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Journal articles on the topic 'Ball-milling'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 July 2025

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1

Qiu, Zhi Wen, Jin Yun Cheng, Jian Feng Zhou, et al. "Effect of Ball Milling Methods on the Properties of Quartz Sand Powder Materials from the Yangtze River." Advanced Materials Research 804 (September 2013): 47–51. http://dx.doi.org/10.4028/www.scientific.net/amr.804.47.

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In order to lay raw materials foundation for increasing the performance of insulating brick with the low grade quartz sand along the Yangtze River, the effect of ball milling methods on the properties of quartz sand powder was researched via the ball milling method in this paper. The results show the mean grain size of quartz powders are 11.25μm via a roller ball milling, the mean grain size of quartz powders are 7.37μm via a planetary ball milling, and the particle size distribution of quartz powders milled via a roller ball milling is wider than that of quartz powders milled via a planetary
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2

Bolm, C., B. Rodríguez, and T. Rantanen. "Ball-Milling Organocatalysis." Synfacts 2006, no. 12 (2006): 1281. http://dx.doi.org/10.1055/s-2006-955561.

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3

Ma, Bo Feng, Bin Tan, Wen Bo Zhao, et al. "Preparing Superfine Quartz Sand Powder by Ball Milling Method." Advanced Materials Research 1058 (November 2014): 44–47. http://dx.doi.org/10.4028/www.scientific.net/amr.1058.44.

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To save land resources by the use of low-grade natural resources to realize a high cost performance product, the technology of prepared superfine quartz sand powder via the ball milling methods were investigated. The results are shown the mean particle size of quartz sand powder is gradually become small varied with prolonging the ball milling time. Before 60 minutes, the mean particle size is slashed, however, the range of varying mean particle size is less after 60 minutes under the ball milling rotate speed for 200r/min and the charge amount for 200g/L, so the ball milling time for 60 minut
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4

Rhee, Kyong Yop, Hyun Kab Cho, and Jai Sung Hong. "An Investigation on the Application of Cryogenic Ball Milling to Ibuprofen Particle and Its Characteristics." Materials Science Forum 505-507 (January 2006): 355–60. http://dx.doi.org/10.4028/www.scientific.net/msf.505-507.355.

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For a present study, a cryogenic ball milling process was applied to reduce the Ibuprofen particles to submicron in order to enlarge their dissolution rate. The cryogenic ball milling was performed using 6 mm zirconia balls at a temperature of -180 °C or lower. The effects of milling time, the weight ratio of ball to Ibuprofen, and milling speed on the particle size were investigated. SEM and particle size analyzer were used to analyze the shape and size of particles before and after ball milling. The chemical changes before and after the cryogenic ball milling process were examined through XR
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5

Liu, Yue, Jie Guang Song, W. L. Zhu, D. L. Zhang, H. B. Wen, and R. Huang. "Effect of Ball Milling Technology on Properties of Refractory Waste." Key Engineering Materials 927 (July 29, 2022): 143–48. http://dx.doi.org/10.4028/p-49gm95.

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With the popularization of "sponge city" in the whole country, the use of permeable bricks is increasing every year. Although the raw materials required for the preparation of permeable bricks are widely sourced, there are few reports on the process of using refractory waste to prepare permeable bricks. It is the ball milling process of refractory waste. The effects of ball milling time, ball mill rotation speed, and ball-to-material ratio on the properties of refractory waste were mainly studied. Through the experimental results and analysis, the following conclusions can be drawn: with the i
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6

Zhang, Na, Yiqun Mao, Shuangshuang Wu, and Wei Xu. "Effects of the Ball Milling Process on the Particle Size of Graphene Oxide and Its Application in Enhancing the Thermal Conductivity of Wood." Forests 13, no. 8 (2022): 1325. http://dx.doi.org/10.3390/f13081325.

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To improve the dispersion of graphene oxide particles in wood for better thermal conductivity, this paper proposes the feasibility of obtaining graphene oxide with a smaller particle size using ball milling and its application in melamine resin-modified poplar veneer. The median diameter of multilayer graphene oxide was measured to learn the effects of different ball milling conditions on the particle size of graphene oxide, and the optimum ball milling process was chosen. In addition, the microscopic characterization of graphene oxide under the optimum ball milling process was carried out to
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7

Bor, Amgalan, Battsetseg Jargalsaikhan, Jehyun Lee, and Heekyu Choi. "Effect of Different Milling Media for Surface Coating on the Copper Powder Using Two Kinds of Ball Mills with Discrete Element Method Simulation." Coatings 10, no. 9 (2020): 898. http://dx.doi.org/10.3390/coatings10090898.

