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As global climate change issues continue to escalate, managing carbon footprints in industrial production processes has become a key indicator for assessing their environmental impact. This study focuses on the comparative analysis of carbon emissions from two welding technologies used in the production of subway aluminum car bodies-Friction Stir Welding (FSW) and Metal Inert-Gas welding(MIG). Based on activity level data and greenhouse gas emission factors, the results show that the \(CO_{2}e\) emissions from Friction Stir Welding are significantly lower than those from MIG Welding. This research provides empirical data for the rail vehicle production industry, offering valuable data support and decision-making reference for rail vehicle manufacturers seeking to reduce environmental impacts through improvements in production processes.

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Carbon Reduction Potential of Rail Transit Manufacturing Equipment Replacement: Case Report and Investigation

  • 会议论文

  • 发表日期：

    2025年

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  • Guanhan Lu,
  • Jiancai Di,
  • Tianyu Hu,
  • Zhile Yang,
  • Qun Zhao,
  • Shan Liu

摘要

As global climate change issues continue to escalate, managing carbon footprints in industrial production processes has become a key indicator for assessing their environmental impact. This study focuses on the comparative analysis of carbon emissions from two welding technologies used in the production of subway aluminum car bodies-Friction Stir Welding (FSW) and Metal Inert-Gas welding(MIG). Based on activity level data and greenhouse gas emission factors, the results show that the \(CO_{2}e\) emissions from Friction Stir Welding are significantly lower than those from MIG Welding. This research provides empirical data for the rail vehicle production industry, offering valuable data support and decision-making reference for rail vehicle manufacturers seeking to reduce environmental impacts through improvements in production processes.