An investigation of the effect of powder on the impact characteristics between a ball and a plate using free falling experiments

Huang, H, Dallimore, MP, Pan, J and McCormick, PG (1998) An investigation of the effect of powder on the impact characteristics between a ball and a plate using free falling experiments. Materials Science And Engineering A-structural Materials Properties Microstructure And Processing, 241 1-2: 38-47.


Author Huang, H
Dallimore, MP
Pan, J
McCormick, PG
Title An investigation of the effect of powder on the impact characteristics between a ball and a plate using free falling experiments
Journal name Materials Science And Engineering A-structural Materials Properties Microstructure And Processing   Check publisher's open access policy
ISSN 0921-5093
Publication date 1998-01
Sub-type Article (original research)
DOI 10.1016/S0921-5093(97)00470-X
Volume 241
Issue 1-2
Start page 38
End page 47
Total pages 10
Place of publication Switzerland
Publisher Elsevier S.A.
Language eng
Abstract The study of the mechanisms of mechanical alloying requires knowledge of the impact characteristics between the ball and vial in the presence of milling powders. In this paper, foe falling experiments have br cn used to investigate the characteristics of impact events involved in mechanical milling. The effects of milling conditions, including impact velocity, ball size and powder thickness. on the coefficient of restitution and impact force are studied. It is found that the powder has a significant influence on the impact process due to its porous structure. This effect can be demonstrated using a modified Kelvin model. This study also confirms that the impact force is a relevant parameter for characterising the impact event due to its sensitivity to the milling conditions. (C) 1998 Elsevier Science S.A.
Keyword Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Mechanical Alloying
Microstructure
Milling
Mathematical Treatment
Force
Physics
Deformation
Prediction
System
Mill
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mechanical & Mining Engineering Publications
 
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