Stainless Steel High Strength Steel Fiber
Adding an appropriate amount of steel fiber to the concrete mixture can be mixed into a special shotcrete and pouring concrete, namely steel fiber concrete.
- Product Introduction
Adding an appropriate amount of steel fiber to the concrete mixture can be mixed into a special shotcrete and pouring concrete, namely steel fiber concrete.
Compared with general concrete, steel fiber concrete has a large number of extremely fine steel fibers evenly dispersed in the concrete, which has greatly improved tensile strength, flexural strength, wear resistance, impact resistance, fatigue resistance, toughness, crack resistance and seismic resistance. The contact area with concrete is large, so the strength of concrete is comprehensively improved.
Specific application examples
Construction industry: In the construction of high-rise buildings and bridges, the use of stainless steel high-strength steel fibers can improve the crack resistance and durability of concrete and extend the service life of buildings.
Aerospace: In the manufacture of aircraft and spacecraft, stainless steel high-strength steel fibers can be used to manufacture lightweight, high-strength composite materials to improve the performance and safety of aircraft.
Automotive industry: In automobile body and chassis components, stainless steel high-strength steel fibers can enhance the strength and corrosion resistance of materials and improve the safety and reliability of vehicles.
Environmental protection: In sewage treatment and air purification equipment, stainless steel high-strength steel fibers can be used as filter materials with excellent corrosion resistance and filtering effects.
Preparation method and process
Melt spinning method: After melting the alloy of stainless steel and high-strength steel, it is pulled into filaments using a high-speed rotating device, and then cooled and solidified to form fibers.
Powder metallurgy method: After mixing the powders of stainless steel and high-strength steel, the fibers are prepared through pressing and sintering processes.
Electrochemical deposition method: Through electrochemical deposition technology, an alloy layer of stainless steel and high-strength steel is deposited on a conductive substrate, and then the fiber is obtained by mechanical stripping or chemical corrosion.
Laser processing method: Stainless steel and high-strength steel are cut and processed using a high-energy laser beam to form long and thin fibers.
Performance parameters and test methods
Mechanical properties: The tensile strength of stainless steel high-strength steel fiber can reach more than 1500 MPa, and the elongation at break is generally around 3%.
Corrosion resistance: The corrosion resistance of stainless steel high-strength steel fiber can be evaluated through salt spray test and corrosive medium immersion test.
Thermal stability: The stability and thermal decomposition behavior of stainless steel high-strength steel fiber at high temperature can be tested through thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC).
Microstructure: The microstructure and grain size of stainless steel high-strength steel fibers can be observed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM).
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