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This study investigated the effect of three different ball materials on the metal-based carbon nanotube (CNT) composites used as surface coatings on metal-powder to fabricate high-quality nanocomposites. The effect of ball material, different rotation speeds, and milling times on the coating characteristics of the metal-based nanocomposite were studied. The mechanical dry coating was used to fabricate CNT coatings on the surface of copper powder particles via two different ball milling machines such as a traditional ball mill and a stirred ball mill. We explored the effect of the milling media
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8

Camut, Julia, Ignacio Barber Rodriguez, Hasbuna Kamila та ін. "Insight on the Interplay between Synthesis Conditions and Thermoelectric Properties of α-MgAgSb". Materials 12, № 11 (2019): 1857. http://dx.doi.org/10.3390/ma12111857.

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α-MgAgSb is a very promising thermoelectric material with excellent thermoelectric properties between room temperature and 300 °C, a range where few other thermoelectric materials show good performance. Previous reports rely on a two-step ball-milling process and/or time-consuming annealing. Aiming for a faster and scalable fabrication route, herein, we investigated other potential synthesis routes and their impact on the thermoelectric properties of α-MgAgSb. We started from a gas-atomized MgAg precursor and employed ball-milling only in the final mixing step. Direct comparison of high energy
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9

Royka, Azura, and Erwin Amiruddin. "PENENTUAN NILAI SUSEPTIBILITAS DAN UKURAN PARTIKEL MAGNETIK PASIR ALAM LOGAS KABUPATEN KUANTAN SINGINGI MENGGUNAKAN VARIASI UKURAN BALL MILLING." Komunikasi Fisika Indonesia 18, no. 1 (2021): 42. http://dx.doi.org/10.31258/jkfi.18.1.42-47.

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Magnetic properties and morphology of natural sand has been carried out in Logas Village, Kuantan Singingi Regency have been determined. Iron sand samples were processed using iron sand separator (ISS) prior to ball milling for separating between magnetic and non magnetic particles. The product of ISS was milled for 90 hours using ball milling first step method with milling ball size of 1.5 cm. Themagnetic and non-magnetic particles of ball milling products were separated using Neodymium Iron Boron (NdFeB) magnet. The product of ball milling first step then was milled for another 30 hours with
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10

Wulandhari, Ayu, and Erwin Erwin. "PENENTUAN SIFAT MAGNETIK DAN MORFOLOGI PARTIKEL MAGNETIK PASIR BESI PANTAI ARTA PARIAMAN SUMATERA BARAT." Komunikasi Fisika Indonesia 17, no. 1 (2020): 14. http://dx.doi.org/10.31258/jkfi.17.1.14-18.

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Telah dilakukan penelitian tentang sifat magnetik dan ukuran partikel dari pasir besi pantai Arta Pariaman Sumatera Barat menggunakan metode Ball Milling. Sampel pasir besi dipisahkan menggunakan Iron Sand Separator (ISS) sebelum dilakukannya proses penghancuran menggunakan Ball Milling dengan variasi waktu 30 jam, 60 jam, dan 90 jam, kemudian dilakukan Ball Milling lanjutan selama 30 jam pada sampel hasil Ball Milling 90 jam dengan ukuran bola yang diperkecil sebesar 0,6 cm. Untuk pemisahan antara partikel magnetik dan non-magnetik pada hasil Ball Milling menggunakan magnet batang Niodinium I
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11

Wattanapradit, Onchuda, and Pornsuda Bomlai. "Effects of Ball Milling on the Properties of (Ba1-xCax)(Ti0.92Sn0.08)O3 Lead-Free Ceramics." Key Engineering Materials 751 (August 2017): 417–22. http://dx.doi.org/10.4028/www.scientific.net/kem.751.417.

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The (Ba1-xCax)(Ti0.92Sn0.08)O3 (x = 0 and 0.02) lead-free ceramics were prepared by using different ball-milling method and time (common ball milling 24 h, high energy ball milling 1 and 3 h). The two-step sintering method was used for sintered the samples. The densification, structure, dielectric and piezoelectric properties of the ceramics were investigated. The results showed that Ca addition could reduce sintering temperature effectively and enhanced densification at lower temperature when using the common ball-milling type. The XRD patterns of (Ba1-xCax) (Ti0.92Sn0.08)O3 ceramics revealed
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12

Liu, Hongjin, Mingkun Fu, Shaozhi Pang, et al. "Effect of Ball-Milled Feedstock Powder on Microstructure and Mechanical Properties of Cu-Ni-Al-Al2O3 Composite Coatings by Cold Spraying." Coatings 13, no. 5 (2023): 948. http://dx.doi.org/10.3390/coatings13050948.

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Cu, Ni and Al powders mixed in a certain stoichiometric proportion were ground via ball milling and deposited as coatings using low pressure cold spraying (LPCS) technology. The effect of particle morphology on the powder structure as well as the microstructure, composition and mechanical properties of the coatings was studied. The results revealed a core–shell structure of ball-milled powders. Compared with a mechanically mixed (MM) coating, coatings after ball milling at a rotation speed of 200 rpm exhibited the most uniform composition distribution and a lower degree of porosity (by 0.29%).
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13

Su, Si Ting, Jian Xiong, and Jun Ye. "Effect of Ball Milling on Structure of Microcrystalline Cellulose." Applied Mechanics and Materials 394 (September 2013): 201–4. http://dx.doi.org/10.4028/www.scientific.net/amm.394.201.

