You are currently on the new version of our website. Access the old version .

29 Results Found

  • Article
  • Open Access
3 Citations
3,038 Views
12 Pages

Fabrication of Highly Compacted Green Body Using Multi-Sized Al Powder under a Centrifugal Force

  • Bakytzhan Sariyev,
  • Abilkhairkhan Aldabergen,
  • Dulat Akzhigitov,
  • Boris Golman and
  • Christos Spitas

This study investigates the application of centrifugal force for the compaction of metal powder. Previous studies using the centrifugal force for manufacturing the green bodies were focused on fine powders with narrow particle size distribution or bi...

  • Article
  • Open Access
2 Citations
3,166 Views
18 Pages

Numerical Simulation of Gas Atomization and Powder Flowability for Metallic Additive Manufacturing

  • Yonglong Du,
  • Xin Liu,
  • Songzhe Xu,
  • Enxiang Fan,
  • Lixiao Zhao,
  • Chaoyue Chen and
  • Zhongming Ren

2 October 2024

The quality of metal powder is essential in additive manufacturing (AM). The defects and mechanical properties of alloy parts manufactured through AM are significantly influenced by the particle size, sphericity, and flowability of the metal powder....

  • Article
  • Open Access
5 Citations
2,156 Views
10 Pages

8 January 2021

The vague influence of thermal action of electrical discharge on size distribution of metallic powders hinders the adjustability of powder quality. Due to the small gap, short discharge on-time, uncertain discharge point, and strong light interferenc...

  • Article
  • Open Access
1 Citations
1,969 Views
14 Pages

11 May 2024

Classical kinetic models describing the hydrogen absorption of nanocrystalline metallic hydrides generally do not involve any parameter related to the change in the crystallite size during the hydrogenation at constant temperature. In the present inv...

  • Article
  • Open Access
12 Citations
5,002 Views
15 Pages

Carbon Particle In-Situ Alloying of the Case-Hardening Steel 16MnCr5 in Laser Powder Bed Fusion

  • Matthias Schmitt,
  • Albin Gottwalt,
  • Jakob Winkler,
  • Thomas Tobie,
  • Georg Schlick,
  • Karsten Stahl,
  • Ulrich Tetzlaff,
  • Johannes Schilp and
  • Gunther Reinhart

31 May 2021

The carbon content of steel affects many of its essential properties, e.g., hardness and mechanical strength. In the powder bed fusion process of metals using a laser beam (PBF-LB/M), usually, pre-alloyed metal powder is solidified layer-by-layer usi...

  • Article
  • Open Access
1,547 Views
23 Pages

Creating complex structures using multiple materials in additive manufacturing comes with a unique set of challenges, particularly when it comes to how the materials transition and bond together. This research looks at a new powder binning method for...

  • Article
  • Open Access
120 Citations
10,341 Views
18 Pages

18 April 2019

Selective laser melting (SLM) is an additive manufacturing (AM) technique that has the potential to produce almost any three-dimensional (3D) metallic part, even those with complicated shapes. Throughout the SLM process, the heat transfer characteris...

  • Article
  • Open Access
41 Citations
7,795 Views
14 Pages

Microstructure and Tensile Properties of AlSi10Mg Alloy Manufactured by Multi-Laser Beam Selective Laser Melting (SLM)

  • Zhonghua Li,
  • Zezhou Kuai,
  • Peikang Bai,
  • Yunfei Nie,
  • Guang Fu,
  • Wenpeng Liu and
  • Shuai Yang

11 December 2019

The multi-beam selective laser forming system is a new type of powder bed laser forming equipment that is different from single-laser selective laser melting (SLM) printers. It is a new generation for a metal powder material moulding process that has...

  • Review
  • Open Access
9 Citations
6,395 Views
27 Pages

5 June 2024

Over the past decade, significant research has focused on detecting abnormalities in metal laser powder bed fusion (L-PBF) additive manufacturing. Effective online monitoring systems are crucial for enhancing process stability, repeatability, and the...

