Mechanically induced phase transformation from hexagonal close-packed structure to face-centred cubic structure in hafnium

H Zhao, S Ni, M Song - Materials Science and Engineering: A, 2016 - Elsevier
High-energy ball milling induced hexagonal close-packed (HCP) to face-centred cubic
(FCC) phase transformation in pure hafnium was investigated through x-ray diffraction …

Fabricating a bulk FCC Hf by a combination of high-energy ball milling and spark plasma sintering

K Luo, S Ni, M Song - International Journal of Refractory Metals and Hard …, 2018 - Elsevier
A face-centered-cubic (FCC) hafnium (Hf) in bulk was fabricated by a combination of high-
energy ball milling and spark plasma sintering (SPS). The hexagonal-close-packed (HCP) …

Mechanically induced fcc phase formation in nanocrystalline hafnium

C Suryanarayana - Journal of Applied Physics, 2009 - pubs.aip.org
A face-centered-cubic (fcc) phase was obtained in high-purity hafnium (Hf) metal powders
subjected to mechanical milling in a high-energy SPEX shaker mill. X-ray diffraction and …

Variants of face-centered cubic phase in pure hafnium during the HCP→ FCC phase transformation

J Hu, Y Zhang, F Han, W Guo, M Ali, J Ren… - Materials …, 2023 - Elsevier
In this work, the variants of face-centered cubic (FCC) phase during hexagonal close-
packed (HCP) to FCC phase transformation were investigated based on pole fig.(PF) …

Is there a hexagonal-close-packed (hcp)→ face-centered-cubic (fcc) allotropic transformation in mechanically milled Group IVB elements?

UMR Seelam, G Barkhordarian… - Journal of Materials …, 2009 - cambridge.org
Allotropic hexagonal-close-packed (hcp)→ face-centered-cubic (fcc) transformations were
reported in Group IVB elements titanium (Ti), zirconium (Zr), and hafnium (Hf) subjected to …

Atomic-scale understanding of stress-induced phase transformation in cold-rolled Hf

H Zhao, M Song, S Ni, S Shao, J Wang, X Liao - Acta Materialia, 2017 - Elsevier
Identifying the character and the source of partial dislocations associated phase
transformation from a hexagonal close-packed (HCP) structure to a face-centered cubic …

Effect of the milling energy on the milling-induced hcp-fcc cobalt allotropic transformations

J Sort, NM Mateescu, J Nogués… - Journal of Metastable …, 2002 - Trans Tech Publ
Cobalt is found to undergo hcp-fcc allotropic phase transformations when subjected to ball
milling. The starting mixture of hcp+ fcc cobalt develops into an almost pure hcp phase after …

Allotropic transformation of cobalt induced by ball milling

JY Huang, YK Wu, HQ Ye - Acta materialia, 1996 - Elsevier
We have found that phase transformation can occur in cobalt when subjected to ball milling.
The phase formation of cobalt was found to depend on the milling intensity. Under different …

Deformation mechanism of pure hafnium under high speed compression

S Yu, K Luo, S Ni, M Song - Materials Characterization, 2020 - Elsevier
The microstructures and mechanical properties of Hf compressed at the strain rates of 300
s− 1, 1290 s− 1 and 2800 s− 1 were investigated. At a strain rate of 300 s− 1, dislocation slip …

Allotropic transformation of cobalt induced by ball milling

JY Huang, YK Wu, HQ Ye, K Lu - Nanostructured Materials, 1995 - Elsevier
We have found that phase transformation can occur in cobalt when subjected to ball milling.
The two modifications of cobalt, ie face-centered-cubic (fcc) and hexagonal close-packed …