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Artykuły w czasopismach na temat „Structural Properties of Bronze Powder”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Ilyushchanka, A. Ph, A. V. Leshok, A. I. Letsko, and T. I. Pinchuk. "Study of the influence of ultra disperse powder additives of the NiAl/Al<sub>2</sub>O<sub>3</sub> system on the tribotechnical properties of the frictional material based on copper." Doklady of the National Academy of Sciences of Belarus 66, no. 1 (2022): 113–21. http://dx.doi.org/10.29235/1561-8323-2022-66-1-113-121.

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The results on the impact of additives on the ultra-fine composite powder system, obtained by MASVS on the tribotechnical properties of friction material based on tin bronze with 12 % of tin are presented. It is shown that the powder additive in the range of 0.5–2.5 % increased the dynamic friction coefficient from 0.040 to 0.051. The introduction of a 1.5 % composite powder reduced the surface roughness of the counter body from 2.9 to 0.9 μm. The change in the tribotechnical properties is due to the structural changes in tin bronze, the additive particles, the surface layer of the friction ma

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Dorofeyev, V. Yu, E. N. Bessarabov, A. N. Sviridova, I. V. Ivanova, L. I. Svistun, and R. A. Vodolazhenko. "Structure and properties of hot-forged powder steel–bronze bimetal with SiC additives." Powder Metallurgy аnd Functional Coatings 18, no. 3 (2024): 16–27. http://dx.doi.org/10.17073/1997-308x-2024-3-16-27.

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One of the main problems in the production of bimetals is associated with the difference in the physico-mechanical and structural properties of the materials being joined. Both solid-phase and liquid-phase methods are used to obtain bimetals. The main technological task is to create conditions for the formation of a transition zone between the working layer and adhesively bound substrate. We analyzed the known methods for producing compact and powder bimetals (insert molding, diffusion welding in the solid phase, infiltration, hot isostatic pressing, etc.). The bonding strength of bimetal laye

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3

Feraru (Ilie), Mihaela, Simona-Nicoleta Mazurchevici, Nicoleta-Monica Lohan, Marcelin Benchea, Fabian Cezar Lupu, and Dumitru Nedelcu. "Tribological and Structural Properties of Copper-Coated 3D-Printed Parts from Biodegradable Polymers." Micromachines 16, no. 1 (2025): 100. https://doi.org/10.3390/mi16010100.

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This manuscript highlights the behavior of biodegradable polymers (PLA and HD PLA Green) coated with two distinct bronze alloy powders, Metco 51F-NS (Cu 9.5Al 1.2Fe) and Metco 445 (Cu 9.5Al). The coating was realized on printed samples by using the Atmospheric Plasma Spray (APS) technique. The current investigation will explain the results related to the surface quality, micro-structure, morphology, and thermal and tribological properties. Thus, from a structural point of view, the most uniform deposition was obtained in the case of composite powder Metco 51F-NS. The thermal behavior of the sa

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4

Padovezzi, Raphael Oliveira, Wagner Garcia Trindade, Gualtier Andersen Marques, et al. "Effects of the Additive Manufacturing Process on the Mechanical and Structural Properties of Bronze Alloys: a Review." Revista de Gestão e Secretariado 16, no. 7 (2025): e5057. https://doi.org/10.7769/gesec.v16i7.5057.

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Additive manufacturing (AM) has emerged as a promising technology for producing metallic alloys with complex geometries and optimized properties, especially in the fabrication of bronze alloys. This literature review presents a comprehensive analysis of the effects of AM on the mechanical, microstructural, and functional properties of Cu-Sn, Cu-Al, and Cu-Ni-Al bronze alloys processed via WAAM, EBAM, SLM, CMTAM, and CSAM techniques. It discusses aspects such as microstructural evolution, intermetallic phase formation, hardness, tensile strength, wear, corrosion, and comparisons with convention

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Whittle, Thomas, and Siegbert Schmid. "Diffraction Studies of Tungsten Bronze Type Relaxor Ferroelectrics." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C78. http://dx.doi.org/10.1107/s2053273314099215.

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Ferroelectric materials are essential for modern electronic applications, from consumer electronics to sophisticated technical instruments. Relaxor ferroelectric materials provide the advantage of high dielectric constants over broad temperature ranges not seen in traditional ferroelectrics. Tungsten bronze type compounds have been shown to display a variety of industrially relevant optical and electronic properties amongst others. There is a fundamental relationship between the physical properties displayed by ferroelectrics and the crystal structures in which they form. Of particular interes

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Ada, Hakan, Emine Türkmen, Yavuz Kaplan, Elif Özçatalbaş, Ender Şatir, and Sinan Aksöz. "An examination of microstructure, microhardness and tribological properties of ceramic reinforced bronze matrix composite materials." Science of Sintering, no. 00 (2023): 42. http://dx.doi.org/10.2298/sos230414042a.

