Search Results - "EUGEN HERGHELEGIU"

The Impact of the COVID-19 Pandemic on the Quality of Educational Process: A Student Survey by Radu, Maria-Crina, Schnakovszky, Carol, Herghelegiu, Eugen, Ciubotariu, Vlad-Andrei, Cristea, Ion

“…The paper presents the results of a students' survey carried out at "Vasile Alecsandri" University of Bacau, Romania, on the quality of educational process on…”
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Review Regarding the Influence of Cryogenic Milling on Materials Used in the Aerospace Industry by Bogdan Nita, Tampu, Raluca Ioana, Tampu, Catalin, Chirita, Bogdan Alexandru, Herghelegiu, Eugen, Schnakovszky, Carol

“…In the aerospace industry, an important number of machined parts are submitted for high-performance requirements regarding surface integrity. Key components…”
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Comparative Characterization of the TiN and TiAlN Coatings Deposited on a New WC-Co Tool Using a CAE-PVD Technique by Matei, Alecs Andrei, Turcu, Ramona Nicoleta, Pencea, Ion, Herghelegiu, Eugen, Petrescu, Mircea Ionut, Niculescu, Florentina

“…The main objective of this work was to assess and compare the structure and mechanical properties of the TiN and TiAlN coatings deposited on a new WC-Co tool…”
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Use of vegetable oils as dielectric fluids for electrical discharge machining. A case study by Radu, Maria-Crina, Herghelegiu, Eugen, Tampu, Catalin, Chirita, Bogdan, Schnakovszky, Carol, Radu, Petrica, Ghiorghe, Oana

“…Electrical discharge machining with solid electrodes represents an efficient solution to generate blind cavities with complex geometry. Vegetable oils…”
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INFLUENCE OF THE ELECTRODE MATERIAL ON ELECTRICAL DISCHARGE MACHINING PROCESS PERFORMANCE by OANA GHIORGHE, CAROL SCHNAKOVSZKY, EUGEN HERGHELEGIU, MARIA CRINA RADU, BOGDAN ALEXANDRU CHIRITA, NICOLAE CATALIN TAMPU, BOGDAN NITA, PETRICA RADU

“…Electrical discharge machining is a non-conventional technology widely used to meet the rigors of industrial requirements imposed by the processing of emerging…”
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STUDY ON THE INFLUENCE OF WEDM PROCESSING REGIMES ON THE QUALITY OF ARMOR STEEL by GHIORGHE, OANA-GEORGETA, SCHNAKOVSZKY, CAROL, HERGHELEGIU, EUGEN, TAMPU, CATALIN

“…The aim of the current paper is to analyze the influence of process parameters on the dimensional accuracy of parts manufactured by Ramor 550 and Ramor 400…”
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Structural and Behaviour Optimization of Tubular Structures Made of Tailor Welded Blanks by Applying Taguchi and Genetic Algorithms Methods by Ciubotariu, Vlad Andrei, Radu, Maria Crina, Herghelegiu, Eugen, Zichil, Valentin, Grigoras, Cosmin Constantin, Nechita, Elena

“…Even though they initially appeared as a method of using waste from other production processes, tailored welded blanks (TWB) presented several advantages by…”
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STUDY ON THE INFLUENCE OF WELDER’S FATIGUE ON THE QUALITY OF WELD LINES by LUNGU, DIANA, ACSINTE, ALEXANDRU, SCHNAKOVSZKY, CAROL, HERGHELEGIU, EUGEN, RADU, CRINA

“…In this paper a case study is presented, based on certain exercises applied to different welders, to evaluate the influence of welder’s fatigue on the quality…”
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OBTAINING NEW THIN WALLED TUBULAR STRUCTURES THROUGH MATRIX MORPHOLOGICAL RESEARCH by CIUBOTARIU, VLAD ANDREI, RADU, CRINA MARIA, GRIGORAȘ, COSMIN, HERGHELEGIU, EUGEN

“…New products based on a structure that represents a combination of known elements in a higher quality set, as well as products that refer to new shapes, new…”
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A THEORETICAL STUDY REGARDING THE INFLUENCE OF CARBON AMOUNT ON RESIDUAL STRESS DISTRIBUTION IN SURFACE LAYER by NICOLAE CATALIN TAMPU, RALUCA IOANA TAMPU, BOGDAN ALEXANDRU CHIRITA, EUGEN HERGHELEGIU

