Selection of Components of a Composite Material Under Fuzzy Information Conditions

2019 ◽  
pp. 217-227
Author(s):  
I. V. Germashev ◽  
M. A. Kharitonov ◽  
E. V. Derbisher ◽  
V. E. Derbisher
Keyword(s):  
Composite Material ◽  
Fuzzy Information ◽  
Selection Of

Application of experimental design for selection of optimal modes of electro-deformation cladding with a flexible tool

2020 ◽  
pp. 71-76
Author(s):  
M.A. Levantsevich ◽  
E.V. Pilipchuk ◽  
N.N Maksimchenko ◽  
L.S. Belevskiy ◽  
R.R. Dema
Keyword(s):  
Composite Material ◽  
Experimental Design ◽  
Statistical Models ◽  
Experiment Planning ◽  
Flexible Tool ◽  
Tool Coating ◽  
Coating Composite ◽  
Selection Of

Experimental-statistical models of the process of forming composite chromium coatings by electrodeformation cladding with a flexible tool are developed, which allow to determine the parameters of the regimes for obtaining coatings of the required thickness and roughness. Keywords electrodeformation cladding, flexible tool, coating, composite material, experiment planning, noncompositional plan, thickness, roughness. [email protected]

scholarly journals DETERMINATION OF DEFORMATION IN MESH COMPOSITE STRUCTURE UNDER THE ACTION OF COMPRESSIVE LOADS

2020 ◽  
Vol 17 (35) ◽  
pp. 599-608 ◽  
Author(s):  
Alexander A. OREKHOV ◽  
Yuri A. UTKIN ◽  
Polina F. PRONINA
Keyword(s):  
Composite Material ◽  
Carbon Fiber ◽  
Bearing Capacity ◽  
Polymer Composite ◽  
Experimental Studies ◽  
Polymer Composite Material ◽  
Lightweight Mesh ◽  
Carbon Filler ◽  
Selection Of

One of the significant innovative technologies is the creation of large-sized structures that work for a long time in space and meet stringent restrictions on overall mass characteristics. Among these structures, in the first place, is the section of bearing truss (BT). This article presents the results of experimental studies of sectors of load-bearing trusses of mesh design for compression. Recently, composite mesh cylindrical shells are used as spacecraft housings. The mesh shell is a supporting structure to which the instruments and mechanisms of the spacecraft are attached. The truss section is made of cross-linked polymer composite material with carbon fibers. The objective of the tests is to confirm the possibility of creating a lightweight mesh construction using a carbon fiber reinforced polymer composite material. To achieve this goal, the authors were assigned the following tasks: selection of carbon filler of polymer composite materials (PCM); selection of PCM binder; determination of the degree of carbon fiber reinforcement; choice of the number and orientation paths of spiral ribs, number of ring ribs and the sizes of individual ribs. As a result of the research, the calculated indicators for ensuring the bearing capacity and stiffness under the application of axial compressive load were obtained. At the same time, with the determination of bearing capacity, the deformation characteristics of the structure were twice determined in order to confirm their repeatability, as well as linear nature of the dependence of axial and radial deformations as a result of the applied load.

scholarly journals Design and Construction of an Electric Guitar Body Made of Carbon Composite

2021 ◽  
pp. 101-106
Author(s):  
Radoslav Vandžura ◽  
Vladimír Simkulet ◽  
Michal Hatala
Keyword(s):  
Composite Material ◽  
Carbon Composite ◽  
The Body ◽  
Electric Guitar ◽  
Carbon Composite Material ◽  
Selection Of ◽  
Design And Construction

This paper presents the selection of technology, technological and working procedures to construct the body of an electric guitar (Stratocaster type.). The used material for the electric guitar construction was carbon composite material offset by standardly used components. The carbon composite was chosen because of its excellent properties suitable for guitar construction. Described and used technologies were Manual Wet Lamination Technology and Vacuum Bag Molding (VBM) technology, and both are affordable and uncomplicated methods.

scholarly journals Selection of composite material composition for non-evaporable getters of new generation

2019 ◽  
Vol 683 ◽  
pp. 012022
Author(s):  
M V Aleksandrova ◽  
Y V Nikolyukin ◽  
Y A Kurganova
Keyword(s):  
Composite Material ◽  
Material Composition ◽  
New Generation ◽  
Selection Of

Geometric-arithmetic energy and atom bond connectivity energy of dual hesitant q-rung orthopair fuzzy graphs

