Ta-10W alloy is a rare metal alloy material with high density, high melting point and high strength. It has high high temperature strength, good ductility, weldability and excellent corrosion resistance. It is suitable for high temperature, high pressure and Corrosion and other working environments,...

The quality and maintenance of weapons and equipment are important factors in determining the victory or defeat of wars. Especially after the Industrial Revolution, mechanical equipment has gradually entered modern wars and occupied a dominant position. The frequent use of these weapons and equipmen...

1 Preface Nb521 niobium-tungsten alloy belongs to the ultra-high temperature materials, also known as refractory materials, has excellent high-temperature mechanical properties and excellent process performance, the maximum operating temperature of 1900 ℃, to meet the engine on the use of ultra-high...

[Abstract]     Objective   To study the effect of porous tantalum and porous titanium implants on bone integration. Methods   By computer-aided design method, two porous material implants with the same microporous parameters were prepared by 3D printing technology: porous tantalum and porous titaniu...

With excellent properties such as high density, high melting point, high strength, low coefficient of thermal expansion, good corrosion resistance and thermo-electronic emission capability, tungsten metal has been widely used in many industrial and defense fields such as aerospace, military industry...

Refractory metals are widely used in many fields such as aerospace, defense and military and nuclear power industries due to their high melting points, excellent high temperature resistance, corrosion resistance and radiation resistance [1]. The application of tungsten and tantalum in the electric l...

1 Introduction Refractory metals such as tantalum (Ta) and tungsten (W) and their alloys have excellent physical and chemical properties such as high density, high melting point, good processing performance and resistance to molten metal corrosion. They are widely used in the fields of electronics,...

Molybdenum has high melting point, low expansion coefficient, low creep rate, high thermal conductivity and excellent electrical conductivity. It is a high-value refractory rare metal, so it is an ideal material widely used in high-temperature fields. However, the recrystallization temperature of pu...

In the field of aerospace vehicle research and development and manufacturing, structurally complex components are extremely difficult to process in the traditional way, and the productivity and yield are low and the cost is high, and even overly complex components cannot be processed. With the rapid...

The process test was carried out to explore the process parameters of electron beam welding of Nb521 material and the mechanical properties of welds at different temperatures, to obtain the welding processability evaluation of the material and accumulate data for the engineering application of the m...

Nb521 alloy is a new type of niobium-tungsten alloy, the nominal composition of Nb-5W-2Mo-1Zr, with a high melting point (2630 ℃), moderate density 8.9g/cm3), high-temperature strength (1600 ℃, Rm ≥ 100MPa), machining and welding performance and other advantages ［1,2］, is expected to replace C1...

Ta-W alloy has high high temperature strength, good ductility, weldability and excellent corrosion resistance. It is suitable for working environments such as high temperature, high pressure and corrosion resistance. It is widely used in chemical industry, aerospace, atomic energy industry and high...