Minodora Maria Pasăre
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View article: Eight-Disciplines Analysis Method and Quality Planning for Optimizing Problem-Solving in the Automotive Sector: A Case Study
Eight-Disciplines Analysis Method and Quality Planning for Optimizing Problem-Solving in the Automotive Sector: A Case Study Open
Meeting the demands for advanced technology and superior quality in the automotive industry has become essential. Continuous evolution requires a rigorous analysis of every step taken. Customers demand high performance in the technology, d…
View article: 8D Analysis Method and Quality Planning for Optimizing Problem Solving in the Automotive Sector: Case Study
8D Analysis Method and Quality Planning for Optimizing Problem Solving in the Automotive Sector: Case Study Open
The demand for advanced technology and superior quality in the automotive industry has become essential. Continuous evolution requires a rigorous analysis of every step taken. Customers demand high performance in technology, design, digita…
View article: Brief overview of evolution of the bone cements
Brief overview of evolution of the bone cements Open
Bone cements have undergone significant evolution in recent decades, adapting to clinical and technological needs. From the simple use of polymethyl methacrylate (PMMA) cement in the mid-20th century, there has been the development of adva…
View article: The Influence of the Wood Essence of Beams Reinforced with Polymer Composite Materials on the Mechanical Properties
The Influence of the Wood Essence of Beams Reinforced with Polymer Composite Materials on the Mechanical Properties Open
Wooden resistance elements, such as beams and pillars, are often used in construction. They must be designed and made so as to withstand the loads to which they are subjected during use. The predominant stress of the beams is bending, the …
View article: Study on the effect of zinc oxide nanopowder doped with different concentrations of cobalt, on the properties of implants
Study on the effect of zinc oxide nanopowder doped with different concentrations of cobalt, on the properties of implants Open
The aim of this study was to improve the physical, mechanical and chemical properties of biomaterials used in medical applications, by depositing thin films with superior properties on the surface of the materials. Starting from the antiba…
View article: Research on Obtaining Nanostructured Surfaces Efficient in Combating Microbial Biofilm
Research on Obtaining Nanostructured Surfaces Efficient in Combating Microbial Biofilm Open
Infections that occur after the insertion of biomedical devices are a major problem; potential sources of infection are due to the adhesion of bacteria on the surface of implants, bacteria that form biofilms. In order to combat or to effec…
View article: SOME ASPECTS OF THE PROCESSING FLOWS FROM A STONE QUARRY
SOME ASPECTS OF THE PROCESSING FLOWS FROM A STONE QUARRY Open
The stone processing and sorting installations are installations with the help of which different geometric dimensions of the processed materials are obtained. Until the final dimensions are obtained, the materials go through different sta…
View article: Structure and Heat Transfer in Zircaloy-4 Treated at High Temperatures
Structure and Heat Transfer in Zircaloy-4 Treated at High Temperatures Open
Zircaloy-4 has an important role in the construction of generation III nuclear reactors. An important application is the fuel element sheath, which must have excellent corrosion resistance in the working environment, adequate mechanical ch…
View article: MODIFICATION OF THE STRUCTURE OF NI-P AND NI-P/SIC MATERIALS DEPENDING ON SOME WORKING PARAMETERS
MODIFICATION OF THE STRUCTURE OF NI-P AND NI-P/SIC MATERIALS DEPENDING ON SOME WORKING PARAMETERS Open
The electrodeposited layers such as Ni-P and Ni-P/SiC have a wide use in many fields of activities due to their very good properties such as well behave in corrosion and wear resistance. In this paper are presented some microstructures of …
View article: ON THE HARDNESS OF THIN COMPOSITE LAYERS OBTAINED BY ELECTRODEPOSITION
ON THE HARDNESS OF THIN COMPOSITE LAYERS OBTAINED BY ELECTRODEPOSITION Open
The composite materials are used in many fields of activity because of their properties. The properties of composite materials are superior to those of ordinary materials precisely because of the way they are formed. Thus, a composite mate…
View article: THE ACTION OF PERIODIC VARIABLE FORCES IN TIME ON AN ELASTIC MEDIUM
THE ACTION OF PERIODIC VARIABLE FORCES IN TIME ON AN ELASTIC MEDIUM Open
This paper solves the problems of the dynamics of thin-walled bar frames of open
\nsections excited externally parametrically, decomposing the functions of the section displacements
\nin time, after the bending functions in the main planes…
View article: IMAGE ON COMPOSITE MATERIALS
IMAGE ON COMPOSITE MATERIALS Open
Composite materials are materials with remarkable properties, obtained by combining two or more homogeneous macroscopic materials, with different structure and properties, which, by combining the individual qualities of the components, for…
View article: Synthesis of Two New Mechanisms Which Generate a Highly Aesthetic Design Image—The Flower of Life
Synthesis of Two New Mechanisms Which Generate a Highly Aesthetic Design Image—The Flower of Life Open
(1) Background: The objective of this study was to develop the field of mechanisms that generate aesthetic curves, as they can be useful in designing machines for the manufacture of highly beautiful products. We started from the image of t…
View article: ASPECTS OF COMPOSITE MATERIALS EVOLUTION
ASPECTS OF COMPOSITE MATERIALS EVOLUTION Open
The composite material results from a combination of two or more constituent materials that may be of the same type or they may be of different types, from physical and chemical point of view of the properties. The constituent materials ma…
View article: DEPENDENCE BETWEEN THE HARDNESS OF A COMPOSITE MATERIAL AND THE MODE OF THE FORCE APPLICATION
DEPENDENCE BETWEEN THE HARDNESS OF A COMPOSITE MATERIAL AND THE MODE OF THE FORCE APPLICATION Open
