Wear of abrasive media and its effect on abrasive flow machining results

被引:59
作者
Bremerstein, Tina [1 ]
Potthoff, Annegret [1 ]
Michaelis, Alexander [1 ]
Schmiedel, Christian [2 ]
Uhlmann, Eckart [2 ]
Blug, Bernhard [3 ]
Amann, Tobias [3 ]
机构
[1] Fraunhofer IKTS, D-01277 Dresden, Germany
[2] Fraunhofer IPK, D-10587 Berlin, Germany
[3] Fraunhofer IWM, D-79108 Freiburg, Germany
关键词
Abrasive flow machining; Abrasion; Wear; Rheology; Particle shape; Steel; RHEOLOGICAL CHARACTERIZATION; PERFORMANCE;
D O I
10.1016/j.wear.2015.08.013
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
Abrasive media were examined before and after application in abrasive flow machining to evaluate the wear of media due to the machining process. Both media were tested on workpieces under the same working conditions to study the effect of abrasive media wear on the results of the machining process. With the help of rheological and granulometric characterisation methods, it has been shown that alterations of rheological behaviour and composition of the abrasive medium as well as particle shape and size are responsible for the degradation of the abrasive efficiency. The increasing viscosity of the abrasive medium and progressing rounding of the large abrasive particles as a result of the machining process are the main factors that cause a decreased material removal rate and reduced surface quality. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:44 / 51
页数:8
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