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The main objective of this work was investigate the effect of ball milling on microcrystalline cellulose (MCC) structure. FTIR results shows there are no obvious different in the function groups of between neat and ball milling MCC. Both FTIR and WAXD analysis indicate that the crystalline of MCC samples are change with the ball milling time. The WAXD results also show MCC change from typical cellulose IV to amorphous state when ball milled for 6h, and after 30h the characteristic shape ball milling transformed into cellulose II.
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14

Zhang, Yi, Zhong Tao, Lei Wu, Zhiqi Zhang, and Zhiman Zhao. "Strength Prediction of Ball-Milling-Modified Phosphorus Building Gypsum Based on NSGM (1,4) Model." Materials 15, no. 22 (2022): 7988. http://dx.doi.org/10.3390/ma15227988.

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Phosphogypsum is an industrial byproduct from the wet preparation of phosphoric acid. Phosphorus building gypsum can be obtained from phosphogypsum after high-thermal dehydration. This study aimed to analyze the influence of ball milling with different parameters on the strength of phosphorus building gypsum. In this paper, the absolute dry flexural strength and the absolute dry compressive strength of phosphorus building gypsum were compared under different mass ratios of material to ball, ball-milling speed, and ball-milling time, and the NSGM (1,4) model was applied to model and predict the
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15

Rattanarak, Jiravat, Wanichaya Mekprasart, Wisanu Pecharapa, and Wicharn Techitdheera. "Photocatalytic Activities under UV Light of Ball-Milled TiO2 Photocatalysts." Advanced Materials Research 802 (September 2013): 237–41. http://dx.doi.org/10.4028/www.scientific.net/amr.802.237.

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Anatase TiO2powders used as photocatalysts were prepared by ball milling process at various milling time and annealed in nitrogen atmosphereat different temperatures. Commercial TiO2powders were ball-milled with ethanol at room temperature. After ball milling process, the samples were annealed in nitrogen atmosphere. The particle sizes and surface area of milled powders were measured by particle analyzer and Brunauer Emmet Teller method(BET). Effect of milling time and annealing temperature on structural properties of TiO2powders was investigated by X-ray diffraction(XRD) and scanning electron
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16

Bearce, Richard G., and Robert V. Rinehart. "Evaluating Methods for Ball Mill Disaggregation of Slakable Rock and Fine-Grained Soil." Geotechnical Testing Journal 48, no. 1 (2024): 56–67. https://doi.org/10.1520/gtj20240041.

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ABSTRACT Geotechnical laboratory tests such as grain size analysis, Atterberg limits, and residual strength and swell-consolidation testing on remolded specimens require disaggregating a sample into its constituent particles. Specimen preparation typically involves hand processing samples with a mortar and rubber-tipped pestle until they pass a designated sieve size. Ball milling is an alternative to hand processing and has the potential to expedite the preparation process and result in more complete disaggregation, leading to more accurate test results. For ball milling to become a validated
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17

Song, Jie Guang, Yue Liu, Long He, et al. "Influence of Ball Milling Process on the Pinned Effect of Al2O3/Al Cermet Composite Powder." Key Engineering Materials 777 (August 2018): 80–84. http://dx.doi.org/10.4028/www.scientific.net/kem.777.80.

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The Al2O3/Al cermet composite powders were prepared via the ball milling method,which provide raw materials for preparing high performance cermet materials. The results show that the number of Al2O3 particles on the surface of Al particles increases first and then decreases with increasing the ball milling time and milling rotating speed. The number of Al2O3 particles on the surface of Al particles increases with increasing ball to powder mass ratio. The analysis of the ratio of performance to price shows that the better parameters for preparing the pinned Al2O3/Al cermet composite powders are
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18

van Ek, J., and A. Lodder. "Orthogonal Experiment Study on the Hydrogen Desorption Properties of NaAlH4 and LiAlH4." Defect and Diffusion Forum 115-116 (January 1994): 1–38. http://dx.doi.org/10.4028/www.scientific.net/ddf.115-116.1.

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Orthogonal experiment design and variance analysis were adopted to investigate the hydrogen desorption properties of NaAlH4and LiAlH4, which consisted of three stages, ball-milled under argon. Optimum milling condition was very important for the performance of NaAlH4and LiAlH4, which was obtained from the orthogonal experiments. The orthogonal experiment design considered three experimental factors, i.e. weight ratio of ball to power, weight ratio of ɸ8 ball to ɸ4 ball and milling time, which varied on three different levels, respectively. According to the range analysis and variance analysis
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19

Zheng, Xue Ping, Xin Feng, Xiao Bin Lin, and Sheng Lin Liu. "Orthogonal Experiment Study on the Hydrogen Desorption Properties of NaAlH4 and LiAlH4." Advanced Materials Research 413 (December 2011): 491–98. http://dx.doi.org/10.4028/www.scientific.net/amr.413.491.

