Tetsuo Tanabe is a special-appointment professor at the Research Center for Artificial Photosynthesis (ReCAP), Osaka City University. His work is mainly concerned with nuclear materials, fusion engineering, and tritium science. He received his Doctor of Engineering from Osaka University in 1977. He has been a professor at Nagoya University and Kyushu University, and has served in his current position since 2017. He is now an emeritus professor at Nagoya University and Kyushu University.

• Introduction.- Discharges in Current Tokamaks.- Power Load on Plasma Facing Materials.- Responses of Plasma Facing Surfaces to Heat and Particle Loads.- Erosion and Deposition & their Influence on Plasma Behavior (Material Transport in Tokamak).- Material Modification by High Power Load and its Influence on Plasma.- Fundamentals of Hydrogen Recycling and Retention.- PMI in Large Tokamaks.- Estimation of T Retention in a Reactor.- Selection of PFM Materials.- Closing Remarks.

Tetsuo Tanabe is a special-appointment professor at the Research Center for Artificial Photosynthesis (ReCAP), Osaka City University. His work is mainly concerned with nuclear materials, fusion engineering, and tritium science. He received his Doctor of Engineering from Osaka University in 1977. He has been a professor at Nagoya University and Kyushu University, and has served in his current position since 2017. He is now an emeritus professor at Nagoya University and Kyushu University.

• Introduction.- Discharges in Current Tokamaks.- Power Load on Plasma Facing Materials.- Responses of Plasma Facing Surfaces to Heat and Particle Loads.- Erosion and Deposition & their Influence on Plasma Behavior (Material Transport in Tokamak).- Material Modification by High Power Load and its Influence on Plasma.- Fundamentals of Hydrogen Recycling and Retention.- PMI in Large Tokamaks.- Estimation of T Retention in a Reactor.- Selection of PFM Materials.- Closing Remarks.

Tetsuo Tanabe is a special-appointment professor at the Research Center for Artificial Photosynthesis (ReCAP), Osaka City University. His work is mainly concerned with nuclear materials, fusion engineering, and tritium science. He received his Doctor of Engineering from Osaka University in 1977. He has been a professor at Nagoya University and Kyushu University, and has served in his current position since 2017. He is now an emeritus professor at Nagoya University and Kyushu University.

• Introduction.- Discharges in Current Tokamaks.- Power Load on Plasma Facing Materials.- Responses of Plasma Facing Surfaces to Heat and Particle Loads.- Erosion and Deposition & their Influence on Plasma Behavior (Material Transport in Tokamak).- Material Modification by High Power Load and its Influence on Plasma.- Fundamentals of Hydrogen Recycling and Retention.- PMI in Large Tokamaks.- Estimation of T Retention in a Reactor.- Selection of PFM Materials.- Closing Remarks.