Results 221 to 230 of about 4,865,957 (308)

A biomechanical comparison of antegrade versus retrograde cannulated screw direction in suture-based tension band fixation of transverse patella fractures. [PDF]

OTA Int
Kaupp SM, Andre LK, Scalisi W, Rutz RW, Massey PA, Solitro GF.   +5 more
europepmc   +1 more source

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On the comparison of two mixed-mode I + III fracture test specimens

Engineering Fracture Mechanics, 2021
Towards measuring the mixed-mode I + III fracture toughness independent of geometry and loading type, two test specimens were numerically and experimentally compared.
M R M Aliha, A Bahmani
exaly   +2 more sources

Effect of freezing temperature and number of freeze–thaw cycles on mode I and mode II fracture toughness of sandstone

Theoretical and Applied Fracture Mechanics, 2020
The freeze–thaw process is one of the natural phenomena significantly affecting the characteristics of rocks and their properties. This study aimed at investigating the effects of freeze–thaw cycles and freezing temperature on mode I and mode II fracture
Mehdi Hosseini
exaly   +2 more sources

Numerical investigation on dynamic fracture behavior of cracked rocks under mixed mode I/II loading

Engineering Fracture Mechanics, 2020
Research on rock fracture behavior is usually limited to static mixed mode I/II fracture and static or dynamic mode I fracture. In this study, the notched semi-circular bend (NSCB) specimens with different notch inclination angles were introduced into ...
Mingdong Wei, Feng Dai, Hongbo Du
exaly   +2 more sources

Investigation on the effect of freeze-thaw on fracture mode classification in marble subjected to multi-level cyclic loads

Theoretical and applied fracture mechanics (Print), 2021
For rock engineering in cold regions, rock is often subjected to coupled fatigue damage caused by freeze-thaw (F-T) and stress disturbance. To investigate the cracking propagation and to quantify the degree of damage and the type of crack classification,
Y. Wang, B. Zhang, S. Gao, Cong Li
semanticscholar   +1 more source

Evaluation of fracture mode classification in flawed red sandstone under uniaxial compression

Theoretical and applied fracture mechanics (Print), 2020
To study the classification of fracture modes of rocks during the cracking process, uniaxial compression tests were conducted on intact and flawed red sandstone specimens.
Y. Niu, Xiaoping Zhou, F. Berto
semanticscholar   +1 more source

Effect of high temperature on mode-I fracture toughness of granite subjected to liquid nitrogen cooling

Engineering Fracture Mechanics, 2021
Liquid nitrogen (LN2) ultra-low temperature fracturing technology has broad application prospects in the storage and transformation of geothermal wells. Therefore, it is of great significance to investigate the fracture toughness of granite samples after
Zhenlong Ge, Qiang Sun, Tian Yang, Tao Luo, H. Jia, Duoxing Yang   +5 more
semanticscholar   +1 more source

Fracture Modes in Human Teeth

Journal of Dental Research, 2009
The structural integrity of teeth under stress is vital to functional longevity. We tested the hypothesis that this integrity is limited by fracture of the enamel. Experiments were conducted on molar teeth, with a metal rod loaded onto individual cusps. Fracture during testing was tracked with a video camera.
J J-W, Lee, J-Y, Kwon, H, Chai, P W, Lucas, V P, Thompson, B R, Lawn   +5 more
openaire   +2 more sources

Mode II fracture tests on asphalt concrete at different temperatures using semi-circular bend specimen loaded by various types of supports

Theoretical and applied fracture mechanics (Print), 2021
In this paper, the influence of support type on mode II fracture experiments of asphalt concrete is investigated. The experiments were performed using three various types of supports i.e.
S. Pirmohammad, M. Abdi, M. Ayatollahi
semanticscholar   +1 more source