Effect of the microstructure on the tribological properties of HIPed and PTA-welded Fe-based hardfacing alloy

Ardigo-Besnard, M.R.; Tellier, A.; Besnard, Aurélien; Chateau-Cornu, J.-P.

doi:10.1016/j.surfcoat.2021.127691

Cited by 10 publications

(2 citation statements)

References 29 publications

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“…The most significant wear mechanism is abrasive wear, which can account for up to 63 % of the overall wear cost. [1] Hard surfacing is one of the repair methods to add hardened metal to the worn surface of mechanical components due to mechanical wear, especially abrasive wear which is the most problematic [2,3]. Martensitic steel for hard surfacing provides high weld quality, reduced cracking issues, and adequate abrasive wear resistance because this material is both hard and soft [4].…”

Section: Introductionmentioning

confidence: 99%

Microstructural analysis of martensitic hard surfacing on low chromium alloy steel

Oo,

Muangjunburee,

Abd Rahim

et al. 2023

Materialwissenschaft Werkst

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This study focuses on the metallurgical characterization of single and multi‐layer martensitic hard surfacing onto non‐standardized low‐chromium alloy steel with a single buttering layer using an automatic submerged arc welding process as a standard reference. The metallurgical properties of hard surfaced samples are examined using an optical microscope, energy dispersive x‐ray spectroscopy, and x‐ray diffractometer. Micro‐Vickers hardness testing is also conducted to analyze and confirm the metallographic results of hard surfacing. The current study finds that the microstructure of each region is influenced by three key factors: chemical composition, heat input, and dilution. The structural type is determined by the chemical composition of materials, heat input influences the structural characteristics in the heat‐affected zone (needle‐shape martensite and tempered martensite), and dilution affects the structural characteristics of the hard surfacing layers (martensite with retained austenite). Comparing multi‐layer hard surfacing to single‐hard surfacing, the hardness values of the heat‐affected zone of the multi‐layer hard surfacing are greatly reduced, while the hardness values of the hard surfacing layers are raised.

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Section: Introductionmentioning

confidence: 99%

Microstructural analysis of martensitic hard surfacing on low chromium alloy steel

Oo,

Muangjunburee,

Abd Rahim

et al. 2023

Materialwissenschaft Werkst

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“…In hardfacing coatings, the surface of the material is coated with a material that provides high performance using a suitable welding method [12]. Various welding methods, such as shielded manual arc welding (SMAW) [13], flux cored arc welding (FCAW) [14], plasma transfer arc welding (PTA) [15], gas tungsten arc welding (GTAW) [16], and laser welding (LW) [17][18][19], are used in hardfacing applications. Although these methods have advantages and disadvantages compared to each other, the SMAW is one of the most preferred methods due to being economical and simple.…”

Section: Introductionmentioning

confidence: 99%

Effect of the Molybdenum Content on Wear and Corrosion Behavior of Fe-B-Based Surface-Alloyed Layer

Kocaman

2023

Coatings

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In this study, Fe-Mo-B-based hardfacing electrodes containing different amounts of Mo were coated on an AISI 1020 steel substrate using the electric arc welding method. The findings show that molybdenum is highly effective on the microstructure and minor changes in the coating composition affect the phases and morphological properties. In the hardness tests, an increase of 73% was achieved in the Fe14Mo2B4-based hardfacing coating, compared to the base material, and a 30% increase was achieved, compared to the Fe16B4-based coating. The highest hardness value was measured as 56.4 HRC and the highest phase hardness was measured as 3228 HV in the FeMo2B4 phase. The lowest wear rate was measured in the Fe14Mo2B4-based coating. The wear rate of the Fe14Mo2B4-based coating was 8.1 times lower than that of the substrate material and 4.7 times lower than that of the Fe16B4-based coating. According to corrosion test results, the highest corrosion resistance was obtained in the Fe16B4-based coating. The current density value of the Fe16B4-based coating was measured to be 13.6 times lower than that of the substrate material.

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Effect of interlayer temperature and extremely low terminal cooling temperature on the microstructure and wear resistance of Fe-based hardfacing alloy

Zhang

Wei

et al. 2023

Journal of Materials Research and Technology

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Effect of the microstructure on the tribological properties of HIPed and PTA-welded Fe-based hardfacing alloy

Cited by 10 publications

References 29 publications

Microstructural analysis of martensitic hard surfacing on low chromium alloy steel

Microstructural analysis of martensitic hard surfacing on low chromium alloy steel

Effect of the Molybdenum Content on Wear and Corrosion Behavior of Fe-B-Based Surface-Alloyed Layer

Effect of interlayer temperature and extremely low terminal cooling temperature on the microstructure and wear resistance of Fe-based hardfacing alloy

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