نتایج جستجو برای: corrosion cast

تعداد نتایج: 55957  

Journal: :Wear 2021

Chromium cast irons (CCI) comprise versatile materials that encompass a range of compositions and microstructures often chosen to promote good wear resistance. There are, however, issues arise when the iron is required operate in conditions where corrosion, as well as, factor. This scenario usually results adapting composition CCI order achieve higher chromium content metallic matrix and, there...

2016
Manuel Alberto Bortagaray Claudio Arturo Antonio Ibañez Maria Constanza Ibañez Juan Carlos Ibañez

OBJECTIVE To determine whether the Noble Bond® Argen® alloy was electrochemically suitable for the manufacturing of prosthetic superstructures over commercially pure titanium (c.p. Ti) implants. Also, the electrolytic corrosion effects over three types of materials used on prosthetic suprastructures that were coupled with titanium implants were analysed: Noble Bond® (Argen® ), Argelite 76sf +® ...

ژورنال: مجله دندانپزشکی 2005
استاد, سید ناصر, میرفضائلیان, علی , کندی بیدگلی, معصومه ,

Statement of Problem: One of newly presented base metal alloys (Minalux) is produced according to VeraBond2 alloy (Ni- Cr base) composition. Several studies showed that, cytotoxicity of base metal alloys can be occurred due to corrosion and element release. Purpose: This study evaluated the biocompatibility of these two base metal alloys in three steps: as cast, after polishing and after porcel...

Journal: :Water science and technology : a journal of the International Association on Water Pollution Research 2005
J Taylor J Dietz A Randall S Hong

A large-scale pilot distribution study was conducted to investigate the impacts of blending different source waters on distribution water qualities, with an emphasis on metal release (i.e. corrosion). The principal source waters investigated were conventionally treated ground water (G1), surface water processed by enhanced treatment (S1), and desalted seawater by reverse osmosis membranes (RO)....

2014
Anke Hoffmann Michael H. Stoffel Björn Nitzsche Donald Lobsien Johannes Seeger Holm Schneider Johannes Boltze

Cerebrovascular diseases are significant causes of death and disability in humans. Improvements in diagnostic and therapeutic approaches strongly rely on adequate gyrencephalic, large animal models being demanded for translational research. Ovine stroke models may represent a promising approach but are currently limited by insufficient knowledge regarding the venous system of the cerebral angio...

Journal: :Coatings 2022

Submersible drainage sump pumps work in a highly corrosive environment, forming films with reaction products on the surface. Pump rotors are high-demand parts, so they made of quality materials good wear and corrosion resistance properties such as nodular graphite cast iron. This paper analyses behaviour iron used manufacture three types wastewaters, variable pH. Nodular samples were immersed w...

2009
Ernst Kloosterman

Breivoll Inspection Technologies (BIT) has successfully developed and implemented a new in-pipe inspection method for the condition assessment of metallic water mains, mainly cast iron. The method is based on Acoustic Resonance Technology (ART). The inspection data (acoustic signals) are stored on a hard drive prior to undertaking the detailed analysis back at the office. The assessment results...

2015
Gyan Prakash Mishra Mirza R.U. Beg Shobha Bhatnagar Brijendra Singh

Address for Correspondence: Dr. Gyan Prakash Mishra, 317, Shiv Vihar Colony, Near Divyata Palace, Sector-I, Jankipuram, Lucknow, U.P, 226021, India. E-Mail: [email protected] Aim: To assess the arterial pattern of middle segmental artery and its relation with collecting system in the human kidneys. Materials and Methods: We studied 50 fresh human Kidneys by corrosion cast technique...

Journal: :Journal of applied physiology 2000
C Operschall L Falivene J P Clozel S Roux

Chronic cardiac ischemia has mainly been studied in large species such as pigs or dogs. Little research has been performed using small species such as rabbits. In the present study, 1-3 wk after implantation of a novel device (ameroid) on the circumflex coronary artery of New Zealand White rabbits, vessel patency was evaluated by coronary angiography, corrosion cast, and radiolabeled microspher...

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