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Numerical investigation of sequential cuts residual stress considering tool edge radius in machining of AISI 304 stainless steel

Zhuang, Kejia (author)
Wuhan University of Technology
Zhou, Shengqiang (author)
Wuhan University of Technology
Zou, Lingli (author)
Xiamen Golden Egret Special Alloy Corporation Limited
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Lin, Liangliang (author)
Xiamen Golden Egret Special Alloy Corporation Limited
Liu, Yang (author)
Lund University,Lunds universitet,Industriell Produktion,Institutionen för maskinvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Production and Materials Engineering,Department of Mechanical Engineering Sciences,Departments at LTH,Faculty of Engineering, LTH
Weng, Jian (author)
Wuhan University of Technology
Gao, Jinqiang (author)
Wuhan University of Technology
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 (creator_code:org_t)
Elsevier BV, 2022
2022
English.
In: Simulation Modelling Practice and Theory. - : Elsevier BV. - 1569-190X. ; 118
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Residual stress affects component performance, and the existence of pre-stress changes the residual stress of machined surfaces as well, emphasizing the importance of studying the evolution of residual stress in sequential cutting. This paper reports a numerical investigation of the machining-induced residual stress profile of sequential cuts for orthogonal cutting of AISI 304, considering the effects of edge radius and cutting depth. A Coupled Eulerian-Lagrangian (CEL) model is employed for the first time to stably simulate the evolution of residual stress of multiple sequential cuts. The effectiveness of the proposed method is verified by comparing the chip formation and surface residual stress between simulated and experimental results. The cutting force and cutting temperature, as well as mechanical and thermal loads, are extracted to explain the generation and evolution of residual stress in sequential cutting. It is found that the residual stress on the machined surfaces will decrease during sequential cutting, and a stable value can be reached after approximately six sequential cuts. With the progress of sequential cutting, a larger honed tool edge radius and cutting depth will lead to a slower reduction of residual stress.

Subject headings

TEKNIK OCH TEKNOLOGIER  -- Maskinteknik -- Teknisk mekanik (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Mechanical Engineering -- Applied Mechanics (hsv//eng)

Keyword

CEL model
Edge radius
Residual stress
Sequential cuts

Publication and Content Type

art (subject category)
ref (subject category)

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