The powder oxide state is essential for resilient metallurgy components using Hot Isostatic Pressing (HIP) process. In fact, it can affect the behaviour of during different additive manufacturing processes. However, layer properties as a function particle size are not well known yet. This work summaries detailed surface characterization 316L particles’ gas atomization to permit better understan...

Cemented carbide parts have been manufactured from WC-12Co granules by “Solvent on Granules 3D-Printing” and compared with reference produced conventional press sintering. SG-3DP consists in growing a green part layer-by-layer selective solvent jetting powder-polymer granule beds. Both 3D printed uniaxially pressed compacts consolidated thermal debinding liquid phase Further densification has a...

Abstract In this conribution we describe the technological process of transparent Er 3+ :Y 2 O 3 ceramic synthesis, a prospective medium for future laser applications. Hot isostatic pressing (HIP) was used to improve optical quality final product. As results our efforts material with an transmission 0.78-0.80 obtained, that is close theoretical maximum value 0.83. The main spectral and luminesc...

Fatigue properties of parts fabricated by laser powder bed fusion, a kind additive manufacturing, are inferior to those conventional materials. Defects and inclusions the causes low fatigue properties, but their effect is not clarified. Inconel 718 specimens were fusion. Cross-sectional observation tests performed. Gas porosity, cracks, observed in cross-section. TiN fracture origins for with h...

In the present study, a tough tetragonal zirconia polycrystalline (Y-TZP) material was developed for use in high-speed infrared windows and domes. The influence of the preparation procedure and the microstructure on the material's optical properties was evaluated by SEM and FT-IR spectroscopy. It was revealed that a high transmittance up to 77% in the three- to five-micrometer IR region could b...

Hydroxyapatite (HA) has been used in clinical bone graft procedures for the past 25 years. Although a biocompatible material, its poor adhesion strength to substrate makes it unsuitable for major loadbearing devices. Investigations on various deposition techniques of HA coating on Ti–6Al–4V implants have been made over the years, in particular to improve its adhesion strength to the metal alloy...

The MgAl 2 O 4 ceramics produced by the preliminary clinkering of synthesized powder was exposed to hot isostatic pressing (HIP). Samples were subjected a pointed impact loading, which excited acoustical and electromagnetic emissions (AE EME, respectively). In non-HIP-treated samples, energy distribution in time series AE EME pulses followed an exponential law, while after application procedure...

This paper examines the microstructure and mechanical properties of Ta20Nb20Hf20Zr20Ti20. Two casting processes, namely, gravity casting and suction-assisted casting, were applied, both followed by Hot Isostatic Pressing (HIP). The aim of the current study was to investigate the creep and tensile properties of the material, since the literature review revealed no data whatsoever regarding these...