Experimental investigation of in-situ tensile-unloading of duplex TiAl alloy;
TiAl基合金双态组织原位拉伸-卸载试验研究
Influence of loading and unloading on strength and deformation of frozen soil;
加载卸载对人工冻结土强度与变形的影响
Influences of different directional unloadings upon displacements and internal forces of retaining structure for foundation pit;
不同方向卸载对基坑支护位移内力的影响
Analysis on unloaded arch structure of roof in mining steep seams using horizontal section top-coal caving;
急斜放顶煤开采顶板卸载拱结构分析
By means of in-situ tensile-unload SEM observation and its corresponding fracture surface observation of different notched specimens of fully lamellar TiAl-based alloys,fracture mechanism of TiAl alloys was investigated.
通过对TiAl基合金不同类型的缺口试样进行原位拉伸卸载实验和相应的断裂表面观察,研究了TiAl基合金全层组织的断裂机理。
The stress-strain curve,unload curve and secondary loading curve of the honey- comb cardboard were gained and analysed.
在试验的基础上,研究蜂窝纸板的力学性能,得到了蜂窝纸板的压缩曲线及卸载曲线、二次加载曲线。