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Orthogonal experiment design and variance analysis were adopted to investigate the hydrogen desorption properties of NaAlH4and LiAlH4, which consisted of three stages, ball-milled under argon. Optimum milling condition was very important for the performance of NaAlH4and LiAlH4, which was obtained from the orthogonal experiments. The orthogonal experiment design considered three experimental factors, i.e. weight ratio of ball to power, weight ratio of ɸ8 ball to ɸ4 ball and milling time, which varied on three different levels, respectively. According to the range analysis and variance analysis
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20

Ding, Yun Peng, Xian Li Liu, Hui Nan Shi, Jiao Li, and Rui Zhang. "Modeling and Simulation of Ball End Milling Force for Mold Cavity Corner." Materials Science Forum 800-801 (July 2014): 337–41. http://dx.doi.org/10.4028/www.scientific.net/msf.800-801.337.

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In this paper, a cutting force model in ball end milling of mold cavity corner is established. Based on infinitesimal milling force model, cutting element of ball end milling cutter is treated as equal diameter end milling cutter, then determine the location of points when the micro-element participated in the cutting, and the tool-workpiece contact area and cutting range is determined. Thereby a complete milling force model in corner machining with ball end milling cutter is established.
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21

Zhang, Xiaohui, Xitao Liu, Jianguo Zhao, et al. "Model Study of Mechanicochemical Degradation in a Planetary Ball Mill." Sustainability 15, no. 2 (2023): 1353. http://dx.doi.org/10.3390/su15021353.

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The process of ball milling and the materials that compose planetary ball mills are highly complex, and the existing research on the change in ball-milling energy is not mature. The theoretical model of a ball mill was established for the first time to simulate the motion, collision process, energy transfer, and temperature change of small balls during the ball-milling process. Furthermore, by comparing the information with the experimental data for a ball mill, the motion trajectory of the grinding ball, and the energy transfer between the balls and materials were studied, and the micro proce
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22

Eom, JiYong, and HyukSang Kwon. "Improved lithium insertion/extraction properties of single-walled carbon nanotubes by high-energy ball milling." Journal of Materials Research 23, no. 9 (2008): 2458–66. http://dx.doi.org/10.1557/jmr.2008.0291.

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The effects of ball milling on lithium (Li) insertion/extraction properties into/from single-walled carbon nanotubes (SWNTs) were investigated. The SWNTs were synthesized on supported catalysts by thermal chemical-vapor deposition method, purified, and mechanically ball-milled by high-energy ball milling. The purified SWNTs and the ball-milled SWNTs were electrochemically inserted/extracted with Li. The structural and chemical modifications in the ball-milled SWNTs change the insertion/extraction properties of Li ions into/from the ball-milled SWNTs. The reversible capacity (Crev) increases wi
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23

Zheng, Minli, Chunsheng He, and Shucai Yang. "Thermo-mechanical coupling behaviour when milling titanium alloy with micro-textured ball-end cutters." Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering 234, no. 6 (2020): 562–75. http://dx.doi.org/10.1177/0954408920931958.

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The high-speed milling of titanium alloy is a very complex nonlinear dynamic cutting process, and there are mutual coupling effects between multiple physical fields of the tool. Therefore, the thermo-mechanical coupling behavior of micro-textured ball-end milling cutters during the cutting of titanium alloy was studied in depth, combined with theoretical calculations, milling experiments and simulation analysis. First, based on the experimental data of milling titanium alloy, the stress field of the micro-textured ball-end milling cutter was solved. Then, the dimensional method was used to sol
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24

Shinde, Sourabh, Taukir Momin, Vispi Karkaria, and Parshuram Karandikar. "Polypropylene as an innovative substitute for jar material of horizontal axis, multi-jar ball milling machine to grind electrode materials for energy storage devices." E3S Web of Conferences 309 (2021): 01098. http://dx.doi.org/10.1051/e3sconf/202130901098.

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It is approximated that there will be a considerable amount of increase in worlds energy needs. So, there is a need of high energy storing devices when the load is low or moderate. Supercapacitors (SC) can be the competent options to serve this purpose. The paper recounts the performance of supercapacitors (SC) churned out from a horizontal axis multi-jar ball milling machine based on variations in material properties of ball milling jars. To store ample amount of energy, it is very essential to develop energy storing devices with large capacities and large ratings. The performance of energy s
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25

Wang, Fang, Ai Xia Chen, Chao Yang, et al. "Preparation and Characterization of Coated Alumina/Aluminum Cermet Composite Powder via Ball Milling Method." Key Engineering Materials 861 (September 2020): 250–55. http://dx.doi.org/10.4028/www.scientific.net/kem.861.250.

