Microstructure Simulations for Orthogonal Cutting via a Cellular Automaton Model

被引：22
|
作者：
Shen, Ninggang [1 ]
Samanta, Avik [1 ]
Ding, Hongtao [1 ]
机构：
[1] Univ Iowa, Dept Mech & Ind Engn, Iowa City, IA 52242 USA
来源：
16TH CIRP CONFERENCE ON MODELLING OF MACHINING OPERATIONS (16TH CIRP CMMO) | 2017年 / 58卷
基金：
美国国家科学基金会;
关键词：
Cellular Automaton; Microstructure; Dynamic Recrystallization; Cutting; Severe Plastic Deformation; DYNAMIC RECRYSTALLIZATION; FLOW-STRESS; DEFORMATION; DRY; PREDICTION; EVOLUTION; ALUMINUM; ALLOY; AUSTENITE; BEHAVIOR;
D O I：
10.1016/j.procir.2017.03.264
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, a Cellular Automaton (CA) model is for the first time developed to predict material microstructure evolution during cutting processes. Prior to the CA simulation, the dynamic thermomechanical loadings of work material, Aluminum Alloy 1100, induced by various orthogonal cutting conditions are simulated by finite element-based cutting models. Evolution of dislocation density is modeled using the CA model in MATLAB for the work material subjected to these loading conditions. Multiple mechanisms of microstructure evolution are coupled in the CA model including severe plastic deformation, dynamic recovery, dynamic recrystallization, and thermally-driven grain growth. (C) 2017 The Authors. Published by Elsevier B.V.
引用
收藏
页码：543 / 548
页数：6
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