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Simple Construction of Amorphous Monometallic ,

22-03-2021· Simple Construction of Amorphous Monometallic Cobalt-Based Selenite Nanoparticles using Ball Milling for Highly Efficient Oxygen Evolution Reaction Ling-Li Zhou , International Joint Research Center for Photoresponsive Molecules and Materials, School of Chemical and Material Engineering, Jiangnan University, Lihu Street 1800, Wuxi, 214122 P R China...

Amorphous and nanocrystalline Fe–Ti prepared by ball milling

Amorphous and nanocrystalline Fe–Ti prepared by ball milling - Volume 8 Issue 12 Skip to main content Accessibility help We use cookies to distinguish you from other users and to provide you with a better experience on our websit...

Amorphous and nanocrystalline Fe-Ti prepared by ball milling

ball-milled amorphous powders, while Yavari et al9 showed that oxygen actually enhances amorphization kinetics in Ni-Zr multilayers Thus, different levels of oxygen during milling could explain, at least in part, the differences in reaction products found by the various groups Unfortunately, oxygen contents were not measured in most cas...

Ball milling: a green technology for the preparation and ,

Ball milling: a green technology for the preparation and functionalisation of nanocellulose derivativ 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...

Rapid mechanochemical synthesis of amorphous alloys: AIP ,

04-04-2017· A rapid method for preparing amorphous alloys has been developed utilizing a SPEX high energy ball mill Parameters such as ball size, mass of balls and milling time, were systematically optimized to prepare amorphous alloys quickly Amorphous alloys previously not thought possible to synthesize by means of SPEX milling were made amorphous by the new method...

Influence of mechanical alloying on the particle size ,

Ball Milling - an overview | ScienceDirect Topics...

Application of the combination of ball-milling and hot ,

Application of the combination of ball-milling and hot-melt extrusion in the development of an amorphous solid dispersion of a poorly water-soluble drug with high melting point Wenling Fan * abc , Wenjing Zhu ab , Xinyi Zhang ab , Yan Xu ab and Liuqing Di ab a Laboratory of Pharmaceutical Engineering, College of Pharmacy, Nanjing University of Chinese Medicine, Nanjing 210023, China...

Crystal-amorphous phase transition induced by ball-milling ,

the first time we report on the crystal-amorphous phase transition induced by ball-milling in a pure element: a silicon powder The morphological, structural and thermal stability of the ball ....

Study of Amorphous Compounds Obtained by Ball Milling in ,

Amorphous Compounds Obtained by Ball Milling in Si – C – O System 371 Fig 2 XRD patterns of (a) the mixture X 1 , (b) the mixture X 2 , and (c) the mixture X 3 with increasing dose D ...

Amorphous and nanocrystalline Fe–Ti prepared by ball milling

Amorphous and nanocrystalline Fe–Ti prepared by ball milling - Volume 8 Issue 12 Skip to main content Accessibility help We use cookies to distinguish you from other users and to provide you with a better experience on our websit...

Application of the combination of ball-milling and hot ,

The prime objective was to prepare an amorphous solid dispersion through the co-processing of ball milling and hot melt extrusion First, the reformulation studies of the drug and polymer were researched Then, solid dispersion systems were prepared by hot melt extrusion and the method combining ball milling and hot melt extrusion...

Ball milling: a green technology for the preparation and ,

Ball milling: a green technology for the preparation and functionalisation of nanocellulose derivativ 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...

Simple Construction of Amorphous Monometallic Cobalt‐Based ,

22-03-2021· Simple Construction of Amorphous Monometallic Cobalt-Based Selenite Nanoparticles using Ball Milling for Highly Efficient Oxygen Evolution Reaction Ling-Li Zhou , International Joint Research Center for Photoresponsive Molecules and Materials, School of Chemical and Material Engineering, Jiangnan University, Lihu Street 1800, Wuxi, 214122 P R China...

Simple Construction of Amorphous Monometallic ,

22-03-2021· Ball Milling Synthesis: An amorphous monometallic cobalt-based selenite nanoparticle was obtained via a simple ball milling method for OER, exhibiting highly efficient performance owing to its unique composition and structure, especially, the transition from crystalline to amorphous could regulate its electronic structure and increase its electro-active sites, providing an efficient method to ....

Application of the combination of ball-milling and hot ,

The prime objective was to prepare an amorphous solid dispersion through the co-processing of ball milling and hot melt extrusion First, the reformulation studies of the drug and polymer were researched Then, solid dispersion systems were prepared by hot melt extrusion and the method combining ball milling and hot melt extrusion...

Application of the combination of ball-milling and hot ,

17-07-2019· The aim of the study was to develop an amorphous solid dispersion of a poorly water-soluble drug with high melting point by ball milling and hot melt extrusion as a co-processing method Solid dispersion systems were prepared by ball milling-hot melt extrusion and then compared with those prepared with hot melt ext...