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Cermet is an important new engineering material that not only maintains the excellent properties of ceramic materials, but also has the advantages of metal materials. In this paper, the encapsulated alumina-aluminum composite powder was prepared by ball milling and characterized, which laid a foundation for the development of high properties cermet materials. Through the analysis of experimental results, the conclusions are shown when the ball milling time is greater than 3 h, the alumina particles are more evenly distributed around the aluminum powder. the ball milling for 6 h may have reache
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26

Lee, H. E., Y. Su Kim, J. K. Park, and S. T. Oh. "Microstructure Evolution of Ni-Based ODS Superalloy Powders During Horizontal Rotary Ball Milling." Archives of Metallurgy and Materials 62, no. 2 (2017): 1253–55. http://dx.doi.org/10.1515/amm-2017-0187.

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AbstractMicrostructure evolution of Ni-based oxide dispersion-strengthened alloy powders with milling time is investigated. The elemental powders having a nominal composition of Ni-15Cr-4.5Al-4W-2.5Ti-2Mo-2Ta-0.15Zr-1.1Y2O3in wt % were ball-milled by using horizontal rotary ball milling with the change of milling velocity. Microstructure observation revealed that large aggregates were formed in the early stages of ball milling, and further milling to 5 h decreased particle size. The average crystalline size, estimated by the peak broadening of XRD, decreased from 28 nm to 15 nm with increasing
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27

Wang, Kai Jun, Xiao Lan Cai, Hua Wang, Jin Hu, and Yun Feng Zhang. "Preparation of Cu-Zn Alloy by Different High Energy Ball Milling." Advanced Materials Research 412 (November 2011): 259–62. http://dx.doi.org/10.4028/www.scientific.net/amr.412.259.

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Cu-Zn alloy was prepared by high energy ball milling of elemental copper and zinc by the Simoloyer attrition mill, the different parameters such as milling time, ball-to-powder ratio and rotational speeds were analyzed. The results show that the different Cu-Zn alloy phase can be produced by different ball milling parameters, It has been found that milling time is highly significant to refining process, and the ratios of ball to powder are also benefited to the new phase form.
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28

Lin, Pei Hao, Lei Wang, Shun Kang Pan, and Hua Mei Wan. "Effect of High-Energy Ball Milling on Microstructure and Microwave Absorbing Properties of NdFe Material." Advanced Materials Research 311-313 (August 2011): 1281–85. http://dx.doi.org/10.4028/www.scientific.net/amr.311-313.1281.

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The NdFe magnetic absorbing materials were prepared by rapid solidification and high-energy ball milling method. The effect of high-energy ball milling on particle morphology, organizational structure and microwave absorbing properties of NdFe magnetic absorbing materials were analyzed with the aid of X-ray diffractometer, scanning electron microscope and vector network analysis. The results show that the Nd2Fe17 and α-Fe phase are refined, the particles become smaller and thinner; the span-ratio of the particles increases along with time during the process of high-energy ball milling; and mea
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29

Gao, Ziqi, Quanjiabao Han, Jianbang Liu, et al. "Dispersion of Carbon Nanotubes Improved by Ball Milling to Prepare Functional Epoxy Nanocomposites." Coatings 13, no. 3 (2023): 649. http://dx.doi.org/10.3390/coatings13030649.

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There has been an increase in interest in developing functional polymer composites based on green chemistry principles. The purpose of this study was to investigate the preparation of functional epoxy/carbon nanotube nanocomposites using ball milling methods. In contrast to mechanical mixing, ball milling promoted good dispersion of CNTs within the epoxy matrix, thereby improving their mechanical properties and electrical conductivity. In epoxy nanocomposites with ball milling, Young’s modulus and tensile strength were increased by 653% and 150%, respectively, when CNT loading was 1.0 vol%. Ad
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30

Lestari, Maria L. A. D., Rainer H. Müller, and Jan P. Möschwitzer. "The Scalability of Wet Ball Milling for The Production of Nanosuspensions." Pharmaceutical Nanotechnology 7, no. 2 (2019): 147–61. http://dx.doi.org/10.2174/2211738507666190401142530.

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Background: Miniaturization of nanosuspensions preparation is a necessity in order to enable proper formulation screening before nanosizing can be performed on a large scale. Ideally, the information generated at small scale is predictive for large scale production. Objective: This study was aimed to investigate the scalability when producing nanosuspensions starting from a 10 g scale of nanosuspension using low energy wet ball milling up to production scales of 120 g nanosuspension and 2 kg nanosuspension by using a standard high energy wet ball milling operated in batch mode or recirculation
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31

Xu, Jian Lin, Liang Zhang, Qiang Guo, Sheng Gang Zhou, and Chong Feng. "Research on the Preparation of Antimony Nanoparticles by Mechanical Ball Milling." Key Engineering Materials 609-610 (April 2014): 244–49. http://dx.doi.org/10.4028/www.scientific.net/kem.609-610.244.

