Journal
CRYSTALS
Volume 13, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/cryst13030518
Keywords
Cu-Cr-Zr alloy; coarse particle; crystal structure; orientation relationship
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Coarse particles in the Cu-0.39Cr-0.24Zr-0.12Ni-0.027Si alloy were studied using scanning electron microscopy and transmission electron microscopy. Three types of coarse particles were identified: needle-like Cu5Zr intermetallic phase, nearly spherical Cr-9.Si-1(0).(9) intermetallic phase, and (Cu, Cr, Zr, Ni, Si)-rich lath complex particles. The crystallographic orientation relationships of the needle-like and nearly spherical coarse particles were also determined. The formation mechanism and role of coarse phases in Cu-Cr-Zr alloys were discussed, and suggestions were proposed for controlling the coarse phases in the alloys.
Coarse particles in Cu-0.39Cr-0.24Zr-0.12Ni-0.027Si alloy were studied with scanning electron microscopy and transmission electron microscopy. Three types of coarse particles were determined: a needle-like Cu5Zr intermetallic phase, a nearly spherical Cr-9.Si-1(0).(9) intermetallic phase and (Cu, Cr, Zr, Ni, Si)-rich lath complex particles. The crystallographic orientation relationships of the needle-like and nearly spherical coarse particles were also determined. The reasons for formation and the role of the coarse phases in Cu-Cr-Zr alloys are discussed, and some suggestions are proposed to control the coarse phases in the alloys.
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