نتایج جستجو برای: ball milling

تعداد نتایج: 33931  

Journal: :International Journal of Hydrogen Energy 2021

Journal: :Materials Science-Poland 2015

Although Cu and Fe are immiscible under equilibrium conditions, they can form supersaturated solid solutions by mechanical alloying. In this paper, nano-structured of the metastable Cu-Fe phase containing 10, 15, 20 and 25% wt Fe were synthesized by intensive ball milling for 15h, in order to achieve a solid solution of Fe in Cu. The phase composition, dissolution of the Fe atoms into the Cu ma...

2013
Wen-Tien Tsai

In this work, a planetary ball milling was used to modify the surface properties of calcite-based material from waste oyster shell under the rotational speed of 200-600 rpm, grinding time of 5-180 min and sample mass of 1-10 g. The milling significantly changed the microstructural properties of the calcite-based minerals (i.e., surface area, pore volume, true density, and porosity). The surface...

2008
C. A. Martínez-Pérez M. García-Guaderrama

A comparative study was carried out for an alloy of Al50(Ni75Mo25)50 processed by two different high energy ball mills. A SPEX and Simoloyer mill were used. The milled products were characterized using X-Ray Diffraction and Scanning Electron Microscopy. A different morphology and microstructural evolution were found with each mill used. It was evident that prolonged milling time induced the for...

Journal: :Green Chemistry 2023

The bulk solvent-free synthesis of cyclopropanes via a ball-milling-enabled Simmons–Smith reaction is herein described.

Journal: :Applied sciences 2022

This review is focused on the topical developments in synthesis of nanocomposites using simplest top-down approach, mechanochemical milling, and related aspects interfacial interactions. Milling constraints include time duration ball size, ball-to-sample content proportion, rotation speed, energy that took part a vital structure–property relationships composite Milled are being used different s...

Journal: :Journal of the Society of Materials Science, Japan 1971

Journal: :Journal of Manufacturing Science and Engineering 1998

Journal: :Journal of the Society of Materials Science, Japan 1986

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