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In order to obtain better mechanical properties in a bronze alloy, it is important to produce new materials by adding reinforcements and to offer these materials to the industry. In this study, bronze matrix (Cu10Sn) materials were reinforced with boron carbide (B4C) and silicon carbide (SiC) ceramic materials by using the mechanical alloying method. New composite materials were produced by powder metallurgy method by adding ceramic reinforcement (B4C and SiC) at 1, 2, 4 and 8 weight ratios to Cu10Sn alloy, which is the main matrix material. The obtained composite materials examined in terms o

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7

Shalunov, Evgeny, Sergey Shalunov, and Yulia Vladimirova. "Analysis of operating conditions of heavy-loaded and heat-stressed friction units of powerful internal combustion engines and development of copper nanocomposite powder materials for them." MATEC Web of Conferences 298 (2019): 00101. http://dx.doi.org/10.1051/matecconf/201929800101.

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The article provides analysis of operating conditions for the «valve – valve guide» heavy-loaded and heat-stressed friction unit of the gas distribution mechanism of powerful internal combustion engines and establishes requirements to materials for valve guides. It describes nanoc omposite materials based on copper powder with aluminum, carbon, iron and oxygen additives developed by the authors of the present article. The reactionary mechanical alloying method and powder metallurgy technologies in use made it possible to develop materials having a dispersion-strengthened structure with nano-di

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Kulchin, Yuriy Nikolaevich, Nikolay Gennadievich Galkin, Evgenii P. Subbotin, Vasiliy M. Dolgorook, and Dmitrii S. Yatsko. "On the Principles of the Additive Technology Implementation of Composite Magnetic Coating’s Formation on Non-Magnetic Substrates by Laser Welding of Micro Powders." Solid State Phenomena 245 (October 2015): 230–37. http://dx.doi.org/10.4028/www.scientific.net/ssp.245.230.

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The article discusses the formation of coatings with magnetic properties on non-magnetic substrates by the method of additive technology of metal powders using high power pulsed laser radiation. An instrumental base for the development of methods for creating local magnetic zones of a given configuration has been described. Approaches to create methods of additive welding of solid solution magnetic zones on the basis of micro-powders of metal alloys have been developed. The coatings with soft magnetic properties on the basis of powders of bronze and iron-containing "Inconel" alloy on non-magne

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9

BARYLSKI, Adrian, Krzysztof ANIOŁEK, and Sławomir KAPTACZ. "SCLEROMETRIC AND TRIBOLOGICAL PROPERTIES OF POLYTETRAFLUOROETHYLENE WITH 40% BRONZE CONTENT FORMED BY ELECTRON BEAM IRRADIATION." Tribologia 285, no. 3 (2019): 13–17. http://dx.doi.org/10.5604/01.3001.0013.5429.

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The paper focuses on the improvement of sclerometric and tribological properties of polytetrafluoroethylene (PTFE) with 40% bronze content implied by irradiation with an electron beam of 10 MeV and a power of 10 kW, in a dose of 26–156 kGy. The results of the study confirm that radiation modification of the PTFE-bronze composite causes structural changes induced by breaking of bonds in long PTFE chains and the branching of the polymer structure. As a result, an increase in such properties as the wear resistance ratio, Wβ, is observed. In addition, sclerometric tests have shown that, with an in

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Egorov, M. S., V. N. Pustovoit, G. G. Tsordanidi, and R. V. Egorova. "Manufacturing Technology of Sliding Bearings from Ferro-Graphite Compositions." Safety of Technogenic and Natural System, no. 3 (August 17, 2022): 60–67. http://dx.doi.org/10.23947/2541-9129-2022-3-60-67.

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Introduction. The development of modern technology imposes increasingly stringent requirements on materials operating under conditions of high pressures, speeds, deformations and aggressive media. The use of powder metallurgy methods in the creation of new materials makes it possible to provide a rational combination of production technology, structural and performance characteristics. Powder steels used in mechanical engineering are of great interest among the materials obtained by powder metallurgy. The article explores the possibility of manufacturing porous bearings made of iron powder for

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11

Birleanu, Corina, Bere Paul, Razvan Udroiu, Mircea Cioaza, and Marius Pustan. "Impact of CuSn10 Powder on Mechanical Properties and Tribological Performance of Novel Basalt Fiber-Reinforced Hybrid Composites." Polymers 17, no. 9 (2025): 1161. https://doi.org/10.3390/polym17091161.

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Hybrid composite materials reinforced with both fibers and particulate fillers are increasingly used in engineering due to their favorable balance of mechanical strength, reduced weight, and enhanced tribological performance. This study investigated the effect of CuSn10 bronze powder additions (5%, 10%, and 15% by weight) on the mechanical and tribological properties of novel basalt fiber-reinforced polymer (BFRP) composites. The composites were fabricated via vacuum-assisted processing and tested under dry sliding conditions with varying loads (10, 20, and 30 N) and sliding speeds (0.1, 0.25,

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12

Feldshtein, E., P. Kiełek, T. Kiełek, L. Dyachkova, and A. Letsko. "On Some Mechanical Properties and Wear Behavior of Sintered Bronze Based Composites Reinforced with Some Aluminides Microadditives." International Journal of Applied Mechanics and Engineering 22, no. 2 (2017): 293–302. http://dx.doi.org/10.1515/ijame-2017-0017.