Composite materials are made up of several components called constituents. It can contains at least two components, one of which has the role of matrix, the other, embedded in the first, having different shapes and sizes, has the role of r…
View article: Study on the classification of actions aimed to reduce the fuel consumption of road vehicles in service
Study on the classification of actions aimed to reduce the fuel consumption of road vehicles in service Open
This paper addresses the major global problem of reducing fuel consumption in the transport sector. The authors present the results of a study on the use of a quality management tool - tree diagram. The actions aimed at reducing the fuel c…
View article: Study on a Determination of Measures Needed to Improve the Quality of Analyzes Performed in a Chemical Laboratory
Study on a Determination of Measures Needed to Improve the Quality of Analyzes Performed in a Chemical Laboratory Open
In this paper the authors present a study on the use of the tree diagram to solve a quality problem in a chemical laboratory. The study aims to identify actions/measures that ensure elimination of sources of errors that cause non-quality p…
View article: STATISTICAL CORRELATION BETWEEN THE HARDNESS OF THE COMPOSITES AND THE APPLIED LOAD
STATISTICAL CORRELATION BETWEEN THE HARDNESS OF THE COMPOSITES AND THE APPLIED LOAD Open
Composite materials are used for their properties. They have properties from both materials which they are done: matrix and bond material. Because of the liaison of the two elements the composite materials get important properties such us:…
View article: Study on a New Classification of Causes which Generate Deffects of Injection Molding Products
Study on a New Classification of Causes which Generate Deffects of Injection Molding Products Open
In this paper we present a study that was conducted to determine the classification of causes that generate defects in products obtained by injection of plastic material. A classification of the causes of defects is made by applying a qual…
View article: Effect of Support on the Performance of CoMoRe Catalyst in Thiophene and Benzothiophene Hydrodesulfurization
Effect of Support on the Performance of CoMoRe Catalyst in Thiophene and Benzothiophene Hydrodesulfurization Open
This work is aimed at selection of a suitable support for CoMoRe catalyst in hydrodesulfurization (HDS) of thiophenes. g-Al2O3 and g-Al2O3-HMS were used as a support for CoMoRe catalyst with 4%Co, 8%Mo and 0.5%Re loading. The metal loading…
View article: ON THE APPLICABILITY OF COMPOSITES MATERIALS
ON THE APPLICABILITY OF COMPOSITES MATERIALS Open
Composite materials have emerged from the need to create new materials with special properties and to replace or reduce the consumption of traditional and expensive materials, as well as to increase the safety and reliability of parts or t…
View article: BEHAVIOR OF CEMENT MORTARS SAMPLES
BEHAVIOR OF CEMENT MORTARS SAMPLES Open
The bodies are studied taking into account the fact that they deform under the action of the tasks. The size of the deformations depends on the elastic characteristics of the material, the shape and dimensions of the body, and the size and…
View article: Hydrodesulphurization of Thiophene over Co, Mo and CoMo /g-Al2O3 Catalysts
Hydrodesulphurization of Thiophene over Co, Mo and CoMo /g-Al2O3 Catalysts Open
The hydrodesulphurization (HDS) of thiophene was performed on monometallic catalysts Co/g -Al2O3, Mo/g -Al2O3 and bimetallic CoMo/g -Al2O3. Experiments were carried out on a fixed bed catalytic reactor at 175-300�C, 30-60 atm, thiophene vo…
View article: Analysis of Microstructure and Mechanical Properties of FSW Overlay Joints for Dissimilar Materials
Analysis of Microstructure and Mechanical Properties of FSW Overlay Joints for Dissimilar Materials Open
Welding of Al and Cu materials by friction with active rotating element is of particular interest, being used in various branches of industry due to superior properties. The paper is centred on the analysis of microstructure and microhardn…
View article: Dimethyldisulphide Hydrodesulphurization on NiCoMo / Al2O3 Catalyst
Dimethyldisulphide Hydrodesulphurization on NiCoMo / Al2O3 Catalyst Open
Hydrodesulphurization of dimethyldisulphide was performed on Ni-Co-Mo /�-Al2O3 catalyst. The catalyst was characterized by determining the adsorption isotherms, the pore size distribution and the acid strength. Experiments were carried out…
View article: STUDY TO DETERMINE A NEW MODEL OF THE ISHIKAWA DIAGRAM FOR QUALITY IMPROVEMENT
STUDY TO DETERMINE A NEW MODEL OF THE ISHIKAWA DIAGRAM FOR QUALITY IMPROVEMENT Open
The paper presents the results of a study concerning the use of the Ishikawa diagram in analyzing the causes that determine the improvement of the quality of education in a university. All the possible, main and secondary causes that could…
View article: Microstructure and Properties of Copper and 5754 Aluminum Alloy Joints by Friction Stir Welding
Microstructure and Properties of Copper and 5754 Aluminum Alloy Joints by Friction Stir Welding Open
Welding dissimilar materials aluminum and copper by FSW are of great interest because Al and Cu are two most common engineering materials widely used in many industries. The paper analyzes the microstructure and mechanical properties obtai…
View article: ON THE MITIGATION ACTIONS OF DEFECTS FOR PLASTICAL DEFORMED PARTS
ON THE MITIGATION ACTIONS OF DEFECTS FOR PLASTICAL DEFORMED PARTS Open
In this paper, they are presented the defects of products which are obtained byforging and actions that can be taken to reduce these defects. They are highlighted the relationsbetween the proposed target of reducing defects and the actions…
View article: ASPECTS REGARDING THE DETERMINATION OF DYNAMIC COEFFICIENT
ASPECTS REGARDING THE DETERMINATION OF DYNAMIC COEFFICIENT Open
The application by shock is linked to sudden changes of speed and acceleration of bodies,in collision situation. Shock problems can be reduced to problems of static requests by introducing the dynamic or static coefficient of impact betwee…