《Table 3 Properties of the high-entropy diboride ceramics》

《Table 3 Properties of the high-entropy diboride ceramics》   提示:宽带有限、当前游客访问压缩模式
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《硼热/碳热还原技术制备高致密度、高纯度高熵硼化物陶瓷(英文)》


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a)HV1 data is not available.

In order to minimize both the residual B4C and MOxin the final powders,the B4C/MOxratio should be set in the range regulated by Reactions(1)and(2).Accordingly,four compositions with different B4C/MOxratios denoted as HEB1,HEB2,HEB3 and HEB4 were designed.Corresponding molar ratios of TiO2/ZrO2/HfO2/Nb2O5/Ta2O5/B4C are 2/2/2/1/1/7.43(all B2O3,Reaction(1)),2/2/2/1/1/7.8,2/2/2/1/1/8.17,and 2/2/2/1/1/8.4(all BO,Reaction(2)).The designations for the different specimens are listed in Table 1.