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Metals, Volume 15, Issue 9

September 2025 - 132 articles

Cover Story: A fresh review delves into ~370 papers on machine learning and AI for select metal additive manufacturing (AM) processes. The intersection of these topics since 2020 indicates that the research is booming and has not plateaued. Top wins include smarter process tuning, live monitoring, defect spotting, and melt-pool prediction. However, gaps remain, including closed-loop control and lack of generalization across systems. Future research directions are outlined, emphasizing the need for integrated thermo-mechanical models, uncertainty quantification, and adaptive control strategies. This review serves as a resource for researchers aiming to advance intelligent control and predictive modeling in directed energy deposition-based AM. View this paper
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Articles (132)

  • Article
  • Open Access
551 Views
20 Pages

22 September 2025

The existing continuous caster layout curves cause plastic deformation of slabs during bending and straightening segments, while no effective deformation occurs in the basic arc segment, which tends to induce defects, such as cracks, and compromise s...

  • Article
  • Open Access
1 Citations
947 Views
44 Pages

22 September 2025

This paper presents three simple and efficient advanced optimization algorithms, namely the best–worst–random (BWR), best–mean–random (BMR), and best–mean–worst–random (BMWR) algorithms designed to address un...

  • Article
  • Open Access
882 Views
17 Pages

Research on Hybrid Blue Diode-Fiber Laser Welding Process of T2 Copper

  • Xiangkuan Wu,
  • Na Qi,
  • Shengxiang Liu,
  • Qiqi Lv,
  • Qian Fu,
  • Yue Kang,
  • Min Jin and
  • Miaosen Yang

22 September 2025

This research proposes a non-penetration lap welding process for joining T2 copper power module terminals in high-frequency and high-power electronic applications, using a hybrid laser system combining a 445 nm blue diode laser and a 1080 nm fiber la...

  • Article
  • Open Access
1 Citations
596 Views
20 Pages

22 September 2025

Magnesium alloys have been recently recognized as promising materials for temporary orthopedic applications, thanks to their biocompatibility, nontoxicity and biodegradability, combined with bone-like mechanical properties; nevertheless, their clinic...

  • Article
  • Open Access
582 Views
23 Pages

The Effect of Electrolytic Temperature on the Purity of Electrolytic Pure Iron

  • Di Zhang,
  • Tengshi Liu,
  • Gangsheng Xie,
  • Bo Wang,
  • Xin Cao,
  • Jiaxin Bai,
  • Mingyue Zhong and
  • Han Dong

21 September 2025

The influence of electrolytic temperature on the purity grade of electrolytic pure iron, variations in elemental content, macroscopic morphology, and microstructural characteristics was studied using electrodeposition experiments alongside glow disch...

  • Article
  • Open Access
507 Views
15 Pages

Evaluation of the Resistance of APS-Developed Woka-Diamalloy Carbide Coatings to High-Temperature Damage

  • Yildiz Yarali Ozbek,
  • Okan Odabas,
  • Yasin Ozgurluk and
  • Abdullah Cahit Karaoglanli

21 September 2025

This study was conducted to evaluate the high-temperature protection performance of new hard coating systems. Woka 7202 (Cr3C2-NiCr) and Diamalloy 2002 (WC-NiCrFeBSiC) powders were coated onto 316L stainless steel substrates using the atmospheric pla...

  • Article
  • Open Access
917 Views
23 Pages

Influence of Tramp Elements on Phase Transformations, Microstructure and Hardness of a 0.3 wt.%C Low-Alloyed Steel

  • Marek Gocnik,
  • Lukas Hatzenbichler,
  • Michael Meindlhumer,
  • Phillip Haslberger,
  • Matthew Galler,
  • Andreas Stark,
  • Claes-Olof A. Olsson,
  • Jozef Keckes and
  • Ronald Schnitzer

20 September 2025

Decarbonizing the steel industry relies on a transition from carbon-intensive blast furnace technology to scrap-based secondary steelmaking using electric arc furnaces. This transition introduces tramp elements and leads to their gradual accumulation...

  • Article
  • Open Access
615 Views
18 Pages

20 September 2025

Ensuring the long-term integrity of structural materials in extreme environments is a critical challenge in the design of equipment for nuclear fuel cycle operations. In particular, the durability of materials exposed to high temperatures and chemica...

  • Article
  • Open Access
743 Views
13 Pages

High-Purity Tungsten Oxide Production from Low-Grade Scheelite Concentrates at Pilot Plant Scale

  • Javier Nieto,
  • Lourdes Yurramendi,
  • Javier Antoñanzas and
  • Jose Luis Aldana

20 September 2025

Tungsten is a critical raw material with increasingly important industrial applications. It is primarily found in minerals such as scheelite and wolframite (0.5% W), which are extracted and processed at the mine site to produce a high-grade scheelite...

  • Article
  • Open Access
412 Views
19 Pages

Insights into Optimizing Heat Treatment for Hot Isostatic Pressing of Ti-48Al-3Nb-1.5Ta Alloy Powder

  • Zhenbo Zuo,
  • Rui Hu,
  • Shaoqiang Li,
  • Chengpeng Liu,
  • Qingxiang Wang,
  • Xiangyu Gao,
  • Yunjin Lai,
  • Xian Luo,
  • Cheng Luo and
  • Zonghong Qu
  • + 1 author

20 September 2025

In this study, various characterization techniques were utilized to investigate the effects of heat treatments on the microstructure and mechanical properties of Ti-48Al-3Nb-1.5Ta (at. %) alloy prepared by the supreme-speed plasma rotating electrode...

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Metals - ISSN 2075-4701