Cture (HCP). Particularly, titanium and its alloys are extensively utilized in aerospace, aircraft and also the health-related business [1,2]; zirconium is utilised within the nuclear sector [1] and Mg-based alloys -Irofulven supplier inside the automotive and aircraft industry [1]. In addition to, Mg-based materials are also thought of for fabrication of absorbable implants [3]. Zn-based alloys are applied in the automotive or construction industries [4] and are also studied as absorbable material for implantology [5]. The aforementioned applications place high demands around the high-quality in the components, for the reason that their failure would have important consequences. The HCP metals show anisotropy in their mechanical behavior. This can be due to the large differences between the values on the important resolved shear strain (CRSS) belonging to several slip systems. The lowest CRSS is observed for basal or prismatic slip systems. Basal slip dominates in Mg and Zn, though prismatic will be the principal a single in Ti and Zr [1]. Both those slip systems accommodate deformation only within the 1120 directions [1]. This implies that the deformation inside the path with the c axis must be accommodated by yet another deformation mechanism. In this case, twining is often activated, specially at bigger grain sizes and deformation rates [6,7]. In the aforementioned, it can be clear that the mechanical behavior of metals and alloys with a HCP structure is quite sensitive towards the microstructure and texture of your material. Those traits are strongly influenced by processing and thermomechanical remedy. Therefore, the understanding from the relationships involving the processing conditions and material microstructure is essential to predict the behavior from the material. As follows in the aforementioned, many HCP supplies are also exposed to a somewhat aggressive corrosion atmosphere (body fluids, and so forth.) or to fatigue stress through their service. Moreover, enhanced biocompatibility (cell adhesion, etc.) is desired for healthcare implants. For such applications, the excellent of your surface plays a very important role for material behavior. The surface qualities (roughness, topography, chemical composition, and so forth.) may be changed and adjusted by numerous solutions, such as chemical and electrochemical polishing, laser shock peening, and so on. [80]. A appropriate finishing in the surface normally plays a important part around the material lifespan; hence, the improvement of appropriate surface therapies for HCP metals can further boost the good application potential of these components. two. Contribution The papers written by Roudnicket al. [11] and Fojt et al. [12] deal with biomaterials ready by additive manufacturing, especially by selective laser melting (SLM). Both these papers clearly demonstrate that the components processed by SLM can behave drastically differently compared to the components ready by conventional DMPO Autophagy techniques. Roudnicket al. [11] investigated the influence of your processing route (SLM vs. investment casting) around the response with the material to heat remedy. The hardness response to the annealing of both supplies followed the same trend, however the SLM-processed material possessed higher absolute values of hardness. The hardness evolution, even so, was explained by many changes of your microstructure. The SLM-processed material mostly underwent anCitation: Capek, J. Specific Issue: “Processing and Treatment of Hexagonal Metals”. Metals 2021, 11, 1753. https://doi.org/10.3390/ met11111753 Received: six September 2021 Accepted: 28 October.