نتایج جستجو برای: titanium diboride

تعداد نتایج: 36520  

Journal: :Physical review letters 2012
Antoine Fleurence Rainer Friedlein Taisuke Ozaki Hiroyuki Kawai Ying Wang Yukiko Yamada-Takamura

As the Si counterpart of graphene, silicene may be defined as an at least partially sp2-hybridized, atom-thick honeycomb layer of Si that possesses π-electronic bands. Here we show that two-dimensional, epitaxial silicene forms through surface segregation on zirconium diboride thin films grown on Si wafers. A particular buckling of silicene induced by the epitaxial relationship with the diborid...

Journal: :Metals 2023

Micro-milling is widely used to make micro-channels in various fields. In this study, micro-milling of rectangular bronze microchannels was carried out with carbide end mills a diameter 1 mm, processed fast argon atoms, and coated anti-friction wear-resistant titanium diboride. It shown that the removal 3 µm thick surface layer from micro mill atoms makes it possible reduce cutting edge radius ...

Journal: :Synthesis and sintering 2021

In this research, various types of nitride additives were incorporated into titanium diboride attaining dense TiB2-based ceramics by field-assisted sintering technique. The addition different additives, namely Si3N4, BN, AlN, and TiN, significantly improved the sinterability TiB2, achieving near fully ceramics. X-ray diffraction analysis microstructural evaluation confirmed presence h-BN compou...

Journal: :Advances in Materials Science and Engineering 2023

Aluminium alloy components are used in lightweight engineering applications and lack mechanical properties, wear resistance, corrosion resistance. When hard reinforcement particulates dispersed the aluminium matrix alloy, composites (AMCs) formed. This new material exhibits enhanced properties such as better specific stiffness, strength, elastic modulus, lightweight. AMCs have many favorable co...

Journal: : 2021

The properties, applications and methods for producing titanium vanadium diborides are considered. These oxygen-free refractory metal-like compounds. As a result, they characterized by high values of thermal electrical conductivity. Their hardness is relatively high. Titanium exhibit significant chemical resistance in aggressive environments. For these reasons, have found application modern tec...

2017
Jeff Rao Amit Sharma Tim Rose

The lifetimes and the premature wear of machining tools impact on manufacturing efficiencies and productivities. A significant proportion of machining tool damage can be attributed to component wear. Here, titanium aluminium nitride (TiAlN) multi-layered with titanium diboride (TiB2) prepared by PVD (Physical Vapour Deposition) sputtering onto H-13 substrates are studied as potential wear-resis...

2003
Milind N. Kunchur Sung-Ik Lee W. N. Kang

We report the investigation of the pair-breaking current density jd in magnesium diboride. At low current densities j, the transition temperature Tc shifts in the classic DTc( j)/Tc(0)}2@ j / jd(0)# 2/3 manner, with a projected jd(0)'2310 7 A/cm. Current-voltage curves at fixed temperatures yield a similar value for jd(0), with an overall jd(T) dependence consistent with Ginzburg-Landau theory....

Journal: :Journal of Electrochemical Science and Engineering 2022

Squeeze casting was used to prepare aluminium alloy-6061/titanium diboride (TiB2) create a composite with varied TiB2 quantities. The composite's metallographic structure, tensile strength, and hardness have been explored. strength of produced metal matrix composites increased when particle from 5 10 vol.%. This study uses electrical discharge machining (EDM) investigate the output response too...

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