Preparation and anti-oxidation characteristics of ZrSiO4–SiBCN(O) amorphous coating

Tang, Bao-Jun; Feng, Zelong; Hu, Shujuan; Zhang, Yue

doi:10.1016/j.apsusc.2015.01.119

Cited by 25 publications

(5 citation statements)

References 36 publications

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“…For the SM2 sample, the ZrSiO 4 phases would decompose to ZrO 2 and SiO 2, as a result, ZrO 2 reacts with C to shape ZrC on the oxide surface. However, according to B. J. Tang's work, 30 they found that no trace of ZrC was observed on the oxide surface aer oxidation tests at 1500 C. The low content of C in the ZrSiO 4 -SiBCN(O) amorphous coating resulted in the above phenomenon. So the residual excess carbon in the SiBCN matrix aer sintering should be responsible for the formation of ZrC, as indicated in Fig.…”

Section: Oxidation Resistancementioning

confidence: 97%

“…However, only SiO 2 and ZrC exist in the outermost layer at 1500 C while B 2 O 3 evaporates completely, which is different from previous research. 30 One different point between SM1 and SM2 aer the oxidation test is that the diffraction intensities of SiO 2 on the SM1 surface oxide layer are higher than on SM2 when the oxidation time reaches 20 h at 1300 C. Fig. 11(c) shows the inuence of temperature on the oxide layer of the SM2 sample with a holding time of 10 h at various target temperatures.…”

Section: Oxidation Resistancementioning

confidence: 99%

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Microstructures, mechanical properties and oxidation resistance of SiBCN ceramics with the addition of MgO, ZrO₂ and SiO₂ (MZS) as sintering additives

Yang

Mao

et al. 2015

RSC Adv.

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Nano-crystalline SiBCN ceramics were prepared by mechanical alloying (MA) plus hot pressing (HP) with the addition of MZS1 (MgO, ZrO 2 and SiO 2 ) and MZS2 (ZrSiO 4 and SiO 2 ) as the sintering additives. The effects of the two additives on the microstructure, mechanical properties and oxidation resistance of SiBCN ceramics were carefully evaluated. The addition of MZS1 and MZS2 additives in the SiBCN matrix can boost elemental diffusion and matrix densification. Owing to the effective densification caused by the sintering additives, the mechanical properties of SM1 and SM2 samples are far superior to monolithic SiBCN. The oxide layers of SM1 and SM2 samples remain relatively dense and continuous, and have a strong binding capacity with the matrix after oxidation testing at 1500 C for 20 h. The residual excess carbon in the SiBCN matrix should be responsible for the formation of ZrC and the outermost oxide layer structure is comprised of SiO 2 and ZrC after the oxidation test. The flexural strength, Young's modulus, fracture toughness and Vicker's hardness of the SM2 sample are much higher than monolithic SiBCN ceramics, reaching to 394.2 AE 41.7 MPa, 152.9 AE 16.0 GPa, 5.86 AE 0.86 MPa m 1/2 and 8.3 AE 0.6 GPa, respectively.

show abstract

Section: Oxidation Resistancementioning

confidence: 97%

Section: Oxidation Resistancementioning

confidence: 99%

Microstructures, mechanical properties and oxidation resistance of SiBCN ceramics with the addition of MgO, ZrO₂ and SiO₂ (MZS) as sintering additives

Yang

Mao

et al. 2015

RSC Adv.

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“…At 1000-1200 ℃, the borosilicate glass shows suitable viscosity and good wettability. The effective operating temperature range of borosilicate glass is 1000-1200 ℃ [85]. The SiO 2 glass shows excellent self-healing property when the temperature is above 1200 ℃.…”

Section: Cmc-sic Modified With Self-healing Matrixmentioning

confidence: 99%

Long-term ceramic matrix composite for aeroengine

Song

Cheng

et al. 2022

J Adv Ceram

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Three strategies were proposed to prolong the service life of continuous fiber-reinforced silicon carbide ceramic matrix composite (CMC-SiC), which served as thermal-structure components of aeroengine at thermo-mechanical-oxygenic coupling environment. As for some thermal-structure components with low working stress, improving the degree of densification was crucial to prolong the service life, and the related process approaches were recited. If the thermal-structure components worked under moderate stress, the matrix cracking stress (σmc) should be improved as far as possible. The fiber preform architecture, interface shear strength, residual thermal stress, and matrix strengthening were associated with σmc in this review. Introducing self-healing components was quite significant with the appearance of matrix microcracks when CMC-SiC worked at more severe environment for hundreds of hours. The damage can be sealed by glass phase originating from the reaction between self-healing components and oxygen. The effective self-healing temperature range of different self-healing components was first summarized and distinguished. The structure, composition, and preparation process of CMC-SiC should be systematically designed and optimized to achieve long duration target.

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“…The HfN phases may exhibit better thermal stability with respect to defer the crystallization and carbothermal decomposition at elevated temperature. However, most synthesis methods require the precursor annealing at high temperature [21]. For example, HfN/SiN x nanocomposites are prepared from suitable single-source precursors at 1600 C in nitrogen [20].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characteristic of SiBCN/HfN ceramics with high temperature oxidation resistance

Wang

Zhang

Sun

et al. 2016

Journal of Alloys and Compounds

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Preparation and anti-oxidation characteristics of ZrSiO4–SiBCN(O) amorphous coating

Cited by 25 publications

References 36 publications

Microstructures, mechanical properties and oxidation resistance of SiBCN ceramics with the addition of MgO, ZrO₂ and SiO₂ (MZS) as sintering additives

Microstructures, mechanical properties and oxidation resistance of SiBCN ceramics with the addition of MgO, ZrO₂ and SiO₂ (MZS) as sintering additives

Long-term ceramic matrix composite for aeroengine

Synthesis and characteristic of SiBCN/HfN ceramics with high temperature oxidation resistance

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Preparation and anti-oxidation characteristics of ZrSiO4–SiBCN(O) amorphous coating

Cited by 25 publications

References 36 publications

Microstructures, mechanical properties and oxidation resistance of SiBCN ceramics with the addition of MgO, ZrO2 and SiO2 (MZS) as sintering additives

Microstructures, mechanical properties and oxidation resistance of SiBCN ceramics with the addition of MgO, ZrO2 and SiO2 (MZS) as sintering additives

Long-term ceramic matrix composite for aeroengine

Synthesis and characteristic of SiBCN/HfN ceramics with high temperature oxidation resistance

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Product

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Microstructures, mechanical properties and oxidation resistance of SiBCN ceramics with the addition of MgO, ZrO₂ and SiO₂ (MZS) as sintering additives

Microstructures, mechanical properties and oxidation resistance of SiBCN ceramics with the addition of MgO, ZrO₂ and SiO₂ (MZS) as sintering additives