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PRELIM AAMT 2-10 > AMT 2106 > Flashcards

AMT 2106 Flashcards

1
Q

The term composite is used to describe two or more materials that are combined to form a structure that is much stronger than the individual components.

A

Composite Structure

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2
Q

2 composite elements

A

Matrix and Reinforcing Materials

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3
Q

It is a solid form that provides the primary structural strength to the composite structure when combined in a matrix.

A

Reinforcing Materials

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3
Q

It is generally in a liquid form that serves as a bonding substance.

A

Matrix

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4
Q

This manual was developed by the aircraft manufacturers that include information prepared for the AMT or technicians who perform work on units, components and systems while they are installed on the airplane.

A

AIRCRAFT MAINTENANCE MANUAL

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5
Q

a chemical additives that quicken cure, or chemical reactions.

A

ACCELERATOR

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6
Q

A material that is mixed into a two –part resin system to improve the properties of the systems.

A

ADDITIVES

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7
Q

A substance that is applied to two mating surfaces to bond them together by surface attachments.

A

ADHESIVES

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8
Q

Federal Aviation Administration

A

FAA

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9
Q

It provides the primary structural strength to the composite structure when combined with a matrix. Reinforcing fibers can be used in conjunction with

A

Reinforcing Materials

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10
Q

Nondestructive Testing

A

NDT

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11
Q

Fiber Reinforced Plastic

A

FRP

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12
Q

Aircraft Maintenance Manual

A

AMM

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12
Q

Material Safety Data Sheet

A

MSDS

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12
Q

Nondestructive Inspections

A

NDI

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12
Q

Structural Repair Manual

A

SRM

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13
Q

Polyvinyl chloride

A

PVC

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14
Q

ADVANTAGES OF USING A COMPOSITE

A
  1. High strength to weight ratio
  2. Flexible
  3. Can resist high vibrations
  4. Do not corrode
  5. Reduced wear
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14
Q

Reinforcing fibers provide the primary structural strength to the composite structure when combined with a matrix.

A

REINFORCING MATERIALS

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15
Q

TYPES OF REINFORCING MATERIALS

A
  1. FIBERGLASS
  2. ARAMID
  3. CARBON/GRAPHITE
  4. BORON
  5. CERAMIC
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16
Q

Is made from small strands of molten silica glass that are spun together and woven into cloth.

A

Fiberglass

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17
Q

What are types of Reinforcing Materials

A
  • Fiberglass
  • Aramid
  • Carbon/Graphite
  • Boron
  • Ceramic
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18
Q

Is made from small strands of molten silica glass that are spun together and woven into cloth. Many different weaves of fiberglass are available, depending on the particular application.

A

Fiberglass

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19
Q

Advantage of fiberglass

A

Widely available low cost make fiberglass one of the most popular reinforcing fibers.

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20
Q

Types Of Fiberglass

A
  • E - Glass
  • S - Glass
  • C - Glass
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21
Q

Usually characterized by its yellow color, light weight, tensile strength, and remarkable flexibility.

A

Aramid

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22
Q

It used to describe two or more materials that are combined to form a structure that is much stronger than the individual components.

A

Composite

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23
Q
A
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24
Q

It weighs more and has less strength than most other composite fibers.

A

Disadvantagef fiber glass

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25
Q

3 common types of Fiberglass

A
  1. E-GLASS
  2. S-GLASS
  3. C-GLASS
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25
Q

a chemical additives that quicken cure, or chemical reactions.

A

Accelerator

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26
Q

a material that are mixed into a two-part resin system to improve the properties of the systems

A

Additives

27
Q

a substance that is applied to two mating surfaces to bond them together by surface attachments.

A

Adhesives

28
Q

Fibrous materials embedded in a resin matrix. The term ADVANCED applied to those materials, which have superior strength and stiffness and the process in which they are manufactured.

A

Advanced Composites

29
Q

the weight of the fiber reinforcement per unit area of tape of fabric

A

Area Weight-

30
Q

a manual developed BY THE COMPONENT manufacturer and frequently adopted by the FAA. Blanket approval comes through the AMM and SRM.

A

Component Maintenance Manual (CMM)

31
Q

defined in FAA AC 4-214. A combination of two or more materials (reinforcing elements, fillers, and composite matrix binder), identities that do not dissolve or otherwise merge completely into one identified and exhibit an interface between one another.

A

Composite

32
Q

The resistance to resist the crushing force.

A

Compressive Strength

33
Q

an impurity of foreign substance present in the materials or environment that affects one or more properties of the materials, particularly adhesion.

A

Contaminant

34
Q

a compression damage of the core.

A

Core Crush

35
Q

to change the physical properties of the material by chemical reaction, by the application of catalyst, heat and pressure, alone or in combination.

A

Cure

36
Q

individual fibers woven together to produce cloth.

A

Fabric

37
Q

single strands of materials used reinforcement because of its high strength and stiffness.

