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Journal of Manufacturing and Materials Processing, Volume 9, Issue 6

2025 June - 35 articles

Cover Story: In response to the rising need for sustainable polymers, this study evaluates the recyclability of polypropylene (PP) and a thermoplastic elastomer (TPE) through five thermomechanical recycling cycles. Using additive manufacturing (filament and granular extrusion), hybrid PP–TPE specimens were produced and analyzed. Thermal and rheological assessments showed minor degradation, while mechanical strength and printability were affected more noticeably. Comprehensive characterization—including tensile and impact testing, microscopy, FTIR, TGA, DSC, and rheometry—was employed to detail degradation trends. Results highlight that, although repeated recycling induces changes, the method remains a viable route for producing hybrid components with acceptable performance across multiple reuse cycles. View this paper
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Articles (35)

  • Article
  • Open Access
1,123 Views
17 Pages

Resistance Analysis of a Plastic Container Obtained with Additive Manufacturing Using Finite Elements

  • Luis M. López-López,
  • Geovanny Maldonado,
  • Cesar Paltán-Zhingre,
  • Jimmy Brito,
  • Julio Loja-Quezada and
  • Marco Amaya-Pinos

Traditional manufacturing processes yield plastic containers in large batches, even for minimal production runs, resulting in elevated production costs. Three-dimensional printing has emerged as a viable alternative for very low production volumes, o...

  • Article
  • Open Access
1,652 Views
24 Pages

Metal injection molding (MIM) is a current technology used to produce products with complex shapes. Despite the accumulated worldwide experience in using this technology, manufacturers sometimes fail to launch new products of proper quality. Often, t...

  • Article
  • Open Access
1,646 Views
28 Pages

Accurate preform design in forging processes is critical for improving part quality, conserving material, reducing manufacturing costs, and eliminating secondary operations. This paper presents a finite element (FE) simulation-based methodology for p...

  • Article
  • Open Access
963 Views
19 Pages

Platinum wires, known for their excellent electrical conductivity and durability, are widely used in high-precision industries, such as aerospace and automotive. These wires are typically coated with polyamide for protection; however, specific manufa...

  • Article
  • Open Access
1 Citations
1,276 Views
30 Pages

The topographical, microstructural, and mechanical surface properties of additively manufactured components depend on variations of several processing parameters. Most studies focus on a narrow range of parameter variations, with the surface and subs...

  • Article
  • Open Access
1,620 Views
19 Pages

This study presents the development of a deep drawing process under an indirect hot stamping method for manufacturing an automotive internal combustion engine oil pan from ultra-high-strength steel (UHSS) sheets, specifically 22MnB5. The forming proc...

  • Article
  • Open Access
1,304 Views
15 Pages

Research on Robot Cleaning Path Planning of Vertical Mixing Paddle Surface

  • Zhouzheng Shi,
  • Leiyang Guo,
  • Jingde Li,
  • Ni Cao,
  • Xiansheng Qin and
  • Zhanxi Wang

The safe removal of residual flammable contaminants from vertical mixer blades is a crucial challenge in aerospace propellant production. While robotic cleaning has become the preferred solution due to its precision and operational safety, the comple...

  • Article
  • Open Access
1,307 Views
22 Pages

In the stamping process of automotive parts, springback is a major problem when using Advanced High-Strength Steel (AHSS). This phenomenon significantly impacts the shape accuracy of products and is difficult to control. This study aims to optimize p...

  • Review
  • Open Access
12 Citations
5,349 Views
34 Pages

Additive manufacturing technologies are being increasingly adopted in the manufacturing industries due to their capabilities in producing complex geometries without the need for special tools. Material extrusion (MEX-TRB/P) is a popular additive manu...

  • Article
  • Open Access
1,196 Views
16 Pages

In the composite materials industry, the fabrication of complex parts often necessitates the use of specialized tools, such as milled molds with intricate geometries. Among these, machined aluminum molds are widely regarded as effective tools for lam...

  • Review
  • Open Access
6 Citations
3,405 Views
54 Pages

Additive manufacturing (AM) is a rapidly evolving technology that enables the fabrication of complex 3D components across a wide range of materials and applications. Among various AM techniques, direct energy deposition (DED) has gained significant a...

