نتایج جستجو برای: 17 7 ph stainless steel

تعداد نتایج: 1076520  

2008
Melba Padua ORTEGA Tomoaki HAGIWARA Hisahiko WATANABE Takaharu SAKIYAMA

In the food industry, microbial adhesion to equipment surfaces and subsequent development of biofilm are very serious issues because of potential to cause cross-contamination, which leads to lowered shelf-life, food spoilage, and transmission of disease [1-4]. Adhesion and subsequent growth on surfaces is a common strategy of bacteria for survival in both natural habitats and man-made environme...

Journal: :The Journal of hospital infection 2002
K R Bright C P Gerba P A Rusin

This study demonstrates the anti-Staphylococcus aureus properties of stainless steel surfaces coated with zeolite containing 2.5% silver and 14% zinc ions. Stainless steel panels with and without the heavy-metal-containing coatings were inoculated with S. aureus and incubated at room temperature. Survival of S. aureus was significantly reduced by the silver/zinc coatings within 1 h. Many hospit...

2013
Harraa S. Mohammed-Salih

Background: Thermocycling simulates the temperature dynamics in the oral environment. This in vitro study done to measure and compare the effect of thermocycling on the shear bond strength of stainless steel and sapphire brackets bonded to human enamel teeth using light cured orthodontic adhesive and debonded at various time, and to measure adhesive remnant index after debonding. Materials and ...

2017
Ki-Tae Kim Jung-Hee Lee Young-Sik Kim

Stainless steels have good corrosion resistance in many environments but welding or aging can decrease their resistance. This work focused on the effect of aging time and ultrasonic nano-crystal surface modification on the passivation behavior of 316L stainless steel. In the case of slightly sensitized 316L stainless steel, increasing the aging time drastically decreased the pitting potential, ...

Journal: :nanomedicine journal 0
peyman mahmoudi hashemi biomaterial group, faculty of new sciences and technologies, semnan university, semnan, iranسازمان اصلی تایید شده: دانشگاه سمنان (semnan university) ehsan borhani nano-materials group, faculty of new sciences and technologies, semnan university, semnan, iranسازمان اصلی تایید شده: دانشگاه سمنان (semnan university) mohammad sadegh nourbakhsh faculty of metallurgical and materials engineering, semnan university, semnan, iranسازمان اصلی تایید شده: دانشگاه سمنان (semnan university)

over the last two decades, many researchers have developed a variety of stainless steel-based medical implant types,taking full advantage of nanostructuring technologies. in this paper the application, fabrication and development of nanostructured stainless steel based materials with new composition for medical implants will be discussed. it is well established that application of severe plasti...

2012
Joseph Fernandez

Stainless steel reinforcing has an elevated chloride threshold and is an attractive alternative for prestressed concrete applications. However, due to the high strength requirements for prestressing strands, concern exists about the possibility of stress corrosion cracking (SCC). This investigation screened for potential SCC development three candidate high strength alloys for use as prestresse...

Journal: :Metals 2022

Laser powder bed fusion (L-PBF)-processed 17-4 PH stainless steel (SS) generally exhibits a non-equilibrium microstructure consisting mostly of columnar δ-ferrite grains and substantial fraction retained austenite martensite, contrary to SS wrought with fully martensite structure coarse grains. Despite the different microstructures L-PBF SS, post-processing is typically performed using conventi...

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