A

Fiber

38
Q

a required document which is produced by the manufacturer. It has the parts and their part numbers exploded for identification.

A

Illustrated Parts Catalog-

39
Q

one fabric resin layer that is bonded to adjacent layers in the curing process.

A

Laminate

40
Q

persons performing a repair or alteration under parts 121 and 135. Or repair stations certificated under part 145. As used in this AC, this term includes Maintenance Repair Organization (MRO), certificated repair stations (CRS) and operators’ maintenance facilities.

A

Maintenance Organization (MO)

41
Q

the alignment of the fibers to the baseline set by the manufacturer for the perpendicular component.

A

Orientation

42
Q

the length of time that the resin, mixed with catalyst will be in a workable state.

A

Pot-Life

42
Q

a manual which was developed by the manufacturer to cover all items not listed as minor maintenance, including instructions for structural repair, major component removal, installation and adjustment set up.

A

Structural Repair Manual

43
Q

the cumulative length of time a material may be out of freezer storage,prior to curing, and still maintain the required processability characteristics and mechanical properties. Also known as a limit on the amount of accumulated out time before further action needs to be taken to ensure the raw material is still usable (also known as work life).

A

Out Life

43
Q

the life span that a product will remain useful, and in FAA AC 43-214 define shelf life as the length of time a raw material may be in storage under specific conditions and still meet the requirements of the applicable material specification, also known as storage life.

A

Shelf Life

44
Q

CAAP

A

Civil Aviation Authority of the Philippines

45
Q

Army’s Advanced Composite Airframe Program

A

ACAP

46
Q

FRP

A

Fiber Reinforced Plastic

47
Q

MSDS

A

Material Safety Data Sheet

47
Q

NDI

A

Non Destructive Inspection

47
Q

NDT

A

Nondestructive Testing

48
Q

APPLICATION OF COMPOSITE PLASTICS

A
  1. Fairings
  2. Flight control surfaces
  3. Landing gear doors
  4. L&T panels on the wing and stabilizers
  5. Interior components
  6. Floor beams & floor boards
  7. H&V stabilizers primary structures on the large A/C
  8. Primary wing and fuselage structures on new generation large aircraft
  9. Turbine engine fan blades
  10. propellers
48
Q

PVC

A

Poly Vinyl Chloride

49
Q

Reinforcing fibers provide the primary structural strength to the composite structure when combined with a matrix.

A

REINFORCING MATERIALS

50
Q

can be used in conjunction with one another (hybrids), woven into specific patterns (fiber science), combined with other materials such as rigid foams (sandwich structures), or simply used in combination with various matrix materials.

A

Reinforcing fibers

51
Q

TYPES OF REINFORCING MATERIALS

A
  1. Fiberglass
  2. Aramid
  3. Carbon/Graphite—- most common types of reinforcing fibers
  4. Boron
  5. Ceramic
52
Q

or electric glass; is a borosilicate glass commonly used for reinforcement because of its low cost and good strength characteristics.

A

E-GLASS

53
Q

is a magnesia-silicate glass that it’s up to 40 percent stronger than the e-glass and retains its strength characteristic at higher temperature

A

S-GLASS

54
Q

an ideal material for use in aircraft parts that are subject to high stress and vibration.

A

Aramid

55
Q

it is very light compared to other composite materials.

A

S-GLASS

56
Q

is used in materials that require chemical resistance

A

C-GLASS

57
Q

usually characterized by its yellow color, light weight, tensile strength , and remarkable flexibility.

A

ARAMID

58
Q

Grade of Kevlar Fibers

A

Kevlar grade 49
Kevlar grade 29
Kevlar grade 129

59
Q

usually characterized by its yellow color, light weight, tensile strength , and remarkable flexibility.

A

Kevlar

60
Q

ADVANTAGE OF ARAMID

A
  • Aramid is an ideal material for use in aircraft parts that are subject to high stress and vibration.
  • Another important advantage is its strength-to-weight ratio; it is very light compared to other composite

materials.
- Flexible

61
Q

Composite structures manufactured in this manner are sometimes referred to as ____?

A

sandwich construction.

61
Q

DISADVANTAGE OF ARAMID

A
  • The high strength of these materials can cause a problem when Aramid structures are subjected to repair.
  • Although it exhibits a great tensile strength , it does not have as much compressive strength eat tensile strength , it does not have as much compressive strength
62
Q

Manufacturers construct honeycomb from the ff:

A

Aluminum
Kevlar
Carbon
Fiberglass
Paper
Steel

63
Q

Two most common types of core materials utilized in sandwich construction:

A

Honeycomb AND Nomex

64
Q

Is a direction in which the honeycomb can be pulled apart. Pulling one side of the honeycomb that is perpendicular to the ribbon direction separates it, revealing the ribbon direction. If the pull is parallel to the ribbon, it is nearly impossible to tear the honeycomb.

A

Ribbon Direction

65
Q
A
66
Q
A

PRELIM AAMT 2-10 (5 decks)

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