Relevant bibliographies by topics / Ti2Ni

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Ti2Ni'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 February 2022

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Journal articles on the topic "Ti2Ni"

1

Xu, Xiao Jing, Xin Lin, Jing Chen, Fei He, and Wei Dong Huang. "Laser Rapid Forming of Ti-Ni Functionally Graded Alloy." Materials Science Forum 561-565 (October 2007): 227–30. http://dx.doi.org/10.4028/www.scientific.net/msf.561-565.227.

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Ti-Ni based functionally graded alloy is a kind of the promising material, which has potential to be used in aero engines. Using laser rapid forming, a Ti-Ni graded alloy with a continuous compositional gradient from pure Ti to Ti-50wt.%Ni were fabricated. On comparison with the graded alloy, a series of homogenous deposits with the typical composition between pure Ti to Ti-50wt.%Ni were also laser rapid formed. The phase evolution along the compositional gradient direction in the graded alloy is: α+β→β+Ti2Ni →(TiNi +Ti2Ni)+ TiNi; and the phase evolution in the corresponding compositional homogeneous deposit is: α+β→ β+(β+Ti2Ni)→ β+Ti2Ni+(β+Ti2Ni)→ (TiNi+Ti2Ni)+TiNi. The phase transformation and microstructural evolution along the compositional gradient were analyzed by using the microstructure selection map.
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WANG, ZHENXIA, HAIRUI WU, NAIMING LIN, XIAOHONG YAO, ZHIYONG HE, and XIAOPING LIU. "HIGH-TEMPERATURE TRIBOLOGICAL BEHAVIORS OF TiNi/Ti2Ni ALLOYED LAYER ON SURFACE OF Ti6Al4V ALLOY." Surface Review and Letters 24, no. 03 (2017): 1750028. http://dx.doi.org/10.1142/s0218625x17500287.

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Plasma surface alloying (PSA) technique was employed with nickel as incident ions to prepare the TiNi/Ti2Ni alloyed layer on surface of Ti6Al4V. High-temperature friction and wear performance of TiNi/Ti2Ni alloyed layer and the Ti6Al4V substrate were evaluated at 500[Formula: see text]C. The results indicated that the TiNi/Ti2Ni alloyed layer exhibited superior high-temperature wear performance. The variations of friction coefficient were the same rule but wear rate was lower compared to Ti6Al4V substrate. The wear mechanism of TiNi/Ti2Ni alloyed layer was mainly slight abrasion and the Ti6Al4V substrate showed abrasion and oxidation wear. The friction coefficient of the TiNi/Ti2Ni alloyed layer decreased from 0.90 to 0.50 with the increase of temperature from room temperature to 500[Formula: see text]C.
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Yang, Rui Song, Ming Tian Li, Xue Jun Cui, Chun Hai Liu, and Yong Zhong Jin. "The Martensitic Transformation Behavior of the TiNi in TiNi/Ti2Ni Composite Synthesized in Molten Salts." Advanced Materials Research 496 (March 2012): 370–73. http://dx.doi.org/10.4028/www.scientific.net/amr.496.370.

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In this paper the TiNi/Ti2Ni composite powders has been synthesized by the chemical reaction between titanium and nickel powders in high temperature molten salts. Results of the differential scanning calorimetry (DSC) confirmed the reverse martensitic transformation of the prepared TiNi powder in the TiNi/Ti2Ni composite powders. The backscatter electron images of the scanning microscopy (SEM) of the end-products before washing by distilled water showed that the synthesized TiNi/Ti2Ni composite particles were captured by the molten salts, which revealed the mechanism of the chemical reaction in molten salt.
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ZHANG, Z., and K. H. KUO. "QUASI-CRYSTALLINE TO CRYSTALLINE TRANSFORMATION IN (Ti1−xVx)2Ni ALLOYS." Modern Physics Letters B 01, no. 03 (1987): 89–96. http://dx.doi.org/10.1142/s0217984987000132.

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The transformation of quasicrystal in (Ti1−xVx)2Ni alloys, x=0.0–0.3, to the equilibrium Ti2Ni and TiNi phases on heating in-situ in an electron microscope has been studied. Twins occurred frequently in the fcc Ti2Ni across {111} planes and fivefold twins sometimes can be obtained. The electron diffraction patterns of fivefold twins and quasicrystal are similar but distinctly different. A parallel orientation relationship existed between the fcc Ti2Ni and the ordered bcc TiNi.
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Guedes, Anibal, Filomena Viana, Ana Maria Pires Pinto та Manuel F. Vieira. "Diffusion Brazing of a γ-TiAl Alloy Using Tini 67: Microstructural Evolution of the Interface". Materials Science Forum 587-588 (червень 2008): 425–29. http://dx.doi.org/10.4028/www.scientific.net/msf.587-588.425.