Application of the combination of ball-milling and hot ,

The prime objective was to prepare an amorphous solid dispersion through the co-processing of ball milling and hot melt extrusion First, the reformulation studies of the drug and polymer were researched Then, solid dispersion systems were prepared by hot melt extrusion and the method combining ball milling and hot melt extrusion...

Amorphous and nanocrystalline Fe-Ti prepared by ball milling

ball-milled amorphous powders, while Yavari et al9 showed that oxygen actually enhances amorphization kinetics in Ni-Zr multilayers Thus, different levels of oxygen during milling could explain, at least in part, the differences in reaction products found by the various groups Unfortunately, oxygen contents were not measured in most cas...

Effects of ball milling on the structure of cotton ,

17-01-2019· An early experiment with ball milling reduced the cotton sample to the amorphous state in 30 min (our similar ball milling system is slower) (Forziati et al 1950 ) Subsequently, Segal et al ( 1959) developed a crystallinity index (Fig 1) to indicate the fraction of crystalline material in the sample...

Study of Amorphous Compounds Obtained by Ball Milling in ,

Amorphous Compounds Obtained by Ball Milling in Si – C – O System 371 Fig 2 XRD patterns of (a) the mixture X 1 , (b) the mixture X 2 , and (c) the mixture X 3 with increasing dose D ...

Simple Construction of Amorphous Monometallic ,

22-03-2021· Simple Construction of Amorphous Monometallic Cobalt-Based Selenite Nanoparticles using Ball Milling for Highly Efficient Oxygen Evolution Reaction Ling-Li Zhou , International Joint Research Center for Photoresponsive Molecules and Materials, School of Chemical and Material Engineering, Jiangnan University, Lihu Street 1800, Wuxi, 214122 P R China...

Mechanical Milling: a Top Down Approach for the Synthesis ,

03-02-2012· First the amorphous boron powder was ball milling for 150 h at room temperature in ammonia gas and then annealed in NH 3 gas at 1200℃ for 8 h Figure 12a is the SEM images of as obtained milled powder and Figure 12b, reveals a large number of thin fibers from the surface of the aggregates/clusters...

Crystal-amorphous phase transition induced by ball-milling ,

the first time we report on the crystal-amorphous phase transition induced by ball-milling in a pure element: a silicon powder The morphological, structural and thermal stability of the ball ....

Improved cellulose X-ray diffraction analysis using ,

24-05-2020· Abstract This paper addresses two fundamental issues in the peak deconvolution method of cellulose XRD data analysis: there is no standard model for amorphous cellulose and common peak functions such as Gauss, Lorentz and Voigt functions do not fit the amorphous profile well It first examines the effects of ball milling on three types of cellulose and results show that ball milling ,...

Effect of ball milling on the physicochemical properties ,

Objectives: The purposes of this study were to clarify the amorphization by ball milling of atorvastatin calcium sesquihydrate (AT) and to analyse the change in dissolution kinetics Methods: The amorphous AT was prepared from crystal AT by ball milling and analysed in terms of the changes of its physicochemical properties by powder X-ray diffraction analysis (XRD), thermal analysis and ....

Application of the combination of ball-milling and hot ,

17-07-2019· The aim of the study was to develop an amorphous solid dispersion of a poorly water-soluble drug with high melting point by ball milling and hot melt extrusion as a co-processing method Solid dispersion systems were prepared by ball milling-hot melt extrusion and then compared with those prepared with hot melt ext...

Amorphous and nanocrystalline Fe-Ti prepared by ball milling

ball-milled amorphous powders, while Yavari et al9 showed that oxygen actually enhances amorphization kinetics in Ni-Zr multilayers Thus, different levels of oxygen during milling could explain, at least in part, the differences in reaction products found by the various groups Unfortunately, oxygen contents were not measured in most cas...

Effects of ball milling on the structure of cotton ,

17-01-2019· An early experiment with ball milling reduced the cotton sample to the amorphous state in 30 min (our similar ball milling system is slower) (Forziati et al 1950 ) Subsequently, Segal et al ( 1959) developed a crystallinity index (Fig 1) to indicate the fraction of crystalline material in the sample...

Ball milling of Fe83Zr6B10Cu1 amorphous alloy containing ,

Abstract A Fe83B10Zr6Cu1 melt-spun amorphous alloy has been ball milled in the presence of partially crystalline ribbon pieces, in order to speed up its mechanical nanocrystallization process Microstructure and magnetic properties of the resulting powder were studied as a function of the milling time A continuous increase of the crystalline fraction of α-Fe was observed after pulverization ....

Formation of amorphous state by ball milling and ,

05-04-2020· Formation of amorphous state by ball milling and mechanical crystallization in Al-Ti-Ni alloy system É Fazakas1,2, A Erős2, Á Csanády2, G Gulyás1, P Kamasa1 and L K Varga1 1Research Inst Solid State Phys and Optics, Hungarian Academy ,...