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

December 2024 - 64 articles

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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

Articles (64)

  • Article
  • Open Access
3 Citations
1,348 Views
11 Pages

AISI 304 is widely regarded as the most common austenitic stainless steel and is utilized in various household and industrial applications, including food handling equipment, machinery components, and heat exchangers. Its popularity stems from its ex...

  • Article
  • Open Access
2 Citations
1,214 Views
17 Pages

Laser powder bed fusion (LPBF) provides a novel approach with high complexity and freedom for material processing and design, and its special thermal history endows the material with anisotropic properties. By adding micro-alloying elements Nb and Ti...

  • Article
  • Open Access
5 Citations
1,960 Views
28 Pages

Elevated-Temperature Tensile Behavior and Properties of Inconel 718 Fabricated by In-Envelope Additive–Subtractive Hybrid Manufacturing and Post-Process Precipitation Hardening

  • Sheida Sarafan,
  • Priti Wanjara,
  • Roger Pelletier,
  • Sila Ece Atabay,
  • Javad Gholipour,
  • Josh Soost,
  • Robert Amos and
  • Prakash Patnaik

The present study focuses on advancing one of the most popular AM techniques, namely, laser powder bed fusion (LPBF) technology, which has the ability to produce complex geometry parts with minimum material waste but continues to face challenges in m...

  • Article
  • Open Access
2 Citations
1,698 Views
16 Pages

Innovative Bioceramic Based on Hydroxyapatite with Titanium Nanoparticles as Reinforcement for Possible Medical Applications

  • Dafne Rubi Porras-Herrera,
  • Héctor Herrera-Hernández,
  • José Guadalupe Miranda-Hernández,
  • José Adalberto Castillo-Robles,
  • Eddie Nahúm Armendariz-Mireles,
  • Carlos Adrián Calles-Arriaga and
  • Enrique Rocha-Rangel

Biomaterials have assumed a decisive role in modern medicine by enabling significant advancements in medical care practices. These materials are designed to interact with biological systems, offering substantial solutions for various medical needs. I...

  • Article
  • Open Access
1,414 Views
15 Pages

One major disadvantage of fused filament fabricated components (FFF) is its well-known anisotropy, which results from the layer-wise adding of material, and that it is not always possible to avoid loading in the layer build-up direction. In particula...

  • Article
  • Open Access
1,991 Views
12 Pages

Monitoring of Directed Energy Deposition Laser Beam of Nickel-Based Superalloy via High-Speed Mid-Wave Infrared Coaxial Camera

  • Marco Mazzarisi,
  • Andrea Angelastro,
  • Sabina Luisa Campanelli,
  • Vito Errico,
  • Paolo Posa,
  • Andrea Fusco,
  • Teresa Colucci,
  • Alexander John Edwards and
  • Simona Corigliano

Directed Energy Deposition Laser Beam (DED-LB) is a promising additive manufacturing technique that uses a laser source and a powder stream to build or repair metal components. Repair applications offer significant economic and environmental benefits...

  • Article
  • Open Access
6 Citations
2,581 Views
24 Pages

In competitive industry, economical and environmentally friendly production techniques are essential. In this sense, cleaner and more sustainable machining techniques are the industry’s focus. In addition to green methods, effective parametric...

  • Article
  • Open Access
1,971 Views
14 Pages

Analysis of Microstructure and Mechanical Properties of CoCrMo Alloys Processed by Metal Binder Jetting Multi-Step Technique

  • Alessandro Pellegrini,
  • Fulvio Lavecchia,
  • Maria Grazia Guerra and
  • Luigi Maria Galantucci

Metal Binder Jetting (BJT/M) has emerged as a promising additive manufacturing (AM) technology for the realization of complex parts using a wide range of metal alloys. This technology offers several advantages, such as design flexibility, reduced lea...

  • Article
  • Open Access
1,869 Views
18 Pages

Influence of Coir Fibre Preparation on Mechanical Properties of Coir Fibre/Epoxy Resin Composites

  • Maja Rujnić Havstad,
  • Ines Tucman,
  • Bruno Krajačić and
  • Ana Pilipović

Polymer composites have been utilized across various industries, especially in transportation, for many years. With a growing emphasis on sustainable production resources, the industry increasingly favours composite materials reinforced with natural...

  • Article
  • Open Access
1,345 Views
19 Pages

Flange Buckling Mechanism in Incremental Shape Rolling of an Automotive-Type Variable Width Component

  • Abdelrahman Essa,
  • Buddhika Abeyrathna,
  • Bernard Rolfe and
  • Matthias Weiss

Automotive structural components from Advanced High-Strength Steels (AHSS) can be manufactured with Flexible Roll Forming (FRF). The application of FRF in the automotive industry is limited due to flange wrinkling defects that increase with material...

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