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A detail study focussing the microstructural evolution of the interfacial zone in the course of the processing of Ti-47Al-2Cr-2Nb joints using Tini 67 as filler alloy was carried out in this investigation. Experiments, aiming the understanding of the mechanisms that promote the melting of the braze alloy, were performed below the solidus temperature of the filler, at 750 and 900°C. Diffusion brazed samples were joined at 1000 and 1100°C, with no dwelling stage and subsequently quenched in water in order to frozen the microstructure formed at the bonding temperature. The interfaces were analysed by scanning electron microscopy (SEM) and by energy dispersive X-ray spectroscopy (EDS), respectively. In the course of the heating stage, several single phase layers were formed within the filler alloy due to the solid state interdiffusion of Ti and Ni atoms. At 900°C, the microstructure of the filler evolved form the initial Ti (α)/(Ni)/Ti/ (α) layers to a Ti (β)/Ti2Ni/TiNi/TiNi3/TiNi/Ti2Ni/Ti (β) layered microstructure. The filler alloy begun to melt due to the eutectic reaction between the contiguous layers composed of Ti (β) and Ti2Ni. After joining, the main phases detected at the interfaces were α2-Ti3Al, Ti-Ni-Al and Ti-Ni intermetallics. For joining at 1000°C, a substantial amount of residual filler (Ti2Ni and Ti (α) particles) was also detected at the central zone of the interface. No marked evidences of residual filler zones were noticed for joining at 1100°C; instead, a mixture α2-Ti3Al with Ti-Ni-Al or Ti2Ni intermetallics was detected at the centre of the interface.
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Li, Weiya, and Chunwang Zhao. "Microstructure and Phase Transformation Analysis of Ni50−xTi50Lax Shape Memory Alloys." Crystals 8, no. 9 (2018): 345. http://dx.doi.org/10.3390/cryst8090345.

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The microstructure and martensitic transformation behavior of Ni50−xTi50Lax (x = 0.1, 0.3, 0.5, 0.7) shape memory alloys were investigated experimentally. Results show that the microstructure of Ni50−xTi50Lax alloys consists of a near-equiatomic TiNi matrix, LaNi precipitates, and Ti2Ni precipitates. With increasing La content, the amounts of LaNi and Ti2Ni precipitates demonstrate an increasing tendency. The martensitic transformation start temperature increases gradually with increasing La content. The Ni content is mainly responsible for the change in martensite transformation behavior in Ni50−xTi50Lax alloys.
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Artyukhova, N. V., Yu F. Yasenchuk, K. V. Almaeva, A. S. Garin, V. A. Novikov, and V. E. Gunther. "Distinctive Features of the Phase Composition of Porous TiNi-based Alloys Obtained by Reaction and Diffusion Sintering." KnE Materials Science 2, no. 1 (2017): 52. http://dx.doi.org/10.18502/kms.v2i1.780.

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The present article is concerned with questions of reaction and diffusion sintering of porous shape-memory TiNi-based alloys. The comparative analysis of structural features of the porous alloys obtained by diffusion sintering of TiNi powder and reaction sintering of Ti and Ni powders was conducted. It is observed that the main feature of structure of the porous alloys is related to fraction of the TiNi phase which occupies about 90 vol.% at diffusion sintering, and 20÷50 % of the total volume of multiphase alloy for reaction sintering. The mechanisms of the structure formation on the solid phase and liquid phase sintering stages of these methods were considered. The role of Ti2Ni phase during sintering was disclosed. The Ti2Ni phase not only provides the necessary quality of sintering, activates recrystallization processes for diffusion sintering, modifies the phase composition of the sintered specimen for reaction sintering, but also participates in the formation of the TiNi phase, increasing its fraction.
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Kang, Xiao Yu, Yan Feng Li, Xiang Qian Yin, Hao Feng Xie, and Xu Jun Mi. "The Microstructure and Properties of Ti50Ni47Fe3 and Ti50Ni46.75Fe3Cr0.25 Shape Memory Alloy." Advanced Materials Research 631-632 (January 2013): 326–30. http://dx.doi.org/10.4028/www.scientific.net/amr.631-632.326.

