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Low‑Carbon‑Emission Hot Stamping:A Review from the Perspectives of Steel Grade,heating process,and Part Design

Automotive Innovation 2023年第3期6卷 324-339页

作者： Zeran Hou Yi Liu Qi He Jianfeng Wang Junying Min School of Mechanical Engineering Tongji UniversityShanghai 201804China China Science Lab General Motors Global Research and DevelopmentShanghai 201206China

Hot stamping steels have become a crucial strategy for achieving lightweighting and enhancing crash safety in the automo-tive industry over the past two ***,the carbon emissions of the materials and their related stamping processes have been frequently *** is essential to consider these emissions during the design *** materials and technologies in hot stamping pose challenges to the automotive industry's future development in carbon emission *** review discusses the promising materials for future application and their special features,as well as the emerging manufacturing and part design processes that have extended the limit of application for new *** heating processes and corresponding equipment have been proven to improve heating efficiency and control temperature *** material utilization and the overall performance of the components are improved by tailored blanks and an integrated part design *** achieve low-carbon-emission(LCE)hot stamping,it is necessary to systematically consider the steel grade,heating process,and part design,rather than solely focusing on reducing carbon emissions during the manufacturing process *** review aims to present the latest progress in steel grade,heating process,and part design of hot stamping in the automotive industry,providing solutions for LCE from a holistic perspective.

关键词： Low-carbon-emission Hot stamping Steel grade heating process Part design

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Thermo-Calc calculations and studies of the heating process of Fe_(83)Si_4B_(13) alloy

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Baosteel Technical Research 2015年第1期9卷 46-50页

作者： MA Changsong WANG Chengquan SUN Huande XIE Shishu Research Institute Baoshan Iron & Steel Co.Ltd.

The microstructural changes of Fe83Si4B13 amorphous mother alloy during the heating process were investigated by Laser Scanning Confocal Microscopy （LSCM） ,and the phase transformation was determined by the Thermo-Calc calculations. The differences in the melting points measured by Differential Scanning Calorimetry （DSC） and LSCM, and those obtained by Thermo-Calc calculations were also discussed. It is found that the melting points measured by DSC and LSCM are relatively similar, whereas the onset and end of the melting temperatures calculated by Thermo-Calc software are higher than those measured by DSC and observed by LSCM.

关键词： Fe-Si-B ternary alloy heating process laser scanning confocal microscope differential scanning calorimetry Thermo-Calc software

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A Dynamic Data-driven Model for Predicting Strip Temperature in Continuous Annealing Line heating process

A Dynamic Data-driven Model for Predicting Strip Temperature...

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第37届中国控制会议

作者： Yongyue Zhang Yali Jin Weihua Cao Zezhong Li Yan Yuan School of Information Science and Engineering Central South University School of Automation China University of Geoscience Hubei key Laboratory of Advanced Control and Intelligent Automation for Complex Systems

In the continuous annealing line heating process, it is hard to get an accurate predict result only by a steady state model as it is a complex, strongly time-delayed and confounding process. This study provides a method for building a dynamic model. First analyzes the mechanism of the annealing line to get the main parameters, and then use the data-driven modeling method to get a steady state model, finally combines with dynamic algorithm to establish a dynamic model. This modeling method improves the accuracy of predict result to guarantee the efficiency of enterprises.

关键词： data-driven dynamic model continuous annealing line heating process

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