B微合金化对CoNiV中熵合金微观组织和力学性能的影响及其机理

南勇, 关旭, 闫海乐, 唐帅, 贾楠, 赵骧, 左良

Effect and Mechanism of B Microalloying on the Microstructure and Mechanical Properties of CoNiV Medium-Entropy Alloy

NAN Yong, GUAN Xu, YAN Haile, TANG Shuai, JIA Nan, ZHAO Xiang, ZUO Liang

图3 CoNiV、(CoNiV)99.9B0.1和(CoNiV)99.8B0.2合金微观组织定量特征

Fig.3 Quantitative characteristics of the CoNiV, (CoNiV)99.9B0.1, and (CoNiV)99.8B0.2 alloys (a) relation between mean grain size (dm) and the content of doped B (b) grain size (d) distributions (c) length fractions of Σ3, Σ5, Σ7, and Σ9 CSL boundaries against the total length of all large angle grain boundaries