Microstructure evolution and wear resistance of laser cladded 316L stainless steel reinforced with in-situ VC-Cr7C3

Gao, Yu; Liu, Ying; Wang, Lu; Yang, Xiaojiao; Zeng, Tao; Sun, Lijuan; Wang, Renquan

doi:10.1016/j.surfcoat.2022.128264

Cited by 25 publications

(8 citation statements)

References 40 publications

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“…Based on the XRD pattern of the surface coatings in Figure 4 , the SEM image of the surface coating in Figure 5 c, and the EDS elemental content analysis of the surface coating in Table 5 , it can be seen that the surface coating is divided into three regions: spherical black particles (A), dark gray dendritic and inter-dendritic eutectic (B), and light gray, blocky features (C) [ 24 ], which are vanadium carbides, eutectic carbides of Cr and Fe, and matrix grains, respectively.…”

Section: Resultsmentioning

confidence: 99%

Composite Fe-Cr-V-C Coatings Prepared by Plasma Transferred-Arc Powder Surfacing

et al. 2023

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In this study, we developed composite Fe-Cr-V-C coatings by plasma transferred-arc (PTA) powder surfacing on a 42CrMo steel substrate. The effects of arc current and ion gas flow rate on the coatings’ microstructure, hardness, and bonding performance were investigated. During the surfacing process, VxCy,M7C3M=Fe,Cr and other hard phases are in-situ generated throughout the entire PTA powder surfacing. These phases are uniformly distributed in the Fe matrix through precipitation and dispersion strengthening, yielding a surface hardness of up to 64.1 HRC. Also, the bonding performance between the substrate and coatings was evaluated by measuring the tensile strength, revealing that strong metallurgical bonds are formed, reaching a strength greater than 811 MPa.

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Section: Resultsmentioning

confidence: 99%

Composite Fe-Cr-V-C Coatings Prepared by Plasma Transferred-Arc Powder Surfacing

et al. 2023

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“…Moreover, the microhardness of the studied Zr-containing HEAs was compared with our Hf-and Mo-containing bio-HEAs with similar chemical composition, conventional biomaterials, and human bone (Table 6). NiTi (hot-pressed and rolled) 693 [46] 316L SS (laser-cladded) 467.8 [47] Ti-6Al-4V (selective laser-melted) 390 [48] Ti-40Nb-10Ag (sintered at 975 • C) 360.4 [49] Titanium Grade 4 (after SPD process) 330 [50] cp-Ti (after high-pressure torsion) 305 [51] 316L SS (additive-manufactured) 300 [52] Lamellar bone 88.8 [53] According to the presented results, the microhardness of all the studied Zr-containing HEAs was comparable with the literature reporting Hf-and Mo-containing HEAs [27,28]. Nevertheless, the microhardness was higher in comparison to Ti-based biomaterials and human bone.…”

Section: Microhardness Of Investigated Heasmentioning

confidence: 99%

Influence of Zirconium on the Microstructure, Selected Mechanical Properties, and Corrosion Resistance of Ti20Ta20Nb20(HfMo)20−xZrx High-Entropy Alloys

Glowka,

Zubko,

Świec

et al. 2024

Materials

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The presented work considers the influence of the hafnium and molybdenum to zirconium ratio of Ti20Ta20Nb20(HfMo)20−xZrx (where x = 0, 5, 10, 15, 20 at.%) high-entropy alloys in an as-cast state for potential biomedical applications. The current research continues with our previous results of hafnium’s and molybdenum’s influence on a similar chemical composition. In the presented study, the microstructure, selected mechanical properties, and corrosion resistance were investigated. The phase formation thermodynamical calculations were also applied to predict solid solution formation after solidification. The calculations predicted the presence of multi-phase, body-centred cubic phases, confirmed using X-ray diffraction and scanning electron microscopy. The chemical composition analysis showed the segregation of alloying elements. Microhardness measurements revealed a decrease in microhardness with increased zirconium content in the studied alloys. The corrosion resistance was determined in Ringer’s solution to be higher than that of commercially applied biomaterials. The comparison of the obtained results with previously reported data is also presented and discussed in the presented study.

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“…[14] If the VC-based tool steels are fabricated through casting, the VC forms network structure due to the low solidification rate. [15,16] Once VC carbides are connected each other, it would deteriorate both wear resistance and impact property. [17] Therefore, components of the VC-based tool steel are generally fabricated through a powder metallurgy method.…”

Section: Introductionmentioning

confidence: 99%

The Effect of V/C Ratio on the Phase Formation Behavior in Vanadium Carbide‐Based Tool Steel Fabricated through Powder Metallurgy

Park,

Kim,

Jun

et al. 2023

steel research int.

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This study investigates phase formation behavior by considering the vanadium (V) to carbon (C) ratio in vanadium carbide‐based tool steel. The V/C ratios are controlled by changing the V content. The samples with the V/C ratio of 4.78 and 6.12 are first prepared through gas atomization with a form of powder and then turned into bulk forms through hot isostatic pressing. The bulk samples are annealed at 1070 °C and then quenched. The hardness values of the 4.78V/C and 6.12V/C samples are 50.7 and 17.3 HRC, respectively. Phases of each sample are analyzed to confirm the reason for the hardness difference. The α′‐martensite phase is formed in the matrix of the 4.78V/C sample, whereas the matrix of the 6.12V/C sample is the α‐ferrite phase. Thermodynamic calculations and high‐temperature phase analysis are performed to examine the difference in the phase formation. In the 4.78V/C sample, the γ‐austenite phase is formed at 1070 °C, which transforms to the α′‐martensite phase during cooling in the heat treatment process. Meanwhile, the 6.12V/C sample has no austenite phase at 1070 °C, so martensitic transformation does not occur. These analyses confirm that it is crucial to control the phase formation by controlling the contents of V and C with an appropriate ratio.

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Microstructure evolution and wear resistance of laser cladded 316L stainless steel reinforced with in-situ VC-Cr7C3

Cited by 25 publications

References 40 publications

Composite Fe-Cr-V-C Coatings Prepared by Plasma Transferred-Arc Powder Surfacing

Composite Fe-Cr-V-C Coatings Prepared by Plasma Transferred-Arc Powder Surfacing

Influence of Zirconium on the Microstructure, Selected Mechanical Properties, and Corrosion Resistance of Ti20Ta20Nb20(HfMo)20−xZrx High-Entropy Alloys

The Effect of V/C Ratio on the Phase Formation Behavior in Vanadium Carbide‐Based Tool Steel Fabricated through Powder Metallurgy

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