Results 51 to 60 of about 25,262 (279)

Experimental Isolation of Single Impact, Cumulative Energy, Aging, and Liquid‐Assisted Grinding Effects in Mechanochemical Reactions

Angewandte Chemie, EarlyView.
An experimental framework is introduced to isolate single‐impact and cumulative energy within a mechanochemical system. The guided, stepwise approach highlights the fundamental roles of impact events, post‐impact reactivity, and liquid‐assisted grinding additives in all‐solid mechanochemical reactions.
Johanna Templ, Lars Borchardt
wiley   +2 more sources

SYNTHESIS, CHARACTERIZATION AND HARDNESS STUDIES OF NANO RICE HUSK ASH REINFORCED AL6061 NANOCOMPOSITES [PDF]

Journal of Engineering Science and Technology, 2018
Rice husk ash is produced after combustion of rice husk, which is an industrial waste. Rice husk ash consists of 92% of SiO2. This paper describes the synthesis of completely combusted white coloured Nano Rice Husk Ash to nanoparticle size using ...
SUBRAHMANYAM VASAMSETTI, LINGARAJU DUMPALA, SUBBARAO V. V.   +2 more
doaj  

Grinding of Class-F fly ash using planetary ball mill: A simulation study to determine the breakage kinetics by direct- and back-calculation method

South African Journal of Chemical Engineering, 2017
Dry grinding of Class F fly ash (FA) was carried out using the planetary ball mill to obtain mechanically activated nanostructured FA particles. The resulting FA powders were characterized for (i) particle size: dynamic light scattering and sieve ...
Dilip K. Rajak, Atul Raj, Chandan Guria, Akhilendra K. Pathak   +3 more
doaj   +1 more source

Thermo-mechanical rice flour modification by planetary ball milling

LWT - Food Science and Technology, 2014
Abstract Planetary ball milling is presented as an alternative way to improve the native flour properties by physical modification. A grinding protocol was developed by combination of grinding and pause stages. The effect of rotational speed (450–650 rpm) and milling time (10–20 min) on flour properties were determined using RSM method. The effect of
Loubes, María Ana, Tolaba, Marcela Patricia   +1 more
openaire   +2 more sources

Multifunctional Tailoring of Fertilizer Composites Directly Derived From Phosphate Rock

Advanced Science, EarlyView.
A novel phosphorus‑sulfur mixed acid with urea (PSU) activation system converts low‑grade phosphate rock (LPR) into multifunctional fertilizer composites (MFCs). MFCs feature porous structures, high nutrient‑activation efficiency, superior slow‑release, and enhanced crop growth, offering a sustainable solution for integrated nutrient management and ...
Zenglian Qi, Jianchao Wang, Lulu Chen, Zhenya Lu, Guodong Wang, Hang Ma, Cuihong Hou, Xinxin Wang, Wenqi Ma, Changzhou Wei, Jianbo Shen, Fusuo Zhang, Minghao Zhuang, Chengdong Huang   +13 more
wiley   +1 more source

Passivation‐Induced Species Dynamics and Microstructural Evolution in Solid‐State Lithium–Sulfur Cathodes

Advanced Science, EarlyView.
The formation of insulating Li2S during discharge in solid‐state lithium–sulfur batteries passivate reaction sites and limits sulfur utilization. In this work, a microstructure‐resolved modeling framework coupling transport and reaction kinetics is developed to predict charge–discharge behavior and reveal particle‐scale species evolution and incomplete
Arpan K. Sharma, Bairav S. Vishnugopi, Elif Pınar Alsaç, Matthew T. McDowell, Partha P. Mukherjee   +4 more
wiley   +1 more source

Correlating particle size distribution and thermal decomposition of intensely ground limestone and dolostone with microstructure and structural changes [PDF]

Anais da Academia Brasileira de Ciências
An extensive investigation in limestone and dolostone ground in a planetary ball mill was achieved bearing in mind the different paths often observed in particle size reduction and agglomeration between these rocks and their increasing use in ultrafine ...
FILIPE B. MARINHO DE BARROS, ULYSSES P. DE HOLANDA PEREIRA, MARIA JÚLIA S. LUIS, PEDRO L. GUZZO   +3 more
doaj   +1 more source

Comparative Study of Nanostructured CuSe Semiconductor Synthesized in a Planetary and Vibratory Mill

Nanomaterials, 2020
Copper(II) selenide, CuSe was prepared from Cu and Se powders in a stoichiometric ratio by a rapid, and convenient one-step mechanochemical synthesis, after 5 and 10 min of milling in a planetary, and an industrial vibratory, mill.
Marcela Achimovičová, Matej Baláž, Vladimír Girman, Juraj Kurimský, Jaroslav Briančin, Erika Dutková, Katarína Gáborová   +6 more
doaj   +1 more source

Dilatometric research into the sintering processes of lithium ferrite with addition of ZrO2 [PDF]

, 2016
By means of dilatometry method, mechanisms of the sintering of lithium ferrite LiFe5O8 with theaddition of ZrO2 (1 and 2 wt%) have been examined. The samples were prepared by standard ceramictechnology.
Лысенко, Елена Николаевна, Николаева, С. А.   +1 more
core  

Thermoelectric properties of Co, Ir, and Os-Doped FeSi Alloys: Evidence for Strong Electron-Phonon Coupling

, 2011
The effects of various transition metal dopants on the electrical and thermal transport properties of Fe1-xMxSi alloys (M= Co, Ir, Os) are reported. The maximum thermoelectric figure of merit ZTmax is improved from 0.007 at 60 K for pure FeSi to ZT = 0 ...
Andrew F. May, Brian C. Sales, M. Pfisterer, Michael A. McGuire, Olivier Delaire, P. G. Klemens   +5 more
core   +1 more source