Development of Aerospace Composite Structures Through Vacuum-Enhanced Resin Transfer Moulding Technology (VERTMTy)

2018 ◽  
pp. 99-111
Author(s):  
Raghu Raja Pandiyan Kuppusamy
Keyword(s):  
Composite Materials ◽  
Composite Structures ◽  
Polymer Matrix Composites ◽  
Wide Spectrum ◽  
Low Cost ◽  
Matrix Composites ◽  
Resin Transfer Moulding ◽  
Advanced Composite ◽  
Advanced Composite Materials ◽  
Transfer Moulding

Quality products with low cost manufacturing routes are the major objectives for the product development in any application. The current statement is evident for polymer-matrix composites, particularly in high end applications such as aerospace and mass transit structures. These applications require advanced composite materials tailored to meet the property demands posted by dynamic load conditions, and hence, the use of wide spectrum of constituents and architectures are vital to cater the needs. Consequently, the development of novel composite materials with the permutations of ingredients leads to the innovative processing techniques. To address the gap in the manufacturing with economical processing routes of thick sectioned advanced composite parts showing superior properties at different wall sections, an innovative composite manufacturing technology coupling resin transfer moulding (RTM) processing and vacuum applications, namely vacuum enhanced resin transfer moulding technology (VERTMTy), is conceptualized, proposed, and developed.

scholarly journals Advanced composite materials manufacturing technology

2018 ◽  
Vol 1 (1) ◽  
Author(s):  
Tang Zhijin
Keyword(s):  
Composite Materials ◽  
Metal Matrix Composites ◽  
Metal Matrix ◽  
Polymer Matrix Composites ◽  
Ceramic Matrix Composites ◽  
Matrix Composites ◽  
Preparation Methods ◽  
Advanced Composite ◽  
Advanced Composite Materials ◽  
Preparation Techniques

In recent years, a variety of composite materials preparation technology has been updated, from ceramic matrixcomposites, metal matrix composites to polymer matrix composites, a variety of preparation techniques have beengreatly improved, making the composite properties and applications signifi cantly improved. This paper reviews severalimportant preparation methods and applications of ceramic matrix composites, metal matrix composites and polymermatrix composites.

Types and Course of Development of Advanced Composite Materials

2013 ◽  
Vol 438-439 ◽  
pp. 253-256
Author(s):  
Xuan Liu ◽  
Hai Xie
Keyword(s):  
Composite Materials ◽  
Polymer Matrix Composites ◽  
Large Fraction ◽  
Chemical Properties ◽  
High Strength ◽  
Matrix Composites ◽  
Advanced Composite ◽  
High Stiffness ◽  
Advanced Composites ◽  
Advanced Composite Materials

Advanced composite materials (ACMs) are also known as advanced polymer matrix composites. These are generally characterized or determined by unusually high strength fibers with unusually high stiffness, or modulus of elasticity characteristics, compared to other materials, while bound together by weaker matrices. These are termed advanced composite materials (ACMs) in comparison to the composite materials commonly in use such as reinforced concrete, or even concrete itself. The high strength fibers are also low density while occupying a large fraction of the volume. Advanced composites exhibit desirable physical and chemical properties that include light weight coupled with high stiffness (elasticity), and strength along the direction of the reinforcing fiber, dimensional stability, temperature and chemical resistance, flex performance and relatively easy processing. Advanced composites are replacing metal components in many uses, particularly in the aerospace industry.

Application of Composite Materials to Space Structures

1988 ◽  
Vol 12 (2) ◽  
pp. 49-56
Author(s):  
D.G. Zimcik
Keyword(s):  
Composite Materials ◽  
Environmental Effects ◽  
High Performance ◽  
Polymer Matrix Composites ◽  
Space Environment ◽  
Space Structures ◽  
Matrix Composites ◽  
Performance Space ◽  
Performance Requirements ◽  
Advanced Composite Materials

