NDLI: Study on strengthened layer of workpiece in prestress dry grinding

Content Provider	Springer Nature Link
Author	Yushi, Wang Shichao, Xiu Le, Dong Cong, Sun
Copyright Year	2016
Abstract	The prestress dry grinding which combines with prestress grinding and surface strengthening is an innovative approach to substitute conventional grinding process. The residual stress and the thickness of strengthened layer have an important effect on surface performance of workpiece. In order to analyze the effect mechanisms of prestress on residual stress and thickness of strengthened layer, experiment and simulation are carried on for 45 steel. The result of prestress dry grinding experiment shows that the grains in the strengthened layer are refined with increase of prestress. The thickness of strengthened layer tends to decrease first and then increase with increase of prestress. The simulation model of temperature field is created. The effect of temperature field on the thickness of strengthened layer and different grinding parameters especially the prestress on temperature field are analyzed. Then, the relationship between prestress and residual stress on different directions are analyzed. The variation curve of residual stress shows that tensile residual stress can transform to compressive residual stress on the surface of workpiece by controlling the prestress. Besides, compressive residual stress increase first and then decrease with the increase of depth.
Starting Page	1225
Ending Page	1233
Page Count	9
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	90
Issue Number	5-8
e-ISSN	14333015
Language	English
Publisher	Springer London
Publisher Date	2016-09-20
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Prestress dry grinding Residual stress Thickness of strengthened layer Microstructure simulation of temperature field Industrial and Production Engineering Media Management Mechanical Engineering Computer-Aided Engineering (CAD, CAE) and Design
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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