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Comparing with Ti50Ni47Fe3alloys, the influences of Cr on the mechanical and shape memory properties of Ti50Ni47Fe3alloys are investigated by study on phase transformation and microstructure analysis. The results show that Ti50Ni47Fe3and Ti50Ni46.75Fe3Cr0.25shape memory alloys exhibit two-stage martensitic transformation. The transformation temperatures decrease with the addition of Cr. The microstructure of the Ti50Ni47Fe3and Ti50Ni46.75Fe3Cr0.25alloys consists of TiNi matrix, Ti2Ni phase. Fe element prefers to substitute for Ni in the matrix than black particles. Cr all substitute for Ni in the matrix and not be analyzed in the Ti2Ni phase. The mechanical property of Ti50Ni46.75Fe3Cr0.25alloy is better than Ti50Ni47Fe3alloy.
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Nagarajan, R., and K. Chattopadhyay. "Intermetallic Ti2Ni/TiNi nanocomposite by rapid solidification." Acta Metallurgica et Materialia 42, no. 3 (1994): 947–58. http://dx.doi.org/10.1016/0956-7151(94)90289-5.

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Stemmer, Susanne, Gerd Duscher, Christina Scheu, Arthur H. Heuer, and Manfred Rühle. "The reaction between a TiNi shape memory thin film and silicon." Journal of Materials Research 12, no. 7 (1997): 1734–40. http://dx.doi.org/10.1557/jmr.1997.0239.

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The reaction between shape-memory TiNi thin films and silicon has been characterized by conventional, analytical, and high-resolution transmission electron microscopy. A reaction layer is formed during the 525 °C post-deposition crystallization anneal of the sputter-deposited TiNi, and consists of several phases: Ti2Ni, a nickel silicide, and a ternary titanium nickel silicide. The mechanism for the interlayer formation is discussed.
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Dissertations / Theses on the topic "Ti2Ni"

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Thompson, Robert Peter. "Plastic deformation in complex crystal structures." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/286335.

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Many materials with complex crystal structures have attractive properties, including high specific strength, good creep resistance, oxidation resistance, often through high silicon or aluminium content. This makes them of interest for high temperature structural applications, but the use of many such phases is limited by low toughness. Even outside structural applications, brittle failure is a primary cause of failure in coatings and device materials and, therefore, improved toughness is desirable. In complex crystals plasticity, and hence toughness, is limited by the energy increases that occur as linear defects, dislocations, move. This is known as the lattice resistance. By understanding the factors controlling the lattice resistance in complex crystal structures, it is hoped that a general method for tailoring the flow stress of a material might be found. Present ductile-brittle criteria are based on simple ratios of polycrystalline elastic constants and are too limited to accurately capture flow behaviour. There are complex materials which, despite such criteria predicting brittle behaviour, exhibit low flow stresses, though on a limited number of slip systems: MAX phases, Mo$_2$BC, Nb$_2$Co$_7$ and Ta$_4$C$_{3-x}$ are examples of this. Where plastic flow is limited by the lattice resistance we must consider the effect of crystal structure on dislocation motion more directly. Aspects which are lost by considering bulk polycrystalline properties are elastic heterogeneity, elastic anisotropy and contributions to the energy changes by other interactions, such as electrostatic interactions. In this work examples of each of these are presented and modelled using an adapted version of the Peierls model. A Peierls model generalised to use the entire stiffness tensor has been implemented in Python; this allows the investigation of the effect of varying anisotropy on the yield stress of materials that would not be picked up by the use of polycrystalline elastic constants. Calculations using the changing elastic tensor during hydrogen loading of cementite suggest that hydrogen loading causes a dramatic reduction in the flow stress, consistent with experiments and associated with hydrogen embrittlement of steel. Materials for which empirical potentials can provide more insight than linear elasticity are explored with the example of ionic materials. This is done with a Peierls dislocation configuration and a molecular statics energy calculation. A simple model built electrostatic and Lennard-Jones interactions was used for the rocksalt structure, this model was found to describe the hard slip system well, but was insufficient to describe the softer slip system. Local heterogeneity in elastic properties is explored in the MAX phases where local variation in chemical environment, characterised by electronegativity, produces pronounced variation in the local stiffness within the unit cell. These local variations have been modelled with density functional theory and have been shown to be consistent with the macroscopic elastic properties while also explaining the apparent scatter in the elastic properties. These non-uniform strains are shown to have a dramatic effect on the flow stress of the MAX phases. The face-centred cubic Ti$_2$Ni structure has been used to experimentally demonstrate this effect of heterogeneity softening. The slip system was characterised by micropillar compression and the slip planes were found to be the {1 1 1} planes. The hardness of a range of alloys with the Ti$_2$Ni structure was characterised by nanoindentation of the {1 1 1} faces of single crystals. The hardness was found to decrease as the chemical, and thus elastic, heterogeneity of the unit cell increased, as expected. This effect of heterogeneity softening presents a potential route to tailoring the yield stress of crystals.
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Greif, Milena. "Tini Rupprecht." Diss., lmu, 2003. http://nbn-resolving.de/urn:nbn:de:bvb:19-16298.

