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Journal of Manufacturing and Materials Processing, Volume 8, Issue 6

December 2024 - 64 articles

Cover Story: Additive manufacturing (AM) encompasses various techniques, including powder bed fusion (PBF), such as selective laser sintering (SLS) and multi-jet fusion (MJF). In this paper, we present our work demonstrating the presence of anisotropy in fracture behaviour due to the build orientation. To evaluate this anisotropy, the fracture behaviour of polyamide 12 polymer manufactured by SLS and MJF were investigated with experiments and numerical modelling of Mode I compact tension (CT) specimens. Experiments were monitored by digital image correlation (DIC) and infrared thermography (IRT). Comparative analyses between SLS and MJF technologies unveiled dissimilar trends in mechanical strength, build-orientation effects, and fracture properties. View this paper
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Articles (64)

  • Article
  • Open Access
4 Citations
3,387 Views
16 Pages

Energy Efficient Jet Polishing via Electrolytic Plasma Enhances Corrosion Resistance in Stainless Steel

  • Adel Ghezri,
  • Killang Pratama,
  • Yan Scholl,
  • Alexander Küenzi,
  • Thomas Nelis,
  • Jürgen Burger and
  • Cedric Bessire

This study systematically compares the surface polishing performance and finishing results of the following two different electrolytic plasma polishing technologies on stainless steel AISI 316L: (i) plasma electrolytic polishing (PEP) and (ii) plasma...

  • Article
  • Open Access
5 Citations
3,559 Views
18 Pages

Processing high-performance aluminum alloys, including 6xxx and 7xxx series, via laser additive manufacturing (AM) processes poses significant challenges, primarily due to the rapid cooling rates inherent in these processes, which often result in sol...

  • Article
  • Open Access
4 Citations
2,601 Views
14 Pages

An Identification and Localization Method for 3D Workpiece Welds Based on the DBSCAN Point Cloud Clustering Algorithm

  • Nian Zhou,
  • Ping Jiang,
  • Shiliang Jiang,
  • Leshi Shu,
  • Xiaoxian Ni and
  • Linjun Zhong

With the development of robotic welding automation, there is a strong interest in welding seam identification and localization methods with high accuracy, real-time performance, and robustness. This paper proposed a 3D workpiece weld identification a...

  • Article
  • Open Access
2 Citations
2,418 Views
21 Pages

Freeform carbon fibres were 3D-printed from CH3OH:H2O mixtures using hyperbaric-pressure laser chemical vapour deposition (HP-LCVD). The experiment overlapped a region of known diamond growth, with the objective of depositing diamond-like carbon with...

  • Article
  • Open Access
2 Citations
1,908 Views
15 Pages

An Integrated Modeling Framework for Automated Product Design, Topology Optimization, and Mechanical Simulation

  • Paschalis Charalampous,
  • Athanasios Pelekoudas,
  • Ioannis Kostavelis,
  • Dimosthenis Ioannidis and
  • Dimitrios Tzovaras

The present study introduces an integrated software approach that provides an automated product design toolkit for customized products like knives, incorporating topology optimization (TO) and numerical simulations in order to streamline engineering...

  • Article
  • Open Access
2 Citations
1,883 Views
14 Pages

Cryo-Rolled AA5052 Alloy: Insights into Mechanical Properties, Formability, and Microstructure

  • Arun Achuthankutty,
  • Rohith Saravanan,
  • Hariesh Nagarajan,
  • Vidyanand Pasunuri,
  • Nishanth Hari Gopal,
  • Ajith Ramesh,
  • Sumesh Arangot and
  • Dinu Thomas Thekkuden

Industries operating in extreme conditions demand materials with exceptional strength, fatigue resistance, corrosion resistance, and formability. While AA5052 alloy is widely used in such industries due to its high fatigue strength and corrosion resi...

  • Article
  • Open Access
3 Citations
2,775 Views
21 Pages

The P91 martensitic steel and 304L austenitic stainless steels are two mainly used structural steels in power plants. The major problem in conventional multipass tungsten inert gas (TIG) welding of P91/304L steel is high heat input and joint distorti...

  • Review
  • Open Access
12 Citations
2,691 Views
30 Pages

Recent Advances and Applications of Carbon Nanotubes (CNTs) in Machining Processes: A Review

  • Reza Sallakhniknezhad,
  • Hossein Ahmadian,
  • Tianfeng Zhou,
  • Guo Weijia,
  • Senthil Kumar Anantharajan,
  • Ayman M. Sadoun,
  • Waleed Mohammed Abdelfattah and
  • Adel Fathy

Recently, there has been much scholarly research on the applications of CNTs in various fields which can be attributed to their outstanding properties. For that matter, machining processes as the backbone of manufacturing technologies have also benef...

  • Article
  • Open Access
1 Citations
2,174 Views
11 Pages

Local Remelting in Laser Powder Bed Fusion

  • Janno Lehmann,
  • Martin Weise,
  • Markus Köhler,
  • Frank von Lacroix,
  • Vasily Ploshikhin and
  • Klaus Dilger

In Laser Powder Bed Fusion, process material defects such as a lack of fusion, powder inclusions and cavities occur repeatedly by chance. These stochastically distributed defects can significantly reduce the mechanical performance of the components d...

  • Article
  • Open Access
1,571 Views
13 Pages

In this work, the effect of high-entropy alloy powder preparation on the coatings deposited via high-velocity oxygen fuel sprayings was studied. The powders of FeNiCoCrMo0.5Al1.3 composition were prepared by milling and gas atomization. The structure...

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J. Manuf. Mater. Process. - ISSN 2504-4494