Deciphering the transformation pathway in laser powder-bed fusion additive manufacturing of Ti-6Al-4V alloy
The nature of rapid cyclic heating and cooling in metal additive manufacturing poses a great
challenge in the control of microstructure while a metallic part is being built. With metastable …
challenge in the control of microstructure while a metallic part is being built. With metastable …
Variant selection, coarsening behavior of α phase and associated tensile properties in an α+ β titanium alloy
L Lei, Q Zhao, C Wu, Y Zhao, S Huang, W Jia… - Journal of Materials …, 2022 - Elsevier
Abstract Effect of cooling rates, ie, air cooling and furnace cooling, after solution in α+ β
phase-field on variant selection, coarsening behavior of α phase and microstructure …
phase-field on variant selection, coarsening behavior of α phase and microstructure …
Realizing superior ductility of selective laser melted Ti-6Al-4V through a multi-step heat treatment
The use of selective laser melting (SLM) has become more common with regard to the
fabrication of high-strength Ti-6Al-4V components. However, the as-SLMed Ti-6Al-4V alloy …
fabrication of high-strength Ti-6Al-4V components. However, the as-SLMed Ti-6Al-4V alloy …
Research on the influence of heat treatment on residual stress of TC4 alloy produced by laser additive manufacturing based on laser ultrasonic technique
Y Zhan, H Xu, W Du, C Liu - Ultrasonics, 2021 - Elsevier
During the laser additive manufacturing (LAM) process large temperature gradients can lead
to high level of residual stress. The residual stress can have irreversible effects such as …
to high level of residual stress. The residual stress can have irreversible effects such as …
Stress-sensitive fatigue crack initiation mechanisms of coated titanium alloy
The presence of hard coatings can reduce the fatigue life of metal substrates to an
unacceptable level, causing the catastrophic failure of load-bearing structures …
unacceptable level, causing the catastrophic failure of load-bearing structures …
Achieving superior fatigue strength in a powder-metallurgy titanium alloy via in-situ globularization during hot isostatic pressing
Powder-metallurgy (PM) titanium alloys exhibit outstanding quasistatic-mechanical
properties, but suffer from low fatigue performance, which severely limits their applications in …
properties, but suffer from low fatigue performance, which severely limits their applications in …
A physics-informed neural network approach for predicting fatigue life of SLM 316L stainless steel based on defect features
F Feng, T Zhu, B Yang, S Zhou, S Xiao - International Journal of Fatigue, 2024 - Elsevier
Defects in additively manufactured materials severely limit the performance of parts in
practical applications, often exposing them to the risk of fatigue failure. In order to improve …
practical applications, often exposing them to the risk of fatigue failure. In order to improve …
Enhanced high temperature performance of two-scale network-structured (TiB+ Ti5Si3)/TA15 composites by simultaneous adjustment of matrix and nano-scaled …
L Li, K Wang, D Wang, Q An, G Liu - Materials Science and Engineering: A, 2024 - Elsevier
To improve the high temperature performance of the titanium matrix composite, solution and
aging treatments were carried out on the (TiB+ Ti 5 Si 3)/TA15 composite with a two-scale …
aging treatments were carried out on the (TiB+ Ti 5 Si 3)/TA15 composite with a two-scale …
Mechanism of continuous dynamic recrystallization of Ti− 6Al− 4V alloy during superplastic forming with sub-grain rotation
J YANG, J Wu, H Xie, Z LI, K Wang - … of Nonferrous Metals Society of China, 2023 - Elsevier
The continuous dynamic recrystallization (CDRX) mechanism of Ti− 6Al− 4V alloys during
the superplastic forming (SPF) was investigated, aiming to clarify the dominant mechanism …
the superplastic forming (SPF) was investigated, aiming to clarify the dominant mechanism …
In-situ XRD study on the effects of stress relaxation and phase transformation heat treatments on mechanical and microstructural behaviour of additively manufactured …
FR Kaschel, RK Vijayaraghavan, PJ McNally… - Materials Science and …, 2021 - Elsevier
Abstract Additively Manufactured (AM) titanium (Ti) components are routinely post-thermal
heat treated (HT), to reduce internal stresses, as well as to obtain more desirable …
heat treated (HT), to reduce internal stresses, as well as to obtain more desirable …