中间层材料Fe和Nb对高强钛-钢复合管界面及剪切强度的影响

程磊, 张旭航, 韩盈, 程志诚, 余伟

Effects of Interlayer Materials Fe and Nb on Interfacial Shear Strength of Hot Extruded High-Strength Titanium-Steel Composite Pipe

CHENG Lei, ZHANG Xuhang, HAN Ying, CHENG Zhicheng, YU Wei

图7 不同合金体系1000℃的三元相图截面特征

Fig.7 Isothermal sections (1000oC) of typical ternary phase diagrams (The marked numbers and symbols indicate the EDS indexed compositions of the five compounds formed in the interface of sample Fe-920oC in Fig.2c; the content of each element in the figures is the atomic fraction, %) (a) C-Cr-Fe (b) C-Ti-Fe (c) C-Ti-Al (d) Fe-Ti-Nb (The shaded green region presents the infinite solid solution relationship between Nb and β-titanium)