Advanced composite materials are playing an increasingly important role in the design and fabrication of high performance space structures. Composite materials may be tailored for a particular application to establish a unique combination of high specific stiffness and strength, dimensional stability and specific damping which makes these materials ideal candidates for many applications in the hostile space environment. Demonstrative examples of typical applications to primary structures and payloads, each with a different set of performance requirements, are presented in this paper. Unfortunately, the use of polymer matrix composites for very long exposure to space has not been without problems due to various environmental effects which are discussed. The use of metal matrix composites is proposed as a possible solution to the problem. However, an understanding of the fundamental properties of composites and their response to space environmental effects is essential before the full benefit of these materials can be realized.

scholarly journals A Study of Drive Shaft Assembly

2015 ◽  
Vol 1 (1) ◽  
Author(s):  
Deepak Pushpad
Keyword(s):  
Composite Materials ◽  
Weight Reduction ◽  
Composite Structures ◽  
Drive Shaft ◽  
Material Technology ◽  
Metallic Structures ◽  
Specific Strength ◽  
Advanced Composite ◽  
Advanced Composite Materials ◽  
Analysis Package

The weight reduction of the driveshaft can have a certain role in the general weight reduction of the vehicle and is a highly desirable destination. Substituting composite structures for conventional metallic structures has many advantages because of higher specific stiffness and durability of composite materials. The advanced composite materials such as graphite, carbon, Kevlar and Glass with suitable resins are widely practiced because of their high specific strength and high specific modulus. Advanced composite materials seem ideally suited for long, power driver shaft applications. The automotive industry is exploiting composite material technology for structural component construction in order to obtain the reduction of the weight without a reduction in vehicle quality and dependability. It is known that energy conservation is one of the most important objectives in vehicle design and reduction of weight is one of the most efficient steps to get this effect. In reality, on that point is about a direct proportion between the weight of a vehicle and its fuel use, especially in city driving. This task is an analysis performed on drive shaft with different composite materials and concludes that the utilization of composite materials for drive shaft would induce less amount of stress which additionally reduces the weight of the vehicle. CATIA is the modelling package used to model the drive shaft arrangement and ANSYS is the analysis package used to carry out analysis.

scholarly journals Computational Modeling of Polymer Matrix Composites

2018 ◽  
Author(s):  
DC Pham
Keyword(s):  
Mechanical Properties ◽  
Composite Material ◽  
Composite Materials ◽  
Polymer Matrix ◽  
Composite Structures ◽  
Computational Models ◽  
Polymer Matrix Composites ◽  
Failure Criteria ◽  
Matrix Composites ◽  
Stiffness Reduction

Applications of polymer matrix composites are growing in aerospace and offshore industries due to the light-weight and good mechanical properties of composite materials. The design of composite materials can be made at macroscopic level in which the composite mechanical properties can be tailored to offer the most desired performance of composite structures. Understanding on mechanical behavior of the composite material may require detailed investigations at the microscopic level involving the behaviour of the composite constituents such as the fiber, the polymer matrix and the fiber/matrix interface under macroscopic loads. Composite failure criteria are often employed to evaluate the failure of composite material and its constituents. Computational damage models can be then developed to reflect the stiffness reduction of the material once damage at the macro- and micro- scales of the composite is indicated. The successful prediction of composite structures relies on consistent computational models which can capture the mechanical behaviour of composite materials at different length scales.

Residual Strength of Composites during and after Fire Exposure

1993 ◽  
Vol 11 (3) ◽  
pp. 255-270 ◽  
Author(s):  
U. Sorathia ◽  
C. Beck ◽  
T. Dapp
Keyword(s):  
Composite Materials ◽  
Residual Strength ◽  
Composite Structures ◽  
Damage Control ◽  
Structural Performance ◽  
Fire Exposure ◽  
Advanced Composite ◽  
Advanced Composite Materials ◽  
Flammability Characteristics ◽  
Relationship Of

The flammability characteristics of conventional and advanced composite materials have been extensively studied within the DOD. However, the structural performance of composite materials, the residual strength of composite structures, and the consequences of composite usage on ship sur vivability and damage control during and after fire have not yet been fully assessed. Residual flexural strength retained (%RSR) after exposure to 25 kW/m2 for a duration of 20 minutes (ASTM E-662) for selected conventional and advanced composite materials is presented. A methodology is presented for the assess ment of the residual strength of composite materials during fire exposure by inter-relationship of mechanical property, temperature, thickness and time.

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