3D modeling of turning of Ti-6Al-4V titanium alloy using a constitutive model considering the state of stress

IF 2.7 4区工程技术 Q2 ENGINEERING, MANUFACTURING

Machining Science and Technology Pub Date : 2023-07-04 DOI:10.1080/10910344.2023.2241140

W. Cheng, J. Outeiro, J. Costes, Habib Karouni, T. Dorlin, R. M'Saoubi

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引用次数: 0

Abstract

Abstract For decades many models of orthogonal cutting have been developed with limited practical application. In the scope of Industry 4.0, a need is felt to develop models of practical machining operations, like turning, milling, and drilling. This research work contributes for the development of reliable 3D models of practical machining operations by proposing a model of turning using a constitutive model considering the effects of the state of stress and strain-rate on the elasto-viscoplastic and damage behaviors of Ti-6Al-4V alloy. The accuracy of the 3D turning model was evaluated by comparing the predicted machining outcomes (forces, chip thickness, residual stresses, and thickness of strain-hardened layer) with those obtained experimentally. The model can predict quite well the cutting force but underestimate the feed force. The predicted residual stresses match reasonably well the experimental ones in both circumferential and axial direction, and the simulated thicknesses of strain hardened layer were close to the experimental ones. ANOVA permitted to investigate the influence of the cutting conditions on the thermomechanical phenomena and surface integrity. Suggestions to improve 3D models of practical machining operations are proposed.

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考虑应力状态的Ti-6Al-4V钛合金车削本构模型的三维建模

摘要几十年来，人们开发了许多正交切削模型，但实际应用有限。在工业4.0的范围内，人们认为有必要开发实际加工操作的模型，如车削、铣削和钻孔。本研究工作通过使用本构模型提出车削模型，考虑应力状态和应变速率对Ti-6Al-4V合金弹粘塑性和损伤行为的影响，为开发实际加工操作的可靠三维模型做出了贡献。通过将预测的加工结果（力、切屑厚度、残余应力和应变硬化层厚度）与实验结果进行比较，评估了3D车削模型的准确性。该模型可以很好地预测切削力，但低估了进给力。预测的残余应力在周向和轴向上与实验结果吻合良好，模拟的应变硬化层厚度与实验结果接近。ANOVA允许研究切削条件对热机械现象和表面完整性的影响。提出了改进实际加工操作三维模型的建议。

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来源期刊

Machining Science and Technology 工程技术-材料科学：综合

CiteScore

5.70

自引率

3.70%

发文量

审稿时长

6 months

期刊介绍： Machining Science and Technology publishes original scientific and technical papers and review articles on topics related to traditional and nontraditional machining processes performed on all materials—metals and advanced alloys, polymers, ceramics, composites, and biomaterials. Topics covered include: -machining performance of all materials, including lightweight materials- coated and special cutting tools: design and machining performance evaluation- predictive models for machining performance and optimization, including machining dynamics- measurement and analysis of machined surfaces- sustainable machining: dry, near-dry, or Minimum Quantity Lubrication (MQL) and cryogenic machining processes precision and micro/nano machining- design and implementation of in-process sensors for monitoring and control of machining performance- surface integrity in machining processes, including detection and characterization of machining damage- new and advanced abrasive machining processes: design and performance analysis- cutting fluids and special coolants/lubricants- nontraditional and hybrid machining processes, including EDM, ECM, laser and plasma-assisted machining, waterjet and abrasive waterjet machining

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