Friction stir based welding, processing, extrusion and additive manufacturing

FC Liu, AH Feng, X Pei, Y Hovanski, RS Mishra… - Progress in Materials …, 2024 - Elsevier
Friction stir welding and processing enabled the creation of stronger joints, novel ultrafine-
grained metals, new metal matrix composites, and multifunctional surfaces at user-defined …

Progress in metal additive manufacturing using innovative solid-state friction stir-based techniques

S Olhan, BK Behera - Journal of Alloys and Compounds, 2024 - Elsevier
Additive solid-state friction stir-based techniques (ASSFST) represent a cutting-edge
advancement in additive manufacturing (AM), offering a compelling alternative to traditional …

Micro-mechanics investigation of heterogeneous deformation fields and crack initiation driven by the local stored energy density in austenitic stainless steel welded …

L Gan, B Zhu, C Ling, D Li, EP Busso - … of the Mechanics and Physics of …, 2024 - Elsevier
This work investigates the heterogeneous deformation and failure of HR3C austenitic
stainless steel welded joints at room and typical service temperatures. Such types of welded …

[PDF][PDF] Viscoplastic properties of chromium-nickel steel in short-term creep under constant stress. Part 1

AY Kuzkin, DA Zadkov, VY Skeeba… - CIS Iron and Steel …, 2024 - rudmet.net
Mechanical processing of Chromium-nickel steel machining (cutting, pressure treatment) is
impossible without taking into account their short-term creep and ductility properties. The …

Remaining lifetime assessment of 141,000-hour service-aged forge 91-pipe 91 steel header welds with novel in-situ digital image correlation

Y Wang, W Zhang, Y Wang, J Siefert, A Bridges… - Materials & Design, 2022 - Elsevier
Condition assessment of welded steam components is a crucial activity for safe power plant
operations. In this work, remaining lifetime of a 141,000-hour service-aged large bore girth …

Eliminating the soft zone for grade 91 steel weldment via enhancing prior austenite grain size of the intercritical heat-affected zone

Z Gu, M Zhong, C Wang - Materials Characterization, 2024 - Elsevier
The soft zone is deemed unwanted for grade 91 steel weldments as it constitutes a cracking-
sensitive region deleterious for long-term creep performance. In the present work, formation …

[HTML][HTML] Characterization of the cyclic softening and remaining creep behaviour of P92 steel weldment

W Zhang, X Wang, Z Kang, T Zhang, Y Jiang… - Journal of Materials …, 2021 - Elsevier
Different micro-regions of weldment are expected to present various cyclic softening
behaviours during creep–fatigue interaction (CFI), which has a significant influence on the …

A study on as-welded microstructure and mechanical properties of thick-walled 9Cr3W3Co1CuVNbBN martensitic steel weldment

HG Han, F Wang, YH Lu, YM Han, ZZ Chen - International Journal of …, 2023 - Elsevier
A systematic study on the microstructure evolutions and their relationships with mechanical
properties of thick-walled 9Cr3W3Co1CuVNbBN martensitic steel pipe joint welded by …

Characterization of heterogeneous creep deformation in vanadium-modified 2.25 Cr1Mo steel weldments by digital image correlation

L Chu, X Chen, Z Fan, Y Zhou, Z Wu, Q Cui - Materials Science and …, 2021 - Elsevier
Low alloy ferritic steels are widely used to manufacture critical components that operating at
elevated temperatures in the process industry, but a better understanding of the creep …

Insight into the creep-fatigue interaction and remaining creep damage mechanisms in different micro-regions of 9% Cr steel welded joints

W Zhang, X Wang, Z Kang, T Zhang, Y Jiang… - Materials …, 2022 - Elsevier
The deformation and damage mechanisms of welded joints have gained high interest for
their widespread use in power plants. The inter-critical heat-affected zone (ICHAZ) is …