2021 ◽  
Vol 40 (1) ◽  
pp. 1287-1307
Author(s):  
Muhammad Akram ◽  
Sumera Naz ◽  
Sundas Shahzadi ◽  
Faiza Ziaa
Keyword(s):  
Upper And Lower Bounds ◽  
Fuzzy Information ◽  
New Approach ◽  
Fuzzy Graphs ◽  
New Concepts ◽  
Multi Attribute Decision Making ◽  
Hesitation Degree ◽  
A New Technique ◽  
Atom Bond ◽  
Selection Of

 q-Rung orthopair fuzzy sets (q-ROFSs), originally proposed by Yager, can powerfully modify the range of indication of decision information by changing a parameter q based on the different hesitation degree, and the dual hesitant q-rung orthopair fuzzy set (DHq-ROFS), a new technique to consider human’s hesitance, can be more substantial of dealing with real multi-attribute decision making (MADM) problems. Inspired by DHq-ROFSs, in this article, we extend the concept of q-rung orthopair fuzzy graphs to dual hesitant q-rung orthopair fuzzy context and introduce the innovative concept of a dual hesitant q-rung orthopair fuzzy graphs based on Hamacher operator called dual hesitant q-rung orthopair fuzzy Hamacher graphs (DHq-ROFHGs). We propose the new concepts of geometric-arithmetic energy and atom bond connectivity energy of a DHq-ROFHG and determine its upper and lower bounds. Moreover, on the basis of the proposed concept of DHq-ROFHGs, we introduce a new approach to solve the MADM problems with dual hesitant q-rung orthopair fuzzy information. At the end, we give a numerical model related to the selection of most significant defensive factor to illustrate the applicability of the developed approach, and exhibit its viability. Comparative analysis is conducted and the superiorities are illustrated.

Tailoring Composite Materials Through Optimal Selection of Their Constituents

1992 ◽  
Vol 114 (3) ◽  
pp. 451-458 ◽  
Author(s):  
H. M. Karandikar ◽  
F. Mistree
Keyword(s):  
Composite Material ◽  
Composite Materials ◽  
Multiobjective Optimization ◽  
Material Selection ◽  
The Other ◽  
Economic Factors ◽  
Optimal Selection ◽  
Structural Applications ◽  
Design Requirements ◽  
Selection Of

The use of composite materials has provided designers with increased opportunities for tailoring structures and materials to meet load requirements and changing and demanding environments. This has led to their increased use in structural applications. As with traditional materials the selection of an appropriate material for a design is important. In case of design using composite materials the selection of a material consists of selecting a fiber-resin combination which meets all design requirements. This involves choosing the fiber, the resin, and the proportion of these two constituents in the composite material. The phrase “material selection” refers to the problem of laminate selection. This corresponds to the task of choosing a fiber and resin combination based on technical and economic factors. Materials tailoring, on the other hand, involves manipulating the composition of the composite material to achieve desired properties and it is the selection of a fiber and resin simultaneously but separately. In this paper we present, through an example, a multiobjective optimization-based method for assisting a designer in tailoring composite materials for specific technical and economic objectives.

scholarly journals Concept selection of car bumper beam with developed hybrid bio-composite material

2011 ◽  
Vol 32 (10) ◽  
pp. 4857-4865 ◽  
Author(s):  
M.M. Davoodi ◽  
S.M. Sapuan ◽  
D. Ahmad ◽  
A. Aidy ◽  
A. Khalina ◽  
...  
Keyword(s):  
Composite Material ◽  
Concept Selection ◽  
Bumper Beam ◽  
Selection Of

Lightweight Design in Architecture – Forming of Stainless Steel Composites for Modern Facades

2015 ◽  
Vol 639 ◽  
pp. 77-82
Author(s):  
Marc Tulke ◽  
Jennifer Watzke ◽  
Alexander Brosius ◽  
Michael Schomäcker
Keyword(s):  
Stainless Steel ◽  
Composite Material ◽  
Lightweight Design ◽  
Mechanical Stretch ◽  
Simulation Studies ◽  
Stretch Forming ◽  
Forming Process ◽  
Extensive Simulation ◽  
Selection Of

This paper shows the characterisation of a new composite material for architectural applications. The stainless steel and polyethylene laminate offers new possibilities in forming optically pleasing facade shapes. A selection of possible structures is presented as a result of extensive simulation studies. The presented structures are generated with a new pneumo-mechanical stretch forming process.

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