Results 1 to 10 of about 135,445 (331)

Grain refinement by rapid cyclic heating and its effect on cleavage fracture behaviour of an S690 high strength steel

open access: goldJournal of Materials Research and Technology, 2023
The simultaneous improvement of strength and toughness with grain refinement is widely known. However, the literature lacks studies on the grain refinement effect on cleavage fracture toughness in multiphase steels containing detrimental brittle ...
V. Bertolo   +7 more
doaj   +2 more sources

Grain Initiation and Grain Refinement: An Overview

open access: yesMetals, 2022
Heterogeneous nucleation and grain initiation are two different processes in early-stage solidification (ESS), although both are deterministic. Heterogeneous nucleation refers to the formation of a 2-dimensional (2D) nucleus (a crystal plane of the solid)
Zhongyun Fan, Feng Gao
doaj   +4 more sources

Effect of different grain structures on centerline macrosegregation during direct-chill casting [PDF]

open access: yesMaterials Science and Technology, 2008
This is the post-print version of the final paper published in Acta Materialia. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and ...
Eskin, DG, Katgerman, L, Nadella, R
core   +2 more sources

Impeding Nucleation for More Significant Grain Refinement. [PDF]

open access: yesSci Rep, 2020
AbstractGrain refinement has been a topic of extensive research due to its scientific and technological importance as a common industrial practice for over seven decades. The traditional approach to grain refinement has been to reduce nucleation undercooling by the addition of potent nucleant particles.
Fan Z, Gao F, Jiang B, Que Z.
europepmc   +6 more sources

Determination of the degree of grain refinement in irradiated U-Mo fuels [PDF]

open access: yesHeliyon, 2018
A simple, repeatable method for determination of the degree of grain refinement in irradiated Uranium-Molybdenum fuels has been developed. This method involves mechanical potting and polishing of samples along with examination using a scanning electron ...
Andrew M. Casella   +3 more
doaj   +2 more sources

A comparative study of the role of solute, potent particles and ultrasonic treatment during solidification of pure Mg, Mg–Zn and Mg–Zr alloys

open access: yesJournal of Magnesium and Alloys, 2021
Ultrasonic treatment (UST) applied during the solidification of pure Mg, eutectic (Mg – Zn) and peritectic (Mg – Zr) alloys was investigated in order to explore the grain refinement mechanisms.
Nagasivamuni Balasubramani   +4 more
doaj   +1 more source

Grain Refinement of Aluminum and Aluminum Alloys by Sc and Zr

open access: yesMetals, 2023
Rare earth elements and transition elements are widely used in aluminum alloys, magnesium alloys and copper alloys due to their unique microalloying effects.
Zhiguo Lei   +4 more
doaj   +1 more source

Recent Advances in the Grain Refinement Effects of Zr on Mg Alloys: A Review

open access: yesMetals, 2022
As the lightest structural materials, Mg alloys show great effectiveness at energy saving and emission reduction when applied in the automotive and aerospace fields.
Ming Sun   +5 more
doaj   +1 more source

Investigation of Ti1−x(Zr,Ta,V,W)xB2 and Al3Ti1−x(Zr,V)x grain refiners in additively manufactured Al-2 wt%Cu alloys by a high throughput method

open access: yesMaterials & Design, 2022
Grain refinement plays a central role in powder bed fusion (PBF) additive manufacturing by preventing hot cracking and thus enabling the development of high-strength alloys.
Freddy Leijon   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy