نتایج جستجو برای: austenitic stainless steel

تعداد نتایج: 83921  

2015
K. RAJA P. MARIMUTHU

Stainless steel (SS) is used for many commercial and industrial applications owing to its high resistance to corrosion. It is too hard to machine due to its high strength and high work hardening property. A surface property such as surface roughness (SR) is critical to the function-ability of machined components. SS is generally regarded as more difficult to machine material and poor SR is obta...

2009
J D LORD

Residual stresses impact on a wide variety of industrial sectors including the automotive, power generation, industrial plant, construction, aerospace, railway and transport industries, and a range of materials manufacturers and processing companies. The X-ray diffraction (XRD) technique is one of the most popular methods for measuring residual stress [1], used routinely in quality control and ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده مهندسی مواد 1387

در این تحقیق، تولید فولاد زنگ نزن نانوساختار 301 با استفاده از عملیات ترمومکانیکی نورد سرد سنگین و آنیل مورد مطالعه قرار گرفت. در این فولاد، آستنیت با انجام نورد سرد به مارتنزیت (strain-induced martensite) تبدیل می شود. با بازگشت مارتنزیت تغییر شکل یافته به آستنیت طی فرایند آنیل و با انتخاب دما و زمان مناسب می توان فولادی با اندازه دانه بسیار ریز تولید کرد. به همین منظور پارامتر های آنیل فولاد ...

Stainless steel cladding is the formation of an alloy by creating a thin layer of stainless steel on another metal. In this research, a layer of SA240-TP316 austenitic stainless steel was coated on SA516-GR60 steel. Experiments were conducted to compare the mechanical properties of SA240-TP316 and claded SA516-GR60 steel welds in order to investigate the possibility of replacing the SA240-TP316...

خسروانی نژاد, امیرحسین, رضائیان , احمد , شمعانیان, مرتضی, عطاپور, مسعود,

This paper reports on the mechanical properties of the dissimilar joints between AISI 316 austenitic stainless steel and St 37 low carbon steel achieved using friction stir welding technique. The welding was carried out by means of rotational speed of 800 rpm and linear speeds of 50,100,150 mm/min. EDS and XRD techniques were employed in order to determine possible phase transformations. Tensil...

Journal: :NeuroImage 2012
Andreas Bungert Christopher D. Chambers Mark Phillips C. John Evans

A significant problem in the concurrent application of transcranial magnetic stimulation (TMS) and functional magnetic resonance imaging (fMRI) is the image artefact caused by the effect of the TMS-coil on the homogeneity of the static magnetic field (B0). The resulting field inhomogeneity can lead to spatial distortions and local signal loss in echo-planar (EP) images. Here we demonstrate that...

2012
Dušan Petković Goran Radenković Milorad Mitković D. PETKOVIĆ G. RADENKOVIĆ M. MITKOVIĆ

Plates of austenitic stainless steel are often used in orthopedic surgery for fixing ends of the broken bones and for repairing fractures. The paper analyzes a premature breakage of six plates for fixing broken bones with different patients during their recovery. Each plate's breakage can induce serious aftermaths such as a new surgery, unexpected undesired complications and a prolonged healing...

2014
D. MANDRINO

A brief review of the high spatial resolution Auger electron spectroscopy (HRAES) and its usage in metallurgy is presented. A combination of HRAES and X-ray photoelectron spectroscopy makes a powerful combination to resolve a large number of problems encountered in metallurgy. Several selected examples of such problems studied in the authors’ laboratory are presented: influence of surface activ...

2010
I. Fernández M. Trueba C. A. Núñez J. Rieumont

The electrochemical polymerization of pyrrole (Py) in aqueous KNO3 solutions using Austenitic stainless steel electrodes by galvanostatic, potentiostatic and potentiodynamic methods was studied. Chronoamperometric experiments show different behavior of the current with time. Correspondingly, I-tx plots were made giving better fitting for x =3/2 suggesting a progressive nucleation with three-dim...

Journal: :Bulletin of Materials Science 1996

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