Results 51 to 60 of about 178,220 (207)

Edge crack growth of mortar plate specimens under uniaxial loading tests

Journal of Rock Mechanics and Geotechnical Engineering, 2019
In this paper, a compression-to-tension conversion technique is developed by applying predominant mode I loading test, using a servo-controlled compression system. The technique is applied to thin mortar plate specimens of different widths that include a
Zhenghong Huang, Shouchun Deng, Haibo Li, Hong Zuo   +3 more
doaj   +1 more source

Fatigue crack growth in thin notched woven glass composites under tensile loading. Part I: experimental [PDF]

, 2011
Helicopter blades are made of composite materials mainly loaded in fatigue and have normally relatively thin skins. A through-the-thickness crack could appear in these skins.
Barrau, Jean-Jacques, Bizeul, Matthieu, Bouvet, Christophe, Cuenca, Rémy   +3 more
core   +3 more sources

Analysis on the Root Crack Propagation Path and Its Influencing Factor of Spur Gear

Jixie chuandong, 2021
Under the action of alternating load，the gear is easy to generate fatigue crack fault in the tooth root，and the crack propagation will not only affect the transmission accuracy，but even cause serious safety accident and economic loss.
Qikun Liu, Shengli Wu, Zhi Li, Xiaochun Jian   +3 more
doaj  

Influences of crystal orientations and grain boundary on crack propagation behaviour at room temperature in a polycrystalline Ni-base superalloy

Nihon Kikai Gakkai ronbunshu, 2018
Fatigue crack propagation in a polycrystalline Ni-base superalloy was experimentally investigated at room temperature. Fatigue crack propagation tests were conducted under a constant ΔK condition to clarify the effect of grains crystal orientation, grain
Mana HIGAKI, Motoki SAKAGUCHI, Masafumi MATSUNAMI, Hideaki KANEKO, Takanori KARATO, Kenta SUZUKI, Hirotsugu INOUE   +6 more
doaj   +1 more source

Crack Propagation in Axial-Flow Fan Blades Under Complex Loading Conditions: A FRANC3D and ABAQUS Co-Simulation Approach

Applied Sciences
Since fan blades are exposed to fatigue, and in some cases harsh loading conditions, they may exhibit fracture failures due to crack propagation, resulting in significant losses.
Mariem Ben Hassen, Slim Ben-Elechi, Hatem Mrad   +2 more
doaj   +1 more source

Branching mechanism of intergranular crack propagation in three dimensions

, 2005
We investigate the process of slow intergranular crack propagation by the finite element method model, and show that branching is induced by partial arresting of crack front owing to the geometrical randomness of grain boundaries. A possible scenario for
C. Arakawa, D. Stoyan, H. Kaburaki, L. D. Landau, M. Itakura   +4 more
core   +1 more source

A Note on the Energy Release Rate in Quasi-Static Elastic Crack Propagation [PDF]

, 1981
This paper considers analytical issues associated with the notion of the energy release rate in quasi-static elastic crack ...
Knowles, James K.
core   +1 more source

Study on crack propagation of 42CrMo

Metalurgija, 2019
For the fatigue failure of 42CrMo, the tensile test was performed on the CT specimen at different load ratios using a fatigue tensile tester. Data on the fatigue crack growth rate of the material and the crack tip factor were obtained.
W. C. Pei, J. W. Dong, H. C. Ji, H. Y. Long, S. F. Yang   +4 more
doaj  

Study on the short fatigue crack initiation and propagation behavior of 42CrMo

Advances in Mechanical Engineering, 2022
A micro-tensile fatigue test of 42CrMo alloy steel was carried out. The result shows that the crack initiation and propagation of the material could be characterized with randomness and localization.
Nan Xu, Zhiwei Fu, Yuan Wang, Xuehui Shen   +3 more
doaj   +1 more source

Effects of surface oxide layer on fatigue crack propagation properties of submicrometer-thick copper films

Nihon Kikai Gakkai ronbunshu
Fatigue failure involves fatigue crack initiation and propagation processes. In bulk metals, the fatigue crack initiation process is strongly affected by a dissimilar surface layer, while the fatigue crack propagation process is less affected.
Toshiyuki KONDO, Tomoaki MORIKUNI, Koki DATE, Kohji MINOSHIMA   +3 more
doaj   +1 more source