نتایج جستجو برای: milling of stainless steel

تعداد نتایج: 21172805  

2011
M. Benachour N. Benachour

Stainless steel has been employed in many engineering applications ranging from pharmaceutical equipment to piping in the nuclear reactors and storage to chemical products. In this attempt, simulation of fatigue crack growth based on experimental results of austenitic stainless steel 304L was presented using AFGROW code when NASGRO mode laws adopted. Double through crack at hole specimen is use...

Journal: :iranian endodontic journal 0
nahid mohammadzade akhlaghi department of endodontic, dental school of islamic azad university and iranian center for endodontic research, tehran, iran nasrin roghanizad department of endodontic, dental school of islamic azad university and iranian center for endodontic research, tehran, iran zohreh khalilak department of endodontic, dental school of islamic azad university and iranian center for endodontic research, tehran, iran neda rezaie general practitioner, tehran, iran

introduction: the purpose of this study was to compare first accessory gutta-percha penetration after the use of nickel-titanium (ni-ti) or stainless-steel spreaders in curved resin blocks. materials and methods: forty resin blocks with 30º and 45º curvatures (20 blocks for each) were prepared and #30 master cones were placed in canals. in part one, under 20 newton pressure, ni-ti or stainless-...

2011
M. Benachour N. Benachour

Stainless steel has been employed in many engineering applications ranging from pharmaceutical equipment to piping in the nuclear reactors and storage to chemical products. In this attempt, simulation of fatigue crack growth based on experimental results of austenitic stainless steel 304L was presented using AFGROW code when NASGRO mode laws adopted. Double through crack at hole specimen is use...

2013
Ismael Cordero

driver (Figure 1), is made from stainless steel and is used to hold a suturing needle during surgical procedures. To maintain a firm grip on the needle, the jaws have textured patterns either etched directly on the stainless steel or on a replaceable tungsten carbide insert, which grips the suture needle more precisely and wears out much slower than stainless steel. Needle holders with tungsten...

Motahari, Poria, Nekoofar, Mohammad hossein, Sharifian, Mohammad reza, Tavakoli, Azadeh,

A comparison of transportation and time of canal preparation with stainless steel hand instruments and Ni-Ti rotary systems (In – Vitro) Dr. MR. Sharifian* - Dr. MH. Nekoofar* - Dr. P. Motahari** - Dr. A. Tavakoli*** *-Assistant Professor of Endodontics Dept. – Faculty of Dentistry – Tehran University of Medical Sciences. **- Assistant Professor of Oral and Maxillofacial Pathology Dept. – Facul...

In this paper, an innovated method is used for cooling Milling zone of Stainless Steel via Adaptive Neuro-Fuzzy Inference System (ANFIS) using non-touch laser thermometer for non-touch measuring of the temperature. This method is economically appropriate because of its optimization in using coolant. In comparison to the ways which were designed to optimize the ratio of coolant, this method is t...

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...

2012
K. A. Mohammad Aidy Ali B. B. Sahari

The aim of this work is to determine the fatigue life of 316L stainless steel. The mechanisms of fatigue of 316L stainless steels were investigated and discussed. The fatigue tests were carried out at constant-amplitude cyclic loading with load ratio R=0.1. Scanning Electron Microscope (SEM) is then used to examine the fracture surface. The results show that the fatigue limit of 316L stainless ...

2002
A. M. Hassanein T. J. McCarville

The evaporation of inertial confinement fusion first wall materials from unattenuated pellet X-rays and from radiation emitted by a cavit.y buffer qas is examined. The low vapor pressure and low X-ray attenuation coefficient of carbon give it a lower erosion rate than stainless steel, despite the larger thermal conductivity of Type 316 stainless steel. For the argon buffer gas containing 0.2% N...

2015
Chun-Li Song Qian Li Yun-Peng Yu Guan Wang Jin-Peng Wang Yang Lu Ji-Chang Zhang Hong-Ying Diao Jian-Gen Liu Yi-Hang Liu Jia Liu Ying Li Dan Cai Bin Liu

INTRODUCTION Intravascular coronary stenting has been used in the treatment of coronary artery disease (CAD), with a major limitation of in-stent restenosis (ISR). The 316 stainless steel has been widely used for coronary stents. In this study, we developed a novel coating method to reduce ISR by simultaneously coating vascular endothelial growth factor (VEGF) and anti-CD34 antibody on 316L sta...

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