Ni-Si-B Alloy Powder
Ni-Si-B Alloy Powder
| Ni-Si-B Alloy Powder | |
| Product Number | NRE-9081-1 |
| CAS No. | NA |
| Formula | Ni-Si-B |
| APS | < 45 µm |
| Purity | 99.0% |
| Solidus Temperature | 980°C ± 10°C |
| Liquidus Temperature | 1040°C ± 10°C |
| Preferred Brazing Temperature | 1000°C – 1180°C (Approximate) |
Ni-Si-B Alloy Powder
Ni-Si-B Alloy Powder (Nickel-Silicon-Boron Alloy Powder) is widely used in industries that require excellent wear resistance, corrosion protection, high-temperature stability, and strong metallurgical bonding. Due to its self-fluxing properties and excellent flow characteristics, this alloy powder is commonly utilized in thermal spraying, hardfacing, brazing, and additive manufacturing applications.
One of the major applications of Ni-Si-B alloy powder is in thermal spray coatings. The powder is applied using flame spray, plasma spray, or HVOF techniques to create dense and durable protective coatings on machine components. These coatings help protect surfaces from abrasion, oxidation, erosion, and chemical attack, significantly extending the service life of industrial equipment.
The alloy powder is also extensively used in hardfacing and wear-resistant overlays. Components such as shafts, valves, rollers, pump sleeves, and turbine parts are coated with Ni-Si-B alloy to reduce wear and friction in harsh operating environments. The boron and silicon content lowers the melting point of the alloy, allowing it to form smooth and strongly bonded coatings during remelting operations.
In the automotive and aerospace industries, Ni-Si-B alloy powder is used for repairing and refurbishing high-value metal components exposed to high temperatures and mechanical stress. It provides excellent resistance against thermal fatigue and oxidation, making it suitable for engine parts, exhaust systems, and turbine assemblies.
The powder is further used in brazing applications, where it acts as a filler material for joining stainless steel, nickel alloys, and other heat-resistant metals. Its good wettability and flowability ensure strong, reliable joints in precision assemblies.
Additionally, Ni-Si-B alloy powder is increasingly utilized in metal additive manufacturing and laser cladding processes to manufacture high-performance components with improved surface hardness, corrosion resistance, and dimensional accuracy.