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Yasar, Fatih. "Thermomechanical Characterization Of Ti Rich Tini Shape Memoryalloys." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/2/12607835/index.pdf.

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Titanium-nickel is a unique class of material known as Shape Memory Alloy (SMA). A thermoelastic martensitic phase transformation is responsible for its extraordinary properties such as shape memory effect and superelasticity. The near equiatomic Ti-Ni alloys are the commercially most exploited SMAs because of the unique combination of these properties and superior ductility, strength, fatigue resistance and corrosion resistance. The properties of Ti-Ni SMAs are very sensitive to composition and the processing parameters. The properties of Ti-Ni SMAs can be modified to a great extent by choice of composition, mechanical working and heat treatment. Thermo-mechanical treatments are required to strengthen the matrix and improve the shape memory characteristics. Plastic deformation and subsequent annealing is the common way to improve shape memory properties. In the present study, Ti- 50 at% Ni wire specimens are produced and used for the investigation of the effect of different heat treatment and cold working processes on shape memory characteristics. To investigate the thermomechanical behavior of differently processed wire specimens, a fully computerized servo hydraulic thermomechanical testing machine was designed and constructed. Testing machine was capable to perform different types of tests that are selected by the user. It can both heat and cool the specimen automatically according to the testing sequence by applying DC current directly through the SMA wire or by sending liquid nitrogen into the cooling chamber. Temperature is measured by a K-type thermocouple directly mounted on the wire specimen with a glass tape. Force that is applied to the specimen is produced by hydraulic power unit with a double action cyclinder and it is controlled by a controller which takes the feedback from the loadcell and LVDT (Linear Variable Distance Transducer). During performig thermomechanical-tests all the data of loadcell, LVDT and thermocouple are collected by a data acqusition system integrated with a host computer that operates the program XPC Target. Ti-Ni alloy with equiatomic composition is prepared in vacum induction furnace. Specimen cast in the form of rod was then hot swaged. Subsequent to swaging, cold wire drawing, intermediate annealing at 500 &amp<br>#61616<br>C and water quenching was applied to obtain SMA wire with a diameter of 1.52 mm. Ti-Ni wires produced were subjected to four different processes. All the samples were initially solution heat treated at 925 &amp<br>#61616<br>C for 30 minutes prior to water quenching. Some of the samples were further treated by an intermediate anneal at 500 &amp<br>#61616<br>C. To see the effect of cold working<br>prior to intermediate annealing, 20 % or 40 % cold work was applied to another group of specimens. To study the shape memory characteristics of specimens subjected to the above mentioned processes, four types of test, namely constant stress free recovery test, constant strain free recovery test, constant stress constrained recovery test and constant strain constrained recovery test, were designed and applied cyclically. The tests have shown that the stress plateau observed in the first cycle of the tests disappear upon cycling and the shape memory characteristics improve and stabilize with cycling. Once trained by cycling, fractional free recovery was observed to reach to 100 % and recovery stress to reach 120% of the applied stress if shape recovery is prevented.
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Tini, Apollinaire Botta Henri Motcho Henri. "La gestion des déchets solides ménagers à Niamey au Niger essai pour une stratégie de gestion durable /." Villeurbanne : Doc'INSA, 2004. http://docinsa.insa-lyon.fr/these/pont.php?id=tini.

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Suraneni, Sanhita. "Microwave Assisted Reactive Sintering of TiNi Shape Memory Alloy." University of Toledo / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1321628786.

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Lima, de Miranda Rodrigo [Verfasser]. "Fabrication of TiNi thin film stents / Rodrigo Lima de Miranda." Kiel : Universitätsbibliothek Kiel, 2009. http://d-nb.info/1019870745/34.

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Harms, Henning. "Mechanische Spannungen und Mikrostruktur dünner TiNi- und Ti50Ni50-xCux-Formgedächtnisschichten." [S.l.] : [s.n.], 2004. http://webdoc.sub.gwdg.de/diss/2004/harms/harms.pdf.

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Tsuchiya, Kazuyoshi. "Fabrication of TiNi shape memory alloy microactuators by ion beam sputter deposition." Thesis, University of Warwick, 1999. http://wrap.warwick.ac.uk/74315/.