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Taking antimony powder with 75μm of average particle size as raw material, the antimony nanoparticles were synthesized by mechanical ball milling. Crystalline structure, morphology and particle size of the antimony nanoparticles were characterized by XRD, TEM and FT-IR. The effect of milling mediums and ball milling speed on results antimony nanoparticles were studied using dry grinding and wet grinding methods. The results show that the antimony nanoparticles can be prepared successfully by wet process of ball milling. When the ball milling speed is 150 r/min and the milling mediums is a comp
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32

Manna, Joydev, and Jacques Huot. "Effect of KCl Addition on First Hydrogenation Kinetics of TiFe." Compounds 2, no. 4 (2022): 240–51. http://dx.doi.org/10.3390/compounds2040020.

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In this paper, the effect of the addition of potassium chloride (KCl) by ball milling on the first hydrogenation kinetics of TiFe is reported. After milling, KCl was uniformly distributed on the TiFe’s surface. As-synthesized TiFe does not absorb hydrogen. However, after ball milling with KCl, it absorbed 1.5 wt.% of hydrogen on the first hydrogenation without any thermal treatment. The storage capacity of TiFe with KCl addition is higher than that of the ball milled pure TiFe. The effects of the amount of KCl additive in TiFe and ball milling time on first hydrogenation kinetics are reported.
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33

Rai, B. K., S. R. Mishra, S. Khanra, and K. Ghosh. "Effect of Ball Milling on Magnetic Properties of Nb Substituted R2Fe16Nb1 (R: Gd and Er) Alloys." MRS Proceedings 1516 (2013): 227–31. http://dx.doi.org/10.1557/opl.2013.392.

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AbstractIn this work, we report the effect of high energy ball milling (HEBM) on Nb doped R2Fe16Nb1 (R= Gd, Er) compounds. The focus of the work is to bring enhancement in magnetic properties of R2Fe17 (2:17) compounds with the ball milling. Specifically, we find that the ball milling increases saturation magnetization, coercivity, and Curie temperature. The increase in the magnetization and Curie temperature upon ball milling is related to the lattice expansion and microstrains while the increase in coercivity is related to the grain refinement.
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34

Zhang, Changjun. "Shockwaves from ball milling." Nature Energy 8, no. 10 (2023): 1058. http://dx.doi.org/10.1038/s41560-023-01393-7.

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35

Huang, Fei, Hang Wang, Jin-Shui Chen, and Bin Yang. "Dry ball milling and wet ball milling for fabricating copper–yttria composites." Rare Metals 37, no. 10 (2018): 859–67. http://dx.doi.org/10.1007/s12598-018-1086-y.

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36

Dunlap, R. A., D. A. Small, G. R. MacKay, J. W. O'Brien, J. R. Dahn, and Z. H. Cheng. "Materials preparation by ball milling." Canadian Journal of Physics 78, no. 3 (2000): 211–29. http://dx.doi.org/10.1139/p99-067.

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Ball milling is an important method for the preparation of materials both for the investigation of fundamental physical properties and for a number of possible commercial applications. In the present report, the basic principles of ball milling are discussed. This includes a brief overview of experimental techniques as well as an introduction to modeling methods used to analyze milling processes. This will be followed with a discussion of some of the experiments involving ball milling that are being conducted at Dalhousie University. Specifically, a summary of results on mechanically alloyed F
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Yan, Yunrui. "Exfoliation of hexagonal boron nitride nanosheets assisted with covalent organic frameworks by ball-milling." Journal of Physics: Conference Series 2338, no. 1 (2022): 012055. http://dx.doi.org/10.1088/1742-6596/2338/1/012055.

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Abstract Boron nitride nanosheets have superior chemical and physical properties. However, there are many problems in the preparation of hexagonal boron nitride nanosheets, and an effective exfoliation method is still lacking. To solve this problem, this paper intends to obtain boron nitride nanosheets by ball milling using TpPa from COFs material as a ball milling aid, and to investigate various factors affecting the ball milling effect. The h-BN obtained by using some other polymer materials such as starch and pvp as ball milling aids were compared with the h-BN peeled by using COFs material
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Liu, Xusheng, Lei Zhou, Wenhao Li, et al. "Preparation of Mg2Ni Hydrogen Storage Alloy Materials by High Energy Ball Milling." Advances in Materials Science and Engineering 2022 (July 11, 2022): 1–8. http://dx.doi.org/10.1155/2022/2661424.

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In this paper, Mg2Ni hydrogen storage alloy powder was prepared by high-energy ball milling mechanical alloying method, and the influence of stirring shaft rotation speed, ball milling time, and different sizes of ball mills on the formation time, powder morphology, and crystal structure of Mg2Ni alloy during ball milling was studied. The results show that the Mg2Ni alloy was obtained by high-energy ball milling in this work, and the efficiency was increased by about 76% compared with the traditional ball milling method. In the case of higher rotational speed or larger blades, the time to gene
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Zhang, Wei, Chang Jian Du, Xiao Liang Cheng, and Feng Shun He. "Orthogonal Variable Thickness Cutting Modeling of Surface Milling and Physical Fields Simulation." Materials Science Forum 836-837 (January 2016): 468–75. http://dx.doi.org/10.4028/www.scientific.net/msf.836-837.468.

