作者: Faming Zhang , Tengfei Liu
DOI: 10.1016/J.COMPOSITESB.2018.11.110
关键词: Brittleness 、 Materials science 、 Ultimate tensile strength 、 Composite material 、 Titanium 、 Nanocomposite 、 Microstructure 、 Nanodiamond 、 Strengthening mechanisms of materials 、 Ductility
摘要: Abstract The conflict between strength and ductility is vital problem for the metals. Titanium matrix composites (TMCs) have high but usually with a severe room temperature brittleness. Herein, network distribution of nanodiamond (ND) reinforcements in TMCs was achieved first time. phases, microstructure, mechanical properties strengthening mechanisms architectures were systemically studied. Experimental results showed that had Ti diameter networks 100–200 μm. Higher tensile yield (σ0.2) excellent (e) can be obtained nanocomposites. in-situ formed TiC residual NDs boundary played role reinforcing while internal still maintained pure Ti. Eventually, conflicts been reconciled effectively by controllable spatial nano-reinforcements.