  • Article
  • Open Access
4 Citations
3,230 Views
8 Pages

Facile Organometallic Synthesis of Fe-Based Nanomaterials by Hot Injection Reaction

  • Georgia Basina,
  • Hafsa Khurshid,
  • Nikolaos Tzitzios,
  • George Hadjipanayis and
  • Vasileios Tzitzios

28 April 2021

Fe-based colloids with a core/shell structure consisting of metallic iron and iron oxide were synthesized by a facile hot injection reaction of iron pentacarbonyl in a multi-surfactant mixture. The size of the colloidal particles was affected by the...

  • Article
  • Open Access
668 Views
23 Pages

19 October 2025

Overcoming the strength–ductility trade-off in conventional aluminum matrix composites (AMCs) remains a significant challenge. This study employs dual-scale hybrid reinforcement particles comprising micron-sized Cu and nano-sized Ti, alongside...

  • Article
  • Open Access
6 Citations
2,723 Views
9 Pages

15 July 2020

This research studies the effect of multi-wall carbon nanotube (MWCNT) coated nickel to foaming time on the foam expansion and the distribution of pore sizes MWCNT reinforced AlMg4Si8 foam composite by powder metallurgy process. To control interface...

  • Article
  • Open Access
4 Citations
1,918 Views
12 Pages

12 December 2022

A fully transient discrete-source 3D Additive Manufacturing (AM) process model was coupled with a 3D stochastic solidification structure model to simulate the grain structure evolution quickly and efficiently in metallic alloys processed through Elec...

  • Article
  • Open Access
6 Citations
2,714 Views
21 Pages

Research on Multiscale Numerical Simulation Method for SLM Melting Process

  • Fan Zou,
  • Shuguang Yao,
  • Yunhui Dong,
  • Xin Zheng,
  • Minhan Xie,
  • Lei Yang and
  • Dongtao Wang

18 July 2024

In the selective-laser-melting process, it is difficult to monitor the evolution of the melt pool in real time via experimental methods due to the complexity and fine scale of laser–powder interaction; numerical simulation has become an importa...

  • Article
  • Open Access
13 Citations
3,726 Views
17 Pages

14 October 2023

One of the key challenges in laser powder bed fusion (LPBF) additive manufacturing of metals is the appearance of microscopic pores in 3D-printed metallic structures. Quality control in LPBF can be accomplished with non-destructive imaging of the act...

  • Article
  • Open Access
44 Citations
6,380 Views
19 Pages

Influence of Selective Laser Melting Additive Manufacturing Parameters in Inconel 718 Superalloy

  • Nikolaos Kladovasilakis,
  • Paschalis Charalampous,
  • Konstantinos Tsongas,
  • Ioannis Kostavelis,
  • Dimitrios Tzovaras and
  • Dimitrios Tzetzis

12 February 2022

Selective laser melting (SLM) is one of the most reliable and efficient procedures for Metal Additive Manufacturing (AM) due to the capability to produce components with high standards in terms of dimensional accuracy, surface finish, and mechanical...

  • Article
  • Open Access
1 Citations
1,786 Views
20 Pages

18 July 2024

Electron beam selective melting is a metal powder bed fusion additive manufacturing technology. In order to study the temperature field and melt pool changes of high Nb-TiAl electron beam selective melting on a single scan line and multi-scan lines....

  • Article
  • Open Access
1 Citations
2,290 Views
17 Pages

21 November 2024

In this study, three stainless steel materials (17-4PH, 316L, and 304) were experimentally simulated using metal injection molding (MIM) technology to explore the size shrinkage behavior and defect formation mechanism of materials with different part...

  • Article
  • Open Access
17 Citations
4,826 Views
28 Pages

25 August 2020

Electron beam melting (EBM) is a relatively new process in three-dimensional (3D) printing to enable rapid manufacturing. EBM can manufacture metallic parts with thin walls, multi-layers, and complex internal structures that could not otherwise be pr...

