“超金属”和“超钢铁材料”新材料技术水平，从整体看日本处于高水平，电子装置和汽车等用户在国际强烈竞争中，看出材料领域的技术水平很高。但是从航空，宇航用材料等尖端领域和基础领域来看，则美国处于领先地位。金属系新材料的代表有高温合金，贮氢合金，形状记忆合... The technological level of new materials such as “super-metal” and “super-steel materials” shows that Japan is at a high level as a whole. Users of electronic devices and automobiles in the international competition have seen a high level of technology in the field of materials. However, from the cutting-edge areas such as aviation and aerospace materials and basic fields, the United States is in a leading position. Metal materials on behalf of the new high-temperature alloys, hydrogen storage alloys, shape memory ...