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首页> 外文期刊>Materials Chemistry and Physics >Study of Hertzian indentation on a transparent vitroceramic and on an alumina
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Study of Hertzian indentation on a transparent vitroceramic and on an alumina

机译：透明玻璃陶瓷和氧化铝上的赫兹压痕研究

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摘要

An alumina, both as received and in an implanted state with zirconium ions, and a transparent vitroceramic were studied by the Hertzian indentation method. The acoustic emission was used for the determination of the critical fissuration load, P_c. In the three studied materials, this latter is proportional to the radius R of the ball, which validates the Auerbach law. Effects of abrasion and thermal treatment temperature of the vitro-ceramic, as well as ionic implantation of alumina, influence the critical load, P_c. The fracture surface energy, γ, and the critical stress intensity factor, K_(IC), of the studied materials were obtained by the use of Warren and Mouginot-Maugis analysis.
机译：通过赫兹压痕法研究了接收和注入锆离子的氧化铝和透明玻璃陶瓷。声发射被用于确定临界裂变载荷P_c。在三种研究材料中，后者与球的半径R成正比，这证明了奥尔巴赫定律。体外陶瓷的磨损和热处理温度的影响以及氧化铝的离子注入会影响临界载荷P_c。通过使用Warren和Mouginot-Maugis分析获得了研究材料的断裂表面能γ和临界应力强度因子K_（IC）。

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