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Oana Roxana Chivu

2 linked publication records

Author: Oana Roxana ChivuYear: 2018clear all
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SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Energy and Clean Technologies
Publication

ECOLOGICAL IMPACT ON WELDING REHABILITATION OF CASTINGS

(STEF92 Technology, 2018-06-20, Oana Roxana Chivu)

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As it is well known, casting is a semi-fabrication process with a wide spread in many industrial sectors, especially in the automotive industry. In some cases, castings either have to be rehabilitated before obtaining the finished part, or in some cases some finite parts that are more stressed, after a certain number of hours of operation in a subassembly, will present an advanced wear condition, which will make the further operation of the respectively assembly impossible, this requiring the reconditioning again....

Air Pollution and Climate Change2018
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Energy and Clean Technologies
Publication

ENVIRONMENTAL POLLUTION IN THE CASE OF METAL ALLOY CASTING

(STEF92 Technology, 2018-06-20, Oana Roxana Chivu)

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Along with welding, the casting of metal alloys is a primary production process, with great spread in the industry, especially in the machine building industry. By casting, a series of semi-fabricated products are obtained, from which, subsequently, by metal grinding processes finite parts are obtained such as straight and cranked shafts, belt wheels, gears, various casings, motor blocks for internal combustion engines and others. There are many casting processes used on an industrial scale such as: casting in tem...

Air Pollution and Climate Change2018
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