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TiNi shape memory alloy has been recently investigated for use in micro actuators because of the high power to volume ratio. Conventional sputtering methods, such as RF and DC sputtering and magnetron sputtering, have previously been used by other workers in order to deposit TiNi thin films. As-deposited films produced by these methods are amorphous, and are then crystallised typically by annealing at 500°C for 1 hour in order to exhibit the shape memory effect. These deposition methods have invariably used alloyed targets to grow thin films. In this thesis, an Ion Beam Sputter Deposition (IBSD) method has been used by which argon ions are used to bombard nonalloyed targets. The thin films grown by this technique demonstrate the characteristics of the shape memory effect. Films have been characterised by electrical resistivity, resistance and thermal measurements, giving physical properties in excellent agreement with those quoted in the literature. Compositional and density measurements were done by X-ray reflectometry and were consistent with equi-atomic composition and nominal density for TiNi. In addition thermal modelling was used to investigate implications of heating and cooling rates for microactuator operation. Finally, a novel fabrication process is proposed, combining ion beam milling and Focused Ion Beam (FIB) trepanning for the process of micro actuator production.
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Haenschke, Titus Paul. "Degradation of TiNi-based shape memory alloys (SMAs) during thermo-mechanical cycling." Thesis, University of Birmingham, 2013. http://etheses.bham.ac.uk//id/eprint/4387/.

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This thesis is aimed at the identification of causes for the instability of Ti-49.8Ni and Ti-40.8Ni-9Cu (at.%)shape memory alloys during thermomechanical cycling. To assess the macroscopical and microstructural behaviour several techniques were employed. Thermo-mechanical tests (TMT) revealed that TiNi did not stabilise under the tested conditions. In contrast, TiNiCu showed a more stable behaviour. Whereas the maximum testing temperatures were found to be detrimental for the strain output in TiNi, none such influence could be found in TiNiCu. In TiNiCu increasing stresses seems to prevent the material stabilisation.During in-situ TMTs under high energy X-ray radiation in a synchrotron, microstructural factors influencing the stability of the material were assessed. No hint on a negative influence of remnant or intermediate phases and texture or variant selection was found. Instead increasingly negative strains build up in austenite possibly causing instabilities. In TiNiCu differences in the processing where found to cause changes in the phase transformation temperatures. These could be linked with differences in the chemical composition and in the level of inhomogeneity of precipitates.
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Yang, Shicai. "The structure and control of Ti2N phases produced by unbalanced magnetron sputtering." Thesis, Sheffield Hallam University, 1997. http://shura.shu.ac.uk/20583/.

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Physical vapour deposition (PVD) techniques used for the application of advanced surface engineering materials have been developed over many years, but only in about the last 10 years has the unbalanced magnetron sputtering (UBMS) PVD technique been developed and emerged as one of the most promising techniques for depositing reliable and high quality films used in industrial production. Hard coatings have been studied for many years for the purpose of improving the performance of various tools, mechanical parts, and engineering components. The most studied binary hard coatings (such as stoichiometric titanium nitrides and titanium carbides) and the ternary hard coating (such as titanium carbonitride) have been developed for wear resistance for many years. Although many investigations have been made into the production of coatings with stoichiometric phases, it is both scientifically and commercially interesting to investigate the production and reproducibility of the pure titanium sub-nitride Ti2N films. The first results in chapter 5 describe work carried out to investigate the effect of nitrogen and carbon concentration within the films and was a prelude to the main activity of the development of Ti2N films using commercial conditions. The work for Ti2N was carried out without substrate rotation in the UBMS coating process. The static deposition processes were studied to give a better understanding of the effect of partial pressures on the compositions of the Ti-N films. The phase development as a function of the composition of the films was investigated. The main contribution during this procedure was to achieve a suitable range of nitrogen partial pressure by which the films containing pure Ti2N phase were produced using a UBMS deposition technique. The nitrogen content of the film was very sensitive to variation in nitrogen partial pressure and the nitrogen concentration influenced the phases developed in the films. The reproducibility of the pure Ti2N phase was also discussed in this initial work. A series of extensive experiments were conducted to investigate the formation of Ti2N phase in the UBMS deposition processes using one to three fold rotations. The nitrogen partial pressure of the deposition process was basically determined from the results of the initial work. The effect of substrate rotation on the film composition during processing was studied. In general the film deposited using substrate rotation consisted of different composition using the same chamber condition in one process in which the nitrogen content of the coating increased from one fold rotation to three fold rotation. The film containing dominant eTi2N phase could be produced on a sample using three fold rotation in a process whilst the multiphase compositions (aTiN0.3 + eTi2N) were developed on the sample using the one and two fold rotations in the same process. Characteristics of the eTi2N films and the films containing multiphase compositions were investigated using transmission electron microscopy (TEM), scanning electron microscopy (SEM), glow discharge optical emission spectrometer (GDOES), X-ray diffraction (XRD), and a variety of mechanical testing instruments. The eTi2N films have very smooth surface, very dense and fine columnar structure, relatively high hardness, and excellent adhesion with the substrate. The drilling tests using coated high speed steel drills compared the coatings containing eTi2N phase with those containing a single TiN phase and showed excellent wear resistant results.6.
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Books on the topic "Ti2Ni"

1

Goswāmī, Aruṇa. Tini upanyāsa. Laẏārcha Buka Shṭala, 1994.

