In:
The Open Mechanical Engineering Journal, Bentham Science Publishers Ltd., Vol. 9, No. 1 ( 2015-9-30), p. 761-768
Kurzfassung:
The model of surface grinding with a nanoparticle jet flow of MQL was established. The surface grinding
thermal stress of three workpiece materials, namely, 45 Steel, 2Cr13, and nano-ZrO2 dental ceramic, were numerically simulated. Results show that dry grinding generates larger tensile stress, whereas MQL grinding generates larger
compressive stress. The finished surface of workpiece produces large tensile stress in grinding direction. With the increase of cutting depth, the time-related variation of thermal stress on finished surface slows down gradually. Residual stress is
inversely proportional to cutting depth. With the increase of cutting depth, the finished surface of workpiece is firstly dominated by large tensile stress, which decreases continuously until reaching the maximum compressive stress. Deeper
layer is less influenced by temperature field, manifested by smaller stress value and slight variation of the whole stress field.
Materialart:
Online-Ressource
ISSN:
1874-155X
DOI:
10.2174/1874155X01509010761
Sprache:
Englisch
Verlag:
Bentham Science Publishers Ltd.
Publikationsdatum:
2015
ZDB Id:
2395966-6
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