High Strength Niobium Wire
High strength niobium wire is made from high-purity niobium (≥ 99.95%) as raw material and processed through cold drawing technology. Its diameter range is 0.2-3.15 millimeters, tensile strength ≥ 125MPa, and elongation ≥ 20%. Special metal wire materials with excellent mechanical properties prepared through processes such as alloying, deformation strengthening, and heat treatment. It not only retains the inherent properties of niobium, but also significantly improves strength, creep resistance, and high-temperature stability, making it suitable for structural functional integration requirements under extreme working conditions.
Description
Shaanxi Zhongheng Weichuang Metal Materials Co., Ltd. supplies high-quality rare metals, mainly including niobium hafnium alloy 103, tungsten, tantalum, niobium, hafnium, titanium, zirconium, nickel, vanadium and alloys of conventional processed profiles such as plates, strips, coils, rods, wires, pipes, as well as deep processed products such as ships, crucibles, sputtering targets, coating targets, machined parts, high-temperature furnace insulation screens, heating elements, furnace bodies (heating furnaces, annealing furnaces), corrosion-resistant equipment, etc.
As a manufacturer, supplier, and exporter of niobium materials, Shaanxi Zhongheng Weichuang Metal Materials Co., Ltd. provides high-purity, high-temperature resistant, corrosion-resistant, aerospace, defense, military, and marine engineering specialized products with worry free quality and more favorable prices! Customer service is always online, so you have no worries.
The production of high-strength niobium wire begins with the preparation of high-purity niobium matrix. The niobium raw material is purified to above 99.95% by electron beam melting (EBM) or vacuum arc melting (VAR), and the content of interstitial elements such as oxygen and nitrogen is strictly controlled. Subsequently, strengthening elements such as tungsten, molybdenum, and zirconium were added for alloying design, forming a series of alloy ingots such as Nb-W and Nb Mo, laying the material foundation for subsequent strengthening treatments.
The prepared alloy ingot is subjected to hot extrusion or hot rolling to form a wire billet, and then gradually reduced to the target size through multiple cold drawing processes. The deformation of each pass is controlled at 10% -20%, and intermediate annealing is carried out in a vacuum environment of 800-1000 ° C to eliminate work hardening. The final wire diameter can reach φ 0.1-3.0mm, while achieving grain refinement and dislocation propagation, increasing the tensile strength to 1000-1500MPa.
The key strengthening process is to optimize the material structure through heat treatment. Recrystallize annealing at 1000-1200 ° C vacuum environment to obtain uniform and fine grain structure; Aging treatment is also performed on specific alloys (such as Nb-10W-2.5Zr) at 800-900 ° C to promote the precipitation of dispersion strengthening phases, further improving high-temperature strength and creep resistance.
Finally, surface defects are removed through electrolytic polishing and subjected to rigorous performance testing. Including room temperature/high temperature mechanical performance testing, microstructure analysis, and non-destructive testing such as eddy current testing, to ensure that the product meets the requirements of high strength, high temperature stability, and reliability, providing key material support for fields such as aerospace and nuclear energy.
High strength niobium wire has become a key material in multiple high-end fields due to its excellent comprehensive performance. It has a high melting point (2468 ° C), low density (8.57 g/cm ³), high strength, and excellent high-temperature creep resistance. Through alloying and precision machining, the tensile strength can reach 1000-1500 MPa while maintaining good toughness. In the aerospace field, it is used as a reinforcing wire for rocket engine turbopump blades and a mesh antenna skeleton for spacecraft, balancing lightweight and high-temperature strength; In nuclear energy equipment, as the reinforcing fiber of the sodium cooled fast reactor fuel cladding tube and the first wall support mesh of the fusion device, it can withstand high temperature irradiation and liquid metal corrosion.
In addition, high-strength niobium wire also exhibits excellent corrosion resistance, biocompatibility, and high-temperature stability. In high-end industry, it is used to manufacture high-temperature sintering furnace support wires and vacuum arc furnace electrode leads, which can work for a long time in a 1800 ° C vacuum environment without deformation; In the field of medical implantation, it is applied to orthopedic surgical guide wires and vascular intervention instrument guide wires, which have both biocompatibility and high yield strength, meeting the safety and mechanical performance requirements of the human environment.
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