“…The aim of the present paper is to investigate the residual stress distribution generated in surface layers by machining. Experiments revealed that an increase…”
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STRETCH FORMING USING HEATED DIE by GRIGORAȘ, COSMIN CONSTANTIN, CHIRIȚĂ, BOGDAN, ZICHIL, VALENTIN, HERGHELEGIU, EUGEN, TÂMPU, CĂTĂLIN, CIUBOTARIU, VLAD

“…The stretch forming process implies stretching and drawing into shape a sheet of material onto a die. This method is used, among other sectors, in the…”
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NEW CHALLENGES IN ABRASIVE WATER JET MACHINING by CIOFU, CATALINA, TAMPU, CATALIN, HERGHELEGIU, EUGEN, IANCU, COSMIN ALEXANDRU, BRABIE, GHEORGHE

“…Abrasive water jet machining (AWJM) is one of the most important method used in cutting different types of materials: alloy sheet, marble, glass, rocks. This…”
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NEW CHALLENGES IN ABRASIVE WATER JET MACHINING by CATALINA CIOFU, CATALIN TAMPU, EUGEN HERGHELEGIU, COSMIN ALEXANDRU IANCU, GHEORGHE BRABIE

“…Abrasive water jet machining (AWJM) is one of the most important method used in cutting different types of materials: alloy sheet, marble, glass, rocks. This…”
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Considerations on material thickness influence on the AWJ processing quality of an aluminium alloy by Herghelegiu, Eugen, Radu, Maria Crina, Schnakovszky, Carol, Tampu, Catalin Nicolae

“…The aim of the current paper is to determine the influence of material thickness on the quality aspects of AWJ processing of the AL6061T651 alloy. The analysis…”
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STUDY ON THE INFLUENCE OF WEDM PROCESSING REGIMES ON THE QUALITY OF ARMOR STEEL by OANA-GEORGETA GHIORGHE, CAROL SCHNAKOVSZKY, EUGEN HERGHELEGIU, CATALIN TAMPU

“…The aim of the current paper is to analyze the influence of process parameters on the dimensional accuracy of parts manufactured by Ramor 550 and Ramor 400…”
Get full text

STUDY ON THE INFLUENCE OF WEDM PROCESSING REGIMES ON THE QUALITY OF ARMOR STEEL by OANA-GEORGETA GHIORGHE, CAROL SCHNAKOVSZKY, EUGEN HERGHELEGIU, CATALIN TAMPU

“…The aim of the current paper is to analyze the influence of process parameters on the dimensional accuracy of parts manufactured by Ramor 550 and Ramor 400…”
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Erratum: Radu, M.-C., et al. The Impact of the COVID-19 Pandemic on the Quality of Educational Process: A Student Survey. Int. J. Environ. Res. Public Health 2020, 17 , 7770 by Radu, Maria-Crina, Schnakovszky, Carol, Herghelegiu, Eugen, Ciubotariu, Vlad-Andrei, Cristea, Ion

“…In the original version of our article [...]…”
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Structural and Morphological Characterization of Biopolymeric Samples Through AWJ Machining by Mărguță, Daniel, Herghelegiu, Eugen, Tâmpu, Cătălin, Mazurchevici, Simona‐Nicoleta, Petrescu, Tudor, Nedelcu, Dumitru

“…In order to identify the structure and morphology of the resulting surfaces from the abrasive water jet cutting, specialized analyses are performed. The…”
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OBTAINING NEW THIN WALLED TUBULAR STRUCTURES THROUGH MATRIX MORPHOLOGICAL RESEARCH by VLAD ANDREI CIUBOTARIU, CRINA MARIA RADU, COSMIN GRIGORAȘ, EUGEN HERGHELEGIU

“…New products based on a structure that represents a combination of known elements in a higher quality set, as well as products that refer to new shapes, new…”
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OBTAINING NEW THIN WALLED TUBULAR STRUCTURES THROUGH MATRIX MORPHOLOGICAL RESEARCH by VLAD ANDREI CIUBOTARIU, CRINA MARIA RADU, COSMIN GRIGORAȘ, EUGEN HERGHELEGIU

“…New products based on a structure that represents a combination of known elements in a higher quality set, as well as products that refer to new shapes, new…”
Get full text