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AbstractIn the paper, the changes in some mechanical properties and wear behavior of CuSn10 sintered bronze and MMCs based on this bronze reinforced with composite ultrafine aluminide powders FeAl/15 % Al2O3, NiAl/15 % Al2O3and Ti-46Al-8Cr are described. It was observed that the presence of aluminides in the MMCs leads to an increase in the hardness, but the flexural strength may increase or decrease depending on the type of aluminide. The presence of aluminides in the MMC reduces the wear rate considerably. It is decreased in the direction of FeAl/15 % Al2O3→ NiAl/15 % Al2O3→ Ti-46Al-8Cr alum

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13

Ondar, Aigul A., Dina V. Dudina, Tatiana F. Grigoreva, et al. "Cu-10 wt.% Al Alloys Produced by Spark Plasma Sintering of Powder Blends and a Mechanically Alloyed Mixture: A Comparative Investigation." Powders 2, no. 3 (2023): 515–24. http://dx.doi.org/10.3390/powders2030032.

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Cu–Al bronzes are interesting metallic materials, demonstrating higher hardness, higher wear resistance, higher corrosion resistance and a lower friction coefficient as compared with unalloyed copper. The powder metallurgy approach to the fabrication of these alloys presents opportunities to tailor their phase composition and grain size. In the present work, the structural characteristics, phase composition and properties of Cu-10 wt.% Al alloys obtained by spark plasma sintering (SPS) of powder blends and a powder obtained by mechanical alloying (based on Cu(Al) solid solution) are reported.

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S, Jyothilakshmi, Krishnan Subramanyan, Yun-Sung Lee, and Akshay Manohar V. "Scalable Synthesis of Bulk TiO₂ Hybrids and Its Li-Storage Properties in “Rocking-Chair” Type Full-Cell Assembly with LiNi_0.5Mn_1.5O₄ Cathode." ECS Meeting Abstracts MA2024-01, no. 5 (2024): 708. http://dx.doi.org/10.1149/ma2024-015708mtgabs.

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TiO2 as an anode material in lithium-ion batteries (LIB) has abolished hurdles like irreversibility, cycling stability, rate capability, and energy density, which are vital for electrochemical performance. Conventionally, time-consuming and complex techniques like solvothermal methods are employed to synthesize TiO2. We herein open a new avenue towards a simple, scalable, and eco-friendly synthesis of bulk TiO2 anatase/bronze hybrids from sodium meta-titanate through a facile mechano-chemical and ion-exchange process under different temperature conditions (400, 450, and 500 °C). Structural and

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15

Li, Jianwei, Ningyun Hong, Ningjing Luo, et al. "In-situ electrochemical modification of pre-intercalated vanadium bronze cathodes for aqueous zinc-ion batteries." Science China Materials 65, no. 5 (2022): 1165–75. http://dx.doi.org/10.1007/s40843-021-1893-2.

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AbstractVanadium bronzes have been well-demonstrated as promising cathode materials for aqueous zinc-ion batteries. However, conventional single-ion pre-intercalated V2O5 nearly reached its energy/power ceiling due to the nature of micro/electronic structures and unfavourable phase transition during Zn2+ storage processes. Here, a simple and universal in-situ anodic oxidation method of quasi-layered CaV4O9 in a tailored electrolyte was developed to introduce dual ions (Ca2+ and Zn2+) into bilayer δ-V2O5 frameworks forming crystallographic ultra-thin vanadium bronzes, Ca0.12Zn0.12V2O5·nH2O. The

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Vahedi Nemani, Alireza, Mahya Ghaffari, Kazem Sabet Bokati, Nima Valizade, Elham Afshari, and Ali Nasiri. "Advancements in Additive Manufacturing for Copper-Based Alloys and Composites: A Comprehensive Review." Journal of Manufacturing and Materials Processing 8, no. 2 (2024): 54. http://dx.doi.org/10.3390/jmmp8020054.

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Copper-based materials have long been used for their outstanding thermal and electrical conductivities in various applications, such as heat exchangers, induction heat coils, cooling channels, radiators, and electronic connectors. The development of advanced copper alloys has broadened their utilization to include structural applications in harsh service conditions found in industries like oil and gas, marine, power plants, and water treatment, where good corrosion resistance and a combination of high strength, wear, and fatigue tolerance are critical. These advanced multi-component structures

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Nagendran, Supreeth, and Clare P. Grey. "Low Temperature Niobium Tungsten Oxides as Anodes for Fast Charging Li-Ion Batteries." ECS Meeting Abstracts MA2023-01, no. 2 (2023): 474. http://dx.doi.org/10.1149/ma2023-012474mtgabs.

