نتایج جستجو برای: stress intensity factor

تعداد نتایج: 1399509  

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 1983

Failure analysis of fractured components provides some information about the causes and conditions of fracture. Fractography is an indispensable part of the failure analysis as it is usually the only means by which the failure mechanism can be established. By using fractography, some information such as component’s life, values of the stress intensity factor and the applied stress can be calcul...

1999
Murat Durandurdu

Effects of dislocation emission from a mode I crack and of pinning distances on the behavior of the crack and on fracture toughness in aluminum were studied by using the Molecular Statics Technique with atomic interactions described in terms of the Embedded Atom Method. It was found that aluminum is a ductile material in which the cracks generate dislocations, blunting the cracks. The blunting ...

Journal: :international journal of environmental research 0
m. kargar faculty of natural resources, department of environment, university of tehran, karaj, iran n.a. khorasani faculty of natural resources, department of environment, university of tehran, karaj, iran m. karami faculty of natural resources, department of environment, university of tehran, karaj, iran g.h. rafiee faculty of natural resources, department of fisheries, university of tehran, karaj, iran r. naseh national iranian copper industry company (nicico), research and development center, kerman, iran

the contents of as, cd, cu and mo were determined in soil surrounding meyduk tailings dam based on 21 surface soil samples. assessment of toxic element pollution in studied soil samples needs knowledge of pre-anthropogenic metal concentration to act as a reference against which measured values could be compared. estimating the background values was executed by sampling rocks adjacent to soil sa...

Journal: :نشریه علمی - پژوهشی هیدرولوژی کاربردی 0
amin zoratipour ramin university hossein azadi gent university jan nyseen gent university

generally, the evaluation and assessment critical condition of rill formation are useful for a better understanding of soil erosion processes. the inherence characteristics of soils, which have much dynamic variations on the hill-slopes and are affected by rill formation, are the soil critical shear stress and soil erodibility factors. this study aims to assess experimental rill incision thresh...

Journal: :Microelectronics Reliability 2011
Hongxia Liu Shulong Wang Yue Hao

In order to quantitatively characterize the enhancement of hole mobility of strained silicon under different stress intensity conditions, changes of hole effective mass should be studied. In the paper, strained silicon under in-plane biaxially tensile strain based on (0 0 1) substrate and longitudinal uniaxially compressive strain along h1 1 0i are investigated thoroughly. By solving the Hamilt...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 1982

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 1985

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