Synthesis and characterization of in situ TiC–TiB2 composite coatings by reactive plasma spraying on a magnesium alloy

Zou, Binglin; Tao, Shunyan; Huang, Wenzhi; Khan, Zuhair S.; Fan, Xizhi; Gu, Lixu; Wang, Ying; Xu, Jianming; Xi, Cai; Ma, Hongmei; Cao, Xia

doi:10.1016/j.apsusc.2012.10.177

Cited by 50 publications

(9 citation statements)

References 32 publications

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“…For the sample S1 with the low binder phase, the ceramic particles can be easily removed from the matrix during wear process, leading to the formation of the debris and craters. This is in agreement with the previous study 24 . In addition, when the Ni content increases to a certain extent, the ceramic content in the coating decreases and the inhibition effect of the ceramic particles also decreases.…”

Section: Wear Mechanisms Of the Composite Coatingssupporting

confidence: 94%

Microstructure and Wear Resistance of ZrC-ZrB2 /Ni Composite Coatings Prepared by Plasma Transferred Arc Cladding

et al. 2019

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The ZrC-ZrB 2 /Ni metal matrix composite coatings were in-situ synthesized from a mixture of Ni, Zr and B 4 C by plasma transferred arc (PTA) cladding process. Microstructures and phase constituents of the coatings were characterized by electron probe micro-analyzer (EPMA) and X-ray diffraction (XRD). Microhardness and wear resistance of the coatings were systematically investigated by means of vickers hardness tester and wear tester. The results showed that the main phases of the composite coatings were ZrB 2 and ZrC. The coatings had a sound metallurgical bonding to the SA-283C steel substrate. Microhardness and wear resistance of the substrate were greatly improved by the composite coatings, and both of them showed a tendency to increase first and then decrease with the increase of the Ni content. As the content of Ni was 30 wt.%, the hardness of the coating reached the maximum value, 1522 HV, and the wear resistance was about 15 times that of the substrate.

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Section: Wear Mechanisms Of the Composite Coatingssupporting

confidence: 94%

Microstructure and Wear Resistance of ZrC-ZrB2 /Ni Composite Coatings Prepared by Plasma Transferred Arc Cladding

et al. 2019

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“…Toughening ceramics becomes a cosmopolitan difficult problem. Researches indicated that composite ceramics composed of some single-phased ceramics with good physical and chemical compatibility have higher toughness than the single-phased ceramics, and the toughness of ternary ceramics (such as TiB2-TiCAl2O3, TiB2-TiC-Al2O3-SiC et al) is higher than that of the binary ceramics (such as TiB2-TiC, TiB2-Al2O3, TiC-Al2O3, Al2O3-SiC et al) [1][2][3][4][5]. Among them, TiB2-TiC, TiB2-Ti(C,N) and TiB2-TiC-Al2O3 were widely investigated as coating materials [6,7].…”

Section: Introductionmentioning

confidence: 99%

Spray process for in situ synthesizing Ti(C,N)-TiB₂-Al₂O₃ composite ceramic coatings

Jian¹,

Liu²,

Sun³

2017

IOP Conf. Ser.: Mater. Sci. Eng.

