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METHOD FOR PREPARING SHELL-BIONIC CERAMIC TOOL AND SHELL-BIONIC CERAMIC TOOL
A method for preparing a shell-bionic ceramic tool and a shell-bionic ceramic tool, wherein the shell-bionic ceramic tool includes alternating stacks of ceramic powders with different components, pressing a ceramic green body using a cold briquetting method, carrying out pre-pressing once using a graphite indenter on a working surface thereof after each layer of the ceramic powder being loaded, and pressing a last layer using a graphite rod, and then pressing a whole ceramic green body with a certain pressure to promote a bonding of the layers of ceramic powder, which in turn gives a complex shape to an interface between the layers, increases a bonding area between the layers, and plays the role of hindering crack expansion, extending the crack expansion path, and improving the bonding strength of the interface; after then, hot-pressed sintering is used to densify the ceramic green body to obtain the shell-bionic ceramic tool.
METHOD FOR PREPARING SHELL-BIONIC CERAMIC TOOL AND SHELL-BIONIC CERAMIC TOOL
A method for preparing a shell-bionic ceramic tool and a shell-bionic ceramic tool, wherein the shell-bionic ceramic tool includes alternating stacks of ceramic powders with different components, pressing a ceramic green body using a cold briquetting method, carrying out pre-pressing once using a graphite indenter on a working surface thereof after each layer of the ceramic powder being loaded, and pressing a last layer using a graphite rod, and then pressing a whole ceramic green body with a certain pressure to promote a bonding of the layers of ceramic powder, which in turn gives a complex shape to an interface between the layers, increases a bonding area between the layers, and plays the role of hindering crack expansion, extending the crack expansion path, and improving the bonding strength of the interface; after then, hot-pressed sintering is used to densify the ceramic green body to obtain the shell-bionic ceramic tool.
METHOD FOR PREPARING SHELL-BIONIC CERAMIC TOOL AND SHELL-BIONIC CERAMIC TOOL
HUANG CHUANZHEN (author) / FENG YUNPENG (author) / LIU HANLIAN (author) / SHI ZHENYU (author) / YAO PENG (author) / LIU DUN (author) / ZOU BIN (author) / ZHU HONGTAO (author) / WANG ZHEN (author) / WANG JUN (author)
2024-04-25
Patent
Electronic Resource
English
METHOD FOR PREPARING SHELL-BIONIC CERAMIC TOOL AND SHELL-BIONIC CERAMIC TOOL
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