单晶高温合金凝固特性与典型凝固缺陷研究
张军(
),黄太文,刘林,傅恒志
),黄太文,刘林,傅恒志
ADVANCES IN SOLIDIFICATION CHARACTERISTICS AND TYPICAL CASTING DEFECTS IN NICKEL-BASED SINGLE CRYSTAL SUPERALLOYS
Jun ZHANG(),Taiwen HUANG,Lin LIU,Hengzhi FU
),Taiwen HUANG,Lin LIU,Hengzhi FU
图19. 籽晶段和选晶段杂晶的演化[34]
Fig.19. Diagrams showing stray grains in seed section and helical selector section (V=100 mm/s)[34]
(a) seed and helical selector section of a casting macroetched to show the stray grains
(1) macrostructure at area 1 (2) macrostructure at area 2
(I) microstructure at location I (II) microstructure at location II (III) microstructure at location III
(b) EBSD inverse poles figures at location II
(c) EBSD inverse poles figures at location III