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The development of fast-charging Li-ion batteries is one of the important steps in building electric vehicles that need high power and fast charging. The reduction in the particle size to the nanometre length scale drastically improves the charging rate by increasing the surface area but lowers the volumetric energy density and can potentially result in more rapid degradation of the electrolyte via electrode-catalysed reactions. Recent reports show that niobium tungsten oxides (NbWOs) with µm sized particles serve as good anode materials for Li-ion batteries having high volumetric capacity wit

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Pandu, Ratnakar. "CrFe 2O4 - BiFeO3 Perovskite Multiferroic Nanocomposites – A Review." Material Science Research India 11, no. 2 (2014): 128–45. http://dx.doi.org/10.13005/msri/110206.

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Though semiconductor technology has advanced significantly in miniaturization and processor speed the “ideal” nonvolatile memory - memory that retains information even when the power goes is still elusive. There is a large demand for non-volatile memories with the popularity of portable electronic devices like cell phones and note books. Semiconductor memories like SRAMs and DRAMs are available but, such memories are volatile. After the advent of ferroelectricity many materials with crystal structures of Perovskite, pyrochlore and tungsten bronze have been derived and studied for the applicati

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Chifor, Victoria, Radu Liviu Orban, Zafer Tekiner, and Mehmet Turker. "Mechanical, Thermal and Electrical Properties of Acrilonitril Butadiene Styrene (ABS) Composites Filled with Bronze Powder." Materials Science Forum 672 (January 2011): 179–82. http://dx.doi.org/10.4028/www.scientific.net/msf.672.179.

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This article reports on an experimental study of the mechanical, thermal and electrical properties of bronze-ABS composites containing 5, 10, 20, 30 vol.% of bronze powder. The mechanical properties such as ultimate tensile strength, elongation at fracture, modulus of elasticity, melt flow rate (MFR), hardness, thermal conductivity, electrical conductivity of bronze powder filler embedded in a ABS matrix were experimentally investigated. Thermal and electrical conductivity measurements were performed up to a filler concentration of 30 vol.%. The tensile strength, elongation, MFR values continu

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Auechalitanukul, Chiraporn, Ryan C. McCuiston, Benjawan Bunlangsup, Chanattha Naikorn, and Sudachuan Tapanaun. "Properties of Sintered Bronze-Graphite Containing Natural Anhydrite." Key Engineering Materials 751 (August 2017): 19–24. http://dx.doi.org/10.4028/www.scientific.net/kem.751.19.

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This study examined the effect of natural anhydrite (CaSO4) powder additions on the microstructure and frictional properties of a 95 Bronze - 5 Graphite composite prepared by a powder metallurgy process. Natural anhydrite powder, ranging in content from 2 to 8 weight percent, was added to a premixed bronze powder composed of copper and tin and mixed, before the graphite was added. The powder mixture was compacted into disc shaped samples under a pressure of 500 MPa. The compacted samples were sintered at 750 °C for 30 minute in a reducing atmosphere. The green and sintered densities of the sam

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Jiang, Yu Dong, Xiao Lan Cai, and Kai Jun Wang. "Effects of Ball Mill Additives on Properties of Bronze Powder." Applied Mechanics and Materials 71-78 (July 2011): 3539–42. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.3539.

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Bronze powders were prepared using high-energy ball mill method. Effects of different additives on particle size and its distribution, gloss, water coverage and oxidation resistance of powders were discussed. The results shows that aluminum stearate has a great impact to sheet formation of bronze powder. Hexadecanoic acid has a great influence on the gloss and water surface covering. Polyvinyl alcohol(PVA) has a marked effect to improve oxidation resistance of the bronze powders.

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Kulikov, S. A., and F. I. Rudnickij. "Influence of cobalt on the properties of casting alloys." Litiyo i Metallurgiya (FOUNDRY PRODUCTION AND METALLURGY), no. 4 (January 10, 2025): 17–24. https://doi.org/10.21122/1683-6065-2024-4-17-24.

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The results of a study of the effect of modification with cobalt powder on the mechanical properties of high‑strength nodular cast iron and tin‑lead bronze are presented. It has been shown that when cobalt powder is introduced up to 0.1 %, it is evenly distributed in the metal matrix. Increasing the amount of the introduced additive revealed that cobalt is predominantly concentrated in the areas that crystallize last. The introduction of cobalt made it possible to increase the tensile strength of high‑strength cast iron and the relative elongation of bronze. The introduction of cobalt powder d

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Nakrod, Narut, Ryan C. McCuiston, and Chiraporn Auechalitanukul. "Effect of Compaction Pressure and Sintering Time on the Properties of Sintered Cu-10Sn Bronze." Key Engineering Materials 751 (August 2017): 37–41. http://dx.doi.org/10.4028/www.scientific.net/kem.751.37.

