نتایج جستجو برای: ultra fine grained stainless steel

تعداد نتایج: 256425  

2010
Patrícia Campos Bernardes Nélio José de Andrade Sukarno Olavo Ferreira João Paulo Natalino de Sá Emiliane Andrade Araújo Deyse Maria Zanom Delatorre Lívia Maria Pinheiro Luiz

The interaction between the surface of stainless steel and Bacillus cereus was studied in terms of the characteristics of interfacial interaction determined from the measurement of the contact angle of the surface of B. cereus and stainless steel in the presence or absence of B. cereus adherence. The microtopographies and the roughness of the surface of stainless steel and stainless steel adher...

2010
S. Rajasekhara P. J. Ferreira

A generalized phase transformation kinetics model is used to understand the martensite to austenite transformation in a cold-rolled and annealed metastable AISI 301LN ultrafine-grained austenitic stainless steel. The model shows that the presence of interstitial nitrogen and heavy cold-rolling is important to promote fast transformation kinetics, through rapid nitrogen-diffusion and austenite n...

Journal: :Acta Metallurgica Sinica (english Letters) 2022

An austenitic stainless steel with 6 wt% Si and multiple secondary phases was produced the aim to achieve enhanced plasticity during hot deformation. The microstructure of after fracture characterized via electron back-scattered diffraction, transmission Kikuchi diffraction scanning microscopy. From tail gage necking region, material evolved from low-angle grain boundaries (LAGBs) mixtures LAGB...

2006
P. Kalyanasundaram Baldev Raj T. Jayakumar Indira Gandhi

In this paper, application of ultrasonic techniques for defect detection in weldments of austenitic stainless steel and maraging steel is discussed. Applications of ultrasonic techniques for characterizing microstructural changes in AISI type 316 stainless steel and modified 9Cr-1Mo ferritic steel; thermomechanical processing of 15Cr-15Ni-2.3Mo-titanium modified austenitic stainless steel (allo...

1999
M. Murayama

Introduction The mechanical properties of austenitic stainless steels, including the low cyclic fatigue behavior have been a subject of numerous studies [1-8]. Nitrogen addition, in general, increases the fatigue strength by decreasing the stacking fault energy of austenitic stainless steels [6]. The stacking fault energy has a strong influence on the cross slip difficulty, thus it affects the ...

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