The influence of the adiabatic heating coefficient on the near solidus forming process

IF 2.6 3区材料科学 Q2 ENGINEERING, MANUFACTURING

International Journal of Material Forming Pub Date : 2024-12-04 DOI:10.1007/s12289-024-01867-3

Muhammad Sajjad, Julen Agirre, Gorka Plata, Jokin Lozares, Joseba Mendiguren

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引用次数: 0

Abstract

The Near Solidus Forming (NSF) process represents a critical method for shaping metallic components under extreme temperature conditions. When metals deform plastically, significant amounts of heat can be generated, which is due to the conversion of plastic deformation energy in the material often known is adiabatic heating. In this study, the influence of the adiabatic heating coefficient (AHC) on temperature distribution and plastic strain during NSF process is investigated. For this purpose, three industrial benchmarks previously fabricated using NSF techniques are selected to serve as representative cases for analysis. To conduct the analysis, sensitivity studies is performed at two key temperatures: 1360 °C and 1370 °C. These temperatures are chosen to capture the range of operating conditions typically encountered in industrial NSF applications. The simulation tool FORGE NXT^® is utilized to investigate the potential effect of AHC on equivalent plastic strain (EPS). The range of potential AHC values considered is between 85% and 100%, as determined from a comprehensive literature survey. The study suggests that the AHC has a minimal effect on the deformation behaviour of 42CrMo4 steel at NSF condition for the studied benchmarks. The findings of this study provide the inside to the importance of AHC in the developing of a reliable Digital Twin (DT) for industrial NSF application.

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绝热加热系数对近固相成形过程的影响

近固相成形（NSF）工艺是在极端温度条件下成形金属部件的一种关键方法。当金属塑性变形时，可以产生大量的热量，这是由于材料中塑性变形能量的转换通常被称为绝热加热。本文研究了非核流体过程中绝热加热系数（AHC）对温度分布和塑性应变的影响。为此，本文选择了先前使用NSF技术制作的三个工业基准作为代表性案例进行分析。为了进行分析，敏感性研究在两个关键温度下进行：1360°C和1370°C。这些温度的选择是为了捕捉在工业NSF应用中通常遇到的操作条件范围。利用FORGE NXT®仿真工具研究了AHC对等效塑性应变（EPS）的潜在影响。综合文献调查确定潜在AHC值的范围在85%到100%之间。研究表明，AHC对42CrMo4钢在NSF条件下的变形行为影响很小。本研究的结果为AHC在工业NSF应用中开发可靠的数字孪生（DT）的重要性提供了内幕。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Material Forming ENGINEERING, MANUFACTURING-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

5.10

自引率

4.20%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal publishes and disseminates original research in the field of material forming. The research should constitute major achievements in the understanding, modeling or simulation of material forming processes. In this respect ‘forming’ implies a deliberate deformation of material. The journal establishes a platform of communication between engineers and scientists, covering all forming processes, including sheet forming, bulk forming, powder forming, forming in near-melt conditions (injection moulding, thixoforming, film blowing etc.), micro-forming, hydro-forming, thermo-forming, incremental forming etc. Other manufacturing technologies like machining and cutting can be included if the focus of the work is on plastic deformations. All materials (metals, ceramics, polymers, composites, glass, wood, fibre reinforced materials, materials in food processing, biomaterials, nano-materials, shape memory alloys etc.) and approaches (micro-macro modelling, thermo-mechanical modelling, numerical simulation including new and advanced numerical strategies, experimental analysis, inverse analysis, model identification, optimization, design and control of forming tools and machines, wear and friction, mechanical behavior and formability of materials etc.) are concerned.