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Fishbeĭn, Moĭseĭ. Rozporosheni tini. Kal'varii︠a︡, 2001.

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Sena, Mr̥tyuñjaẏa. Tini chum̐le. Mahādiganta, 1993.

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Ryga, George. Tini stervʹi͡a︡tnykiv: Roman. Vyd-vo khudoz͡h︡nʹoï lit-ry "Dnipro", 1988.

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Shutsu, Mihaela. Nã carti ti tini--. Editura Cartea Aromãnã, 2002.

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Shutsu, Mihaela. Nã carti ti tini--. Editura Cartea Aromãnã, 2002.

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Dimarov, Anatoliĭ Andriĭovych. V tini Stalina: Povisti. Vyd-vo "Dnipro,", 1990.

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Tini Bigs big martinis. Documentary Media, 2005.

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Paradzhanov, Sergeĭ. Tini zabutykh predkiv: Rozkadrovky. Vydavnychyĭ dim Akademii͡a︡, 1998.

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Demsʹka-Budzuli︠a︡k, Lesi︠a︡. Misto v tini: Proza. Smoloskyp, 2000.

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Book chapters on the topic "Ti2Ni"

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Lan, Baobao, Wang Shihua, Yubin Xiao, Xionggang Lu, Guangyao Chen, and Chonghe Li. "Sintering Ability of Y-Doped BaZrO3 Refractory with Nano-CaCO3 and the Interaction with Ti2Ni Alloys." In Advances in Powder and Ceramic Materials Science. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-36552-3_14.

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Villars, P., K. Cenzual, J. Daams, et al. "Ti2Bi." In Structure Types. Part 10: Space Groups (140) I4/mcm – (136) P42/mnm. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19662-1_154.

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Villars, P., K. Cenzual, J. Daams, et al. "TiNi." In Structure Types. Part 9: Space Groups (148) R-3 - (141) I41/amd. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-02702-4_135.

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Villars, P., K. Cenzual, J. Daams, et al. "Ti2N δ′." In Structure Types. Part 9: Space Groups (148) R-3 - (141) I41/amd. Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-02702-4_500.

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Schäfer, Wilfried, and Svitlana Adamenko. "Kocjubyns'kyj, Mychajlo: Tini zabutych predkiv." In Kindlers Literatur Lexikon (KLL). J.B. Metzler, 2020. http://dx.doi.org/10.1007/978-3-476-05728-0_676-1.

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Zhiwei, Cheng, Meng Fanlong, Chen Guangyao, Li Zheng, Lu Xionggang, and Li Chonghe. "Interface Reaction Between Y2O3DOPED BaZrO3and TiNi Melt." In Characterization of Minerals, Metals, and Materials 2016. John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119263722.ch93.

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Esen, Ziya. "TiNi Reinforced Magnesium Composites by Powder Metallurgy." In Magnesium Technology 2011. John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118062029.ch86.

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Esen, Ziya. "TiNi Reinforced Magnesium Composites by Powder Metallurgy." In Magnesium Technology 2011. Springer International Publishing, 2011. http://dx.doi.org/10.1007/978-3-319-48223-1_86.

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Watanabe, Ryuzo. "Self Propagating Reaction Sintering of TiNi Alloy." In Sintering ’87. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-1373-8_87.

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Oshida, Yoshiki, and Farrokh Farzin-Nia. "Progressive Damage Assessment of TiNi Endodontic Files." In Shape Memory Implants. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59768-8_17.

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Conference papers on the topic "Ti2Ni"

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Wu, Guo–long, Min–jie Li, Jie Zhang, Ye Wang, and Jian–hua Yao. "Study on corrosion and wear behaviors of laser cladding TiC-TiBx/TiNi-Ti2Ni intermetallic composite coating." In ICALEO® 2016: 35th International Congress on Applications of Lasers & Electro-Optics. Laser Institute of America, 2016. http://dx.doi.org/10.2351/1.5118646.

