15AN33T: Aircraft Materials Aero 3rd Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Aircraft Materials detail DTE Kar Diploma syllabus for Aeronautical Engineering (AE), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15AN33T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other aero 3rd sem syllabus for diploma c15 scheme dte karnataka you can visit Aero 3rd Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for aircraft materials is as follows.

Pre-requisites:

Knowledge of basic Science.

Course Objectives:

1. It aims at enabling the student to understand & analyze various types of materials for use in aircraft industry.

Course Outcomes:

For complete syllabus and results, class timetable and more pls download iStudy Syllabus App. Its a light weight, easy to use, no images, no pdfs platform to make students life easier.

UNIT 1: INTRODUCTION TO AIRCRAFT MATERIALS CO1 7 Hrs

SELECTION OF MATERIALS

1. Introduction: Importance, factors influencing selection
1. Availability, cost,
2. Reliability and compact ability
2. Engineering Consideration
1. Strength
2. Weight
3. Working properties
4. Joining properties
5. Fatigue strength
3. Mechanical or physical properties of Materials
1. Stress
2. Strain
3. Tensile strength
4. Elastic limit
5. Proportional limit
6. Proof stress
7. Yield strength
8. Yield point
9. Elongation
10. Reduction of area
11. Modulus of Elasticity
12. Stiffness
13. Resilience
14. Toughness
15. Hardness
16. Brittleness
17. Malleability
18. Ductility
19. Elasticity
20. Density
21. Fusibility
22. Conductivity

UNIT II: AIRCRAFT MATERIALS AND THEIR PROPERTIES CO2 10Hrs

Commonly used Aircraft materials and their proprieties

1. Steel
1. Constituents of steel: Basic constituents, their affect on steel
2. Types of Steel: Brief descriptions of:
1. Plain carbon steel
2. Alloy steel
3. Low alloy steel
4. High alloy steel
5. High-speed tool steels
6. Stainless steels – Types of stainless steels: Brief description of composition, properties of:-
3. Steel numbering system
1. SAE (Society of Automobile Engineering) steel numbering system
4. Copper and its alloys:-Importance and basic need for copper alloys for aircrafts
1. Different Types of copper alloys: –
1. Brass
2. Muntz steel
3. Manganese Bronze
4. Naval Brass
5. Red boran
6. Bronze
7. Gunmetal
8. Aluminum Bronze
5. Nickel alloys: – Importance and basic need for nickel alloys for aircrafts
1. Inconel
2. Monel
3. K-monel
6. Aluminum Alloys:
1. Classification of aluminum alloys
7. Non Heat treatable Alloys and their properties:-
1. Formability
2. Weldability
3. Resistance to corrosion
8. Heat Treatable Alloys and their properties:-
1. Formability of alloys
2. Weld ability
9. Titanium Alloys and their properties
10. Super alloys and their properties:-
1. Nickel base super alloys
1. Cobalt base alloys
2. Iron base super Alloys

UNIT III: COMPOSITE AND OTHER MATERIALS CO3 8 Hrs

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UNIT IV: CORROSION AND ITS PREVENTION CO4 07 Hrs

1. Introduction and Conditions for corrosion
2. Development of corrosion : general process of corrosion
3. Factors influencing corrosion
4. Forms of corrosion:-
1. Uniform corrosion
2. Pitting corrosion
3. Galvanic corrosion
5. Material selection
1. Metallic, non metallic, metal purification
2. Coatings- metallic, inorganic, organic
3. Design- Drainage, stress avoidance, Avoiding dissimilar metal Avoiding Crevices, Avoiding exposure to air
4. Environmental control:
1. Temperature
2. Velocity
3. Oxygen
4. Concentration
5. Inhibition
6. Cleaning
7. Medium change

UNIT V: MATERIAL FAILURES AND TESTING CO5 14 Hrs

1. Introduction to material failures ( material and components)
2. Fracture, types of fracture ( ductile and brittle )
3. Fatigue:-

Definition
Explanation of fatigue
Relation between number of cycles of operation and Fatigue failure