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When milling the complex surface with the ball-end milling cutter, the cutting thickness always changes in ball-end milling process. At present, many milling models are actually simplified with unchanged cutting thickness, which ignores the ball-end milling cutting with complex tool-work piece relationship. According to the characteristics of the ball-end milling, orthogonal variable thickness cutting model is established based on the study of three-dimensional contact relationship of tool-work piece. The simulation of the stress field and the temperature field in hardened steel Cr12MoV orthog
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He, Hui, Huaqin Kou, Wenhua Luo, et al. "Structural and Kinetic Hydrogen Sorption Properties of Zr0.8Ti0.2Co Alloy Prepared by Ball Milling." Scanning 2018 (2018): 1–13. http://dx.doi.org/10.1155/2018/5736742.

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The effects of ball milling on the hydrogen sorption kinetics and microstructure of Zr0.8Ti0.2Co have been systematically studied. Kinetic measurements show that the hydrogenation rate and amount of Zr0.8Ti0.2Co decrease with increasing the ball milling time. However, the dehydrogenation rate accelerates as the ball milling time increases. Meanwhile, the disproportionation of Zr0.8Ti0.2Co speeds up after ball milling and the disproportionation kinetics is clearly inclined to be linear with time at 500°C. It is found from X-ray powder diffraction (XRD) results that the lattice parameter of Zr0.
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Cao, Hui Qin, Zhi Meng Guo, Wei Wei Yang, and Ji Luo. "Effect of Mixing Method on Microstructure of SiCp/Al Composites." Materials Science Forum 749 (March 2013): 157–60. http://dx.doi.org/10.4028/www.scientific.net/msf.749.157.

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The fine and homogenous distribution of the SiC particles in Al metal matrix is basic prerequisite for improving the properties of the SiCp/Al composites. In this paper, the effects of high energy ball milling and ordinary ball milling on the spatial distribution of reinforcement of the SiCp/Al composites have been investigated. The result showed that high energy ball milling is the most effective method to get homogeneous distribution of SiC particles in Al matrix. There were many clusters of SiC particles in the composites fabricated by ordinary ball milling.
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Zhong, Sheng Kui, Yue Bin Xu, Wei Li, and Wei Chen. "Electrochemical Properties of LiMnPO4 Cathode Material Prepared by Ball-Milling." Advanced Materials Research 487 (March 2012): 735–38. http://dx.doi.org/10.4028/www.scientific.net/amr.487.735.

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The ball-milling LiMnPO4 powders for lithium-ion batteries were synthesized by high temperature solid-phase method. The effects of ball-milling on the microstructure and electrochemical performance of LiMnPO4 cathode material were investigated. The XRD patterns showed that the LiMnPO4 sample with ball milling 20h had single ordered olivine structure. The SEM images revealed that spherical particles distributed uniformly. The LiMnPO4 powders, of which the initial charge and discharge capacities at 0.05C rate were 133.9 and 66.4mAh•g-1 at 0.05C rate were prepared at 700°C for 20h with ball milli
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Jiang, Bin, Yin Jin Yang, Xian Li Liu, Chang Xing Qi, and Xing Fa Zhao. "Incidence Analysis on Characteristic of High Speed Ball-End Milling Hardened Steel." Advanced Materials Research 188 (March 2011): 73–77. http://dx.doi.org/10.4028/www.scientific.net/amr.188.73.

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In high speed ball-end milling hardened steel, the increase of hardened steel hardness and cutting efficiency make cutting loads changing, and fuzzy and uncertain properties exist in evaluating cutting vibration and machining surface quality. To explore the means for high efficiency and precision machining hardened steel, carried out the experiment of high speed ball-end milling hardened steel, and acquired behavior data of high speed milling characteristic and influencing factors. Founded the model of high speed ball-end milling behavior characteristic using grey system theory, acquired the b
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Giffoni, Y. A., Erika Coaglia Trindade Ramos, Hugo Ricardo Zschommler Sandim, M. T. T. Pacheco, Gilbert Silva, and Alfeu Saraiva Ramos. "Structural Evaluation of Mechanically Alloyed Ti-Nb Powders." Materials Science Forum 591-593 (August 2008): 141–46. http://dx.doi.org/10.4028/www.scientific.net/msf.591-593.141.

