Abrasive Grains Micro Geometry: A Comparison between Two Acquisition Methods

Micro Cutting Simulation of Abrasive Grains in the Grinding Process

In the current work we present approach to study the mechanism of the cutting of abrasive grains in the grinding wheel using finite element analysis (FEA). The simulation process is done by separating two abrasive grains from the grinding wheels and the microprocess of material removal in the case of surface grinding is simulated. Modelling was done on the workpiece steel S-7 and material grain...

A Comparison of the Postoperative Complications between Two Drainage Methods after Total Knee Arthroplasty

Background: The role of wound drainage after total knee arthroplasty is still considered controversial as althoughclosed drainage systems have been believed to be effective in decreasing the post-operative complications, they couldalso facilitate the bleeding and increase the rate of transfusion and infection. We have conducted the current study tocompare the outcomes superficial subcutaneous, ...

Deficit irrigation for corn: a comparison of two methods

Cellular Automata Modelling of Micro Abrasive Machining

This paper presents the use of Cellular Automata (CA) for modelling micro abrasive machining. A onedimensional CA was initially used to model the workpiece, as having different heights, to represent the roughness; and the forces from the abrasive grits were modelled to randomly erode the workpiece, as such smoothening out and polishing the surface. The modelling was then extended further to two...

Abrasive Flow Polishing of Micro Bores

This report shares the feasibility study results of abrasive flow polishing of microbores of size φ500 μm or smaller and 25∼50 in aspect ratio for both metal and ceramic materials. A polishing device was designed and built up so as to create enough turbulence for facilitating the polishing at the inner walls of the micro-bore. Polishing of micro-bores on 3 materials: S45C, SS304 and Zr2O3 of le...