scholarly journals Reduction of Stress Concentration at Edge of Stop Hole by Closing Crack Surface

2013 ◽  
Vol 62 (1) ◽  
pp. 33-38 ◽  
Author(s):  
Toshiyuki ISHIKAWA ◽  
Risa MATSUMOTO ◽  
Atsushi HATTORI ◽  
Hirotaka KAWANO ◽  
Kentaro YAMADA
Keyword(s):  
Stress Concentration ◽  
Crack Surface ◽  
Closing Crack

Retarding effects on crack propagation by closing crack surface using ICR treatment

2018 ◽  
Vol 143 ◽  
pp. 11-17 ◽  
Author(s):  
YuanZhou Zhiyuan ◽  
Ji Bohai ◽  
Fu Zhongqiu ◽  
Sun Tong
Keyword(s):  
Crack Propagation ◽  
Crack Surface ◽  
Closing Crack

scholarly journals EXTENDING FATIGUE DURABILITY BY CLOSING CRACK SURFACE

2009 ◽  
Vol 65 (4) ◽  
pp. 961-965 ◽  
Author(s):  
Kentaro YAMADA ◽  
Toshiyuki ISHIKAWA ◽  
Takumi KAKIICHI
Keyword(s):  
Crack Surface ◽  
Fatigue Durability ◽  
Closing Crack

Fatigue crack retrofitting by closing crack surface

2019 ◽  
Vol 119 ◽  
pp. 229-237 ◽  
Author(s):  
Zhiyuan YuanZhou ◽  
Bohai Ji ◽  
Zhongqiu Fu ◽  
Shigenobu Kainuma ◽  
Shigeaki Tsukamoto
Keyword(s):  
Fatigue Crack ◽  
Crack Surface ◽  
Closing Crack

The Propagation of a Crack by a Rigid Wedge in an Infinite Power Law Viscoelastic Body

1979 ◽  
Vol 46 (3) ◽  
pp. 605-610 ◽  
Author(s):  
J. R. Walton ◽  
A. Nachman
Keyword(s):  
Stress Intensity Factor ◽  
Power Law ◽  
Simple Formula ◽  
Crack Surface ◽  
Finite Thickness ◽  
Viscoelastic Body ◽  
Crack Tip ◽  
Closed Form Solutions ◽  
Closing Crack ◽  
Infinite Power

Closed-form solutions are obtained for the problem of a crack propagated by a 2-dimensional rigid wedge of finite thickness in an infinite power law viscoelastic body. The distance from the crack tip to the point of contact with the wedge is determined from the assumption that in the vicinity of the crack tip, forces of cohesion act to produce a smoothly closing crack with continuous stresses. Finally, a simple formula expressing the stress-intensity factor as a function of the speed of penetration and the length of the free crack surface is exhibited.

A New Type of Precision Tire

1988 ◽  
Vol 16 (4) ◽  
pp. 200-207
Author(s):  
O. B. Tretyakov
Keyword(s):  
Stress Concentration ◽  
Failure Rates ◽  
Stress Strain ◽  
Radial Tire ◽  
Resonance Effects ◽  
Precision Stage ◽  
New Type ◽  
Degree Of Order

Abstract A process is suggested for improving the rubber-cord composite in a radial tire through precision stage-by-stage molding of its parts. This starts by casting an inner elastomeric envelope of the carcass from a liquid oligomer mix. The full molding technology uses acoustic and resonance effects to optimize the degree of order of the structure and of rubber uniformity. The resultant precision tires should have a higher degree of order of both macro- and microstructure than do present commercial tires. Reduced stress concentration in locations that have high failure rates in commercial tires are considered. A new theory, CSSOT, is used for optimizing tires from results of stress-strain cycles.

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