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Bronze-based composite materials are well known for use as friction materials. They are produced by powder metallurgy techniques from bronze powder, which acts as a matrix, and various friction modifying additives. The objective of this work was to study the effect of compaction pressure and sintering time on the properties of the unmodified bronze matrix. The bronze powder used was prealloyed with a composition of Cu-10Sn. The specimens were pressed by uniaxial die compaction with pressures of 282 to 339 MPa. The sintering experiments were conducted in an alumina tube furnace at 800 °C with s

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Pantulap, Usanee, Chiraporn Auechalitanukul, and Ryan C. McCuiston. "The Effect of Bottom Ash Additions on the Properties of Sintered Bronze-Graphite Composites." Key Engineering Materials 751 (August 2017): 31–36. http://dx.doi.org/10.4028/www.scientific.net/kem.751.31.

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The aim of this research was to study the effect of bottom ash additions to a bronze-graphite composite on the sintering behavior, as well as on the resultant physical, mechanical and tribological properties. The composites were produced by a powder metallurgy technique from prealloyed Cu-10Sn bronze powder, graphite powder and milled bottom ash powder. The compositions studied were Cu-10Sn bronze with constant 5 wt.% graphite, and 0-20 wt.% bottom ash. Samples were die compacted under 795 MPa and sintered at 850 oC for 30 minutes in an open atmosphere furnace. It was found that the sintered d

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Bikberdina, Narkiza Yamaletdinovna, Marina Petrovna Boronenko, Pavel Yur'evich Gulyaev, and Ruslan Danilovich Yunusov. "ELECTROPHYSICAL PROPERTIES OF OXIDE BRONZE NAXWO3." Yugra State University Bulletin 13, no. 3 (2017): 7–11. http://dx.doi.org/10.17816/byusu20171337-11.

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Experimentally determined regularities of the formation of the electrophysical properties of nanoparti- cles of oxide bronzes. Samples of oxide bronzes were obtained by self-propagating high-temperature synthe- sis. Then the samples were subjected to mechanical crushing. Measured conductivity of the samples during heating. Created a special measurement cell for powder materials. Created automated experimental stand. On the experimental test bench conducted a comparative assessment of effective energy of activation of pro- cesses of deintercalation of alkali metal ions in the powders.

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Pelevin, Ivan A., Maxim A. Burmistrov, Dmitriy Yu Ozherelkov, et al. "Laser Powder Bed Fusion of Chromium Bronze Using Recycled Powder." Materials 14, no. 13 (2021): 3644. http://dx.doi.org/10.3390/ma14133644.

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Laser powder bed fusion (LPBF) of Cu-0.5Cr was carried out using recycled powder taken out from the LPBF machine after previous printing. Various volumetric defects characterized the powder wherein particle size distribution was the same as virgin powder. Using recycled powder resulted in extra spherical pore formation after the LPBF process. Despite that, a relative density of 99.2% was achieved by LPBF parameters optimization. Solidified microstructure with a small volume of defects consisted of an oversaturated dendritic Cu matrix and nano-sized Cr precipitations providing strengthening mec

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Luzan, Sergii, and Vyacheslav Bantkovskiy. "Increasing the anti-friction properties of the surfaces of machine parts through plasma spraying of powder coating PG-19M-01 instead of cast bronze bushing." Bulletin of the National Technical University «KhPI». Series: Automobile and Tractor Construction, no. 1 (October 16, 2023): 47–54. http://dx.doi.org/10.20998/2078-6840.2023.1.05.

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The anti-friction properties of the plasma-sprayed powder coating based on copper PG-19M-01, proposed instead of the cast bronze sleeve made of 05Ts5S5 bronze, used in the coupling of the drive shaft and gear of the T-155 transfer case pumps, were proposed and investigated in the paper. X-ray phase analysis of plasma coatings from PG-19M-01 powder showed that the main phase in the coatings is a solid solution of aluminum in copper. X-ray microspectral analysis established that the composition of the coating is heterogeneous in thickness. The results of the conducted research and field tests sh

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Zorzi, Janete E., Cintia L. G. de Amorim, Raquel Milani, Carlos A. Figueroa, J. A. H. da Jornada, and Claudio A. Perottoni. "Ball milling-induced pyrochlore-to-tungsten bronze phase transition in RbNbWO6." Journal of Materials Research 24, no. 6 (2009): 2035–41. http://dx.doi.org/10.1557/jmr.2009.0247.

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A set of Bragg peaks consistent with a hexagonal Bravais lattice was observed in the x-ray powder diffraction pattern of cubic pyrochlore rubidium tungstoniobate (RbNbWO6) subjected to high-energy ball milling. The calculated lattice parameters for this hexagonal phase are similar to those of compounds with tungsten bronze structure. In fact, the powder pattern of the hexagonal phase could be refined with a structural model based on the tungsten bronze structure. The hexagonal phase produced by high-energy ball milling of RbNbWO6 transforms back to the pyrochlore structure upon heating to 773

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Ma, Hongqiang, Kun Lin, Laijun Liu, et al. "Structure and electrical properties of tetragonal tungsten bronze Ba2CeFeNb4O15." RSC Advances 5, no. 94 (2015): 76957–62. http://dx.doi.org/10.1039/c5ra16115k.

