Results 71 to 80 of about 1,438,136 (241)

Compaction of amorphous iron–boron powder (abstract) [PDF]

Journal of Applied Physics, 1993
Large scale practical use of bulk amorphous alloys requires the capability of molding the material to a desired design, for instance by compaction of an amorphous powder. This is a difficult task because the sintering temperature is limited by the crystallization temperature of the alloy.1 Here we report on attempts to compact amorphous iron–boron ...
P. V. Hendriksen, S. Mo/rup, C. B. Koch, S. Linderoth, F. Bo/dker   +4 more
openaire   +1 more source

Explosive crystallization mechanism of ultradisperse amorphous films [PDF]

, 1999
The explosive crystallization of germanium ultradisperse amorphous films is studied experimentally. We show that crystallization may be initiated by local heating at the small film thickness but it realizes spontaneously at the large ones.
A.I Olemskoi, A.V Khomenko, Bak, Bak, Feder, Haken, Kurtze, Olemskoi, Olemskoi, Parzuski, Rammal, Risken, V.P Koverda   +12 more
core   +3 more sources

Multivariate Quantification of the Solid State Phase Composition of Co-Amorphous Naproxen-Indomethacin

Molecules, 2015
To benefit from the optimized dissolution properties of active pharmaceutical ingredients in their amorphous forms, co-amorphisation as a viable tool to stabilize these amorphous phases is of both academic and industrial interest.
Andreas Beyer, Holger Grohganz, Korbinian Löbmann, Thomas Rades, Claudia S. Leopold   +4 more
doaj   +1 more source

An Insight Analysis of Nano sized powder of Jackfruit Seed

, 2011
The preparation of biodegradable nanomaterials by blending starch nanocrystals with various polymer matrices are the most active research. This work reports aspect related to nano-sized particles of jackfruit seed.
Alagar, M., Theivasanthi, T.
core   +1 more source

Phase Transformation of Silicon and Silica During Ball Milling

Journal of Advanced Materials in Engineering, 2010
In the present study phase transformation of silicon and silica during milling in different atmospheres was investigated. The silicon powder was subjected to high energy ball milling in ammonia (25%) atmosphere.
M. Babashahi, M.H.Enayati, M. Salehi, A. Monshi   +3 more
doaj  

ESR of MnO embedded in silica nanoporous matrices with different topologies

, 2005
Electron spin resonance (ESR) experiments were performed with antiferromagnetic MnO confined within a porous vycor-type glass and within MCM-type channel matrices.
D. A. Kurdyukov, D. Arčon, D. Morineau, E. Dormann, I. V. Golosovsky, J. R. Pilbrow, J. Xu, K. Drager, P. Cevc, P. M. Richard, V. P. Sakhnenko, Y. A. Kumzerov, Z. Jagličič   +12 more
core   +1 more source

Building solids inside nano-space: from confined amorphous through confined solvate to confined ‘metastable’ polymorph [PDF]

, 2015
The nanocrystallisation of complex molecules inside mesoporous hosts and control over the resulting structure is a significant challenge. To date the largest organic molecule crystallised inside the nano-pores is a known pharmaceutical intermediate – ROY
Aceves-Hernandez, Alcoutlabi, Allen, Andronis, Andronis, Andronis, Andronis, Argyo, Babonneau, Beck, Beiner, Borka, Bradley, Carpentier, Charnay, Chen, Crowley, D. E. Braun, Dalal, David, Elmer, Etter, Guilbaud, Ha, Ha, Ha, Haller, Haller, Hamdi, Hamilton, Hamilton, Hamilton, Han, J. Tedder, Jackson, Jackson, Joshi, K. P. Nartowski, Karmwar, Kistenmacher, Kiwilsza, Kolodziejski, L. Fábián, Legendre, Limnell, Lohani, Lu, Lukens, Manzano, Manzano, Markvardsen, Masuda, Nassivera, Otsuka, Otsuka, Rengarajan, Sharma, Son, Stowell, Surwase, Ukmar, Ukmar, Ukmar, Vallet-Regi, Van Speybroeck, Wang, Y. Z. Khimyak, Yoshioka, Zhang, Zhao   +69 more
core   +1 more source

Polymer Nanocoating of Amorphous Drugs for Improving Stability, Dissolution, Powder Flow, and Tabletability: The Case of Chitosan-Coated Indomethacin

Molecular Pharmaceutics, 2019
As a result of its higher molecular mobility, the surface of an amorphous drug can grow crystals much more rapidly than the bulk, causing poor stability and slow dissolution of drug products.
Yuhui Li, Junguang Yu, Shenye Hu, Zhenxuan Chen, M. Sacchetti, Changquan Calvin Sun, Lian Yu   +6 more
semanticscholar   +1 more source

Effects of Nanosilica Powder from Rice Hull Ash on Seed Germination of Tomato (Lycopersicon esculentum) [PDF]

, 2015
open5noNanosilica powders were synthesized from rice hull ash (RHA) and their effects on seed germination of tomato plants were investigated. Synthesized nanosilica powder was subjected to various characterization studies for identification of the size ...
De Silva, Diana Marie, Engelbert, Peralta, Fajardo, Alvin., Maria Morissa Lu,, Milagros, Peralta   +4 more
core  

Production of Bulk Metallic Glasses by Severe Plastic Deformation

Metals, 2015
The aim of this study was to show the possibility to produce bulk metallic glass with severe plastic deformation. High pressure torsion was used to consolidate Zr-based metallic glass powder and deform it further to weld the powder particles together ...
Lisa Krämer, Karoline S. Kormout, Daria Setman, Yannick Champion, Reinhard Pippan   +4 more
doaj   +1 more source