Small-scale mechanical testing

V Jayaram - Annual Review of Materials Research, 2022 - annualreviews.org
This article reviews recent developments in small-scale mechanical property testing with
some emphasis on intermediate (meso) length scales in complex microstructures and …

Deformation faulting in a metastable CoCrNiW complex concentrated alloy: a case of negative intrinsic stacking fault energy?

S Wei, CC Tasan - Acta Materialia, 2020 - Elsevier
Microscopic crystalline defects are of fundamental importance in unraveling the plastic
deformation response and thereby tailoring the macroscopic load-bearing performances of …

Simultaneous enhancement of stress-and strain-controlled fatigue properties in 316L stainless steel with gradient nanostructure

YB Lei, ZB Wang, JL Xu, K Lu - Acta Materialia, 2019 - Elsevier
A gradient nanostructured (GNS) surface layer with full austenitic phase was synthesized on
AISI 316L stainless steel by surface mechanical rolling treatment at∼ 280° C. The mean …

Superior strength-ductility synergy achieved by synergistic strengthening and strain delocalization in a gradient-structured high-manganese steel

Q Cheng, Y Wang, W Wei, F Guo, Q He, M Wang… - Materials Science and …, 2021 - Elsevier
Here the combination of synergistic strengthening and strain delocalization effects is
realized in high-manganese steel by gradient microstructure designing, which results in an …

Wire laser metal deposition of 22% Cr duplex stainless steel: as-deposited and heat-treated microstructure and mechanical properties

A Baghdadchi, VA Hosseini… - Journal of Materials …, 2022 - Springer
Duplex stainless steel (DSS) blocks with dimensions of 150× 70x30 mm3 were fabricated by
Laser Metal Deposition with Wire (LMDw). Implementation of a programmable logic control …

[HTML][HTML] Cu precipitation-mediated formation of reverted austenite during ageing of a 15–5 PH stainless steel

T Zhou, B Neding, S Lin, JC Tseng, P Hedström - Scripta Materialia, 2021 - Elsevier
A Cu precipitation-mediated austenitic transformation during ageing treatment of a 15–5 PH
stainless steel is revealed through atom probe tomography, in situ synchrotron X-ray …

Characteristics of nucleation and transformation sequence in deformation-induced martensitic transformation

JL Wang, MH Huang, XH Xi, CC Wang, W Xu - Materials Characterization, 2020 - Elsevier
To elucidate the characteristics of the nucleation and transformation of deformation-induced
martensitic transformation, detailed characterisations were performed during quasi-in-situ …

Designing gradient nanograined dual-phase structure in duplex stainless steel for superior strength-ductility synergy

S Xu, Y Han, J Sun, G Zu, M Jiang, W Zhu… - Journal of Materials …, 2024 - Elsevier
Similar to other metallic materials, duplex stainless steel dramatically loses its advantage of
high ductility as they are strengthened. Here, we produce a gradient nanograined dual …

Lean duplex TRIP steel: Role of ferrite in the texture development, plastic anisotropy, martensitic transformation kinetics, and stress partitioning

P Hou, Y Li, D Chae, Y Ren, K An, H Choo - Materialia, 2021 - Elsevier
Constitutive micromechanical behavior of transformation induced plasticity (TRIP) stainless
steel (SS) alloys was investigated using high-energy synchrotron x-ray diffraction (S-XRD) …

[HTML][HTML] Predicting strain-induced martensite in austenitic steels by combining physical modelling and machine learning

W Mu, M Rahaman, FL Rios, J Odqvist, P Hedström - Materials & Design, 2021 - Elsevier
Computational materials design has made significant progress lately. However, one
underexploited opportunity lies in the combination of physically based modelling and …