Fifthly, the discipline of micro-structure characteristic parameters change by the load has been received through compression test and triaxial CU test.

第五、通过单向压缩试验和三轴cu试验，得出了吹填土微结构特征参数随荷载变化的规律。

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The working principle of the developed micro-tribological test apparatus was described and the detailed experiments were done with the apparatus for the surface friction of Cu and al.

详细介绍了测试仪的工作原理，并利用该仪器对铝和铜的表面进行了测试。

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Cracking resistance of ultra-low cabon Cu-bearing age-hardening steels was studied in this paper by computing, maximum hardness in weld heat-affected zone test and Y-groove cracking test.

采用理论计算、热影响区最高硬度试验和小铁研试验方法研究了超低碳含铜时效钢的抗裂性。

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