The Measurement of Abrasive Particle Shape and Its Effect on Wear

1985 ◽  
Vol 28 (2) ◽  
pp. 225-230 ◽  
Author(s):  
P. A. Swanson ◽  
A. F. Vetter
1996 ◽  
Vol 39 (4) ◽  
pp. 803-810 ◽  
Author(s):  
Michael G. Hamblin ◽  
Gwidon W. Stachowiak

Author(s):  
AVISHKAR RATHOD ◽  
S G SAPATE ◽  
R. K. KHATIRKAR

The engineering components are subjected to surface damage by slurry abrasion such as transportation pipes carrying ore and mineral slurries, extruders, sand pumps and agitators, Apart from stress, abrasive particle hardness, slurry concentration, particle size and shape significantly influences slurry abrasion rate. The effect of abrasive particle shape on slurry abrasion behaviour of steels and cast irons which are widely used for wear protection has not been studied. The particle shape assumes significant importance due to fracture and fragmentation of the particles during the process of abrasion. In the present work, the particle shape characterization of silica sand abrasive particles was carried by shape factor analysis using image analysis technique. An attempt was made to correlate the different measures of shape factor with particle size of abrasive particles over a wide range. The characterization of slurry abrasion tester was carried out using slurry abrasion tester with silica sand slurry. The effect of sliding distance on slurry abrasion volume of mild steel was studied. The volume loss increased linearly with sliding distance. The scanning electron microscopic observations of worn our surfaces showed micro-ploughing and cutting as mechanism of material removal.


2021 ◽  
Vol 193 ◽  
pp. 110420
Author(s):  
Yuhua Huang ◽  
Miaocao Wang ◽  
Jinming Li ◽  
Fulong Zhu

Author(s):  
Eaton E. Lattman ◽  
Thomas D. Grant ◽  
Edward H. Snell

In this chapter we note that solution scattering data can be divided into four regions. At zero scattering angle, the scattering provides information on molecular weight of the particle in solution. Beyond that, the scattering is influenced by the radius of gyration. As the scattering angle increases, the scattering is influenced by the particle shape, and finally by the interface with the particle and the solution. There are a number of important invariants that can be calculated directly from the data including molecular mass, radius of gyration, Porod invariant, particle volume, maximum particle dimension, particle surface area, correlation length, and volume of correlation. The meaning of these is described in turn along with their mathematical derivations.


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