The high-energy ball milling method was adopted to explore the influence of ball milling parameters, such as milling speed and additive amounts of process control agent (PCA) on tungsten powder
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Nano-silicon powder was prepared by mechanical ball milling using deionized water, n-hexane and absolute ethanol as process control agents. The effects of polar solvent and non-polar …
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2024121· These findings demonstrate that incorporating an appropriate amount of PCA during the ball milling process can effectively lubricate the milling interface and inhibit the powder agglomeration, thereby reducing particle size, and facilitating the formation of …
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We demonstarte the effect of varying Al-Zr chemistry on the morphology, microstructure, intermetallic reactions and ignition temperature of powders prepared using arrested reactive ball milling in hexane. Upon slow heating in Ar, 3Al:Zr, Al:Zr, and Al:3Zr (at.%) produces 19 ± 2.6 kJ/mol 22.0 ± 1.6 kJ/mol, and 14.0 ± 2.6 kJ/mol of heat respectively. When rapidly heated in …
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531· The study explores synthesis and reactivity of new reactive materials prepared by ball milling. High-energy ball milling became a ubiquitous mechano-chemical tool to …
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1115· The results showed that the vapor pressure, the polar nature of the different process control agents used, and type of milling (dry/wet) generating changes in the particle size distribution, microstructure, and crystalline structure since the use of PCA modifies the balance between the cold-welding and fracture processes.
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1115· The effect of ethanol as a process control agent (PCA) on the mechanical alloying (MA) of Fe-20 at. % Al powders is presented. MA was performed at room temperature in an oscillation ball mill and its dynamic was studied by changing the milling frequency and time. We characterized the milled powders using X-ray diffraction (XRD), Möss spectroscopy, …
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91· Effect of composition and process control agents on the microstructure and ignition properties of ball-milled Al-Zr powders
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2017925· A process control agent (PCA) has a significant effect on the milling process, and it influences the interface reaction and mechanical properties of the material being milled [19, 20].
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531· The study explores synthesis and reactivity of new reactive materials prepared by ball milling. High-energy ball milling became a ubiquitous mechano-chemical tool to manufacture diverse powders, from pharmaceuticals or foods to alloys to new solid rocket propellants. It enabled a dramatic expansion of the range of chemical compositions obtainable; …
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201371· Process variables in mechanical milling process such as milling time, milling speed, ball-to powder weight ratio and process control agent have effects on the final structure and morphology of the powders [5].
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111· PDF | Despite widespread use of liquid process control agents (PCA) during material processing via high-energy ball milling, their effect on the... | Find, read and cite all the research you need
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5 · However, this technique has disadvantages such as the lack of control during the solidification process, which can lead to the formation of heterogeneous microstructures. …
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11· Despite widespread use of liquid process control agents (PCA) during material processing via high-energy ball milling, their effect on the properties of the milled powders has not been quantified or understood.
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2013101· In this study, nanocrystalline Fe-45 wt% Ni alloy powders were prepared by mechanical alloying via high-energy ball milling. The effect of adding stearic acid as a process control agent (PCA) on the particle size, structure and magnetic properties of Fe-45 wt% Ni alloy powders have been studied by X-ray diffraction, scanning electron microscope and vibrating …
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201451· process control agents (PC As). An appropriate PCA is, however, chosen semi-empirically for any MC process such as ball-milling. In this study, …
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71· The ball milling process requires the use of a Process Control Agent (PCA) to prevent excessive agglomeration and to control the milling process [17, 18]. Organic PCAs such as stearic acid and ethylene-bis-stearamide (EBS) are commonly used in research and industry, with a concentration of PCA between 2 and 3 wt% found to be effective [14, 19].
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61· The various process parameters such as milling time, ball size, ball to powder ratio, and process control agent (PCA) strongly influence the final properties of mechanically alloyed powders [5].
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2024121· These findings demonstrate that incorporating an appropriate amount of PCA during the ball milling process can effectively lubricate the milling interface and inhibit the powder agglomeration, thereby reducing particle size, and facilitating the formation of …
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201541· Abstract Nano-sized TiC ceramic powders were fabricated by very high speed planetary ball milling, especially using coarse (micron-sized) starting powders with the help of process control agents, and their refinement behavior was investigated as a function of the milling time and ball size.
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31· Effect of process control agent on the structural and magnetic properties of nano/amorphous Fe0.7Nb0.1Zr0.1Ti0.1 powders prepared by high energy ball milling
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2011713· High-energy ball milling (HEM) with subsequent consolidation is a suitable method to create particle-reinforced aluminium materials. In addition to other parameters, the …
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81· Effects of interfacial interactions between metal and process control agents during ball milling on the microstructure of the milled Fe-based nanocrystalline alloy powder
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20151229· The effect and progress of MA are directly affected by the process parameters of ball milling. This article mainly summarizes the microstructural changes of W–Mo–Cr pre …
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The processing parameters, such as milling duration, ball-to-powder mass ratio (BPR), milling media size and material, among others, are varied to control the properties of the product.
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201371· Process variables in mechanical milling process such as milling time, milling speed, ball-to powder weight ratio and process control agent have effects on the final structure and morphology of the powders [5].
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