2024年3月1日 This study proposed high-temperature ball milling (HTBM) to modify irregular titanium and its alloys powder for AM, such as hydrogenation-dehydrogenated titanium (HDH Ti), and the ball milling mechanism was revealed. The results showed the irregular HDH Ti powder
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2023年6月27日 Study the effects of ball milling settings, such as milling duration, rotation speed, and ball-to-powder ratio, on the quality and quantity of metal powder produced. This will help optimize the ball milling process for
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2023年9月1日 In this study, the influence of ball milling variables (PCA type, PCA amount, ball milling time, and ball milling speed) on the onset of solid-solution, grain size, and particle size
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Ball milling is a grinding method that grinds nanotubes into extremely fine powders. During the ball milling process, the collision between the tiny rigid balls in a concealed container will generate
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2019年6月12日 Mechanical alloying (MA) is a simple, dry powder processing technique, which involves repeated welding, fracturing, and rewelding of powder particles by highly energetic
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2022年9月30日 In this study, the effects of high-energy ball milling of atomized powder on the microstructure and mechanical properties of a Ni-based oxide dispersion strengthened (ODS)
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Mechanical alloying is a potential opportunity for sustainable powder production as it has the capability to convert various starting materials with different initial sizes into powder particles through the ball milling process.
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2017年8月24日 Alloying of elemental blends achieved through high-energy ball milling (HEBM) is referred to as mechanical alloying (MA), which is a solid-state powder processing technique
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Mechanical alloying (MA) is a powder process that consists of repeated cold welding, fracturing, and rewelding of powder particles in a high-energy ball mill. This process is capable of synthesizing different types of non-equilibrium
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2022年4月21日 High-energy ball milling represents an efficient process for producing composite powders consisting of ceramic particles dispersed in a metallic matrix. However, collision events, plastic deformations, and cold
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2022年4月21日 Further milling of the reference composite powder in a planetary ball mill (with balls) did not cause any noteworthy change in both the particle area (7,700 ± 1,000 µm 2 vs. 9,500 ±
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2022年9月20日 In this work, the evolution of the size and morphology of Fe-Ga particles during vibration ball milling is documented and discussed. Low intensity (12 Hz) and high intensity (20 Hz) of milling with different ball-to-powder ratios (2:1 and 5:1) are used. A systematic study of the effect of various milling parameters on the size and morphology of particles is carried out using
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2022年6月8日 The powder particles of matrix alloy AlSi12 after treatment in the ball mill for different time are shown in Fig. 1.It can be seen from Fig. 1 that the size and shape of particles after 5–10 min of treatment are almost identical. The shape of particles is close to a sphere, and their average size is nearly 11 µm.
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2017年8月24日 The minimum achievable grain size and extent of alloying depend on a number of parameters i.e., type of high-energy ball mill, milling container, ball-to-powder weight ratio, milling speed, grinding medium, extent of filling of the vial, milling atmosphere, process controlling agents, milling temperature, type of material being milled etc. Synthesis of nanocrystalline
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The invention provides a preparation method for nickel-based high-temperature graphene alloy powder. A planetary ball milling method is adopted to prepare the nickel-based high-temperature graphene alloy powder. In order to solve the problems that graphene is small in density and poor in dispersing performance, and in the preparing process of a melt, an interface reaction is
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2020年1月1日 In order to obtain high-quality composite powder for vacuum hot pressing sintering and TiAl alloy with good microstructure and properties, the effect of ball milling speed on the morphology of ...
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Mechanical alloying (MA) is a powder process that consists of repeated cold welding, fracturing, and rewelding of powder particles in a high-energy ball mill. This process is capable of synthesizing different types of non-equilibrium phases including supersaturated solid solutions, nanocrystalline materials, metallic glasses, high-entropy alloys, and several others.
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2021年7月12日 With the conventional gas or water atomization process of synthesizing metallic powders, it is difficult to obtain graphite structure in a gray cast powder particle because of rapid cooling of the molten droplets. In this work, a fabrication method of gray cast iron powder with graphite structure was proposed based on a structural transplantation route. In the fabrication
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2015年3月28日 In this paper, TiAl alloy powders were prepared successfully by high-energy ball milling and diffusion reaction in vacuum at low temperature. The titanium powder, aluminum powder, and titanium hydride powder were used as raw materials. The samples were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), field-emission
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2018年11月1日 The ball to powder ratio ... (MA) process to ball mill W-10wt%Re powder and obtained nano-scale W Re powder, ... [27]. J. Chen et al. adopted MA method to refine the grain of W-15wt.%Nb alloy. They obtained tungsten powder with grain size of 28.3 nm after 45 h ball milling at milling speed of 400 rpm and ball to powder ratio ...
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2021年1月1日 High entropy alloy borides FeCoNiAlCrB x (x = 0.5 and 1.0 in molar ratio) were prepared by high energy ball milling and spark plasma sintering (SPS). Pure high entropy alloy FeCoNiAlCr was prepared for comparison. The effect of boron content on alloying behavior, phase composition, microstructure, micro hardness, and fracture toughness of the as-prepared
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Alloy Powder Based on Insulator–Metal Transition of Surface ... formed in air using a high-energy planetary ball mill (Pulverisette 7, Fritsch GmbH, Idar-Oberstein, Germany) with tungsten ...
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2014年9月15日 Based on the experimental results, purified Cu–Cr alloy nano-scale grain can prepared by mechanical alloying in the modified mill at 325 °C for 3 h with a ball-to-powder mass ratio of 15:1. A crystal agglomeration phenomenon was also found in the final alloy powder, leading to an increase in particle size.
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Powder Technology 210 (2011) 267–272 Contents lists available at ScienceDirect Powder Technology j o u r n a l h o m e p a g e : w w w. e l s ev i e r. c o m / l o c a t e / p ow t e c Ball-mill grinding kinetics of master alloys for steel powder metallurgy applications Ian Bailon-Poujol a,b,⁎, Jean-Paul Bailon a,b, Gilles L'Espérance a,b a b Materials Engineering Program,
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2024年5月1日 Subsequently, the as-cast alloy powder was mixed with 10 wt% nickel powder and further crushed on a QM-3SP2 planetary ball mill. The total mass of the mixed alloy powder was 10 g, the mass ratio of the ball powder was 30:1, and
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2019年4月15日 Mechanical alloying (MA) is a well-known way in processing advanced materials involving repeated welding and fracturing the powder particles in a high energy ball mill [1,2].First developed by Benjamin and his co-workers in 1970s [3,4], this processing method has been shown the potential in synthesizing supersaturated solid solutions, amorphous alloys, nano
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17 nanoparticles were fabricated using both a planetary ball mill and a SPEX mill. ... calculated from the XRD data followed by an investigation on the powder morphology and particle size by FESEM. ... 17 is the γ-phase of the Al–Mg alloy with a body-centred cubic α-Mn (Al 12 structure type). The γ-Al 12Mg 17 containing
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ball mill will study the powder form after the mixing and blending process that takes place, knowing the percentage of change that occurs. N OOR S AMI E T A L .
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2017年2月15日 The composition of alloy powders was 15 wt% Nb and 85 wt%W powders. Mechanical alloying was performed in a planetary ball mill by using a rotational speed of 400 r/min and a ball to powder ratio of 20:1 at room temperature. Tungsten carbide (WC) jar and tungsten carbide ball were used to prepare powder mixtures.
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