稀土<strong>Ce</strong>对薄带连铸无取向<strong>6.5%Si</strong>钢组织、高温拉伸性能和断裂模式的影响

Processing math: 100%

稀土Ce对薄带连铸无取向6.5%Si钢组织、高温拉伸性能和断裂模式的影响

李民, 李昊泽, 王继杰, 马颖澈, 刘奎

Effect of Ce on the Microstructure, High-Temperature Tensile Properties, and Fracture Mode of Strip Casting Non-Oriented 6.5%Si Electrical Steel

LI Min, LI Haoze, WANG Jijie, MA Yingche, LIU Kui

表3 晶格错配度计算结果

Table 3 Calculated results of the lattice misfit between Ce₂O_2.5S, Ce₄O₄S₃, and δ-Fe

Case	[uvw]_s	[uvw]_n	d[uvw]_s / nm	d[uvw]_n / nm	d[uvw]_s·cosθ / nm	δ / %
${(0001)}_{C e_{2} O_{2.5} S} / / (111)$ _δ-_Fe	[ $2110$ ] $_{C e_{2} O_{2.5} S}$	[ $\bar{1} 10$ ] _δ-_Fe	0.3967	0.4146	0.3967	3.9
	[ $10 \bar{1} 0$ ] $_{C e_{2} O_{2.5} S}$	[ $\bar{2} 11$ ] _δ-_Fe	0.6871	0.7128	0.6871
	[ $1100$ ] $_{C e_{2} O_{2.5} S}$	[ $\bar{1} 01$ ] _δ-_Fe	0.3967	0.4146	0.3967
${(010)}_{C e_{4} O_{4} S_{3}} / / (111)$ _δ-_Fe	[ $001$ ] $_{C e_{4} O_{4} S_{3}}$	[ $\bar{1} 10$ ] _δ-_Fe	0.3958	0.4146	0.3958	4.6
	[ $\bar{1} 02$ ] $_{C e_{4} O_{4} S_{3}}$	[ $\bar{3} 12$ ] _δ-_Fe	1.0457	1.0970	1.0457
	[ $100$ ] $_{C e_{4} O_{4} S_{3}}$	[ $\bar{1} \bar{1} 2$ ] _δ-_Fe	0.6851	0.7182	0.6851