About KOJIMA YO
About magnesium base alloy
About light metal
About rare earth element
About strength
About corrosion resistance
About heat resistance
About die casting
About control
About workability (machining)
About mechanical property
About improvement
About research and development
About high strength
About microstructure control
About property
About performance enhancement
About microstructure control
About Nonferrous metallic materials
About 高性能
About マグネシウム合金
About 展開