نتایج جستجو برای: austenitic

تعداد نتایج: 3826  

Rahimi, N., Saed, T.,

In this study the effect of activating fluxes on the penetration depth, microstructure and microhardness of AISI316L austenitic stainless steel were evaluated by three TIG process variations (TIG, A-TIG and FB-TIG) and the results were compared together.. After selecting the optimal flux in the second stage, the effect of that on the penetration depth, microstructure and weld microhardness of  ...

A. Bahari, B. Tahmasbpour, S. A. Hashemizadeh

The austenitic stainless steel (SS) has been used as a material for  building  ultra  high  vacuum  (UHV)  chamber.  Recently significant  efforts  have  been  concerned  a  comparing  the standard  cleaned  for  ultra  high  vacuum,  passivity  stainless. In  this work Austenitic  nanocomposites were  synthesize by sol-  gel method. The morphologies  and  topographies  of  the samples  h...

A. Zarei-Hanzaki M. Eskandari,

In recent years, TRIP/TWIP steels have been the focus of great attention thanks due to their excellent tensile strength-ductility combination. The compression tests were performed at different temperatures from 25 to1000°C to study the mechanical behavior of advanced austenitic steel with 21% manganese plus bearing Ti. The results indicated that the plastic deformation is controlled by deformat...

2015
Oleksandr Morozov Volodymyr Zhurba Ivan Neklyudov Oleksandr Mats Aleksandr Rud Nikolay Chernyak Viktoria Progolaieva

Deuterium thermal desorption spectra were investigated on the samples of austenitic stainless steel 18Cr10NiTi preimplanted at 100 K with deuterium ions in the dose range from 3 × 10(15) to 5 × 10(18) D/cm(2). The kinetics of structural transformation development in the implantation steel layer was traced from deuterium thermodesorption spectra as a function of implanted deuterium concentration...

Journal: :The Journal of the Acoustical Society of America 2010
G D Connolly M J S Lowe J A G Temple S I Rokhlin

The use of ultrasonic arrays has increased dramatically within recent years due to their ability to perform multiple types of inspection and to produce images of the structure through post-processing of received signals. Phased arrays offer many advantages over conventional transducers in the inspection of materials that are inhomogeneous with spatially varying anisotropic properties. In this p...

2017
Adam J. Brooks Zhongwen Yao

The data presented in this article is related to the research experiment, titled: 'Quasi in-situ energy dispersive X-ray spectroscopy observation of matrix and solute interactions on Y-Ti-O oxide particles in an austenitic stainless steel under 1 MeV Kr2+ high temperature irradiation' (Brooks et al., 2017) [1]. Quasi in-situ analysis during 1 MeV Kr2+ 520 °C irradiation allowed the same microst...

M. A. Golozar,

In this paper, the nucleation and growth of diamond/diamond-like coatings on austenitic (AISI 316) and ferritic (AISI 430) stainless steel substrates have been investigated using torch technique. The effects of substrate surface preparation has also been studied. The quality of coatings produced has been examined using optical and scanning electron microscopy, X-ray diffraction, Raman spectros...

2002
T. Sourmail H. K. D. H. Bhadeshia J. C. MacKay

The creep rupture life and rupture strength of austenitic stainless steels have been expressed as functions of chemical composition, test conditions, stabilisation ratio, and solution treatment temperature . The method involved a neural network analysis of a vast and general database assembled from published data. The outputs of the model have been assessed against known metallurgical trends an...

Journal: :Physical review letters 2006
Gintautas Abrasonis Wolfhard Möller Xin Xin Ma

Interstitial N diffusion under low energy (approximately 700 eV) Ar+ bombardment at 673 K in ion beam nitrided austenitic stainless steel is investigated. Ar+ ion bombardment increases the N mobility in depths far beyond the ion penetration depth, resulting in an increased broadening of the N depth profile as a function of Ar+ flux. This effect cannot be explained by any established mechanism o...

2016
C. Jourdan G. Guénin S. Belkahla J. Gastaldi G. Grange G. Guenin

To visualize the grain boundary role on the shape memory property of Cu-Zn-A1 alloy, we have followed the austenitic structure evolution, of crystals submitted to a training treatment, by synchrotron X-ray topography in white beam. Single crystals, tricrystals and polycrystalline samples have been studied. The comparison of results shows that in polycrystalline samples large, non recoverable st...

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