Results 11 to 20 of about 102,033 (344)

Coherent Precipitation and Strengthening in Compositionally Complex Alloys: A Review

open access: yesEntropy, 2018
High-performance conventional engineering materials (including Al alloys, Mg alloys, Cu alloys, stainless steels, Ni superalloys, etc.) and newly-developed high entropy alloys are all compositionally-complex alloys (CCAs).
Qing Wang   +5 more
doaj   +3 more sources

Effects of titanium concentration on microstructure and mechanical properties of high-purity vanadium alloys

open access: yesMaterials & Design, 2022
Effects of Ti concentration on microstructure and mechanical properties of high-purity V-4Cr-xTi alloys have been studied by means of scanning electron microscopy, transmission electron microscopy, Vickers hardness and tensile tests.
Jingjie Shen   +5 more
doaj   +1 more source

Mechanism for enhanced precipitation strengthening due to the addition of copper to Al-Zn-Mg alloys with high Zn/Mg ratio

open access: yesMaterials & Design, 2023
The mechanism for enhanced precipitation strengthening due to the addition of copper to Al-9.0Zn-1.5Mg (wt.%) alloys has been investigated by means of tensile test, transmission electron microscopy, anomalous small-angle X-ray scattering and three ...
Mengchu Yang   +4 more
doaj   +1 more source

On the correlation among continuous cooling transformations, interphase precipitation and strengthening mechanism in Ti-microalloyed steel

open access: yesJournal of Materials Research and Technology, 2021
The correlation among continuous cooling transformations, interphase precipitation and their strengthening effect was investigated quantitatively in a Ti- microalloyed steel subjected to a two-stage controlled rolling and cooling process.
Songjun Chen   +4 more
doaj   +1 more source

Mechanism of high-strength and ductility of Mg-RE alloy fabricated by low-temperature extrusion and aging treatment

open access: yesMaterials & Design, 2021
Through studying the effect of initial microstructure on the precipitation behavior, microstructure evolution and mechanical properties of Mg-6Gd-4Y-0.5Zn-0.5Zr alloy, an effective way to fabricate high-strength and ductile Mg-RE alloy was proposed by ...
Xueze Jin   +4 more
doaj   +1 more source

Storyline description of Southern Hemisphere midlatitude circulation and precipitation response to greenhouse gas forcing [PDF]

open access: yes, 2020
As evidence of climate change strengthens, knowledge of its regional implications becomes an urgent need for decision making. Current understanding of regional precipitation changes is substantially limited by our understanding of the atmospheric ...
Hodges, K. I.   +6 more
core   +1 more source

Enhanced strength in Co-free Ni47.5-xFe25Cr25AlxTi2.5 high entropy alloys via introducing dual precipitates

open access: yesJournal of Materials Research and Technology, 2023
Synergistic strengthening mechanisms (e.g. solid solution strengthening, grain/twin boundary strengthening, dislocation strengthening, and precipitation strengthening) have been shown to effectively achieve a balance between strength and ductility of ...
Xiaotao Xu   +6 more
doaj   +1 more source

Mechanical properties and nanoparticles precipitation behavior of multi-component ultra high strength steel

open access: yesMaterials & Design, 2020
This study investigated the precipitation behavior of nanoscale Cu and Ni3Al particles in multi-component ultra-high strength steel (UHSS) and its influence on mechanical properties.
Zhentuan Li   +4 more
doaj   +1 more source

Influence of Coiling Temperature on Microstructure, Precipitation Behaviors and Mechanical Properties of a Low Carbon Ti Micro-Alloyed Steel

open access: yesMetals, 2020
The microstructural evolution, nanosized precipitation behaviors and mechanical properties of a Ti-bearing micro-alloyed steel at different coiling temperatures were studied using optical microstructure (OM), scanning electron micrograph (SEM ...
Mingxue Sun, Yang Xu, Wenbo Du
doaj   +1 more source

Precipitation-strengthened austenitic Fe−Mn−Ti alloys [PDF]

open access: yesMetallurgical Transactions A, 1979
The precipitation of the intermetallic compounds in the Fe-20 Mn-2 Ti and Fe-28 Mn-2 Ti alloy systems has been investigated over the temperature range 700 to 900/sup 0/C using hardness measurements, optical and scanning electron microscopy, and x-ray diffraction.
Chang, K M, Morris, J W
openaire   +5 more sources

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