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Mechanically strong nanopapers based on lignin containing cellulose micro- and nano-hybrid fibrils: Lignin content-fibrils morphology-strengthening mechanism.

Carbohydrate Polymers, 2023
Lignin-containing cellulose nanopapers are emerging multifunctional materials in the fields of coatings, films, and packaging. However, the forming mechanism and properties of nanopapers with various lignin content have not been thoroughly studied.
Jiran Dong   +7 more
semanticscholar   +1 more source

Microstructure and strengthening mechanism of hot-extruded ultralight Mg-Li-Al-Sn alloys with high strength

Journal of Materials Science & Technology, 2021
Duplex-structured Mg-7Li-2Al-1.5Sn alloys with high strength were fabricated and their strengthening mechanism was investigated. The Mg-7Li-2Al-1.5Sn alloys were prepared by casting and extruded at the temperature of 533 K with an extrusion ratio of 25:1.
Gang Zhou   +9 more
semanticscholar   +1 more source

The cellular boundary with high density of dislocations governed the strengthening mechanism in selective laser melted 316L stainless steel

, 2021
The cellular sub-grain was widely reported as the main contributor to the high yield strength of selective laser melted stainless steels, but its underlying strengthening mechanism was still unclear.
Yuanjian Hong   +4 more
semanticscholar   +1 more source

Strengthening mechanism of fracture properties by nano materials for cementitious materials subject to early-age frost attack

, 2021
With the increasing interest and utilization of nano materials to cementitious materials, the mechanical properties of the nano materials-modified cementitious materials under the severe environmental conditions is critical for their successful ...
Ya Wei, Weikang Kong, Yaqiong Wang
semanticscholar   +1 more source

Multiphase precipitation and its strengthening mechanism in a V-containing austenite-based low density steel

Intermetallics (Barking), 2021
Multiple precipitates have been utilized so as to improve the strength and strain hardening rate of austenite-based low density steel. Thus, a two-step heat treatment process including annealing and aging was designed for a V-containing Fe–20Mn–9Al-1.2C ...
Mingxiang Liu   +4 more
semanticscholar   +1 more source

Strengthening mechanism of CoCrNiMox high entropy alloys by high-throughput nanoindentation mapping technique

, 2021
A novel nanoindentation mapping technique was employed to correlate the microstructure, composition and mechanical properties of the fcc, laves and lamellae in CoCrNiMox high-entropy alloys with varying Mo content.
Y. Tong   +7 more
semanticscholar   +1 more source

Effects of vanadium content on the carbides transformation and strengthening mechanism of MPS700V hot-work die steel at room and elevated temperatures

, 2021
The effects of vanadium content on the microstructural and mechanical properties of a newly developed hot-work die steel (MPS700V) at room and elevated temperatures have been investigated in this paper.
Zunjun Zhang   +8 more
semanticscholar   +1 more source

Investigation of the main strengthening mechanism of carbon nanotube reinforced aluminum composites

, 2021
The effects of carbon nanotube aspect ratio (R) on mechanical properties of CNT/Al composites containing 0–2.0 wt% CNTs are studied. The optimum carbon nanotube (CNT) reinforced aluminum (Al) composites are fabricated at 580 °C for 1 h under 60 MPa, and ...
Kun Xie   +5 more
semanticscholar   +1 more source

Microstructure evolution and dislocation strengthening mechanism of Cu–Ni–Co–Si alloy

Materials Science & Engineering: A, 2021
An in-depth exploration of the microstructure evolution and characterization of the dislocation density in Cu–Ni–Si–Co alloy was performed using X-ray diffraction electron backscattering diffraction, transmission electron microscopy, three-dimensional ...
He Wei   +5 more
semanticscholar   +1 more source

Nucleation and strengthening mechanism of laser cladding aluminum alloy by Ni-Cr-B-Si alloy powder based on rare earth control

, 2021
To improve the comprehensive performance of aluminum alloy and expand its application range, a laser cladding technology was used to a prepare Ni-Cr-B-Si alloy cladding layer, adding 4% CeO2, 5% Y2O3, and 5% La2O3 on the surface of 6063Al.
C. Liang   +7 more
semanticscholar   +1 more source

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