Paper Title:
Microstructures of Low Angle Boundaries of the Second Generation Single Crystal Superalloy DD6
  Abstract

The specimens of low angle boundaries were machined from the second generation single crystal superalloy DD6 blades. The microstructures of low angle boundaries (LAB) were investigated from three scales of dendrite, γ′ phase and atom with optical microscopy (OM), scanning electron microscope (SEM), transition electron microscope (TEM) and high resolution transmission electrion microscopy (HREM). The results showed that on the dendrite scale LAB is interdendrite district formed by three dimensional curved face between the adjacent dendrites. On the γ′ phase scale LAB is composed by a thin layer γ phase and its bilateral imperfect cube γ′ phase. On the atom scale LAB is made up of dislocations within several atom thickness.

  Info
Periodical
Advanced Materials Research (Volumes 284-286)
Chapter
Metal alloy Materials
Edited by
Xiaoming Sang, Pengcheng Wang, Liqun Ai, Yungang Li and Jinglong Bu
Pages
1584-1587
DOI
10.4028/www.scientific.net/AMR.284-286.1584
Citation
Z. X. Shi, J. R. Li, S. Z. Liu, J. Q. Zhao, "Microstructures of Low Angle Boundaries of the Second Generation Single Crystal Superalloy DD6", Advanced Materials Research, Vols. 284-286, pp. 1584-1587, 2011
Online since
July 2011
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Price
$32.00
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