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Wu, Guo–long, Min–jie Li, Jie Zhang, Ye Wang, and Jian–hua Yao. "Study on corrosion and wear behaviors of laser cladding TiC-TiBx/TiNi-Ti2Ni intermetallic composite coating." In ICALEO® 2016: 35th International Congress on Applications of Lasers & Electro-Optics. Laser Institute of America, 2016. http://dx.doi.org/10.2351/1.5118647.

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Chatterjee, Ratnamala, Amitabh Jain, K. P. Jain, D. Kanjilal, and G. K. Mehta. "High-energy ion irradiation effect on rapidly quenched Ti2Ni quasicrystals." In Ordering disorder: Prospect and retrospect in condensed matter physics. AIP, 1992. http://dx.doi.org/10.1063/1.44735.

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Hosni, Bilel, Chokri Khaldi, Sami Boussami, et al. "Electrochemical hydrogen storage properties of Ti2Ni alloy prepared by mechanical alloying." In 2014 5th International Renewable Energy Congress (IREC). IEEE, 2014. http://dx.doi.org/10.1109/irec.2014.6826978.

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Fu, Jin, Zhiheng Hu, Xu Song, and Mingwang Fu. "Effect of Hatch Angle Rotation on the Thermal and Mechanical Properties of Micro Selective Laser Melted NiTi Shape Memory Alloy." In ASME 2020 15th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/msec2020-8235.

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Abstract NiTi shape memory alloy (SMA) has been widely used for bio-medical and aerospace applications due to its unique properties, i.e. shape memory effect and pseudoelasticity. However, the high ductility and work-hardening effect of NiTi lead to poor machinability. Additive manufacturing (AM), with excellent capability of fabricating complicated structures, has been used to fabricate NiTi components. To meet the increasing demand of product miniaturization, micro selective laser melting (μSLM) system equipped with finer laser beam has been developed to improve manufacturing resolution. This work studies the fabrication of NiTi SMA parts by μSLM for the first time. The effect of hatch angle rotation on the thermal and mechanical behaviors of μSLMed NiTi is analyzed. Columnar grains accompanied with equiaxed grains are observed in μSLMed NiTi. Laser rotation angles of 45/60/90° lead to weak crystallographic texture. Ti-rich secondary phases including Ti2Ni/Ti4Ni2Ox and TiC1-xNx are detected in the raw NiTi powder and the as-printed NiTi parts, respectively. The as-printed parts under different hatch angles show similar phase constitution. The thermal-induced transformation behavior was depressed with absence of transformation peak. The variation of hatch angle cannot activate the transformation peak. Varying hatch angle from 45° to 90°, the compressive strength and ductility reduce, and the hardness increases. The depressed thermal-/stress-induced phase transformation of the μSLM NiTi can be attributed to the Ti-rich secondary phases, which cause variation of matrix Ni/Ti ratio and inhomogeneous microstructure.
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Harooni, Masoud, Morteza Shamanian, and Alireza Fadaei Tehrani. "Wear Behavior of TiNi and TiNi-TiC Clads Deposited by TIG Surfacing Process." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89204.

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This paper deals with the investigation of wear behavior of TiNi and TiNi-TiC clads applied to plain carbon steel by tungsten inert gas (TIG) surfacing process. In this regard, ball milled Ti-Ni and Ti-Ni-C powder mixtures were used as feedstock materials. The clad layers were investigated using X-ray diffractometery (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), hardness measurements and reciprocating wear tests. The results of microhardness measurements indicated that hardness values of TiNi-TiC composites were higher than those of TiNi by approximately 100HV. It was also shown that the wear behavior of TiNi-TiC clads was better than that of TiNi. Further investigations indicated that the dominant wear mechanisms in TiNi and TiNi-TiC clad layers were delamination and surface fatigue, respectively.
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Fayyad, Eman, Aboubakr Abdullah, Mohamed Hassan, et al. "Novel Electroless Deposited Corrosion – Resistant and Anti-Bacterial NiP–TiNi Nanocomposite Coatings." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0009.

