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Method for preparing high-toughness complex-phase high-entropy ceramic by using solid solution coupling method and application of high-toughness complex-phase high-entropy ceramic
The invention discloses a method for preparing high-toughness complex-phase high-entropy ceramic by using a solid solution coupling method and application, belongs to the technical field of ceramic materials, and particularly relates to a method for preparing high-toughness complex-phase high-entropy ceramic and application. The method comprises the following steps: 1, preparing composite powder; and 2, carrying out solid solution coupling to obtain the high-toughness complex-phase high-entropy ceramic. The invention discloses application of high-toughness complex-phase high-entropy ceramic in the field of ultra-high temperature and cutting tools. According to the invention, a plurality of diborides and carbides are subjected to solid solution coupling in the sintering process, so that the mass transfer process is greatly promoted, and the compactness of the prepared composite ceramic is greater than 97.2%; the grain size of the prepared high-toughness complex-phase high-entropy ceramic is smaller, meanwhile, the strength and the toughness are remarkably improved, and the fracture toughness can reach 5.8 MPa.m < 1/2 >. According to the invention, the high-toughness complex-phase high-entropy ceramic can be obtained.
一种利用固溶耦合法制备高强韧复相高熵陶瓷的方法和应用，它属于陶瓷材料技术领域，具体涉及一种制备高强韧复相高熵陶瓷的方法和应用。方法：一、制备复合粉体；二、固溶耦合，得到高强韧复相高熵陶瓷。一种高强韧复相高熵陶瓷在超高温和切削刀具领域的应用。本发明中多种二硼化物和碳化物在烧结过程中发生固溶耦合，大大促进了传质过程，制备复相陶瓷的致密度均大于97.2％；本发明制备的高强韧复相高熵陶瓷的晶粒尺寸更加细小，同时强度和韧性均得到显著提升，断裂韧性可达5.8MPa·m1/2。本发明可获得一种高强韧复相高熵陶瓷。
Method for preparing high-toughness complex-phase high-entropy ceramic by using solid solution coupling method and application of high-toughness complex-phase high-entropy ceramic
The invention discloses a method for preparing high-toughness complex-phase high-entropy ceramic by using a solid solution coupling method and application, belongs to the technical field of ceramic materials, and particularly relates to a method for preparing high-toughness complex-phase high-entropy ceramic and application. The method comprises the following steps: 1, preparing composite powder; and 2, carrying out solid solution coupling to obtain the high-toughness complex-phase high-entropy ceramic. The invention discloses application of high-toughness complex-phase high-entropy ceramic in the field of ultra-high temperature and cutting tools. According to the invention, a plurality of diborides and carbides are subjected to solid solution coupling in the sintering process, so that the mass transfer process is greatly promoted, and the compactness of the prepared composite ceramic is greater than 97.2%; the grain size of the prepared high-toughness complex-phase high-entropy ceramic is smaller, meanwhile, the strength and the toughness are remarkably improved, and the fracture toughness can reach 5.8 MPa.m < 1/2 >. According to the invention, the high-toughness complex-phase high-entropy ceramic can be obtained.
一种利用固溶耦合法制备高强韧复相高熵陶瓷的方法和应用，它属于陶瓷材料技术领域，具体涉及一种制备高强韧复相高熵陶瓷的方法和应用。方法：一、制备复合粉体；二、固溶耦合，得到高强韧复相高熵陶瓷。一种高强韧复相高熵陶瓷在超高温和切削刀具领域的应用。本发明中多种二硼化物和碳化物在烧结过程中发生固溶耦合，大大促进了传质过程，制备复相陶瓷的致密度均大于97.2％；本发明制备的高强韧复相高熵陶瓷的晶粒尺寸更加细小，同时强度和韧性均得到显著提升，断裂韧性可达5.8MPa·m1/2。本发明可获得一种高强韧复相高熵陶瓷。
Method for preparing high-toughness complex-phase high-entropy ceramic by using solid solution coupling method and application of high-toughness complex-phase high-entropy ceramic
一种利用固溶耦合法制备高强韧复相高熵陶瓷的方法和应用
HUO SIJIA (author) / CHEN LEI (author) / WANG YUJIN (author) / MAO MINGXUAN (author) / ZHOU YU (author)
2022-04-12
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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