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The crystal structure and electrical property of a tetragonal tungsten bronze ceramic, BaCeFeNb<sub>4</sub>O<sub>15</sub>, were investigated by synchrotron X-ray powder diffraction, selected area electron diffraction, and AC impedance spectroscopy.

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Auechalitanukul, Chiraporn, Ryan C. McCuiston, Benjawan Bunlangsup, Chanattha Naikorn, and Sudachuan Tapanaun. "Properties of Sintered Bronze-Graphite Containing Calcium Sulfate Derived from Waste Plaster Molds." Key Engineering Materials 751 (August 2017): 25–30. http://dx.doi.org/10.4028/www.scientific.net/kem.751.25.

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This study examined the effect of calcium sulfate additions on the microstructure and frictional properties of a 95bronze-5graphite material, commonly used for frictional applications. The samples were prepared using a powder metallurgy process. The calcium sulfate powder was obtained from recycled plaster molds previously used for ceramic slip casting. The plaster molds were cleaned, crushed and ball milled to obtain powder, which was calcined at 400 °C for 4 hours and screened. 2 to 8 weight percent calcium sulfate powder was added to a premixed powder composed of copper and tin and mixed be

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ROMANOV, ILYA, and ROMAN ZADOROZHNIY. "10.22314/2618-8287-2020-58-4-148-156." Tekhnicheskiy servis mashin 4, no. 141 (2020): 148–56. http://dx.doi.org/10.22314/2618-8287-2020-58-4-148-156.

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Among the well-known repair technologies for restoring bronze parts, there are practically no technologies using metal powders from non-ferrous metals. Electroerosive dispersion is an energy-efficient process that makes it possible to obtain powdered copper and bronze from machine-building waste with lower costs and environmental impact. (Research purpose) The research purpose is in evaluating the physical and mechanical properties of bronze powders obtained by electroerosive dispersion from machine-building waste, and justifying the possibility of their application in the technologies of repa

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Drathen, Christina, Kirill Yusenko, and Serena Margadonna. "Structural modulations in multiferroic tetragonal tungsten bronze KxMnxFe1+xF3." Acta Crystallographica Section A Foundations and Advances 70, a1 (2014): C52. http://dx.doi.org/10.1107/s2053273314099471.

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Multiferroic materials showing coupling of the different order parameters (ferroelectric, ferromagnetic, ferroelastic) are interesting not only from a fundamental perspective, but also from a technological point of view, e.g. for to the development of new storage technologies. However, the coexistence of (ferro)magnetism and ferroelectricity is considered a rare phenomenon. Whilst this may be true for perovskite oxides, where emptyd-shells favor the off-centering of ions but counteract magnetism, this intrinsic limitation can be avoided by moving to different structure types, and/or away from

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Zou, Liming, Lizhi Yu, Zaijun Su, and Liejun Li. "The Effect of Powder Composition on the Microstructure and Properties of Bronze Oil-bearings." Journal of Physics: Conference Series 2587, no. 1 (2023): 012017. http://dx.doi.org/10.1088/1742-6596/2587/1/012017.

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Abstract The effects of different powder compositions on the microstructure and properties of the sintered oil bearings were investigated. Three different types of powder were used for the comparative tests. The research conclusions show that three different types of raw material powders have different pore structures. In the case of mixed powders, the sintered samples have a self-lubricating function that can both store oil and supply oil to the friction surface through capillary pores. When the raw material is a mixed powder in which Cu powder is less than 75 μm, it has the best self-lubrica

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Liu, Jing Xiao, Xiao Jie Wang, Fei Shi, et al. "Hydrothermal Synthesis of Cesium Tungsten Bronze and its Heat Insulation Properties." Advanced Materials Research 531 (June 2012): 235–39. http://dx.doi.org/10.4028/www.scientific.net/amr.531.235.

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Using sodium tungstate and cesium carbonate as raw materials, cesium tungsten bronze (CsxWO3) powders were synthesized by low temperature hydrothermal reaction with citric acid as the reducing agent. The CsxWO3 films were prepared on glass using polyvinyl alcohol solution as dispersing agent. The microstructure and morphology of CsxWO3 powders were characterized by XRD and SEM, and the optical spectra and heat insulation properties of CsxWO3 powder and films were investigated. The results indicate that the synthesized cesium tungsten bronze powders have hexagonal Cs0.32WO3 crystal structure. T

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Frota, T. M. P., R. A. Brito, Clodomiro Alves Jr., and V. Hajek. "Microstructure of Plasma-Sintered Aluminum Bronze Powder Compacts." Materials Science Forum 530-531 (November 2006): 133–39. http://dx.doi.org/10.4028/www.scientific.net/msf.530-531.133.

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Porous materials are successfully utilized for fabrication of many industrial components such as filters and selflubricating bearings. These products are made by powder metallurgy, where mixtured or prealloyed powders can be used. The aluminum bronze is one of the most wanted due its excellent properties in combination with low cost of the raw materials. In this work, single action compacted (100 MPa) prealloyed aluminum bronze (Cu- 9wt%Al-1wt%Fe) cylinders were sintered using a hollow cathode discharge at temperatures between 400 and 750°C with duration on the isotherm for 12 min. Microstruct

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Jabur, Adnan S. "Effect of powder metallurgy conditions on the properties of porous bronze." Powder Technology 237 (March 2013): 477–83. http://dx.doi.org/10.1016/j.powtec.2012.12.027.

