Abstract

New developments in material science and its technologies find their best implementation areas in aircraft and space vehicles. Since the beginning of the powered flight, weight of airframes and systems are needed to be reduced. They are developed and built by light, durable and affordable materials through highly disciplined design, development, test and certification as well as manufacturing processes. Besides airframes, engineers are challenged to develop more efficient engines; both by reducing their weights and improving their aero-thermodynamic properties, sustaining higher operational and safety reliabilities along with complying stringent emission and noise restrictions. These conditions are increasing the demand for the development and the utilization of advanced lighter, stronger and durable materials and alloys, ceramic coatings and relevant manufacturing processes. In this study, current trends and future expectations from material technologies in general; for accomplishing higher expectations for future lighter airframes, aircraft systems and engines, are reviewed.

Highlights

  • Structure Engineers must develop master DesignCivil Transport Aircraft (CTA) design, development, test, certification, production and related system technologies have been developed in parallel with the development levels of countries owning these technologies and industries

  • Compared protective skin weighs less than half of the current to fiber reinforced polymer composites, Fiber Metal Laminates (FML) have composite coatings with increased damage tolerance by higher bearing strength and impact resistance and they are the help of energy absorbing foam

  • FAA (Federal Aviation Authority) in United States. These fiber-reinforced ceramics Turkey operates and maintains aircraft according to (FRCs) have lower densities, better oxidation resistance, Turkish Civil Aviation Authority Regulations (DGCAand potential to operate at significantly higher SHGM) which are fully compliant with EASA and FAA temperatures than super alloys

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Summary

INTRODUCTION

Civil Transport Aircraft (CTA) design, development, test, certification, production and related system technologies have been developed in parallel with the development levels of countries owning these technologies and industries. Integrated Product and Process Design (IPPD) and Concurrent Engineering (CE) disciplines are widely developed and It is envisioned by the world civil transport aviation sector that energy efficiency and overall productivity of generation CTAs must be improved between 60~70% by 2030~2040 as illustrated in Fig. 6 [4]. Design implementation of new materials are continuing in The A350 XWB’s airframe materials were selected for aluminum and titanium alloys, composite material their optimum qualities in uses throughout the jetliner – processing, manufacturing tools, monitoring and from composites in the fuselage, wings and tail, to maintenance approaches are being continuously advanced metallic in such major components as the developed.

Titanium Alloys
DESIGN FOR AIRWORTHINESS IN AIRCRAFT STRUCTURES
Change to Type Certifications
Design Criteria for Fatigue and Damage Tolerance
DISCUSSIONS AND CONCLUSIONS
Findings
Design Automation
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