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From acidic NiP electroless bath, the co-deposition of TiNi nanoparticles in the NiP matrix to form novel NiP-TiNi nanocomposite coatings (NCCs) on top of API X100 carbon steel using several concentrations of TiNi nanoparticles (0.2, 0.4 and 0.8 g L-1 in the bath) is successfully achieved. The influence of the TiNi nanoparticles on the composition, deposition rate, thickness, and morphology of the NiP coating are investigated before and after annealing at 400 oC. The addition of TiNi nanoparticles into the NiP matrix led to the transform of the amorphous structure of the as-plated NiP into a semi-crystalline one. The microhardness of the composite coating significantly enhances with increasing TiNi concentration up to 0.4 g L-1 and further improvement takes place after heat treatment. The electrochemical impedance spectroscopy (EIS) and the colony counting method are carried out to assess the corrosion protection and antibacterial properties, respectively, of the as-deposited and the annealed coatings. The results demonstrate that there is an optimum concentration for the addition of TiNi (0.4 g L-1), which offers the composite coating with the highest corrosion protection that reaches to about 98 %. Below and beyond this concentration as well as after heat treatment, the improvement in the corrosion protection of the composite coatings slightly decreases. Besides, the NiP–TiNi NCCs have effective antibacterial properties as it decreased the cell viability of Escherichia coli from 100 to 19%.
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Xu, Ya, Kazuhiro Otsuka, Nobuyuki Toyama, et al. "Fabrication of TiNi/CFRP smart composite using cold drawn TiNi wires." In SPIE's 9th Annual International Symposium on Smart Structures and Materials, edited by Christopher S. Lynch. SPIE, 2002. http://dx.doi.org/10.1117/12.475014.

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Bhavsar, Vaibhav N., Jyoti Shankar Jha, Ghanshyamsinh Jhala, Alphonsa Joseph, Sushil Mishra, and Asim Tewari. "Characterization of Ti-6Al-4V Alloy Modified by Plasma Nitriding Process." In ASME 2017 Gas Turbine India Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gtindia2017-4855.

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Titanium alloys are gaining widespread acceptance in aerospace industry because of its high specific strength, corrosion resistance and good fatigue properties. Dovetails of the compressor blades, gears, splines etc. are some aerospace components that fail through premature fatigue crack initiation and propagation under the action of wear, fatigue and fretting fatigue. The fretting failure originates from the surface or near surface and leads to the damage of the components. Therefore the surface of components can be modified to improve the tribological performance by plasma nitriding which improve the titanium alloy by forming layer of hard TiN and Ti2N phases on surface. Plasma nitriding of titanium alloys has several advantages over gas and liquid nitriding methods where the phase formation and the depth of nitriding can be controlled. In this study Ti-6Al-4V alloy is taken as surrogate material for gas turbine application and its surface is modified by plasma nitriding at three different temperatures 500, 700 and 800 °C with N2:H2 ratio of 4:1 at 5 mbar pressure for 5 hrs. It is observed from XRD that at 500 and 700 °C temperature, nucleation of ε-Ti2N and δ-TiN started and complete titanium nitride layer formed at 800 °C. Nucleation and growth mechanism was studied by surface and cross section SEM analysis. Nitride layer of around 0.5 μm with ε-Ti2N and around 2 μm thick of both ε-Ti2N and δ-TiN phases were formed at 700 and 800 °C respectively. It is observed that the surface roughness increases with increasing the temperature for plasma nitriding. Vickers microhardness (HV0.1) is observed to be increased from 393.7 HV to 1016.4 HV by plasma nitriding at 800 °C.
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Муслов, Сергей Александрович, and Владимир Александрович Андреев. "ANNOUNCEMENT OF THE BOOK MUSLOV S.A., SHELYAKOV A.V., ANDREEV V.A. “ALLOYS WITH SHAPE MEMORY: PROPERTIES, OBTAINING AND APPLICATION IN TECHNIQUE AND MEDICINE”." In Высокие технологии и инновации в науке: сборник избранных статей Международной научной конференции (Санкт-Петербург, Июль 2020). Crossref, 2020. http://dx.doi.org/10.37539/vt186.2020.84.51.006.

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Совокупность уникальных свойств термомеханической памяти формы (ПФ) и сверхэластичности (СЭ) соединений на основе никелида титана (TiNi), механизм и природа этих явлений до сих пор вызывает несомненный интерес у физиков и инженеров. Данное сообщение посвящено выходу в свет очередной книги, в которой изложены научные аспекты исследований и практического применения интерметаллидов никелида титана в различных аспектах сферы жизнедеятельности человека. The combination of unique properties of thermomechanical shape memory (SM) and superelasticity (SE) of compounds based on titanium nickelide (TiNi), the mechanism and nature of these phenomena are still of great interest to physicists and engineers. This message is dedicated to the publication of the book, which sets out the scientific aspects of research and the use of titanium nickelide intermetallic compounds in various aspects of human life.
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Reports on the topic "Ti2Ni"

1

Goo, E. Deformation twinning in ordered alloys transformation induced ductility in intermetallics. [TiNi; NiAl]. Office of Scientific and Technical Information (OSTI), 1992. http://dx.doi.org/10.2172/7082526.

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