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Journal of Manufacturing and Materials Processing, Volume 7, Issue 2

April 2023 - 29 articles

Cover Story: Stresses-induced warpage and recoater crash often occur in selective laser melting (SLM) of thin-walled structures. Therefore, the effect of recoater on warpage and failure of different thin-walled parts (1 mm thick) printed by SLM is studied. After buildup, the warpage of each component is measured and used to calibrate a finite element model considering the recoater effect. A comprehensive understanding of the thermomechanical behavior of different thin-walled components and the failure mechanism due to the recoater is achieved by combining simulation with experiments. It is found that higher energy density causes larger residual stresses and warpage responsible for recoater crashes. Additionally, some potential solutions for reducing this issue are presented. View this paper
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Articles (29)

  • Article
  • Open Access
7 Citations
3,224 Views
14 Pages

Freeform Hybrid Manufacturing: Binderjet, Structured Light Scanning, Confocal Microscopy, and CNC Machining

  • Jake Dvorak,
  • Dustin Gilmer,
  • Ross Zameroski,
  • Aaron Cornelius and
  • Tony Schmitz

This paper describes a hybrid manufacturing approach for silicon carbide (SiC) freeform surfaces using binder jet additive manufacturing (BJAM) to print the preform and machining to obtain the design geometry. Although additive manufacturing (AM) tec...

  • Article
  • Open Access
4 Citations
3,189 Views
23 Pages

Including the inherent temporal variability in a production system in planning and control processes can ensure the fulfillment of the production schedule and increase key performance indicators. This benefits the sustainable and efficient use of the...

  • Article
  • Open Access
26 Citations
3,554 Views
15 Pages

This work deals with the experimental investigation and multi-objective optimization of mean kerf angle (A) and mean surface roughness (Ra) in laser cutting (LC) fused filament fabrication (FFF) 3D-printed (3DP), 4 mm-thick polylactic acid (PLA) plat...

  • Article
  • Open Access
9 Citations
4,235 Views
16 Pages

This study provides a comprehensive analysis of the one-shot drilling (CFRP) strategy for machining CFRP materials in the assembly of aircraft components, focusing on key factors such as tool wear, hole delamination, and the evolution of machining fo...

  • Article
  • Open Access
10 Citations
3,914 Views
16 Pages

A Genetic-Algorithm-Based Approach for Optimizing Tool Utilization and Makespan in FMS Scheduling

  • Andrea Grassi,
  • Guido Guizzi,
  • Valentina Popolo and
  • Silvestro Vespoli

This paper proposes a genetic algorithm approach to solve the identical parallel machines problem with tooling constraints in job shop flexible manufacturing systems (JS-FMSs) with the consideration of tool wear. The approach takes into account the r...

  • Article
  • Open Access
15 Citations
5,966 Views
14 Pages

Hybrid Manufacturing of Conformal Cooling Channels for Tooling

  • Thomas Feldhausen,
  • Mithulan Paramanathan,
  • Jesse Heineman,
  • Ahmed Hassen,
  • Lauren Heinrich,
  • Rebecca Kurfess,
  • Kenton Fillingim,
  • Kyle Saleeby and
  • Brian Post

Computer-aided manufacturing (CAM) techniques for hybrid manufacturing have led to new application areas in the manufacturing industry. In the tooling industry, cooling channels are used to enable specific heating and cooling cycles to improve the pe...

  • Article
  • Open Access
3 Citations
2,969 Views
20 Pages

Electrical resistivity was used in this test methodology to estimate the relative precipitate density in AA7075. Various electrical test parameters were explored to determine the difference between pulsed and DC-type currents. No difference between t...

  • Article
  • Open Access
6 Citations
3,982 Views
18 Pages

The Chip Formation Process When Cutting High-Speed Steels and Ti3SiC2 Ceramics

  • Borislav Savkovic,
  • Pavel Kovac,
  • Leposava Sidjanin and
  • Dragan Rajnovic

The paper presents the microstructural characterization of the chip roots in high-speed steels and ceramic Ti3SiC2. The process of chip formation and the obtaining of adequate samples were carried out using the quick-stop method. The tests were carri...

  • Article
  • Open Access
14 Citations
5,677 Views
19 Pages

Weldability of 316L Parts Produced by Metal Additive Manufacturing

  • Hamdi Selmi,
  • Jean Brousseau,
  • Gabriel Caron-Guillemette,
  • Stéphane Goulet,
  • Jacques Desjardins and
  • Claude Belzile

The processes of metal additive manufacturing (AM) are no longer confined to rapid prototyping applications and are seeing increasing use in many fields for the production of tools and finished products. The ability to design parts with practically z...

  • Article
  • Open Access
6 Citations
3,352 Views
16 Pages

Incremental forming (IF) is an advanced manufacturing process in which a forming tool locally deforms sheet material into a desired geometry through successive passes at incremental depths. An inherent benefit to the IF process is its formability imp...

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