| 利用维氏和玻氏压头表征半导体材料断裂韧性1) | 
| 刘明, 侯冬杨, 高诚辉 | 
| STUDY ON FRACTURE TOUGHNESS OF SEMICONDUCTOR MATERIAL USING VICKERS AND BERKOVICH INDENTERS1) | 
| Liu Ming, Hou Dongyang, Gao Chenghui | 
| 图6 维氏和玻氏压头下载荷$P$与$c^{3/2}$的关系图 | 
| Fig.6 Plots of $c^{3/2}$ versus load under Vickers and Berkovich indenters | 
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