twisted pair

The constant-displacement-relax method of double torsion specimens was applied to(study) subcritical crack growth of flabby and intricate ore in Jinchuan mine.

采用双扭试件常位移松弛法,对金川软弱复杂矿岩进行亚临界裂纹扩展试验研究。

In this paper, the effects of water environment and cyclic loading on the KI-V characteristics were studied by the crack growth tests using double torsion (DT) method under static and cyclic loading in both environments of air and water for the bio-ceramics of glass ceramics, mica glass ceramics, alumina and zirconia.

采用破坏力学中的双扭矩实验法,研究了玻璃陶瓷、云母陶瓷、氧化铝陶瓷、氧化铝陶瓷材料分别在大气、水环境中的静负荷和循环负荷下的裂纹扩展特性,阐明了水环境和循环负荷对材料裂纹扩展特性（K1-V特性）的影响。