M6c3

a plastic resin matrix and reinforcing fibres of various materials.

are the most widely used resin types for aerospace adhesive and composite applications.

do not react with the solvents and dopes used for fabric coverings.

once cured , it cannot be become liquid again by heating .

lack rigidity not commonly used for aeronautical composite resins.

Have ambient temperature storage

the material’s has dielectric properties for manufacturing high speed radomes.

the original.

strength

strain hardening.

Strain hardening .

delamination.

●Tap test ●Ultrasonic inspection ●Radiography/ X ray ●Vibration method and ●Thermal imaging

Structural Repair Manual.

●Tensile ●Shear ●Cleavage and ●Peel .

for the structure.

is the name of the ability to support load without breaking.

is the ability of a material to withstand impact without shattering.

is the ability of a material to support a load without bending too much.

warp

‘A’ Glass

C’ Glass

D’ Glass

of glass.

Aramid fibres

Carbon fibres

High tensile strength and High compressive strength

high temperature application is required ,e.g. a firewall.

good fire/smoke toxicity performance.

Polyesters

strings or by use of fabric adhesives.

A laminate

animal or vegetable products and coal or petroleum by-products.

Tufnol

Sitka Spruce

Spruce

rate should be more than 6 rings per inch (25 mm).

fitting steel bushes.

annular rings.

a compression shake caused by compression load.

this may indicate glue deterioration .

soaking or steaming wood strips then clamping in a jig to set the bend.

tangential direction to the growth ring.

surface contamination with oil, wax or silicone products.

durability to adhesion

blush

Observation

usually caused by excessive dope film on new covering.

covered with tape.

60 Ib

pinking shears.