نتایج جستجو برای: corrosion cast

تعداد نتایج: 55957  

Journal: :Water research 2012
Haibo Wang Chun Hu Xuexiang Hu Min Yang Jiuhui Qu

The effects of disinfection and biofilm on the corrosion of cast iron pipe in a model reclaimed water distribution system were studied using annular reactors (ARs). The corrosion scales formed under different conditions were characterized by X-ray diffraction (XRD), energy dispersive spectroscopy (EDS), and scanning electron microscopy (SEM), while the bacterial characteristics of biofilm on th...

2003
Balvant Rajani Yehuda Kleiner B. Rajani

Ductile iron replaced grey cast iron as pipe material in the early 1970s. It has been estimated that almost half of all new water mains in North America are ductile iron. The main cause of the structural deterioration of all metallic mains is external corrosion, which is induced by environmental and operational conditions. Internal corrosion, on the other hand, can cause significant functional ...

2015

The presented paper studies the effect of the casting technology on the corrosion resistance of Co-Cr-Mo alloy. The investigations were conducted on a commercial alloy with the brand name ARGELOY N.P SPECIAL (Co-Cr-Mo) produced by Argen as well as the same alloy melted and cast by the lost wax casting method performed by a dental technician. The corrosion behavior of the dental alloys in an art...

Journal: :Cryobiology 1991
P S Daum W D Bowers J Tejada D Morehouse M P Hamlet

This study utilized microvascular corrosion casting techniques to evaluate changes in the microvascular patency of rat hindpaws cooled to four different subzero temperatures. Left hindpaws of anesthetized rats in group 1 were cooled to -5 degrees C, in group 2 to -15 degrees C, in group 3 to heat of fusion (HOF), and in group 4 to HOF and then to -15 degrees C. Although freezing did not take pl...

Journal: :Thorax 1954
D H TOMPSETT

A corrosion cast of the bronchial arteries provides a useful method of demonstrating their origin and distribution. A cast of the bronchial tree is made at the same time to show the position of the arteries. The cast produced by the method described here is limited to the principal branches of these arteries, the finer terminal twigs being lost. However, as these terminal twigs follow closely t...

2009
Chandra Sekhar Rao P V Chandra Sekhar

Hypereutectic aluminum silicon alloys are mainly used in cast form in important components like pistons, cylinder liners, rocker arms, air conditioner compressors, brake drums, engine blocks, etc. These have inherent advantages of being high wear resistance, high strength to weight ratio, high corrosion resistance, good cast performance, high thermal conductivity, good weldability, etc. The inf...

Davood Rahmatabadi Enayatolah Mohemi Hesam Moghadasi Moslem Tayebi Ramin Hashemi,

In this paper, the reasons of damage water pumps parts of the air compressor cooling system were studied. To reach this goal, the works like preparing metallographic samples, evaluation of structure, investigation of mechanical properties, the alloy parts detection and chemical analysis of deposit and corrosion products collected from the parts were performed. According to studies and results o...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهرکرد - دانشکده دامپزشکی 1386

چکیده ندارد.

Journal: :Brazilian dental journal 2001
M C Kronka I S Watanabe M C da Silva

The angioarchitecture of young rabbits' palatine gingiva was studied by using the corrosion resin cast method. The vascular corrosion casts were obtained using low viscosity resin (Mercox CL-2B) and were observed with scanning electron microscopy (SEM). The palatine gingiva had areas with various arrangements. The capillaries of the palatine gingiva and interdental papillae had numerous project...

Journal: :Journal - American Water Works Association 1957

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