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].
WhatsAppGet PriceGet A Quote
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.
WhatsAppGet PriceGet A Quote
2013111· The results indicate that the process control agent significantly affects (84% contribution) the mean particle size (d50) while other parameters have a lower effect (16% contribution). The developed model can be used in the mechanical milling processes in order to determine the optimum milling parameters for minimum particle size.
WhatsAppGet PriceGet A Quote
Powder mixtures with the composition of Nb-20Ti-15Si-5Cr-3Hf-3Al (at.%) were mechanically milled in a planetary ball mill. Normal hexane (5 mass%), methyl alcohol (5 mass%) and different amount of stearic acid (0.625, 1.25, 2.5 and 5 mass%) were used respectively as the process control agent (PCA). The effects of the type and amount of PCAs on the mechanical alloying …
WhatsAppGet PriceGet A Quote
11· Abstract 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.
WhatsAppGet PriceGet A Quote
325· Powder mixtures with the composition of Nb-20Ti-15Si-5Cr-3Hf-3Al (at.%) were mechanically milled in a planetary ball mill. Normal hexane (5 mass%), methyl alcohol (5 mass%) and different amount of stearic acid (0.625, 1.25, 2.5 and 5 mass%) were used respectively as the process control agent (PCA). The effects of the type and amount of PCAs on the mechanical …
WhatsAppGet PriceGet A Quote
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].
WhatsAppGet PriceGet A Quote
920· Effects of Process Control Agent Amount, Milling Time, and Annealing Heat Treatment on the Microstructure of AlCrCuFeNi High-Entropy Alloy Synthesized through Mechanical Alloying
WhatsAppGet PriceGet A Quote
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
WhatsAppGet PriceGet A Quote
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, …
WhatsAppGet PriceGet A Quote
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.
WhatsAppGet PriceGet A Quote
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
WhatsAppGet PriceGet A Quote
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].
WhatsAppGet PriceGet A Quote
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 …
WhatsAppGet PriceGet A Quote
201941· Process control agent, PCA, used in MA by ball milling can considerably influence the powder morphology and particle size, thereby affecting their densification behaviour [[10], …
WhatsAppGet PriceGet A Quote
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 …
WhatsAppGet PriceGet A Quote
91· Using a mechanical alloying process, the effect of parameters—process control agent (PCA) type and amount, and milling speed and time—on solid-solution onset and GPS of a model HEA (AlCoCrFe) is systematically investigated.
WhatsAppGet PriceGet A Quote
Effects of interfacial interactions between metal and process control agents during ball milling on the microstructure of the milled Fe-based nanocrystalline alloy powder Satoshi Motozuka, Hisashi
WhatsAppGet PriceGet A Quote
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].
WhatsAppGet PriceGet A Quote
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. …
WhatsAppGet PriceGet A Quote
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; …
WhatsAppGet PriceGet A Quote
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 …
WhatsAppGet PriceGet A Quote
The invention provides a preparation method of ball milling process control agents. The preparation method comprises the following steps that 1, sodium stearate is added into deionized water to be stirred, then, the solution passes through a filter screen being 100 meshes to 120 meshes, and base solution is obtained; and 2, alkyl naphthalene sulfonate, alkylphenol …
WhatsAppGet PriceGet A Quote
819· Fe–Si–B–P–Cu nanocrystalline alloy were treated with ball-mill using a lubricant as a process control agent (PCA). The resulting alloy powder is a strong candidate material for soft magnetic composites. Two ball milling methods (continuous and interval) were employed to control the interactions between the PCA and the alloy surface, and their effect on the …
WhatsAppGet PriceGet A Quote
920· In addition, effects of Process Control Agent (PCA) amount and milling time were investigated using X-ray diffraction analysis (XRD), scanning …
WhatsAppGet PriceGet A Quote
51· Ruiz-Esparza-Rodríguez et al. [32] reported the effects of Al content and process control agents on the phase stability and synthesis of mechanically alloyed AlxCoCrFeMnNi. Different milling types resulted in the changes of particle size …
WhatsAppGet PriceGet A Quote
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 …
WhatsAppGet PriceGet A Quote
In addition, this process includes repeated cold welding, fracturing and rewelding of powder particles in a high-energy ball mill, resulting in the formation of alloy phases. Cold welding and fracturing are the main events occurred during this process.
WhatsAppGet PriceGet A Quote
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 …
WhatsAppGet PriceGet A Quote
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, …
WhatsAppGet PriceGet A Quote
SMESME is a trust-worthy supplier of industrial crushing, powder grinding, mineral processing equipment and other related devices.
No. 1688, East Gaoke Road, Pudong new district, Shanghai, China
