Ultra - steel Project performed at National Institute for Materials Science(NIMS) 1997 -2005 proposed "Breakthroughs for innovation by steel science".The main concepts were composed of decreasing the environ...Ultra - steel Project performed at National Institute for Materials Science(NIMS) 1997 -2005 proposed "Breakthroughs for innovation by steel science".The main concepts were composed of decreasing the environmental load,no or less special alloying elements and safer infrastructure with reduced the total life cost.Four "double strength and double life" steels were developed as follows:①800 MPa-class ecologically beneficial steels for welded structures,②1 500 MPa steels with high resistance to fracture,③advanced ferritic steels for 650C-USC boilers and④Ultra-steels for structures in marine and offshore environments.World steel society is still growing with threatening limits of resources and energy.Application of the ultra-steel ideas would be increasingly helpful for the global sustainability.The talk will introduce the recent progress in steel research at NIMS,based on the project accomplishments.展开更多
文摘Ultra - steel Project performed at National Institute for Materials Science(NIMS) 1997 -2005 proposed "Breakthroughs for innovation by steel science".The main concepts were composed of decreasing the environmental load,no or less special alloying elements and safer infrastructure with reduced the total life cost.Four "double strength and double life" steels were developed as follows:①800 MPa-class ecologically beneficial steels for welded structures,②1 500 MPa steels with high resistance to fracture,③advanced ferritic steels for 650C-USC boilers and④Ultra-steels for structures in marine and offshore environments.World steel society is still growing with threatening limits of resources and energy.Application of the ultra-steel ideas would be increasingly helpful for the global sustainability.The talk will introduce the recent progress in steel research at NIMS,based on the project accomplishments.