  • Article
  • Open Access
30 Citations
4,062 Views
14 Pages

22 April 2022

Laser powder bed fusion (LPBF) is a powder-bed-based metal additive manufacturing process with multiple influencing parameters as well as multi-physics interaction. The laser scanning speed, which is one of the essential process parameters of the LPB...

  • Article
  • Open Access
4 Citations
3,822 Views
17 Pages

Selective laser sintering (SLS) is one of the most commonly used methods in additive manufacturing, due to its high prototyping speed and applicability to various materials. In the present work, molecular dynamics (MD) simulations were performed to s...

  • Perspective
  • Open Access
24 Citations
7,767 Views
14 Pages

14 October 2022

Various growth processes have been utilized for the development of lithium iron phosphate including microwave treatment, spray thermal decomposition, sol-gel and the hydrothermal route. However, microwave treatment, spray process and sol-gel suffer f...

  • Article
  • Open Access
9 Citations
4,340 Views
15 Pages

9 July 2022

High-Pressure (HP) technology allows new possibilities of processing by Spark Plasma Synthesis (SPS). This process is mainly involved in the sintering process and for bonding, growing and reaction. High-Pressure tools combined with SPS is applied for...

  • Article
  • Open Access
2 Citations
1,611 Views
32 Pages

Defining and Optimising High-Fidelity Models for Accurate Inherent Strain Calculation in Laser Powder Bed Fusion

  • Iñaki Setien,
  • Michele Chiumenti,
  • Maria San Sebastian,
  • Manuel A. Caicedo and
  • Carlos A. Moreira

11 February 2025

Powder Bed Fusion–Laser Beam (PBF-LB) is a leading technique in metal additive manufacturing, yet it continues to face challenges related to residual stresses and distortions. The inherent strain method has emerged as a valuable predictive tool...

  • Article
  • Open Access
866 Views
28 Pages

25 October 2025

Effective thermal management is essential in metal additive manufacturing to ensure process stability and desirable material properties. Directed energy deposition using a laser beam and wire (DED-LB/w) enables the production of large, high-performan...

  • Article
  • Open Access
5 Citations
3,999 Views
17 Pages

20 October 2021

Among lithium battery cathode materials, Li1.2Ni0.13Mn0.54Co0.13O2 (LR-NMC) has a high theoretical capacity, but suffers from voltage and capacity fade during cycling. This is partially ascribed to transition metal cation migration, which involves th...

  • Article
  • Open Access
20 Citations
4,519 Views
13 Pages

Novel Hydroxyapatite Beads for the Adsorption of Radionuclides from Decommissioned Nuclear Power Plant Sites

  • Thi Nhung Tran,
  • Junho Kim,
  • Joo-Sung Park,
  • Youngkun Chung,
  • Jaemun Han,
  • Seungjun Oh and
  • Seoktae Kang

16 February 2021

Although a powdered form of hydroxyapatite (p-HdA) has been studied for the adsorption of heavy metals that contaminate the restoration sites of decommissioned nuclear power plants, most of the studies are limited in the laboratory due to the head lo...

  • Article
  • Open Access
16 Citations
3,503 Views
39 Pages

3 December 2022

Additive technologies enable the flexible production through scalable layer-by-layer fabrication of simple to intricate geometries. The existing 3D-printing technologies that use powders are often slow with controlling parameters that are difficult t...

  • Article
  • Open Access
3 Citations
2,063 Views
14 Pages

Complementary Methods for the Assessment of the Porosity of Laser Additive-Manufactured Titanium Alloy

  • Silviu Mihai Petrișor,
  • Adriana Savin,
  • Mariana Domnica Stanciu,
  • Zdenek Prevorovsky,
  • Marian Soare,
  • František Nový and
  • Rozina Steigmann

24 September 2023

The method of making parts through additive manufacturing (AM) is becoming more and more widespread due to the possibility of the direct manufacturing of components with complex geometries. However, the technology’s capacity is limited by the a...