A. Mechanical Engineering

Cornel Brisan, Ligia Munteanu, Veturia Chiroiu
On the acoustic invisibility

81

Mocian Oana Alexandra, Constantinescu Dan Mihai, Sandu Marin, Sorohan Ştefan
Low-velocity impact testing of foam core sandwich panels

93

Urse Georgeta Ion Durbacă, Iolanda Constanţa Panait
Some research results on the tightness and strength of flange joints

107

B. Chemical Engineering, Materials Science and Engineering

Mihai Ovidiu Cojocaru, Leontin Drugă, Mihai Brânzei, Florică Tudose
Titano-Aluminizing of Nickel based Super-Alloys

131

Ioan Ilca, Daniela Miloştean
The deformability and thermal treatment for the low alloyed Romanian
steel of high resistance

141

C. Electrical and Electronics Engineering

Gianfranco Chicco, Roberto Napoli
Challenges for a transition towards the smart grids

155

Aurélien Mercier, Mahana Bernier, Cédric Boudinet, Yvon Bésanger
Decentralized system controlling the phase connection of a single-phase installation

175

Bogdan Dumitrescu, Horia Gavrila
Models using artificial intelligence to optimize the use of wireless
network sensors in pharmaceutical depots. I: conception

189