Auxetics are a class of structural metamaterials with a negative Poisson's ratio. In
comparison to conventional structures, auxetic structures are proven to exhibit several …

For many years, 3D Printing technologies have created significant advancements in the
fields of engineering and healthcare. 4D printing is also introduced, which is the advanced …

Auxetic structures are a special class of structural components that exhibit a negative
Poisson's ratio (NPR) because of their constituent materials, internal microstructure, or …

This review systematically examines the use of additive manufacturing (AM), also known as
3D printing (3DP), in the various aspects of military applications such as firearms, armor and …

A key advantage of additive manufacturing (AM) is that it allows the fabrication of lattice
structures for customized biomedical implants with high performance. This paper presents …

The additive manufacturing of shape memory materials, commonly known as 4D printing,
facilitates the achievement of a complex 3D structure that possesses a temperature …

The emergence of 4D printing from additive manufacturing has opened new frontiers in
crashworthiness application. Energy-absorbing structures with fixed geometrical shapes and …

This work aimed to study one of the most important challenges in orthopaedic implantations,
known as stress shielding of total shoulder implants. This problem arises from the elastic …

Purpose Additive manufacturing has rapidly developed in terms of technology and its
application in various types of industries. With this rapid development, there has been …

Compared with traditional additive manufacturing technology (3D printing), 4D printing
technology (four-dimensional printing) increases the time dimension. The structure prepared …