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Camilleri, Steven, Tien Tran, Andrew Duguid, and Kannoorpatti Narayanan Krishnan. "Cold spray as a powder metallurgy process for production of nickel aluminium bronze." PLOS ONE 20, no. 3 (2025): e0319333. https://doi.org/10.1371/journal.pone.0319333.

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Nickel aluminium bronze (NAB) alloys are known for their excellent strength and corrosion resistance, making them suitable for maritime and industrial applications. NAB is producible by Powder Metallurgy (PM) but typically requires high compaction pressure. The objective of this study is to investigate the manufacturing of NAB using the cold spray additive manufacturing (AM) process and to compare its properties to those produced by traditional methods such as casting and PM. Cold spray is a solid-state coating technique that accelerates powdered metal and carrier gas to supersonic speeds, ena

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Pasternak, Viktoriya, Lyudmila Samchuk, Nataliia Huliieva, Igor Andrushchak, and Artem Ruban. "Investigation of the Properties of Powder Materials Using Computer Modeling." Materials Science Forum 1038 (July 13, 2021): 33–39. http://dx.doi.org/10.4028/www.scientific.net/msf.1038.33.

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Granulometric characteristics of structurally inhomogeneous materials based on full-scale mounds of a powder mixture of different fractional composition are established. Regularities of backfilling of powder particles of different shapes and sizes are revealed, and changes in the polydispersity of powder particles within each fraction are justified. It is proved that with a decrease in the average particle size of structurally inhomogeneous AlCu2 materials in a single fraction, the size spread relative to this value of other particles increases. The results of calculating the porosity of backf

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Pavlova, Svetlana S. "The relationship of dispersion and properties of powder materials on the example of titanium oxide bronze." Yugra State University Bulletin 18, no. 2 (2022): 30–35. http://dx.doi.org/10.18822/byusu20220230-35.

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The subject of this work is oxide potassium-titanium bronzes. The purpose of the work: to establish the relationship between the dispersion of samples of oxide potassium-titanium bronze and its physicochemical properties. Synthesis methods: self-propagating high-temperature synthesis (SHS), mechanosynthesis. Research methods used in the work: X-ray phase analysis (XRF), optical method for determining particle size, four-probe method for determining electrical conductivity, thermal analysis, method for determining chemical resistance. Results of the study: particle sizes were

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Umakantham, K., K. Chandramouli, G. Nageswara Rao, and A. Bhanumathi. "Structural properties of inorganic materials: tungsten bronze SBN ceramics." Bulletin of Materials Science 19, no. 2 (1996): 345–55. http://dx.doi.org/10.1007/bf02744671.

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Conan, A., A. Bonnet, and M. Morsli. "Electrical and Structural Properties of the Tungsten Bronze Bi4W20O62." physica status solidi (b) 155, no. 2 (1989): 609–13. http://dx.doi.org/10.1002/pssb.2221550231.

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Shan, Lian Wei, Wei Li, Ji Hua Wang, Zhong Li, and Li Min Dong. "Pyroelectric Properties of SBN/BST by Powder-Sol Method." Applied Mechanics and Materials 320 (May 2013): 190–95. http://dx.doi.org/10.4028/www.scientific.net/amm.320.190.

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0.7BaO·0.3SrO·0.3Nb2O5·0.7TiO2 (SBN/BST) composite ceramics werefabricated using a Powder-Sol (P-S) method with Nb2O5fine powder suspended in the barium strontium titanate (abbreviated as BST) solsolution. By X-ray diffraction (XRD) investigations, it is found that thetetragonal tungsten bronze (TTB) phase and perovskite phase were co-present incompositions. The average grain size of BST and SBN phase is 140 nm and 2.2 μm,respectively. The room temperature relative dielectric constant is 1445 forthis sample measured at 1 kHz and zero bias. In the room temperature, thepyroelectric coefficient o

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Uhlmann, Eckart, Julian Polte, Janek Maria Fasselt, et al. "A Comparative Evaluation of Powder Characteristics of Recycled Material from Bronze Grinding Chips for Additive Manufacturing." Materials 17, no. 14 (2024): 3396. http://dx.doi.org/10.3390/ma17143396.

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In the manufacturing process of ship propellers, large quantities of grinding chips are generated. These grinding chips result from the finishing of the blade surfaces after the primary casting process of the propeller. The aim of this study was to investigate and compare different preparation processes used to produce chip powders with sufficient powder quality for the additive manufacturing process of directed energy deposition. The preparation of the samples was performed through different sieving, milling and re-melting processes. For the characterization of the prepared samples, powder an

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Dyachkova, L. N., P. A. Vityaz, A. Ph Ilyushchenko, L. J. Voronetskaya, A. I. Letsko, and N. M. Parnitsky. "Influence of the ultrafine iron aluminide additive on the structure and properties of iron and copper powder materials." Doklady of the National Academy of Sciences of Belarus 63, no. 3 (2019): 360–69. http://dx.doi.org/10.29235/1561-8323-2019-63-3-360-369.

