نتایج جستجو برای: nicrbsi coating

تعداد نتایج: 37105  

2010
Slavonski Brod

Original scientific paper In this paper, influence of flame spraying and fusing on microstructure of substrates made from heat treated carbon steel C45, a heat treated low alloyed 42CrMo4 steel and stainless austenitic steel X6CrNiMo18-10-2, has been investigated. Flame spraying and fusing is a deposition technique commonly applied to nickel-base self-fluxing alloys (NiCrBSi alloys). Because of...

Journal: :Journal of Thermal Spray Technology 2022

Abstract Corrosion performance of NiCr and NiCrBSi coatings produced by APS, HVOF, HVAF was studied electrochemical measurements immersion tests in 0.5 3.5 wt.% NaCl solutions. In the measurements, performed better than coatings. The effect coating process on corrosion resistance material significantly lower that selected materials, or NiCrBSi. All showed a tendency to passivate but suffered fr...

Journal: :Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 2019

Journal: :Journal of Nanomaterials 2022

The superalloys are generally used for high-temperature applications, and since they operate in an aggressive environment, it is required to protect them with appropriate coating enhance the life of superalloy material. In present study, Ti-31 coated cermets Al2O3+NiCrBSi by high-velocity oxy fuel (HVOF) spray technique, hot corrosion tests were performed on both uncoated samples, presence Na2S...

Journal: :Diagnostics, resource and mechanics of materials and structures 2022

The paper investigates the effect of number passes (1 or 2) an indenter made fine cubic boron nitride during friction treatment PG-SR2 and PG-10N-01 NiCrBSi-coatings on micromechanical properties their surface layers. coating under all process conditions studied, in comparison with initial polished state, increases strength characteristics layer parameters indicating resistance material to elas...

High velocity oxy-fuel (HVOF) is one of the emerging technologies among the thermal spraying techniques, for producing uniform and dense coatings, having high hardness and very low porosity. A NiCrBSi alloy coating was prepared with approximately 400µm thick, on the A516 steel by means of HVOF and was analyzed with regard to its detailed microstructures, phase formation, thickness, roughness an...

Journal: :Metals 2023

This article compares the creep testing behavior of AISI 4340 high-strength steel in as-received and coated conditions. The coating material used was a NiCrBSi self-fluxing alloy. microstructural characterization carried out using optical scanning electron microscopy. tests were conducted at temperature 550 °C with loads 200, 250, 300 MPa. microstructure analysis deposited layer revealed some i...

Journal: :Coatings 2021

Nickel-based alloys are commonly used as protective coating materials for surface protection applications owing to their superior resistance corrosion, wear and high-temperature oxidation. It is urgent study the fundamental mechanism between structure corrosion properties of Nickel-base composite coatings. This paper, therefore, focuses on clarifying mechanisms microstructure influencing acid m...

Journal: :Coatings 2023

In order to extend the service life of 45# steel and reduce production costs, coating NiCrBSi alloy powder on surface can meet requirements, avoid resource waste achieve green manufacturing. Based response method (RSM), dilution rate, aspect ratio contact angle were taken as optimization goals, process parameters (laser power, scanning speed feeding rate) optimized optimal determined. On this b...

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