  • Article
  • Open Access
2 Citations
1,331 Views
22 Pages

On the Use of Compressed Air and Synthetic Biodegradable Cutting Fluid to Enhance the Surface Quality of WAAM–CMT Manufactured Low-Alloy Steel Parts During Post-Processing Milling with Different Cooling–Lubrication Strategies

  • Déborah de Oliveira,
  • Marcos Vinícius Gonçalves,
  • Guilherme Menezes Ribeiro,
  • André Luis Silva da Costa,
  • Luis Regueiras,
  • Tiago Silva,
  • Abílio de Jesus,
  • Lucival Malcher and
  • Maksym Ziberov

Additive manufacturing (AM) stands out for its variable applications in terms of material, quality, and geometry. Wire Arc Additive Manufacturing (WAAM) is remarkable for producing large parts in reduced times when compared to other AM methods. The p...

  • Article
  • Open Access
1,530 Views
16 Pages

Lattice structures offer the possibility to obtain lightweight components with additional functionalities, improving their shock absorption and thermal exchange properties. Recently, a body-centered cubic (BCC) lattice structure has been used to fabr...

  • Article
  • Open Access
4 Citations
3,143 Views
21 Pages

The growing demand for sustainable materials has driven interest in natural fiber-reinforced composites as eco-friendly alternatives to synthetic materials. This research investigates the fabrication and mechanical performance of hemp and sisal fiber...

  • Article
  • Open Access
1 Citations
1,179 Views
19 Pages

An environmentally friendly alternative to phosphate-based lubrication was studied through the lateral cold extrusion forging of internal gears using pulsating motion. A die set with a removable punch enabled a detailed observation of relubrication,...

  • Article
  • Open Access
1,284 Views
29 Pages

A Comparative Study of Mathematical Methods for Determining Colding’s Constants for Milling of Steels and Experimental Validation

  • Sujan Khadka,
  • Rizwan Abdul Rahman Rashid,
  • John H. Navarro-Devia,
  • Angelo Papageorgiou,
  • Guy Stephens,
  • Sören Hägglund and
  • Suresh Palanisamy

The optimization of cutting parameters is critical for improving machining efficiency and extending tool life. Colding’s equation is one such tool life prediction equation that can be used to optimize the machining parameters. However, the equa...

  • Article
  • Open Access
3,127 Views
25 Pages

This study presents a systematic optimization of GTAW welding parameters to achieve a pipe-to-pipe butt weld with a root height consistently below 2 mm when joining stainless-steel 316L material, employing the Taguchi design of experiments. To the au...

  • Article
  • Open Access
1,352 Views
26 Pages

Electric discharge machining (EDM) is widely employed for machining hard, conductive materials. Tool rotation has emerged as an effective strategy to enhance debris flushing and improve stability during deep-hole EDM drilling. This study proposes a m...

  • Review
  • Open Access
5 Citations
7,845 Views
42 Pages

Tungsten heavy alloys (WHAs) are two-phase composites known for their exceptional density, strength, hardness, and ductility, making them ideal for radiation shielding, kinetic energy penetrators, and aerospace components. Due to their high melting p...

  • Article
  • Open Access
3 Citations
2,866 Views
16 Pages

Predicting the Relative Density of Stainless Steel and Aluminum Alloys Manufactured by L-PBF Using Machine Learning

  • José Luis Mullo,
  • Iván La Fé-Perdomo,
  • Jorge Ramos-Grez,
  • Ángel F. Moreira Romero,
  • Alejandra Ramírez-Albán,
  • Mélany Yarad-Jácome and
  • Germán Omar Barrionuevo

Metal additive manufacturing is a disruptive technology that is changing how various alloys are processed. Although this technology has several advantages over conventional manufacturing, it is still necessary to standardize its properties, which are...

  • Article
  • Open Access
1,572 Views
18 Pages

Over the past decade, friction stir spot welding (FSSW) has gained increasing attention, making it a competitor to conventional welding methods such as resistance welding, rivets, and screws. This type of welding is environmentally friendly because i...

  • Review
  • Open Access
13 Citations
7,599 Views
50 Pages

A State-of-the-Art Review on Micro-Machining of Nitinol Shape Memory Alloys and Optimization of Process Variables Considering the Future Trends of Research

  • Souradeep Dutta,
  • Deba Kumar Sarma,
  • Jay Vora,
  • Rakesh Chaudhari,
  • Abhijit Bhowmik,
  • Priyaranjan Samal and
  • Sakshum Khanna

The miniaturization of smart materials has become a new trend in the modern manufacturing industry due to its enormous application in the aerospace, biomedical, and automobile sectors. Nickel–titanium (NiTi)-based binary shape memory alloys (SM...

