Effect of tungsten and zirconium on structure and properties of niobium

Addition of 10 wt% W and 2.5 % wt% Zr has resulted in significant increase in hardness and room temperature tensile strength. It was found that ...

The individual and combined effects of W and Zr additions on macrostructure, microstructure and mechanical properties of Nb have been investigated.

Effect of tungsten and zirconium on structure and properties of niobium

Abstract The individual and combined effects of W and Zr additions on macrostructure, microstructure and mechanical properties of Nb have been investigated.

Unveiling the effect of Nb and Zr additions on microstructure and ...

This study aims to analyze the influence of niobium and zirconium in the structure, microstructure, and mechanical properties of quaternary Ti-25Ta-Zr-Nb alloys ...

The Interface in Tungsten Fiber Reinforced Niobium Metal-Matrix ...

desirable physical properties ... explain this strengthening effect of zirconium; first, ZrO precipi- ... G.: Structure and Orientation of Zirconia in a Niobium ...

Effect of zirconium and niobium on the microstructure ... - IOPscience

Due to the combined addition of Zr and Nb elements in the micro-alloyed steel, a remarkable improvement of mechanical properties particularly ...

Effect of alloying on the mechanical properties of niobium

(4) No single alloy addition confers the best combination of mechanical properties. Elements like molybdenum and tungsten, which confer reasonably good ...

Properties of tungsten alloys with carbon niobium, tantalum, and ...

Alloying elements raise the ductile-brittle transition temperature Tx of tungsten and W−C alloys. The increase of Tx is highest with the addition of zirconium.

Melting, Processing and Characterization of Nb-10W-2.5Zr (Cb-752 ...

The individual and combined effects of W and Zr additions on macrostructure, microstructure and mechanical properties of Nb have been investigated. Nb, Nb-10 wt ...

The Effect of Niobium on the Mechanical and Thermodynamic ...

The mechanical properties of zirconium alloys, particularly their hardness and elastic modulus, make them of great importance as structural materials. In this ...

Effects of Niobium on the Mechanical and Oxidation Properties of ...

The anodic oxidation of tungsten and niobium is studied using open-circuit transients to determine the field dependence of both the current density and the ...

Electron Beam Melting of Niobium Alloys from Blended Powders

Niobium-based tungsten alloys are desirable for high-temperature structural applications yet are restricted in practice by limited ...

Alloys based on niobium and their properties - SpringerLink

The alloying of niobium alloys with titanium, instead of zirconium, causes a smaller increase in the strength, especially at increased temperatures; however, ...

Niobium Tungsten Zirconium Alloy | AMERICAN ELEMENTS ®

Niobium Tungsten Zirconium is available as bar, Ingot, ribbon, wire, shot, sheet, and foil. Ultra high purity and high purity forms also include metal powder, ...

STUDY OF STRUCTURE CHANGES IN ZIRCONIUM--NIOBIUM ...

... NIOBIUM--TUNGSTEN--HAFNIUM AND NIOBIUM--TUNGSTEN-ZIRCONIUM ALLOY SYSTEMS. III. STUDIES OF THE EFFECT ... HEAT TREATMENT/effects on crystal structure of niobium- ...

THE EFFECT OF CARBON ON THE STRUCTURE AND ... - DTIC

(*NIOBIUM ALLOYS, *CARBON ALLOYS), MICROSTRUCTURE, MECHANICAL PROPERTIES, TUNGSTEN ALLOYS, SOLID SOLUTIONS, ZIRCONIUM ALLOYS, USSR. Field(s)/Group(s):.

Effect of Zr additions on crystal structures and mechanical properties ...

However, the mechanical strength of binary tungsten–zirconium alloys is higher than that of pure zirconium metal. In addition, zirconium alloying can be ...

HARDNESS BEHAVIOR OF BINARY AND TERNARY NIOBIUM ...

An investigation was conducted to determine the effects of alloy additions of zirconium, hafnium, molybdenum, tungsten, rhenium, ruthenium, osmium, rhodium, ...

NIOBIUM, MOLYBDENUM, TANTALUM AND TUNGSTEN A ...

The effect of impurities on physical properties; for example, thermal conductivity. ... Some Properties of Zirconium-Niobium Alloys. ... Effects of Impurities on ...

Quickly Understand the Different Roles of Niobium in Superalloys

Therefore, the solid solution strengthening effect of niobium is greater than that of tungsten and molybdenum. Inconel 625 is a typical solid solution ...