Acta Metallurgica Sinica (English Letters) ›› 2018, Vol. 31 ›› Issue (10): 1089-1097.DOI: 10.1007/s40195-018-0781-x
• Orginal Article • Previous Articles Next Articles
Wei Wang1, Zong-Ning Chen1, En-Yu Guo1, Hui-Jun Kang1(), Yi Liu2, Cun-Lei Zou1, Ren-Geng Li1, Guo-Mao Yin1, Tong-Min Wang1
Received:
2018-07-11
Revised:
2018-07-11
Online:
2018-10-10
Published:
2018-10-30
Wei Wang, Zong-Ning Chen, En-Yu Guo, Hui-Jun Kang, Yi Liu, Cun-Lei Zou, Ren-Geng Li, Guo-Mao Yin, Tong-Min Wang. Influence of Cryorolling on the Precipitation of Cu-Ni-Si Alloys: An In Situ X-ray Diffraction Study[J]. Acta Metallurgica Sinica (English Letters), 2018, 31(10): 1089-1097.
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Fig. 2 Vickers Hardness and electrical conductivity curves of Cu-Ni-Si alloy subjected to isochronal aging for 1 h a, b, isothermal aging c, d at 723 K for various time
Fig. 3 Typical pattern of in situ synchrotron diffraction experiments of Cu-Ni-Si alloy aged at 723 K a, enlarged magnifications showing minor precipitate peaks b; variation of dislocation densities c, Ni2Si phase peak heights d; selected portions of EBSD maps of Cu-Ni-Si alloys aged at 723 K for 2 h: e CR sample and f RTR sample. The recrystallized and deformed grains are colored blue and red, respectively; high-angle grain boundaries are depicted by black lines; RD, ND and TD are the rolling, normal, and transverse directions, respectively
Fig. 4 Bright field TEM images of Cu-Ni-Si alloys aged at 723 K for 2 h: a RTR sample and b CR sample; c TEM image of cryorolled Cu-Ni-Si alloy with selected area electron diffraction showing Ni2Si phase and d HRTEM image showing Ni2Si precipitate lying on dislocations
Fig. 5 a-f TEM images of Cu-Ni-Si alloys aged at 723 K for 2 h: dark-field images, precipitate size distribution and typical HRTEM images subjected to room temperature rolling a, c, e, cryorolling b, d, f, respectively
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