نتایج جستجو برای: slow strain rate test

تعداد نتایج: 1944117  

Journal: :international journal of advanced design and manufacturing technology 0
hamid nazemi ph.d student, department of materials science and engineering, shahid bahonar university of kerman, iran maryam ehteshamzadeh professor, department of materials science and engineering, shahid bahonar university of kerman, iran

in this paper, the hydrogen embrittlement of the high strength cr-si spring steel with after zn-12%ni electroplating, have been evaluated. slow strain rate test with 3.34 × 10 -6 sec -1 strain rate was performed, and the hydrogen embrittlement index of the different samples was calculated. the effect of shot peening before plating and the baking after plating and also the effect of applying a n...

Journal: :international journal of iron & steel society of iran 2012
a. khosravifard m. m. moshksar r. ebrahimi

advanced high strength steels (ahss) have recently attracted great attention because of their superior mechanical properties. a modern group of these steels, known as twinning induced plasticity (twip) steels, shows a unique combination of strength and ductility even at high rates of strain. in order to examine the functionality of such steels in dynamic loading conditions, their mechanical beh...

Journal: :Journal of the Atomic Energy Society of Japan / Atomic Energy Society of Japan 1992

Journal: :archives of cardiovascular imaging 0
anita sadeghpour echocardiography research center, rajaie cardiovascular medical and research center, tehran, ir iran; md, fase, facc, department of cardiovascular medicine, echocardiography research center, rajaie cardiovascular medical and research center, iran university of medical sciences,tehran, ir iran. tel: +98-2123922145, fax: +98-2122042026

Journal: :archives of cardiovascular imaging 0
fariba bayat cardiovascular research center, shahid beheshti university of medical sciences, tehran, ir iran; cardiovascular research center, shahid beheshti university of medical sciences, tehran, ir iran mehdi nazmdeh cardiovascular research center, shahid beheshti university of medical sciences, tehran, ir iran morteza safi cardiovascular research center, shahid beheshti university of medical sciences, tehran, ir iran amirsaeed karimi islamic azad university, medical branch, tehran, ir iran latif gachkar infectious diseases and tropical medicine research center ,shahid beheshti university of medical sciences, tehran, ir iran

conclusions pci was accompanied by some improvement in left atrial deformation indices as assessed by tissue doppler imaging. revascularization can, therefore, improve patient outcome. results regarding changes in left trial functional parameters after pci, those such as the strain of the septal wall and the anterior and inferior walls and the strain rate of the anterior and lateral walls signi...

2013
P. VÁŇOVÁ

P. Vaňová, J. Sojka. VŠB Technical u niversity of O strava, FMME, Ostrava, Czech Republic This paper is dealing with hydrogen embrittlement of austenitic-ferritic 2205 duplex steel using the slow strain rate test (SSRT). The original material was subjec ted to heat treatment under 700 °C during 5 hours and f ollowing aircooling with the aim of pr ovoking sigma phase pr ecipitation and embrittle...

2009
Damir Hodžić

Slow strain rate test (SSRT) represent a dynamic slowly increasing strain imposed by an external means on uniaxial tension specimen according to ASTM G 129 standard. It is used for relatively rapid screening or comparative evaluation of environmental, processing or metallurgical variables that can affect resistance of material. Testing has been accomplished on low-alloyed boiler steel 14MoV6-3 ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1381

‏‎the hypothesis is that recent and frequent exposure to lexical items leads to a more fluent production of speech in terms of rate of speech. to test the hypothesis , a one- way anova experimental design was carried out. 24 senior student of efl participated in a one-way interview test. data analyses revealed that those who were exposed frequently to the lexical items over a week prior to inte...

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