Formation of face-centered cubic phase in Ti35 alloy under in situ heating transmission electron microscopy

Jianan Hu; Mengmeng Yang; Wenlong Xiao; Hao Wang; Dehai Ping; Chengze Liu; Shewei Xin; Songquan Wu; Kai Zhang; Yi Yang; Lai-Chang Zhang; Aijun Huang

doi:10.1007/s40195-022-01484-6

Formation of face-centered cubic phase in Ti35 alloy under in situ heating transmission electron microscopy

Jianan Hu, Mengmeng Yang, Wenlong Xiao, Hao Wang, Dehai Ping, Chengze Liu, Shewei Xin, Songquan Wu, Kai Zhang, Yi Yang, Lai-Chang Zhang, Aijun Huang

Materials Science & Engineering

Research output: Contribution to journal › Article › Research › peer-review

2 Citations (Scopus)

Abstract

A thermally induced hexagonal close-packed (HCP) to face-centered cubic (FCC) phase transition was investigated in an α-type Ti35 alloy with twinned structure by in situ heating transmission electron microscopy (TEM) and ab initio calculations. TEM observations indicated that the HCP to FCC phase transition occurred both within matrix/twin and at the twin boundaries in the thinner region of the TEM film, and the FCC-Ti precipitated as plates within the matrix/twin, while as equiaxed cells at twin boundaries. The crystallographic orientation relationship between HCP-Ti and FCC-Ti can be described as: {111}FCC//{0002}HCPand<110>FCC//<12¯10>HCP. The HCP to FCC phase transition was accomplished by forming an intermediate state with a BB stacking sequence through the slip of partial dislocations. The formation of such FCC-Ti may be related to the thermal stress and temperature. Ab initio calculations showed that the formation of FCC-Ti may also be related to the contamination of interstitial atoms such as oxygen.

Original language	English
Pages (from-to)	486-494
Number of pages	9
Journal	Acta Metallurgica Sinica (English Letters)
DOIs	https://doi.org/10.1007/s40195-022-01484-6
Publication status	Published - Mar 2023

Keywords

Ab initio calculation
FCC titanium
In situ heating TEM
Phase transition

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10.1007/s40195-022-01484-6

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@article{d43fd9ca42ad4ef9ae340052ff21935b,

title = "Formation of face-centered cubic phase in Ti35 alloy under in situ heating transmission electron microscopy",

abstract = "A thermally induced hexagonal close-packed (HCP) to face-centered cubic (FCC) phase transition was investigated in an α-type Ti35 alloy with twinned structure by in situ heating transmission electron microscopy (TEM) and ab initio calculations. TEM observations indicated that the HCP to FCC phase transition occurred both within matrix/twin and at the twin boundaries in the thinner region of the TEM film, and the FCC-Ti precipitated as plates within the matrix/twin, while as equiaxed cells at twin boundaries. The crystallographic orientation relationship between HCP-Ti and FCC-Ti can be described as: {111}FCC//{0002}HCPand<110>FCC//<12¯10>HCP. The HCP to FCC phase transition was accomplished by forming an intermediate state with a BB stacking sequence through the slip of partial dislocations. The formation of such FCC-Ti may be related to the thermal stress and temperature. Ab initio calculations showed that the formation of FCC-Ti may also be related to the contamination of interstitial atoms such as oxygen.",

keywords = "Ab initio calculation, FCC titanium, In situ heating TEM, Phase transition",

author = "Jianan Hu and Mengmeng Yang and Wenlong Xiao and Hao Wang and Dehai Ping and Chengze Liu and Shewei Xin and Songquan Wu and Kai Zhang and Yi Yang and Lai-Chang Zhang and Aijun Huang",

note = "Funding Information: This work was supported by the Natural Science Foundation of Shanghai (Grant No. 21ZR1445100), the National Natural Science Foundation of China (Grant No. 52271108), the Foundation of Xi'an Key Laboratory of High-Performance Titanium Alloy (Grant No. NIN- HTL-2022-02). H. Wang acknowledges financial support from the Frontier and Key Projects of the Chinese Academy of Sciences (Grant No. QYZDJ-SSW-JSC031-01). C. Liu acknowledges financial support from Xi{\textquoteright}an Science and Technology Plan Project (Grant No. 2020YZ0028). Publisher Copyright: {\textcopyright} 2022, The Chinese Society for Metals (CSM) and Springer-Verlag GmbH Germany, part of Springer Nature.",

year = "2023",

month = mar,

doi = "10.1007/s40195-022-01484-6",

language = "English",

pages = "486--494",

journal = "Acta Metallurgica Sinica (English Letters)",

issn = "1006-7191",

publisher = "Springer",

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TY - JOUR

T1 - Formation of face-centered cubic phase in Ti35 alloy under in situ heating transmission electron microscopy

