镍基单晶高温合金叶片模拟件平台处的枝晶生长和取向演化
孙德建,刘林(
),黄太文,张家晨,曹凯莉,张军,苏海军,傅恒志
),黄太文,张家晨,曹凯莉,张军,苏海军,傅恒志
Dendrite Growth and Orientation Evolution in the Platform of Simplified Turbine Blade for Nickel-Based Single Crystal Superalloys
Dejian SUN,Lin LIU(),Taiwen HUANG,Jiachen ZHANG,Kaili CAO,Jun ZHANG,Haijun SU,Hengzhi FU
),Taiwen HUANG,Jiachen ZHANG,Kaili CAO,Jun ZHANG,Haijun SU,Hengzhi FU
图2. 平台3底面的枝晶形貌
Fig.2. Dendritic morphologies within the platform base of platform 3 (a) and magnified images of positions 1~6 in Fig.2a (b~g) with the withdrawal rate of 9 mm/min (LSDA—long secondary dendrite arm, LTDA—long tertiary dendrite arm, CBDA—convergent boundary of dendrite arms, SDZ—secondary dendrite spread zone, CZ—"circuit-like" dendrite growth zone. 2A, 3A, 4A—secondary, tertiary and quaternary dendrite arms, respectively. The yellow dotted line represents the boundaries between blade body zone and platform zone)Color online
