Additive manufacturing has enhanced the production of complex parts with greater efficiency. However, inherent drawbacks such as reduced mechanical properties still pose challenges, necessitating further improvements to bridge the gap and meet industry demands. Therefore, this study investigated the use of glass fiber woven fabric with vat‐photopolymerization printing to achieve composite parts with superior mechanical properties. This approach offered an advantage in reducing the production time required for fiber‐reinforced composites by eliminating the need for curing processes or vacuum infusion. The mechanical properties of the composite panels manufactured with this method were investigated using flexural, interlaminar shear (ILSS), impact tests with different fiber orientations, and fiber volume fractions. The results of the mechanical tests showed maximum flexural strength of 295 MPa, impact strength of 174 kJ/m², and ILSS of 20.58 MPa. In addition, optical images were taken to examine the cross‐section of the printed parts, which revealed a uniform and good wetting of the fibers. The findings suggest that glass fiber woven fabric in vat printing is a promising approach for producing composite parts with enhanced mechanical properties and reduced production rate.Highlights: Additive manufacturing of glass fiber woven fabric reinforced with VPP printing. Reduced production time and microstructure by using layer‐by‐layer manufacturing. Maximum flexural strength: 295 MPa, impact strength: 174 kJ/m², ILSS: 20.58 MPa. Consistent porosity values with the increasing number of layers. Promising for producing standard and thick composites with improved properties.

Retractor systems are crucial in assisting physicians during surgical operations, ensuring optimal access to the surgical site, holding necessary equipment, and facilitating various procedures such as holding open wounds, stretching tissues, and removing them from the surgery site. Currently, retractors are tailored to specific anatomical regions. For instance, thyroid surgery presents unique challenges due to the gland's location and proximity to vital structures. Accessing the thyroid tissue amid the complexities of the neck region, which includes muscles like sternohyoid, sternothyroid, thyrohyoid, and omohyoid, requires careful retraction for a safe and effective procedure. The success of thyroid surgery relies on distinguishing the thyroid gland from surrounding structures, precisely determining surgical margins, and ensuring a clear view of the surgical field to mitigate potential complications. In this study, two distinct retractor holder designs, versatile for various operations, were developed and evaluated for their working volume, degrees of freedom in design, and applicability in surgical procedures. These designs aim to contribute to improving surgical outcomes, reducing complications, and general advances in the field of surgical instrumentation

This study investigates the fabrication and characterization of electric motor brushes, which serve as critical conductive and wear-resistant components in direct contact with the motor’s rotor. Copper-matrix composites reinforced with varying concentrations of graphene and alumina (Al2O3) were produced across two distinct experimental groups. Following an 8-hour mechanical alloying process, the composite powders were consolidated using a single-acting hydraulic press. The resulting compacts were then sintered at 900°C (1 hour) in a reducing environment. Electromechanical evaluations were conducted in triplicate at a constant spring pressure (100 kPa), varying rotational speeds (8–32 m/s), and current densities (4–16 A/cm2). The study further assessed the electrical conductivity, porosity, hardness, and mass loss of each specimen. Results indicate that electrical conductivity declined as the reinforcement ratio increased. Regarding tribological performance, the minimum friction force (0.08 N) was recorded for the 5 wt. % graphene and 1 wt. % Al2O3 composition. Meanwhile, the lowest voltage drop (0.03 V) was observed in the 10 wt. % Gr and 0.5 wt. % Al2O3 sample. Although hardness generally decreased with higher reinforcement content. On the other hand, the copper-based composite containing 10 wt. % Gr and 0.5 wt. % Al2O3 exhibited the maximum hardness value of 13.8 HB.