined for a layer: one consists of a metal matrix and ceramic particles and the other of a ceramic matrix and metal particles. An elastic energy is evaluated when plastic strain, in addition to thermal mismatch strain, is introduced in the metal phase. The work dissipated by the plastic deformation is also calculated. From the cond
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Liu, Dawei, Tong Zhou, Yan Wang, and Jinping Suo. "Design, Optimization and Performance Testing of Self-Healing Tritium Permeation Barriers." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-30678.

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Tritium permeation barriers (TPBs) are essential to reduce the tritium permeation through blanket structural materials and cooling tubes. The pores and cracks are the most important problem of thermally sprayed TPBs. Irradiation swelling is another serious problem in NiAl which used as adhesive layer in traditional Al2O3 coatings. A self-healing coating TiC+mixture (TiC/Al2O3)+Al2O3 without NiAl had been designed and manufactured by our group. It can cure 90% porosity after a certain heat treatment under normal atmosphere. The adhesive strength is as good as the traditional coating NiAl+Al2O3.
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