Hot deformation behavior of Ti-6Al-4V alloy: Effect of initial microstructure

ZX Zhang, SJ Qu, AH Feng, J Shen, DL Chen - Journal of alloys and …, 2017 - Elsevier
The purpose of this study was to identify plastic flow behavior and microstructural evolution
during sub-transus hot deformation of a Ti-6Al-4V alloy with three initial microstructures …

Investigation on the microstructure, room and high temperature mechanical behaviors and strengthening mechanisms of the (TiB+ TiC)/TC4 composites

ZY Hu, XW Cheng, SL Li, HM Zhang, H Wang… - Journal of Alloys and …, 2017 - Elsevier
A hybrid of (TiB+ TiC) reinforced Ti-6Al-4V (TC4) matrix composite was produced by solution
ball milling and spark plasma sintering process. The reinforcements were uniformly …

Coupled experimental and computational investigation of omega phase evolution in a high misfit titanium-vanadium alloy

D Choudhuri, Y Zheng, T Alam, R Shi, M Hendrickson… - Acta Materialia, 2017 - Elsevier
Morphological and compositional evolution of omega (ω) precipitates in a model Titanium-
20 wt% Vanadium (or 19 at.% V) alloy has been systematically investigated by coupling …

[HTML][HTML] Core-shell nanoparticle arrays double the strength of steel

JB Seol, SH Na, B Gault, JE Kim, JC Han, CG Park… - Scientific reports, 2017 - nature.com
Manipulating structure, defects and composition of a material at the atomic scale for
enhancing its physical or mechanical properties is referred to as nanostructuring. Here, by …

[HTML][HTML] An environmental transfer hub for multimodal atom probe tomography

DE Perea, SSA Gerstl, J Chin, B Hirschi… - Advanced structural and …, 2017 - Springer
Environmental control during transfer between instruments is required for samples sensitive
to air or thermal exposure to prevent morphological or chemical changes prior to analysis …

Influence of C/Ti stoichiometry in TiCx on the grain refinement efficiency of Al–Ti–C master alloy

H Yang, T Gao, H Wang, J Nie, X Liu - Journal of materials science & …, 2017 - Elsevier
Abstract TiC x contained Al–Ti–C is a kind of grain refiner for Al alloys. In this work, the
influence of C/Ti stoichiometry, ie the x value in TiC x on grain refinement efficiency was …

The influence of defect structures on the mechanical properties of Ti-6Al-4V alloys deformed by high-pressure torsion at ambient temperature

ZY Hu, XW Cheng, ZH Zhang, H Wang, SL Li… - Materials Science and …, 2017 - Elsevier
The high-pressure torsion method was employed to deform Ti-6Al-4V (TC4) alloy. The
ambient temperature and high pressure were used to restrain the grain growth. Clear …

Dynamic recrystallization behavior and strengthening-toughening effects in a near-α Ti-xSi alloy processed by hot extrusion

XX Ye, H Imai, JH Shen, B Chen, GQ Han… - Materials Science and …, 2017 - Elsevier
Dynamic recrystallization and strengthening-toughening effects were investigated in the
processed near-Ti-xSi alloy by hot extrusion. The yielding and ultimate tensile strengths …

A novel ultra-high strength and low-cost as-cast titanium alloy

B Sengupta, S Shekhar, KN Kulkarni - Materials Science and Engineering …, 2017 - Elsevier
A novel low-cost titanium alloy (Ti-22Fe-4Si-4Cr) is reported, which has a very high
compressive strength of 2.5 GPa and ultra high hardness of 710 Hv in as cast condition. The …

Bimodal laminated Ti3Al matrix composite achieved by in situ formed Ti5Si3 reinforcements

T Zhang, G Fan, K Miao, K Chen, Z Pan, S Chen… - Materials Science and …, 2017 - Elsevier
The low density and high-temperature mechanical properties of intermetallic Ti 3 Al based
alloys are highly desirable for a wide range of critical applications. In this paper, we …