Journal of Inorganic Materials, Volume. 36, Issue 7, 733(2021)
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3. Width of tensile zone decreases with increase of brass beam width
4. Schematic diagram of pre-cracking by four-point bending test in horizontal direction
5. Microscopic images of composite bonded by ceramic thin plate and brass beam
6. Diagram of pre-cracking by four-point bending test under tool microscope
7. Schematic diagram of three-point bending test of fracture toughness
8. In- situ observation of crack initiation and extension in Al2O3 plate
10. Pre-crack initial length by using brass beam of different widths
Table 1. Basic mechanical properties of three types of ceramic thin plates
View tableView in ArticleTable 1. Basic mechanical properties of three types of ceramic thin plates
Material Elastic modulus/GPa Bending strength/MPa Vickers hardness/GPa Al2O3 (305±10) (315±20) (19.8±0.1) SiC (360±12) (340±28) (20.1±0.3) Si3N4 (280±8) (425±33) (15.9±0.6)
Table 2. Fracture toughness of ceramic thin plate and ceramic block
View tableView in ArticleTable 2. Fracture toughness of ceramic thin plate and ceramic block
Material type Thickness of the specimen/mm Number of specimen Number of successful pre-cracks Fracture toughness/ (MPa∙m1/2) Al2O3 0.6 15 15 (4.17±0.26) 3 10 8 (4.21±0.25) SiC 0.6 15 14 (3.81±0.24) 3 10 7 (3.72±0.22) Si3N4 0.6 15 14 (5.28±0.31) 3 10 8 (5.36±0.33)
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Delong MA, Yiwang BAO, Detian WAN, Yan QIU, Dezhi ZHENG, Shuai FU.
Paper Information
Category: RESEARCH ARTICLE
Received: Nov. 2, 2020
Accepted: --
Published Online: Nov. 25, 2021
The Author Email: BAO Yiwang (baoyw@ctc.ac.cn)
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