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Journal of Manufacturing and Materials Processing, Volume 1, Issue 1

September 2017 - 11 articles

Cover Story: Direct Metal Deposition (DMD) is an additive manufacturing (AM) process capable of producing large components using a layer by layer deposition of molten powder. DMD is increasingly investigated due to its higher deposition rate and the possibility to produce large structural components specifically for the aerospace industry. In this study, two methods to predict temperature evolution during the DMD process are introduced based on analytical and finite element methods. The objective is to compare these methods to experimental results and to provide more insights about their capabilities to predict accurately the temperature gradient, the cooling rate, and the melt pool geometry. A comparison of the computational time is also provided. Based on the results of the investigation, it appears that the analytical method provides an effective and accurate method to understand the influence of process on the workpiece temperature.View this paper

Articles (11)

  • Article
  • Open Access
26 Citations
6,787 Views
19 Pages

Under the support of an SBIR Phase II/IIB grant from the National Science Foundation, OMAX has developed and commercialized micro abrasive (µAWJ), culminating A MicroMAX® JetMachining® Center technology for meso-micro machining. AWJ inherently posses...

  • Article
  • Open Access
58 Citations
9,030 Views
11 Pages

This paper presents a new numerical approach for modelling the 3D printing process of fibre reinforced polymer composites by fused deposition modelling (FDM). The approach is based on the coupling between two particle methods, namely smoothed particl...

  • Article
  • Open Access
10 Citations
5,211 Views
14 Pages

The melt-extrusion process is utilized in the pharmaceutical arena for the manufacturing of a variety of dosage forms and formulations, including solid dispersions. This technology is considered an efficient and continuous dosage form manufacturing m...

  • Communication
  • Open Access
15 Citations
4,338 Views
9 Pages

In Vitro Corrosion and Biological Assessment of Bioabsorbable WE43 Mg Alloy Specimens

  • Emmet Galvin,
  • Swarna Jaiswal,
  • Caitríona Lally,
  • Bryan MacDonald and
  • Brendan Duffy

Bioabsorbable magnesium (Mg) alloys have several advantages in biomedical implant applications as they reduce certain risks associated with conventional permanent implants. However, limited information is available for WE43 Mg alloy specimens with co...

  • Letter
  • Open Access
7 Citations
6,140 Views
13 Pages

Machining is one of the major manufacturing techniques where the material is removed to prepare the complete or sub-part. In general, this is also referred to as subtractive manufacturing. Due to solid-to-solid contact between the cutting tool and th...

  • Review
  • Open Access
69 Citations
25,437 Views
16 Pages

Nitrogen-vacancy (NV) in diamond possesses unique properties for the realization of novel quantum devices. Among the possibilities in the solid state, a NV defect center in diamond stands out for its robustness—its quantum state can be initialized, m...

  • Article
  • Open Access
18 Citations
7,331 Views
10 Pages

Advanced high-strength steel (AHSS) is subject to a high deformation in geometry due to spring-back and high forces during forming. Therefore, dieless single-point incremental forming supported by induction heating was introduced. When a HCT980C stee...

  • Article
  • Open Access
2 Citations
4,303 Views
11 Pages

The modification of tribological properties of highly loaded components by selecting a suitable manufacturing process is state-of-the-art. Beyond the generation of microgeometrical structures, the present study investigates the potential of chemical...

  • Article
  • Open Access
53 Citations
9,042 Views
14 Pages

Analytical and Numerical Temperature Prediction in Direct Metal Deposition of Ti6Al4V

  • Benoit De La Batut,
  • Omar Fergani,
  • Vegard Brotan,
  • Markus Bambach and
  • Mohamed El Mansouri

Direct Metal Deposition (DMD) is an additive manufacturing (AM) process capable of producing large components using a layer by layer deposition of molten powder. DMD is increasingly investigated due to its higher deposition rate and the possibility t...

  • Article
  • Open Access
60 Citations
10,202 Views
32 Pages

Prosumer (producing consumer)-based desktop additive manufacturing has been enabled by the recent radical reduction in 3-D printer capital costs created by the open-source release of the self-replicating rapid prototype (RepRap). To continue this suc...

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