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Related papers: Multi-layer Ti-based Coating Obtained by Arc PVD M…

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This thesis was focused on the surface modification with plasma discharge. Austenitic AISI 316L stainless steel sample was carburised under different experimental conditions and mechanical properties have been studied (thickness, lattice…

Materials Science · Physics 2014-04-22 Javier García Molleja

A template-free process for the synthesis of nanocrystalline TiO2 hierarchical microstructures by reactive Pulsed Laser Deposition (PLD) is here presented. By a proper choice of deposition parameters a fine control over the morphology of…

Materials Science · Physics 2013-11-28 F. Di Fonzo , C. S. Casari , V. Russo , M. F. Brunella , A. Li Bassi , C. E. Bottani

In this paper, to improve wear resistance of components such as screws under severe friction-wear, Fe-Cr-C-Mo-V-Ti-N hardfacing coatings were further developed. The hardfacing coatings were acquired by shielded manual arc welding (SMAW)…

Materials Science · Physics 2021-04-26 Won Chol Son , Yong Gwang Jong , Myong Chol Pak , Jin Song Ma

TiZrV film is mainly applied in the ultra-high vacuum pipe of storage ring. Thin film coatings of palladium which was added onto the TiZrV film to increase the service life of nonevaporable getters and enhance pumping speed for H2, was…

Accelerator Physics · Physics 2016-01-20 Jie Wang , Bo Zhang , Yan-Hui Xu , Wei Wei , Le Fan , Xiang-Tao Pei , Yuan-Zhi Hong , Yong Wang

The preparation in thin film form of the known icosahedral phase in Ti-Ni-Zr bulk alloys has been investigated as a function of substrate temperature. Films were deposited by Pulsed Laser Deposition on sapphire substrates at temperatures…

Materials Science · Physics 2020-10-01 Valerie Brien , A. Dauscher , P. Weisbecker , F. Machizaud

The nitrocarburization of the AISI-H13 tool steel by ion beam assisted deposition is reported. In this technique, a carbon film is continuously deposited over the sample by the ion beam sputtering of a carbon target while a second ion…

Materials Science · Physics 2017-12-05 L. F. Zagonel , F. Alvarez

Mg-Li alloys have attracted much attention due to their superior properties. However, it is a great challenge to improve their inferior oxidation and corrosion resistance. We report a novel Si-B-N ceramic film deposited on the Mg-9.6Li…

Applied Physics · Physics 2020-07-29 Y. Chen , J. K. Gao , X. D. Zhu

Polycrystalline diamond coatings have been grown on cemented carbide substrates with different aspect ratios by a microwave plasma CVD in methane-hydrogen gas mixtures. To protect the edges of the substrates from non-uniform heating due to…

Arranged patterns obtained by ultrafast laser processing on the surface of Ti/Cu/Ti/Si and Ti/Zr/Ti/Si thin film systems are reported. Two differently designed multilayer thin films, Ti/Cu/Ti/Si and Ti/Zr/Ti/Si, were deposited on silicon by…

The research results of the microstructure and corrosion resistance of Ti and Ti-Al-V Russian industrial titanium alloys obtained by spark plasma sintering (SPS) are described. Investigations of the microstructure, phase composition,…

Although two-dimensional transition metal carbides and nitrides (MXenes) have fantastic physical and chemical properties as well as wide applications, it remains challenging to produce stable MXenes due to their rapid structural…

Materials Science · Physics 2023-02-16 Zongju Cheng , Zhiguo Du , Hao Chen , Qi Zhao , Yu Shi , Haiyang Wang , Yuxuan Ye , Shubin Yang

In this paper, we present a Pt/Al multilayer stack-based ohmic contact metallization for AlGaN/GaN heterostructures. CTLM structures were fabricated to assess the electrical properties of the proposed metallization. The fabricated stack…

Materials Science · Physics 2016-01-20 Nitin Goyal , Srujana Dusari , Jochen Bardong , Farid Medjdoub , Andreas Kenda , Alfred Binder

To integrate plasmonic devices into industry, it is essential to develop scalable and CMOS compatible plasmonic materials. In this work, we report high plasmonic quality titanium nitride (TiN) on c-plane sapphire by plasma enhanced atomic…

The paper presents a new approach, based on controlled oxidation of nanoscale metallic multilayers, to produce strong and hard oxide/metal nanocomposite coatings with high strength and good thermal stability. The approach is demonstrated by…

Materials Science · Physics 2016-09-23 M. A. Monclús , M. Callisti , T. Polcar , L. W. Yang , J. LLorca , J. M. Molina-Aldareguía

Oxynitrides are used in a variety of applications including photocatalysts, high-k dielectrics or wear-resistant coatings and often show intriguing multi-functionality. To accelerate the co-optimization of the relevant material properties…

Thermal stability of hydrogenated amorphous Si/Ge multilayers has been investigated by Scanning Electron Microscopy (SEM), Transmission Electron Microscopy (TEM) and Small-Angle X-Ray Diffraction (SAXRD) techniques. Amorphous H-Si/Ge…

Materials Science · Physics 2009-02-11 A. Csik , M. Serenyi , Z. Erdelyi , A. Nemcsics , C. Cserhati , G. A. Langer , D. L. Beke , C. Frigeri , A. Simon

We present results of carbon coatings on metal substrates in cylindrical hollow cathode (CHC) direct current magnetron sputtering. This is a new technique of making amorphous carbon film in CHC magnetron sputtering from regenerative sooting…

Institute Dante Pazzanese of Cardiology (IDPC) develops Ventricular Assist Devices (VAD) that can stabilize the hemodynamics of patients with severe heart failure before, during and/or after the medical practice; can be temporary or…

TiO2 with super narrow bandgap (1.1 eV~) are successfully synthesized via a facile and novel one-step single-mode magnetic microwave induced plasma treatment. The selectively surface Ti3+-doping on obtained TiO2 as trapping centers which…

Applied Physics · Physics 2022-02-04 Kunihiko Kato , Yunzi Xin , Takashi Shirai

Porous metal oxides with nano-sized features attracted intensive interest in recent decades due to their high surface area which is essential for many applications, e.g. Li ion batteries, photocatalysts, fuel cells and dye-sensitized solar…

Materials Science · Physics 2015-02-26 Shaoren Deng , Mert Kurttepeli , Daire J. Cott , Sara Bals , Christophe Detavernier