Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Romulus Pascu"'
Publikováno v:
Advanced Materials Research. 1157:168-173
The paper presents studies carried out in order to determine the causes of destruction, by cracking, of a crankshaft from the composition of a tractor used to process soil.Experiments were carried out in two directions, namely a step by step study on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65c31f3e631fc5b52b0944d75db35233
https://doi.org/10.4028/www.scientific.net/amr.1157.168
https://doi.org/10.4028/www.scientific.net/amr.1157.168
Autor:
Anamaria Feier, Natanael Simon, Romulus Pascu, Ramona Monica Buzdugan, Iosif Hulka, Monica Dome, Mircea Laurentiu Dan
Publikováno v:
Advanced Materials Research. 1138:159-164
A Duplex treatment consisting in gas nitriding followed by PAPAVD deposition of TiAlN has been proposed as a solution for improving the corrosion behaviour of EN 42CrMo4 steel. The corrosion resistance in 3.5% NaCl solution was evaluated by linear po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7a476833f6e6884703f583483f53ef42
https://doi.org/10.4028/www.scientific.net/amr.1138.159
https://doi.org/10.4028/www.scientific.net/amr.1138.159
Publikováno v:
Advanced Materials Research. 1111:193-198
The thermal cycles simulator of welding is a complex equipment that reproduces in a specimen thermal cycles of the type caused in the HAZ by welding processes.In this paper, it is presented a comparison between the results obtained by welded joints a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::465cdd48a6a2707eb701720815bdb2eb
https://doi.org/10.4028/www.scientific.net/amr.1111.193
https://doi.org/10.4028/www.scientific.net/amr.1111.193
Publikováno v:
Advanced Materials Research. 1111:91-96
The paper presents a vibroacoustic method to determining the stiffness of coated steel with various materials such as metal oxides, metallic paints, polymers etc and Young's modulus for coating materials. The method consists in measuring the dynamic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::41e97784404f23cda8fda3ebf293019f
https://doi.org/10.4028/www.scientific.net/amr.1111.91
https://doi.org/10.4028/www.scientific.net/amr.1111.91
Autor:
Doru Romulus Pascu, Daniel Tihanov, Ramona Monica Buzdugan, Aurel Valentin Bîrdeanu, Emilia Florina Binchiciu
Publikováno v:
Advanced Materials Research. 1111:246-251
The teeth of specialized excavators used in exploitation of magmatic rocks are made by forging from alloyed steels having 3.4%Mn, and the value of hardness less than 38HRC. The usual working time is about 15,000 hours.This paper estimates the possibi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6008c3181e534a9d2b7b60339f0a9be
https://doi.org/10.4028/www.scientific.net/amr.1111.246
https://doi.org/10.4028/www.scientific.net/amr.1111.246
Publikováno v:
Advanced Materials Research. 1029:67-71
The mechanical tenacity characterizes the materials behaviour to static and dynamic shocks, at the ambient and the negative temperatures. In the case of deposited metals by welding, the tenacity characterization is made by determining the impact ener
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09888f02d4d9cf03b42c2c44949f8e8a
https://doi.org/10.4028/www.scientific.net/amr.1029.67
https://doi.org/10.4028/www.scientific.net/amr.1029.67
Publikováno v:
Advanced Materials Research. 1029:188-193
In most of the engineering applications, such as mining, agriculture, metallurgy, the equipments fail due to abrasive wear. Hardfacing is one of the most economical and most widely used methods of improving surface characteristics of engineering equi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54896d16f435b49aa6b607e044030848
https://doi.org/10.4028/www.scientific.net/amr.1029.188
https://doi.org/10.4028/www.scientific.net/amr.1029.188
Publikováno v:
Advanced Materials Research. 814:123-126
This study presents a comparative assessment of composite materials performance, based on 80%Al+20%CrC, 82%CuNiAl+18%WC and 82%CuZn48+18%CrC, butt welded and corner welded. This comparative assessment resulted in information regarding the chemical co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0871512fe82415615ff56961bfe105d4
https://doi.org/10.4028/www.scientific.net/amr.814.123
https://doi.org/10.4028/www.scientific.net/amr.814.123
Publikováno v:
Advanced Materials Research. 814:41-48
In many countries, in the industrial practice, the hard layers deposition is used to increase the hardness of the components active zones. A viable solution to increase the imposed properties consists in the deposition of amorphous layers by thermal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec547af19296ba4b30aba29284c4147c
https://doi.org/10.4028/www.scientific.net/amr.814.41
https://doi.org/10.4028/www.scientific.net/amr.814.41
Publikováno v:
Applied Mechanics and Materials. :2594-2604
The paper presents the experimental results obtained on the pipes welded joints made of TP 347 steel in normal state, NT (welded) and heat-treated state, TT for post-welding stabilization. Heat treatment for stabilization was performed in an electric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::226d1b08d63e325ae6d532a35e9e63e1
https://doi.org/10.4028/www.scientific.net/amm.291-294.2594
https://doi.org/10.4028/www.scientific.net/amm.291-294.2594