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Metals, Volume 10, Issue 12

December 2020 - 139 articles

Cover Story: The cell structure of aluminum foams fabricated under increased pressure is fined because high pressure reduces bubble coalescing and hinders gravity drainage. The compressive displacement–load curve of foam-filled tube is smoothed with the decrease of foam cell size, which leads to the increase of not only energy absorption but also energy absorption efficiency. This indicates that the aluminum foams fabricated by the increased pressure foaming route are an appropriate core material to improve the engineering applications of foam-filled tubes. View this paper.
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Articles (139)

  • Article
  • Open Access
11 Citations
3,184 Views
11 Pages

21 December 2020

This study investigates three processes of multidirectional forging (MDF), namely, closed MDF (CMDF), single-open MDF, and double-open MDF, by using a constitutive equation and a dynamic recrystallization model of hot deformation of the GH4169 supera...

  • Article
  • Open Access
21 Citations
3,461 Views
14 Pages

Modification of Alumina Inclusions in SWRS82B Steel by Adding Rare Earth Cerium

  • Yi Wang,
  • Changrong Li,
  • Linzhu Wang,
  • Xingqiang Xiong,
  • Lu Chen and
  • Changling Zhuang

21 December 2020

The aluminum oxide inclusions in SWRS82B steel seriously affect the drawing performance of the steel strand. In this study, the influence of different additions of cerium (within the range of 0–0.034%) on the composition, morphology, size, numb...

  • Article
  • Open Access
19 Citations
3,659 Views
11 Pages

Fe-6.5 wt%Si Powder Cores with Low Core Loss by Optimizing Particle Size Distribution

  • JianJun Huang,
  • Lixin Jiao,
  • Yu Yang,
  • Yaqiang Dong,
  • Yiqun Zhang,
  • Liang Chang,
  • Mengji Gong,
  • Jiawei Li,
  • Aina He and
  • Xinmin Wang

21 December 2020

The effect of different particle size distribution of Fe-6.5 wt%Si powder on the microstructure and soft magnetic properties of the corresponding soft magnetic powder cores (SMPCs) was investigated. By optimizing particle size distribution, the densi...

  • Article
  • Open Access
22 Citations
4,038 Views
15 Pages

Control of Density and Grain Structure of a Laser Powder Bed-Fused Superelastic Ti-18Zr-14Nb Alloy: Simulation-Driven Process Mapping

  • Vladimir Brailovski,
  • Victoria Kalinicheva,
  • Morgan Letenneur,
  • Konstantin Lukashevich,
  • Vadim Sheremetyev and
  • Sergey Prokoshkin

21 December 2020

This study focuses on the control of density and grain structure of a superelastic Ti-18Zr-14Nb (at. %) alloy subjected to laser powder bed fusion. It starts with the production and characterization of a Ti-18Zr-14Nb powder feedstock and printing of...

  • Article
  • Open Access
31 Citations
4,659 Views
14 Pages

Reuse of Grade 23 Ti6Al4V Powder during the Laser-Based Powder Bed Fusion Process

  • Ryan Harkin,
  • Hao Wu,
  • Sagar Nikam,
  • Justin Quinn and
  • Shaun McFadden

21 December 2020

Titanium alloy powder used for laser-based powder bed fusion (L-PBF) process is costly. One of the solutions is the inclusion of a powder recycling strategy, allowing unused or exposed powder particles to be recuperated post manufacture, replenished...

  • Article
  • Open Access
17 Citations
3,646 Views
8 Pages

Electrochemically Synthesized Nanoflowers to Nanosphere-Like NiCuSe2 Thin Films for Efficient Supercapacitor Application

  • Surendra K. Shinde,
  • Dae-Young Kim,
  • Vinayak G. Parale,
  • Hyung-Ho Park and
  • Hemraj M. Yadav

21 December 2020

Developing efficient electrochemically active nanostructures from Earth-abundant elements has gained significant interest in recent years. Among different transition metals, nickel and copper are abundant electrocatalysts for energy-storage applicati...

  • Communication
  • Open Access
2 Citations
2,193 Views
8 Pages

20 December 2020

Commonly adopted main methods aimed to improve the strength–toughness combination of high strength aluminum alloys are based on a standard process. Such a process includes alloy solution heat treatment, water-quench and reheating at controlled...

  • Article
  • Open Access
8 Citations
4,032 Views
18 Pages

CO and CO2 Anode Gas Concentration at Lower Current Densities in Cryolite Melt

  • Nikolina Stanic,
  • Embla Tharaldsen Bø and
  • Espen Sandnes

20 December 2020

This work aims to study the CO-CO2 gas composition at low potentials and low current densities in cryolite melt with relatively low alumina content (≤2 wt%). There is a scarcity of data in the literature regarding the low current density region an...

  • Article
  • Open Access
2 Citations
3,038 Views
11 Pages

18 December 2020

A new solid-state bonding technique, Joule heating diffusion bonding, was used for the dissimilar bonding of commercial-purity Ti to 304 stainless steel within a short time without macroscopic deformation of the workpieces. The tensile strengths of t...

  • Review
  • Open Access
14 Citations
3,957 Views
13 Pages

A Compact Review of Laser Welding Technologies for Amorphous Alloys

  • Jian Qiao,
  • Peng Yu,
  • Yanxiong Wu,
  • Taixi Chen,
  • Yixin Du and
  • Jingwei Yang

18 December 2020

Amorphous alloys have emerged as important materials for precision machinery, energy conversion, information processing, and aerospace components. This is due to their unique structure and excellent properties, including superior strength, high elast...

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Metals - ISSN 2075-4701