Structural change in graphite by mechanical milling

1998 ◽  
Vol 53 (3) ◽  
pp. 36
Keyword(s):  
Structural Change ◽  
Mechanical Milling

scholarly journals Lithium Ion Storage Characteristics of Mechanically Fractured Titanate Nanotubes

2012 ◽  
Vol 2012 ◽  
pp. 1-8
Author(s):  
Jeongeun Kim ◽  
Minyong Eom ◽  
Yongsub Yoon ◽  
Dongwook Shin
Keyword(s):  
Structural Change ◽  
Cross Sections ◽  
Mechanical Milling ◽  
Treatment Duration ◽  
Lithium Ion ◽  
Titanate Nanotubes ◽  
Titanate Nanotube ◽  
Ion Storage ◽  
Ion Intercalation ◽  
Storage Characteristics

The effect of mechanical milling on the formation of short titanate nanotube and structural change induced is investigated. Mechanical milling produces the short nanotubes with the length of 30–160 nm. The lithium ion intercalation characteristics of the obtained short titanate nanotube were studied to verify the effect of the newly formed cross-sections of nanotubes. It was found that the protonated titanate nanotubes maintained long shapes until 30 min of mechanical milling and were transformed into agglomerated nanosheets and finally anatase granules depending on the treatment duration. Through galvanostatic investigation, the nanotubes with milling of 15 min exhibited the highest discharge capacity of 336 mAh·g−1in first cycle, 12.4% larger than pristine.

scholarly journals Structural Change of Graphite by Mechanical Milling.

1996 ◽  
Vol 43 (6) ◽  
pp. 738-741 ◽  
Author(s):  
Kei Nagano ◽  
Hiroaki Wakayama ◽  
Yoshiaki Fukushima ◽  
Toshiharu Fukunaga ◽  
Uichiro Mizutani
Keyword(s):  
Structural Change ◽  
Mechanical Milling

Structural change of graphite subjected to mechanical milling

1998 ◽  
Vol 232-234 ◽  
pp. 416-420 ◽  
Author(s):  
Toshiharu Fukunaga ◽  
Kei Nagano ◽  
Uichiro Mizutani ◽  
Hiroaki Wakayama ◽  
Yoshiaki Fukushima
Keyword(s):  
Structural Change ◽  
Mechanical Milling

Electron Microscopy of Shock Loaded Polycrystalline Beryllium

1974 ◽  
Vol 32 ◽  
pp. 506-507 ◽  
Author(s):  
J. M. Galbraith ◽  
L. E. Murr ◽  
A. L. Stevens
Keyword(s):  
Electron Microscopy ◽  
Wave Propagation ◽  
Structural Change ◽  
Single Crystal ◽  
Diffraction Pattern ◽  
Shock Loading ◽  
Slip Systems ◽  
Compression Tests ◽  
X Ray Diffraction ◽  
X Ray

Uniaxial compression tests and hydrostatic tests at pressures up to 27 kbars have been performed to determine operating slip systems in single crystal and polycrystal1ine beryllium. A recent study has been made of wave propagation in single crystal beryllium by shock loading to selectively activate various slip systems, and this has been followed by a study of wave propagation and spallation in textured, polycrystal1ine beryllium. An alteration in the X-ray diffraction pattern has been noted after shock loading, but this alteration has not yet been correlated with any structural change occurring during shock loading of polycrystal1ine beryllium.This study is being conducted in an effort to characterize the effects of shock loading on textured, polycrystal1ine beryllium. Samples were fabricated from a billet of Kawecki-Berylco hot pressed HP-10 beryllium.

Women and Structural Change: New Perspectives

1998 ◽  
Vol 52 (1) ◽  
pp. 122-122
Author(s):  
Alaka M. Basu
Keyword(s):  
Structural Change

Productivity Growth, Structural Change and Informality: The Case of Russia

2015 ◽  
pp. 30-61 ◽  
Author(s):  
I. Voskoboynikov ◽  
V. Gimpelson
Keyword(s):  
Structural Change ◽  
Productivity Growth ◽  
Labour Productivity ◽  
Alternative Methods ◽  
Industry Effects ◽  
Labour Productivity Growth ◽  
Russian Economy ◽  
Negative Effect ◽  
Total Labour

This study considers the influence of structural change on aggregate labour productivity growth of the Russian economy. The term "structural change" refers to labour reallocation both between industries and between formal and informal segments within an industry. Using Russia KLEMS and official Rosstat data we decompose aggregate labour productivity growth into intra-industry (within) and between industry effects with four alternative methods of the shift-share analysis. All methods provide consistent results and demonstrate that total labour reallocation has been growth enhancing though the informality expansion has had a negative effect. As our study suggests, it is caused by growing variation in productivity levels across industries.

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