Technologies of obtaining aluminum oxynitride by HIP and reactive sintering methods and their influence on the phase composition and density of ceramics

Prosvirnin, D. V.; Larionov, M. D.; Колмаков, А. Г.; Pivovarchik, S. V.; Левина, А. В.

doi:10.1088/1742-6596/1347/1/012130

Cited by 1 publication

(2 citation statements)

References 2 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…At excessively high low or high firing temperatures and holding times, the porosity of the porcelain and the bulk density increased; however, the bulk density and flexural strength decreased. In general, materials with high density have greater flexural strength 28–30 …”

Section: Resultsmentioning

confidence: 99%

“…In general, materials with high density have greater flexural strength. [28][29][30] Figure 9 shows the fracture toughness of porcelain samples with different SiC contents, treated under the optimal conditions at 1260 • C for 30 min. The trend in these characteristics also showed an initial increase followed by a decreased, where the maximum value was 1.71 MPa ⋅ m 1/2 at 8 wt% SiC content.…”

Section: Microscopic Morphological Analysis Of Porcelainmentioning

confidence: 99%

See 1 more Smart Citation

Mechanical properties and strengthening mechanism of SiC particle reinforced porcelain

Zhou,

Li,

Sun

et al. 2023

Int J Applied Ceramic Tech

View full text Add to dashboard Cite

Mechanical properties of porcelain based on feldspar porcelain as a matrix with SiC particles as a reinforcing phase were studied in terms of the effects of SiC content, firing temperature, and holding time. A maximum flexural strength of 122 ± 4 MPa was achieved for a sample with 8 wt% SiC content treated at 1260°C for 30 min, which is 90.6% as high as than that of the unmodified matrix (64 ± 5 MPa). The fracture toughness and elastic modulus of the former sample were 1.71 MPa · m1/2 and 89.975 GPa, respectively. Because the thermal expansion coefficient of SiC (4.40 × 10−6/°C) is smaller than that of the glass phase (6.60 × 10−6/°C), the SiC particles remain in a state of compressive stress after the porcelain cooling. This characteristic restricts crack growth and offsets the tensile stress of the glass phase, restraining crystal growth owing to the tensile stress pinning the grains, such that the mechanical properties are improved.

show abstract

Section: Resultsmentioning

confidence: 99%

Section: Microscopic Morphological Analysis Of Porcelainmentioning

confidence: 99%