Effect of Milling Parameters and Cr Content on . Effect of Milling Parameters and Cr Content on Morphology and Solubility of Nanostructured Cu–Cr Solid Solutions The mixtures were processed in a ball mill with ball to powder ratio of 10:1 and the equal numbers of 1 and 2 cm balls The processed powder mixtures were investigated by scanning electron microscope, optical microscopic
2021-3-24 · The effect of milling time and speed on solid solubility of V in Al and grain refinement was studied. High-energy ball milling was used to produce Al-xV (x = 2, 5, and 10 at.%) alloys at milling speeds of 280 and 350 RPM. The ball-milling time was varied from 10 to 100 hours. The ball-milled alloys were consolidated under uniaxial pressure of 3GPa at room temperature.
2016-6-14 · 4.2.2 Determination of selection function parameters 54 4.3 Effect of ball size 55 4.3.1 Breakage rate as a function of ball size 55 4.3.2 Reduced selection function 56 4.4 Breakage distribution function 57 4.5 Significance of results (Interpretation) 60 4.6 Summary 61 Chapter 5 Effect of ball size distribution on milling kinetics 62
The aim of this study was to characterize the effects of high-energy ball milling on saquinavir solid-state characteristics and aqueous solubility for the design of effective buccal drug delivery systems. The solubility of saquinavir mesylate was evaluated in simulated saliva before and after milling
2016-8-3 · the ball milling effective to develop solid solubil ity of Cr to Fe powder because the high energy kinetics and the balls slugging the sample powder d uring ball milling process.The solid solubility when ball milling process is increased because the diffusion of the component atom increased. It is
2019-4-15 · Recent researches on ball-milling of chitosan are mainly focused on the optimization of process parameters to obtain finer powders, neglecting the changes of physicochemical and structural properties during the milling process. The aim of this study, therefore, was to investigate the effect of the ball-milling treatment on properties of
In the first-part, two excipients (HPMC and soluplus) were selected from seven, and the optimal ball-milling parameters of speed and time (18 Hz, 15 min) were determined based on solubility-enhancement and flow-ability criteria.
2012-1-1 · Thus, the limited solubility of saquinavir may be overcome using ball milling techniques and conditions to prepare solid dispersions with optimal surface area and porosity. In this study, solid dispersions of saquinavir mesylate (SQVM) were prepared by ball milling from 1 to 60 h in order to enhance its aqueous solubility and increase surface area.
Explore the latest full-text research PDFs, articles, conference papers, preprints and more on BALL MILLING. Find methods information, sources, references or conduct a literature review on BALL
2020-6-18 · Effect of ball milling treatment on the Zn electrode properties in Ni- Zn battery G. D. Ivanova1, solubility of the zincate ions is exceeded in the further improved given that the ball-milling parameters like time, material/ball ratio, and conductive additive are optimized [2]. Our previous work has shown that the active
2019-4-15 · Recent researches on ball-milling of chitosan are mainly focused on the optimization of process parameters to obtain finer powders, neglecting the changes of physicochemical and structural properties during the milling process. The aim of this study, therefore, was to investigate the effect of the ball-milling treatment on properties of
The aim of this study was to characterize the effects of high-energy ball milling on saquinavir solid-state characteristics and aqueous solubility for the design of effective buccal drug delivery systems. The solubility of saquinavir mesylate was evaluated in simulated saliva before and after milling
2016-6-14 · 4.2.2 Determination of selection function parameters 54 4.3 Effect of ball size 55 4.3.1 Breakage rate as a function of ball size 55 4.3.2 Reduced selection function 56 4.4 Breakage distribution function 57 4.5 Significance of results (Interpretation) 60 4.6 Summary 61 Chapter 5 Effect of ball size distribution on milling kinetics 62
In the first-part, two excipients (HPMC and soluplus) were selected from seven, and the optimal ball-milling parameters of speed and time (18 Hz, 15 min) were determined based on solubility-enhancement and flow-ability criteria.
2013-3-13 · In this study, chitosan flake was micronized in a ball mill to make fine powder. The effects of the milling on properties of chitosan, such as particle size, molecular parameters, bulk density, cry...
2017-3-3 · Drug solubility Fluid energy milling Ball milling Media milling High pressure homogenization Cryomilling abstract Milling involves the application of mechanical energy to physically break down coarse particles to finer ones and is regarded as a “topedown” approach in the production of fine particles.
Ball milling: a green technology for the preparation and functionalisation of nanocellulose derivatives. Carmen C. Piras a, Susana Fernández-Prieto b and Wim M. De Borggraeve * a a Molecular Design and Synthesis, Department of Chemistry, KU Leuven University of Leuven, Celestijnenlaan 200F, Box 2404, B-3001 Leuven, Belgium.
2018-12-11 · processed into fine powder using ball milling technique with varying milling time (0, 6, 10, and 13) hour. Microstructure of the sample was then analyzed to obtain information regarding phase formation, functional groups, grain surface morphology, surface area, pore volume, solubility, and ionic conductivity. The analysis shown that LiBOB and LiBOB
2019-11-20 · Unique properties and potential applications of 2D materials draw much attention for mass production of thin-layer 2D materials. Ball milling exfoliation of 2D materials has been rarely used, in spite of a promising dry phase production method, because of the superficial information in the mechanism and the effect of the operating parameters on the yield, size and thickness.
Copyright © 2019 Peter&X Industry & Technology Group Co., Ltd. | sitemap