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HOLY ANGEL UNIVERSITY COLLEGE OF ENGINEERING

Aeronautical Engineering Department

Course Outline

Prepared by: Engr. Arvin N. Gastardo Program Coordinator

I. Course Title : Aircraft Materials and Processes (AIRMTLS) III. Course Credit : 3 units lecture

IV. Pre-requisite : PHYSICS2, PHYSICS 2L, GENCHEM2

VI. Course Content :

PRELIMINARY EXAMINATION

MIDTERM EXAMINATION

FINAL EXAMINATION

A. Properties of Materials

1. Aircraft fabrics 1.1. Problem Areas 1.2. Aircraft Fabric

Synthetic 1.3. Aircraft Fabric

Natural 2. Aircraft plastics

2.1. Thermoplastic Resins 2.2. Thermosetting

Resins 3. Aircraft metals

3.1 Characteristics/

Identification of Metals

• Hardness

• Strength

• Malleability

• Ductility

• Elasticity

• Toughness

• Brittleness

• Fusibility

• Conductivity

B. Material Processes 1. Cold working of aircraft

metals

2. Heat treatment of aircraft metals

2.1. Heat treating cycle

2.2. Heat treatment of ferrous metals 2.3. Annealing 2.4. Normalizing 2.5. Hardening 2.6. Tempering 2.7. Special

treatment of alloys 3. Welding & Other

Processes.

3.1. Equipment Selection 3.2. Accurately

Identify the Type of Material to be Repaired.

3.3. Preparation for Welding 3.4. Inspection of a

Completed Weld.

3.5. Microfissures 3.6. Practices to

Guard Against 3.7. Torch Size

C. Aircraft Material Testing and Inspection

1. Destructive testing 2. Non-Destructive

testing

2.1. Introduction and application 2.2. Radiographic

inspection 2.3. Penetrant

inspection 2.4. Magnetic particle

inspection 2.5. Eddy current

inspection 2.6. Ultrasonic inspection 2.7. Visual inspection 2.8. Other tests D. Corrosion

1. Basic cause of corrosion

2. Types of corrosion 3. Stress corrosion 4. Dissimilar metal

corrosion E. Corrosion control 1. Requirements for

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HOLY ANGEL UNIVERSITY COLLEGE OF ENGINEERING

Aeronautical Engineering Department

Course Outline

Prepared by: Engr. Arvin N. Gastardo Program Coordinator

3.2 Metal Selection

• Factor for metal selection.

• Requisite in aircraft structure.

• Material used in aircraft construction.

• Strength –weight ratio.

3.3 Ferrous Metal

• Steels and carbon steels

• Alloy & nickel steels

• Chromium &

chrome vanadium steels

• Chrome- molybdenum 3.4 Non-Ferrous Metal

• Aluminum &

aluminum alloys

• Magnesium alloys

• Casting, Forging &

Extrusion

(Oxyacetylene welding) 3.8. Welding Rods

and Electrodes 3.9. Rosette Welds 3.10. Heat-Treated

Members 3.11. Types of

Welding 3.12. Electric-

Resistance Welding 3.13. Brazing 4. Riveting

4.1. Two Major Types 4.2. Rivet

Replacement 4.3. Rivet Edge 4.4. 2117 Rivets 4.5. Solid Shank

Rivets 4.6. Blind Rivets

corrosion control 2. Cadmium plating 3. Metal spraying and

painting F. Special Protective Measures

1. Bonding connections 2. Control cables 3. Springs and metal

particles

4. Surface exposure &

acid proofing 5. Aluminum tubing G. Composite Materials

1. Properties 1.1. Mechanics 1.2. Resins

1.3. Categories of Fiber- Reinforced Composite Materials

1.4. Failure 1.5. Testing 2. Applications

H. Advance Aircraft Materials

VII. Course Requirements

1. 6quizzes

2. 3 major Exams (Prelims, Midterms, and Finals) VlII. Grading System

Midterm ave./Final ave. = 0.6(Class Standing) x 100% + 0.4(Exam/N) Class Standing = q

1

+q

2

+q

3

…… + q

n

+ p x 100%

T

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HOLY ANGEL UNIVERSITY COLLEGE OF ENGINEERING

Aeronautical Engineering Department

Course Outline

Prepared by: Engr. Arvin N. Gastardo Program Coordinator

Where:

n = number of quizzes

q

1

,q

2

,q

3

,…q

n

= raw scores obtained from quizzes

p = total raw scores obtained from assignments, boardworks/recitations and/or seatworks

T = sum of perfect scores

Exam = Total Ratings in Examinations (practical/written/project) N = number of exams

Passing Grade (50%) Transmutation Table

SCORE EQUIVALENT SCORE EQUIVALENT

100 100 78-79 87

99 99 76-77 86

98 98 74-75 85

97 97 72-73 84

96 96 70-71 83

94-95 95 68-69 82

92-93 94 66-67 81

90-91 93 64-65 80

88-89 92 62-63 79

86-87 91 59-61 78

84-85 90 56-58 77

82-83 89 52-55 76

80-81 88 50-51 75

GRADE EQUIVALENT GENERAL CLASSIFICATION

1.00 97 or over Excellent

1.25 94-96 Outstanding

1.50 91-93 Superior

1.75 88-90 Very Good

2.00 85-87 Good

2.25 82-84 Satisfactory

2.50 79-81 Fairly

2.75 76-78 Fair

3.00 75 Passed

5.00 Below 75 Failed

6.00 F.A. Failure due to absences

8.00 U.W. Unauthorized or unreported withdrawal

9.00 DRP Dropped with Permission

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