Application technology
- Mechanical properties evaluation
- Body rigidity and durability evaluation
- Crashworthiness evaluation
- Performance evaluation of outer panels
- Analysis of body-structures and their performance
- Press-forming simulation
- New forming technology
- Joining techniques for steel steets
- Corrosion performance evaluation techniques
Joining Techniques for Steel Sheets
Objective of our activities for welding research and development
- Provide welding technology for best welding performance of our steel sheets.
- Develop advanced steel sheets with satisfaction users requirement for welding.
- Develop new welding technologies for practical use in deep and tight collaboration with our client.
Welding/Joining technologies of JFE steel
Resistance spot
welding
Pneumatic /
servo controlled spot
welding machine Single phase AC /
inverter DC / Robot Gun type
Arc welding
TIG, Plasma, MAG/CO2
Tandem arc welding
Laser welding
Nd: YAD laser welding
CO2 laser welding
Evaluation and analysing
techniques for welding
phenomena and weldability
Strength tests for weld joint
(static, dynamic and fatigue)
Weld failure analysis
Erichsen test
Friction Stir welding
Friction stir welding
Friction stir spot welding
JFE Technical Report
- 2015.03No.20 Development of Next Generation Resistance Spot Welding Technologies Improving the Weld Properties of Advanced High Strength Steel Sheets [P85 - P91]
- 2015.03No.20 Development of In-Process Welding Current and Electrode Force Control Process for Single-Side Resistance Spot Welding [P92 - P98]
- 2015.03No.20 Application of Laser Welding Technologies to Automotive Bodies [P99 - P105]
- 2015.03No.20 Applicability of Friction Stir Welding (FSW) to Steels and Properties of the Welds [P133 - P140]
- 2013.04No.18 Development of Next Generation Resistance Spot Welding Technologies Contributing to Auto Body Weight Reduction [P111 - P117]
- 2013.03No.18 Improvement of Weld Quality by “Intelligent SpotTM” Welding Technology [P138 - P140] [3P/0.9MB]
We use superior evaluation and analysis to develop excellent new welding technologies and new steel sheets with good weldability.