  • Article
  • Open Access
1 Citations
2,602 Views
29 Pages

This study focuses on the energy absorption and wearer comfort attributes of regular lattice structures fabricated by laser powder bed fusion from two elastomeric materials, namely TPU1301 and TPE300, for use in personal protective equipment (PPE). T...

  • Article
  • Open Access
1,182 Views
21 Pages

In the present study, an approach for determining the different states of ball burnishing (BB) operations aimed at forming regular reliefs’ patterns on planar surfaces is introduced. The methodology involves acquiring multi-axis accelerometer d...

  • Article
  • Open Access
1 Citations
2,031 Views
10 Pages

Investigation of UV Picosecond Laser Damage Threshold of Anti-Reflection Coated Windows

  • Priyadarshani Narayanasamy,
  • Martin Mydlář,
  • Hana Turčičová,
  • Mihai George Mureșan,
  • Ondřej Novák,
  • Jan Vanda and
  • Jan Brajer

Long-term stability and laser-induced damage resistance of optical components in the UV region are critical for enhancing their performance in UV high-power laser applications. This study evaluates the laser-induced damage threshold (LIDT) of commerc...

  • Article
  • Open Access
2 Citations
1,596 Views
12 Pages

Additive manufacturing (AM) is one of the most frequently used technologies to produce complex configuration products. Moreover, AM is very well known as a technology which is characterized by a low amount of generated waste and the potential to be c...

  • Article
  • Open Access
1 Citations
1,423 Views
23 Pages

This study presents an analytical description of the computed tomography-based volumetric additive manufacturing (VAM) process, with an emphasis on the impact of resin properties on product dimensions. The main issue addressed in this study is the as...

  • Article
  • Open Access
2 Citations
1,614 Views
17 Pages

Inconel 600 alloy has gained consideration as a favourable material for heat and power applications, particularly in turbine blades, due to its superior mechanical behaviour encompassing strength, toughness, oxidation resistance, and ductility. Tungs...

  • Article
  • Open Access
1 Citations
1,204 Views
12 Pages

Investigating failure mechanisms in cutting tools used in advanced industries like biomedical and aerospace, which operate under extreme mechanical and chemical conditions, is essential to prevent failures, optimize performance, and minimize financia...

  • Article
  • Open Access
1 Citations
2,596 Views
25 Pages

Due to the significantly increasing demand for plastic components, it has become necessary to investigate polymer recycling solutions to eliminate their adverse environmental impact. The focus of this study is to examine the feasibility of recycling...

  • Article
  • Open Access
1,284 Views
32 Pages

The integration of Silicon Carbide (SiC) nanoparticles into Laser Powder Bed Fusion (LB-PBF) Molybdenum (Mo) printing represents a significant advancement in refractory metal additive manufacturing. Our investigation examined how varying SiC nanopart...

  • Article
  • Open Access
3 Citations
1,843 Views
32 Pages

Exploring the Mechanical Properties of Bioprinted Multi-Layered Polyvinyl Alcohol Cryogel for Vascular Applications

  • Argyro Panieraki,
  • Nasim Mahmoodi,
  • Carl Anthony,
  • Rosemary J. Dyson and
  • Lauren E. J. Thomas-Seale

Polyvinyl alcohol cryogels (PVA-C) are promising materials for vascular tissue engineering due to their biocompatibility, hydrophilicity, and tuneable mechanical properties. This study investigates the mechanical performance of multi-layered PVA-C co...

  • Article
  • Open Access
5 Citations
4,799 Views
24 Pages

This study investigates the feasibility of self-producing polylactic acid (PLA) filament for use in 3D printing. The filament was fabricated using a desktop single-screw extruder and evaluated against commercially available PLA in terms of mechanical...

  • Article
  • Open Access
2 Citations
1,895 Views
20 Pages

The present work intends to assess the impact of trochoidal toolpath rounding radius loop adjustments on surface roughness, nose radius wear, and resultant cutting force during end milling of AISI D3 steel. Twenty experimental trials have been perfor...

  • Article
  • Open Access
2 Citations
1,790 Views
13 Pages

The First Layer: Single-Track Insights into Direct Energy Deposition Processed Cu-Ni Thermoelectric Alloys

  • Nick Williams,
  • Kyle Snyder,
  • Ian Smith,
  • Anthony Duong,
  • Everett Carpenter and
  • Radhika Barua

The shift to sustainable energy has accelerated the development of thermoelectric (TE) material for direct heat-to-electricity conversion without batteries or grid reliance. Cu-Ni alloys show promise for high-power, thermally stable TE applications l...

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