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The results on the effect of introduction of iron aluminide of various chemical and phase compositions on the structure and mechanical properties of powdered carbon steel and tin bronze are presented. It is shown that the introduction of 0.5 % single-phase iron aluminide Fe3Al leads to an increase in the strength of powdered carbon steel by 30–40 MPa, of biphase Fe2Al5 –FeAl3 – by 80–90 MPa, 1 % – to an insignificant decrease in strength. When a single-phase iron aluminide in the powder steel structure is introduced, a decrease in cementite, differentiation is observed, aluminum diffusion into

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ROMANOV, I. V. "HE USE OF SECONDARY POWDER MATERIALS FOR THE RESTORATION OF BRONZE PARTS OF HYDRAULIC MACHINES." Tekhnicheskiy servis mashin 62, no. 1 (2024): 73–79. http://dx.doi.org/10.22314/2618-8287-2024-62-1-73-79.

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During the operation of agricultural machinery, machine parts and their connections lose their operability, which requires their replacement. The cost of restoration is 50-60 percent of the cost of a new part. The presence of non-ferrous metal and alloy parts in the equipment, and in particular bronze, makes the issue of restoration even more urgent due to the high cost of such parts. Methods using powder materials are particularly successful in restoring worn parts. It is characteristic that in order to reduce the cost of such technologies, it is possible to resort to recycling of metal waste

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Kobayashi, Takeshi, Toru Maruyama, and Tsutomu Yasuda. "Sliding Properties of Composite Sprayed Coating between Bronze Powder and Solid Lubricant." MATERIALS TRANSACTIONS 44, no. 5 (2003): 1024–28. http://dx.doi.org/10.2320/matertrans.44.1024.

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Timmons, Kenzie A., Ali Nasiri, and Donald P. Bishop. "Laser Powder Bed Fusion Processing of UNS C64200 Aluminum–Silicon–Bronze." Journal of Manufacturing and Materials Processing 9, no. 5 (2025): 147. https://doi.org/10.3390/jmmp9050147.

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This research focused on developing the processing parameters required to fabricate UNS C64200 aluminum–silicon–bronze (ASB) using laser powder bed fusion (LPBF) additive manufacturing. A full factorial design of experiments (DOE), followed by a central composite DOE, was employed to statistically optimize the as-built density while varying laser power, scan speed, and hatch spacing. Parameter sets that yielded high-density (>99.9%) products were then utilized to manufacture specimens to determine mechanical properties in both the as-built and heat-treated states. The as-built samples exhib

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Chen, Sui Yuan, Xin Rong Li, Di An, Jing Liang, and Chang Sheng Liu. "Preparation and Wear Performance of Novel Graphite/Copper Alloy-Matrix Self-Lubricating Composite Materials." Advanced Materials Research 941-944 (June 2014): 284–87. http://dx.doi.org/10.4028/www.scientific.net/amr.941-944.284.

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A novel graphite/copper alloy-based self-lubricating composite materials were prepared using the powder metallurgy method by composing 663 bronze, Ni, W, nanoAl2O3, MoS2, Ag, CaF2, Sm2O3 as the basic alloy powder and adding 1wt.%, 1.5wt.%, 2wt.%, 2.5wt.%, 3wt.% graphite and nickel coated graphite powder respectively to the composite powder. The microstructure, mechanical properties and friction properties of the samples were studied. The results show that the samples with nickel coated graphite powder have their wettability and the composite structure between graphite and copper alloy matrix i

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Li, Zhenyu, Gengrui Zhao, Honggang Wang, et al. "Microstructure and tribological behaviors of diffusion bonded powder sintered Cu–Sn based alloys." Materials Research Express 8, no. 11 (2021): 116505. http://dx.doi.org/10.1088/2053-1591/ac31ff.

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Abstract Owing to good self-lubricating performance, tin bronze is widely used in industrial fields. As tin bronze parts manufactured by powder metallurgy, their tribological performances are influenced by raw powder. In this work, four types of self-lubricating copper alloy composites (CuSn10 (D), CuSn10, CuSn10Pb10 (D) and CuSn10Pb10) were prepared by sintering completely alloyed powder and diffusion alloyed copper tin powder. The morphology, element distribution and microstructure of raw powder and their sintered Cu alloy composites were observed. The tribological properties of Cu alloys we

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Massarotti, V., D. Capsoni, M. Bini, et al. "Structural and Spectroscopic Properties of Pure and Doped Ba6Ti2Nb8O30Tungsten Bronze." Journal of Physical Chemistry B 110, no. 36 (2006): 17798–805. http://dx.doi.org/10.1021/jp063382p.

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