AU - Hu, Jianan

AU - Yang, Mengmeng

AU - Xiao, Wenlong

AU - Wang, Hao

AU - Ping, Dehai

AU - Liu, Chengze

AU - Xin, Shewei

AU - Wu, Songquan

AU - Zhang, Kai

AU - Yang, Yi

AU - Zhang, Lai-Chang

AU - Huang, Aijun

N1 - Funding Information: This work was supported by the Natural Science Foundation of Shanghai (Grant No. 21ZR1445100), the National Natural Science Foundation of China (Grant No. 52271108), the Foundation of Xi'an Key Laboratory of High-Performance Titanium Alloy (Grant No. NIN- HTL-2022-02). H. Wang acknowledges financial support from the Frontier and Key Projects of the Chinese Academy of Sciences (Grant No. QYZDJ-SSW-JSC031-01). C. Liu acknowledges financial support from Xi’an Science and Technology Plan Project (Grant No. 2020YZ0028). Publisher Copyright: © 2022, The Chinese Society for Metals (CSM) and Springer-Verlag GmbH Germany, part of Springer Nature.

PY - 2023/3

Y1 - 2023/3

N2 - A thermally induced hexagonal close-packed (HCP) to face-centered cubic (FCC) phase transition was investigated in an α-type Ti35 alloy with twinned structure by in situ heating transmission electron microscopy (TEM) and ab initio calculations. TEM observations indicated that the HCP to FCC phase transition occurred both within matrix/twin and at the twin boundaries in the thinner region of the TEM film, and the FCC-Ti precipitated as plates within the matrix/twin, while as equiaxed cells at twin boundaries. The crystallographic orientation relationship between HCP-Ti and FCC-Ti can be described as: {111}FCC//{0002}HCPand<110>FCC//<12¯10>HCP. The HCP to FCC phase transition was accomplished by forming an intermediate state with a BB stacking sequence through the slip of partial dislocations. The formation of such FCC-Ti may be related to the thermal stress and temperature. Ab initio calculations showed that the formation of FCC-Ti may also be related to the contamination of interstitial atoms such as oxygen.

AB - A thermally induced hexagonal close-packed (HCP) to face-centered cubic (FCC) phase transition was investigated in an α-type Ti35 alloy with twinned structure by in situ heating transmission electron microscopy (TEM) and ab initio calculations. TEM observations indicated that the HCP to FCC phase transition occurred both within matrix/twin and at the twin boundaries in the thinner region of the TEM film, and the FCC-Ti precipitated as plates within the matrix/twin, while as equiaxed cells at twin boundaries. The crystallographic orientation relationship between HCP-Ti and FCC-Ti can be described as: {111}FCC//{0002}HCPand<110>FCC//<12¯10>HCP. The HCP to FCC phase transition was accomplished by forming an intermediate state with a BB stacking sequence through the slip of partial dislocations. The formation of such FCC-Ti may be related to the thermal stress and temperature. Ab initio calculations showed that the formation of FCC-Ti may also be related to the contamination of interstitial atoms such as oxygen.

KW - Ab initio calculation

KW - FCC titanium

KW - In situ heating TEM

KW - Phase transition

UR - http://www.scopus.com/inward/record.url?scp=85141600641&partnerID=8YFLogxK

U2 - 10.1007/s40195-022-01484-6

DO - 10.1007/s40195-022-01484-6

M3 - Article

AN - SCOPUS:85141600641

SN - 1006-7191

SP - 486

EP - 494

JO - Acta Metallurgica Sinica (English Letters)

JF - Acta Metallurgica Sinica (English Letters)

ER -

Formation of face-centered cubic phase in Ti35 alloy under in situ heating transmission electron microscopy

Abstract

Keywords

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