نتایج جستجو برای: stainless steel 316

تعداد نتایج: 88275  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1390

در این تحقیق، به تولید و بررسی میکروساختاری و همچنین خواص مقاومت به سایشی و خوردگی نانوکامپوزیت stainless steel/30%tic پرداخته شده است. این نانوکامپوزیت ها توسط آسیا سیاره ای و تحت گاز آرگون خالص در زمان های متفاوت از فرایند آسیا کاری به دست آمده است. بررسی اندازه کریستال ها، فازهای تشکیل شده و بررسی میکروساختار این کامپوزیت ها بترتیب توسط تفرق اشعه ایکس و میکروسکوپ الکترونی روبشی انجام شده است...

2015
Hong Luo Huaizhi Su Chaofang Dong Kui Xiao Xiaogang Li

The applications of stainless steel are one of the most reliable solutions in concrete structures to reduce chloride-induced corrosion problems and increase the structures service life, however, due to high prices of nickel, especially in many civil engineering projects, the austenitic stainless steel is replaced by the ferritic stainless steels. Compared with austenite stainless steel, the fer...

2012
Neelima Mahato

The structure and properties of the passive film formed on the surface of AISI 316 stainless steel in aqueous ethanoic acid have been investigated using EIS. Experiments were carried out at 30 oC in different concentrations of ethanoic acid. Effects on the film properties due to the change of electrode potential, exposure durations and addition of chloride ions to the electrolyte were also stud...

1999
J. D. Shipp Angela L. Woods M. Saglam K. Unlu B. W. Wehring

The storage of Weapons Grade Plutonium (WGPu) pits has prompted this study of the effects of alpha irradiation on stainless steel. Energetic alpha particles emitted from the decay of plutonium isotopes continually introduce helium into the metal cladding that surrounds the pits. The continuous introduction of helium into a metal leads to the degradation of its mechanical properties. The integri...

Journal: :American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics 2003
Vittorio Cacciafesta Maria Francesca Sfondrini Andrea Scribante Catherine Klersy Ferdinando Auricchio

The purpose of the study was to measure and compare the level of frictional resistance generated between conventional ceramic brackets (Transcend Series 6000, 3M Unitek, Monrovia, Calif), ceramic brackets with stainless steel slot (Clarity, 3M Unitek), conventional stainless steel brackets (Victory Series, 3M Unitek), and 3 different orthodontic wire alloys: stainless steel (stainless steel, SD...

Journal: :Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance 2002
Andrea Holton Edward Walsh Andreas Anayiotos Gerald Pohost Ramakrishna Venugopalan

The initial success of coronary stenting is leading to a proliferation in peripheral stenting. A significant portion of the stents used in a clinical setting are made of 316 low carbon stainless steel (SS). Other alloys that have been used for stent manufacture include tantalum, MP35N, and nickel-titanium (NiTi). The ferromagnetic properties of SS cause the production of artifacts in magnetic r...

2016
L. Gardner

The initial material cost of structural stainless steel is about four times that of structural carbon steel, due largely to the expense of the alloying elements and the relatively low volume of production. Given broadly similar structural performance, additional areas of benefit need to be identified and exploited in order to establish stainless steel as a viable alternative material for constr...

Journal: :Physical chemistry chemical physics : PCCP 2017
X W Zhou R Dingreville R A Karnesky

Experiments indicated that tritium permeation in 316 austenitic stainless steel is enhanced by a factor of ∼2-5 after irradiation as compared to the ex-reactor results. To understand this enhancement, we have performed extensive molecular dynamics simulations to study the effects of both the grain boundary structure (Σ3{111}, Σ5{100} and Σ11{311}) and the nature of point defects (vacancy, inter...

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