4. Factors affecting fatigue:-

Component design
Nature of environment

5. MATERIALS DESTRUCTIVE TESTING
1. Introduction and various testing methods in brief:
2. Tension testing
3. Determination of elastic limit
4. Proof- stress determination
5. Yeild point determination
6. Divider method
7. Drop of beam method
8. Hardness testing: methods available are:
1. Brinell hardness
2. Rockwell hardness
3. Vickers or diamond pyramid Hardness
4. Shore seleroseope Hardness testing
9. Bending Tests:-Introduction
10. Impact tests: Standard impact tests, IZOD tests , charpy test
11. Fatigue testing
6. NON DESTRUCTIVE TESTING(NDT)
1. Introduction and Purpose
2. Types of Defects: inherent, processing and service
3. N D T methods:
1. Surface Inspection Techniques

Penetration test
Magnetic Particle Test

2. Internal Inspection Techniques:

Radaiography Test
Ultrasonic Test
Eddy current Test

UNIT VI: INTRODUCTION TO ADVANCED MATERIALS CO6 06Hrs

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TEXT BOOKS

Aircraft materials and processes. By. George Titterton

Reference Books:

1. Aircraft materials and processes. By. George Titterton FAA publication AC65 9A
2. Advanced Composites By. Cyndy Foreman

LIST OF SOFTWARE/LEARNING WEBSITES

1. https://www.faa.gov/regulations policies/handbooks manuals/aircraft/amt handb ook/media/FAA-8083-30 Ch05.pdf
2. https://howthingsfly.si.edu/structures-materials/materials
3. https://en.wikipedia.org/wiki/Aerospace materials

Suggested List of Student Activities:

Note: the following activities or similar activities for assessing CIE (IA) for 5 marks (Any one)

1. Each student should do any one of the following type activity or any other similar activity related to the course and before conduction, get it approved from concerned Teacher and HOD.
2. Each student should conduct different activity and no repeating should occur

1. Each student should collect information about modern developments in aircraft materials – Hand written report to be submitted.
2. Collect info on environmental impact of various materials used in aircraft industry and submit hand written report
3. Collect samples of ill effects of corrosion of ferrous and non ferrous metal and submit hand written report. (pictures can be attached)

Course Delivery:

• The course will be delivered through lectures and Power point presentations
• Teachers can prepare or download ppt of different topic’s Aeronautical engineering application, can prepare alternative slides.

Model Question Paper:

(CIE)

1. List out the factors influencing the selection of materials
2. Explain the various physical properties of aircraft materials
3. Explain various steel alloys used

OR
Explain various copper alloys

4. Briefly explain steel alloy constituents and their effects

OR
Explain steel numbering system

Model Question Paper:

PART-A

(Each questions carries 5 marks)

1. Differentiate between ductility and malleability with correct definition.
2. Write in brief about copper and its alloys.
3. Write in brief about steel numbering system and illustrate with examples.
4. Illustrate the functions of a matrix in a composite.
5. Write about corrosion prevention and categorize various methods.
6. What is material failure, differentiate between ductile and brittle fracture.
7. Demonstrate with help of diagram the elastic limit determination method.
8. Distinguish between NDT and DT for materials.
9. Write about nano materials.

PART-B

(Each questions carries 10 marks)

1. Give an appraisal of factors influencing selection of materials with brief explanation of each factor.
2. What is steel and illustrate its types as used in aircraft industry.
3. Write a detailed brief about super alloys.
4. Write short notes on Pickling, Sandblasting, and carburizing
5. Compare composite materials with metals and outline advantages of composites.
6. List and explain factors influencing corrosion and write types of corrosion.
7. Distinguish between creep and fatigue failure and explain factors affecting fatigue.
8. What is hardness and list bout methods for hardness testing with detailed explanation of one of the methods.
9. Illustrate various techniques used in NDT and explain eddy current method .
10. Write a note on advanced materials in use of aircraft industry

For detail syllabus of all other subjects of BE Aero, C15 scheme do visit Aero 3rd Sem syllabus for C15 scheme.

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