FeCoNiCuSi x B1 - x 高熵合金力学性能的优化和高压强化机制

FeCoNiCuSi _x B_{1 -}_x 高熵合金力学性能的优化和高压强化机制

包方玄, 宫明龙, 刘恩瑞, 刘凤芳, 白静, 高秋志

Optimization of Mechanical Properties and High-pressure Strengthening Mechanism of FeCoNiCuSi _x B_{1 -}_x High Entropy Alloys

BAO Fangxuan, GONG Minglong, LIU Enrui, LIU Fengfang, BAI Jing, GAO Qiuzhi

表2 不同Si含量FeCoNiCuSi _x B_{1 -}_x 高熵合金的相形成判定参数

Table 2 Phase formation determination parameters of FeCoNiCuSi _x B_{1 -}_x high entropy alloys with varying Si contents

Alloys	$δ$ / %	$Δ S_{m i x}$ / J·K^-1·mol^-1	$Δ H_{m i x}$ / kJ·mol^-1	$Ω$	$Δ χ$ / %	VEC	$γ$
x = 0	14.89	13.38	-8.64	2.79	6.969	8.2	1.575
x = 0.25	13.05	14.32	-11.38	2.23	6.321	8.25	1.571
x = 0.5	10.84	14.53	-13.84	1.82	5.51	8.3	1.566
x = 0.75	7.97	14.32	-16.02	1.52	4.449	8.35	1.562
x = 1	2.92	13.38	-17.92	1.25	2.871	8.4	1.101