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Abstract. Using core wires with Ti-B4C-C as core and Al as strip materials, Ti(C,N)-TiB2-Al2O3 composite ceramic coatings were prepared on 45 steel substrates by the reactive arc spray technology. The influence of spray voltage, current, gas pressure and distance on the coatings was discussed. The spray parameters were optimized with porosity of the coatings as evaluation standard. The results showed that the most important factor which influences the quality of the coatings was spray distance. Then spray gas pressure, current and voltage followed in turn. The optimum process was spray current of 120A, voltage of 36, gas pressure of 0.7MPa and distance of 160mm. The porosity of coatings prepared in this spray process was only 2.11%. The coatings were composed of TiB2, TiC0.3N0.7, TiN, Al2O3 and AlN. Good properties and uniform distribution of these ceramic phases made the coatings have excellent comprehensive performances. IntroductionCeramics have virtues of high strength, good wear-and corrosion-resistance. That's why they are regarded as favorable structural or coating materials of components working on rigorous service conditions. However, the inherent fragility of ceramics restricts their applications. Toughening ceramics becomes a cosmopolitan difficult problem. Researches indicated that composite ceramics composed of some single-phased ceramics with good physical and chemical compatibility have higher toughness than the single-phased ceramics, and the toughness of ternary ceramics (such as TiB2-TiCAl2O3, TiB2-TiC-Al2O3-SiC et al) is higher than that of the binary ceramics (such as TiB2-TiC, TiB2-Al2O3, TiC-Al2O3, Al2O3-SiC et al) [1][2][3][4][5]. Among them, TiB2-TiC, TiB2-Ti(C,N) and TiB2-TiC-Al2O3 were widely investigated as coating materials [6,7]. They were widely reported to be prepared by reactive flame spray, argon arc cladding, lazer cladding, electro-thermal explosion spray and reactive plasma spray, whereas seldom reported to be prepared by arc spray technology [2,3,[8][9][10][11].As well known, the arc spray technology is mainly used to prepare metal coatings, or ceramic grains strengthening metal-based composite coatings, whose main composition is still metals, but hard to prepare entire ceramic coatings. This paper developed a new ceramic coating preparation method of reactive arc spray (abbr. RAS) by combining self-propagating high-temperature synthesis (abbr. SHS) with arc spray. Ti(C,N)-TiB2 -Al2O3 composite ceramic coatings were prepared on the surface of 45 steel by RAS with core wires with Ti-B4C-C as core and Al as strip materials. The influence of spray

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“…TiB 2 -TiC 12.7% 1031 HV 0.1 [44] TiB A survey of the published literature shows that process modeling of CMCs has been studied by a number of researchers. Processes that have been modeled include RMI, 15,16 CVD, 17,18 CVI, [19][20][21][22] and Sol-Gel Infiltration.…”

Section: Microhardness Of the Coating Referencementioning

confidence: 99%

Effect of nano‐Al₂O₃ on the microstructure and properties of NbB₂‐NbC composite coatings prepared by plasma spraying

et al. 2021

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NbB2‐NbC composite coatings with or without Al2O3 addition had been fabricated via the plasma spraying method, respectively. The effect of nano‐Al2O3 on the microstructure and properties (microhardness, toughness and wear resistance) of sprayed NbB2‐NbC coating was explored. It was found that NbB2‐NbC coating exhibited loose microstructure, many pores and no obvious lamellar structure. NbB2‐NbC‐Al2O3 composite coating showed denser microstructure, fewer pores, and more obvious lamellar structure than NbB2‐NbC composite coating. NbB2‐NbC‐Al2O3 composite coating had high microhardness, good toughness, and excellent wear resistance, which could mainly attribute to the addition of nano‐Al2O3 leading the composite powder to melt more fully.

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Synthesis and characterization of in situ TiC–TiB2 composite coatings by reactive plasma spraying on a magnesium alloy

Cited by 50 publications

References 32 publications

Microstructure and Wear Resistance of ZrC-ZrB2 /Ni Composite Coatings Prepared by Plasma Transferred Arc Cladding

Microstructure and Wear Resistance of ZrC-ZrB2 /Ni Composite Coatings Prepared by Plasma Transferred Arc Cladding

Spray process for in situ synthesizing Ti(C,N)-TiB₂-Al₂O₃ composite ceramic coatings

Effect of nano‐Al₂O₃ on the microstructure and properties of NbB₂‐NbC composite coatings prepared by plasma spraying

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Synthesis and characterization of in situ TiC–TiB2 composite coatings by reactive plasma spraying on a magnesium alloy

Cited by 50 publications

References 32 publications

Microstructure and Wear Resistance of ZrC-ZrB2 /Ni Composite Coatings Prepared by Plasma Transferred Arc Cladding

Microstructure and Wear Resistance of ZrC-ZrB2 /Ni Composite Coatings Prepared by Plasma Transferred Arc Cladding

Spray process for in situ synthesizing Ti(C,N)-TiB2-Al2O3 composite ceramic coatings

Effect of nano‐Al2O3 on the microstructure and properties of NbB2‐NbC composite coatings prepared by plasma spraying

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Spray process for in situ synthesizing Ti(C,N)-TiB₂-Al₂O₃ composite ceramic coatings

Effect of nano‐Al₂O₃ on the microstructure and properties of NbB₂‐NbC composite coatings prepared by plasma spraying