Based on S. H. Yu’s empirical electron theory of solids and molecules, the valence electron structure of austenite in l......

用拉伸试验研究了经不同固溶和时效工艺处理后7055铝合金的力学性能,并结合显微组织进行了分析。结果表明,复合固溶（双级）＋特殊时效处......

Increasing demands for ultrahigh-strength steels in commercial as well as military applications have raised interest in ......