It was found that during ball milling, crystallization occurs in the amorphous ribbon sample with precipitation of an {alpha}-Fe solid solution, and the amorphous sample crystallizes completely into a single {alpha}-Fe nanostructure (rather than {alpha}-Fe and borides as in the usual thermal crystallization products) when the milling time
Ball milling induced crystallization of amorphous Fe 90Zr 10 Article in Materials Science and Engineering A 449:1079-1082 · March 2007 with 4 Reads How we measure 'reads'
The results show that metal heteroatoms have an inorganic structure-directing effect in the synthesis of LAU molecular sieves. The ball milling-recrystallization method not only greatly shortens the crystallization time, but also converts the 2D layered aluminophosphates into a 3D molecular sieve under solvent-free conditions.
This stone investigates the effect of milling atmospheres on mechanical crystallization of an amorphous Fe 78 Si 9 B 13 alloy during ball milling. Under an air atmosphere, the amorphous alloy completely transforms into a single α-Fe(Si) phase after milling of 30 h. The crystallization process and products are different from those of thermal crystallization and milling induced crystallization
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 of Sciences, P.O. Box 49, 1525 Budapest, Hungary
The process of mechanical milling of amorphous precursors can be used to produce bulk quantities of material with fine crystalline nanostructures. Here, the process and the factors which influence
Ball milling of graphite with appropriate stabilizers is another mode of exfoliation in liquid phase. 21 Graphite is ground under high sheer rates with millimeter-sized metal balls causing exfoliation to graphene (Fig. 2.5), under wet or dry conditions.For instance, this method can be employed to produce nearly 50 g of graphene in the absence of any oxidant. 22 Graphite (50 g) was ground in
Samples of ball milled cellulose were prepared by ball milling pulps from eucalyptus and softwood (spruce/pine). Water sorption isotherms were obtained by both dynamic vapor sorption and
The presence of water of crystallization did not change the phase behavior of the binary DES, which had a eutectic melting temperature of 35–36 °C. Betaine anhydrate and acetylsalicylic acid formed a co-crystal after ball milling for 5 min with a melting temperature of 78 °C.
Cold-crystallization of Poly(ether-ether-ketone) amorphized by ball milling Article in Materials Research Bulletin 36(9):1665-1673 · July 2001 with 124 Reads How we measure 'reads'
A combined study of crystallinity index (CI), degree of polymerisation (DP) and thermal stability of cellulose was carried out for monitoring the effect of ball-milling. DP and CI are two fundamental quantities that describe the physico-chemical behaviour of cellulose. Milling is a common strategy to reduce cellulose crystallinity.
Nanocrystalline materials prepared through crystallization by ball milling Nanocrystalline materials prepared through crystallization by ball milling Giri, Anit K. 1997-02-01 00:00:00 By Anit K. Giri* 1. Introduction Particles of any material having dimensions of the order of 10 nm are usually referred to as nanocrystalline materials.
Phase transformation induced by ball-milling was studied in this work. It was found that amorphous Fe90Zr10 ribbons undergo crystallization into BCC α-Fe(Zr) under milling in an AGO-2 mill. The decomposition degree of the amorphous phase increased with increasing milling time and intensity. Analyses of samples milled at different speeds suggested that the observed crystallization is a
This stone investigates the effect of milling atmospheres on mechanical crystallization of an amorphous Fe 78 Si 9 B 13 alloy during ball milling. Under an air atmosphere, the amorphous alloy completely transforms into a single α-Fe(Si) phase after milling of 30 h. The crystallization process and products are different from those of thermal crystallization and milling induced crystallization
The process of mechanical milling of amorphous precursors can be used to produce bulk quantities of material with fine crystalline nanostructures. Here, the process and the factors which influence
2019-4-9 · Non-isothermal crystallization kinetics of polyethylene–clay nanocomposites prepared by high-energy ball milling MARYAM ABARESHI1,*, SEYED MOJTABA ZEBARJAD2 and ELAHEH K GOHARSHADI3,4 1Chemistry Department, Payame Noor University, 19395-3697 Tehran, Iran
It was found that during ball milling, crystallization occurs in the amorphous ribbon sample with precipitation of an {alpha}-Fe solid solution, and the amorphous sample crystallizes completely into a single {alpha}-Fe nanostructure (rather than {alpha}-Fe and borides as in the usual thermal crystallization products) when the milling time
2020-7-7 · High-energy ball milling was used to synthesize aluminum-based alloys containing amorphous and nanocrystalline phases to investigate the compositional effects of transition metals (TM) on the amorphization and crystallization processes of the ball-milled Al{sub 85}Y{sub 7}Fe{sub 5}TM{sub 3} alloys (TM = Ni, Co, Cu, and Fe) were investigated.
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