No interphase precipitation was found. A detailed TEM/PEELS analysis of the fine particles showed that they are essentially nitrides (N/Metal?0.63-0.82) containing increasingly less carbon as the nitrogen level increased.

• 通过TEM/PEELS对细小颗粒的详细分析表明；这些粒子主要是氮化物(N/Metal?0.；63-0