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This work discusses on the structural evaluation of mechanically alloyed Ti-Nb powders. The Nb amount was varied between 20 and 50 wt-%. The milling process was carried out in a planetary Fritsch P-5 ball mill under Ar atmosphere. The structural evaluation was conducted by scanning electron microscopy, X-ray diffraction, and energy dispersive spectrometry. During ball milling it was noted an excessive agglomeration of ductile Ti-Nb powders on the balls and vial surfaces, and the final amount of remaining powders was then drastically reduced into the vials. This fact was more pronounced with th
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Wang, Zhi Wen, Zhi Wen Qiu, Yan Ping Feng, et al. "Effect of Ball Milling Rotate Speed on the Properties of Quartz Sand Powder Materials." Applied Mechanics and Materials 432 (September 2013): 47–50. http://dx.doi.org/10.4028/www.scientific.net/amm.432.47.

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In order to lay raw materials foundation for increasing the performance of insulating brick with the low grade quartz sand along the Yangtze River, the effect of ball milling time on the properties of quartz sand powder was researched via the ball milling method in this paper. The results show the grain diameter of quartz sand powder is gradually decreased, the grain fineness distribution is tapered narrowing. The liquidity of quartz sand powders is became poor with an increaseding the ball milling rotate speed, howerver, the tendency of variation is gradually relaxative. The vibration compact
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Chen, Feng Jun, Shao Hui Yin, and S. J. Hu. "Modeling and Computer Simulation of Grinding for Ball-End Milling Cutter with Equal Normal Rake Angle." Advanced Materials Research 53-54 (July 2008): 225–30. http://dx.doi.org/10.4028/www.scientific.net/amr.53-54.225.

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In this paper, a new mathematical model and grinding method of ball-end milling cutter are proposed, based on the orthogonal spiral cutting edge curve. The movements of grinding wheel and ball-end milling cutter are presented while grinding rake face. In order to grind conveniently and avoid interference, a conical wheel is also designed and employed to grind the rake face of ball-end milling cutter on a grinder. In order to improve the machining characteristics of ball-end milling cutter, the model of rake face with equal rake angle is established. The software of ball-end milling cutter is d
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Lou, Shu Mei, Chuan Dong Qu, Guang Xin Guo, et al. "Effect of Fabrication Parameters on the Performance of 0.5 wt.% Graphene Nanoplates-Reinforced Aluminum Composites." Materials 13, no. 16 (2020): 3483. http://dx.doi.org/10.3390/ma13163483.

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Aluminum composites reinforced by graphene nanoplates(GNP) with a mass fraction of 0.5% (0.5 wt.% GNP/Al) were fabricated using cold pressing and hot pressing. An orthogonal test was used to optimize the fabrication parameters. Ball milling time, ball milling speed, and ultrasonic time have the largest influence on the uniformity of the graphene in the composites. Afterwards, the microstructure, interfacial properties, and fracture morphology of the composites obtained with different parameters were further analyzed. The results show that ball milling time and ball milling speed have obvious i
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Zhang, Yi Rong, and Hou Jun Qi. "Based on the Titanium Alloy Milling Forces Modeling and Simulation Study." Advanced Materials Research 1004-1005 (August 2014): 1231–35. http://dx.doi.org/10.4028/www.scientific.net/amr.1004-1005.1231.

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A common mechanical model of ball-end milling cutter is analyzed in this paper, and take advantage of the orthogonal experiment method to make experiment of milling to identify the milling force coefficients with the titanium alloy material as the test object.Then put the coefficients in the mechanical model of ball to use MATLAB software to predict the milling force. The results of experiment and results of simulation are basically identical, it shows that the mechanics model of ball milling is proved to be correct.
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Wang, Guangyue, Xianli Liu, Tao Chen, and Weijie Gao. "An Experimental Study on Milling Titanium Alloy with a Revolving Cycloid Milling Cutter." Applied Sciences 10, no. 4 (2020): 1423. http://dx.doi.org/10.3390/app10041423.

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In this paper, a revolving cycloid milling cutter was designed with a larger effective cutting helix angle and rake angle than a ball end milling cutter of the same diameter. This new type of milling cutter can solve the problems of low machining efficiency, severe tool wear, and low surface quality in titanium alloy processing. A comparison of the cutting performance of titanium alloys processed by the revolving cycloid milling cutter and the ball end milling cutter was carried out to obtain the variation laws of the cutting force and the processing surface quality under different tool wear c
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Chua, Chun Kiang, Zdeněk Sofer, Bahareh Khezri, Richard D. Webster, and Martin Pumera. "Ball-milled sulfur-doped graphene materials contain metallic impurities originating from ball-milling apparatus: their influence on the catalytic properties." Physical Chemistry Chemical Physics 18, no. 27 (2016): 17875–80. http://dx.doi.org/10.1039/c6cp03004a.

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Ball-milling apparatus is a source of metallic impurities in graphene materials. Sulfur-doped graphene obtained from zirconium dioxide-based ball-milling apparatus contains drastically lower amount of metallic impurities than that obtained from stainless-steel based ball-milling apparatus. The metallic impurities exhibit catalytic effects toward the electrochemical catalysis of hydrazine and cumene hydroperoxide.
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