压入硬度用来反映一种物质抵抗形变的能力。在压入硬度测试里，被测物质经过数次检测直到表面产生压痕。而压入硬度测试可以在宏观或者微观的条件下进行。
...压入硬度 压入试验 岩石可钻性 [gap=617]Key words MTS rock mechanics test system, indenter with falt fundus, indentation hardness, rock indentation, rock's drillability ..
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结果表明：岩石压入硬度与声发射信号的积分rms有最好的相关关系。
It is indicated that there is the best correlation between rock indentation hardness and integrated RMS of AE events.
有可能利用积分rms这一参数来估价岩石压入硬度，并进一步预报岩石可钻性。
It is possible to use the parameter integrated RMS to assess rock indentation hardness and further to predict rock drillability.
通过对钻井取心岩样压入硬度及模拟剪切的破岩试验，探寻利用岩石的声发射频率来判别井下岩石类型的可能性。
Through compaction hardness and analog shear rock failure test to drilling core, the paper discusses the possibility of discriminating downhole rock type by using rock acoustic emission frequency.
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