at the same time, we studied that the different parameters how to affect the crack extending and wellbore stability. thus this paper offered the scientific foundation for correct under…
同时研究了不同参数对裂缝扩张和井壁稳定的影响,为正确认识裂缝井眼的稳定性提供了科学依据。
the aim of this study is to clear that whether the fracture and crack extending of brittle materials are influenced by the stress parallel to the crack surface.
本文的研究目的即是要搞清玻璃材料在双向应力下的断裂和裂纹扩展究竟受不受平行于裂纹的应力影响?。
the relation of law of the fatigue crack extending and feature of macro-profile is discovered, which provides a new method for the life estimation of the brake disc.
发现裂纹剖面宏观形貌特征与制动盘疲劳裂纹扩展规律之间存在一定的关联,为制动盘寿命评估提供了新的思路。