MATERIALS
MADE FROM SYNTHETIC MATERIAL SIMILAR TO RUG YARN, AND TREATED IN AN INERT ENVIROMENT AT TEMPATURES AROUND 3000°F. HAS LOW BENDING STIFFNESS AND MEASURES 0.0003 INCH IN DIAMETER.
WHAT IS CARBON FIBER
FILTER THAT IS 99.97% EFFICIENT AT THE 0.3 MICRON LEVEL.
HEPA FILTER (01-1A-21, 8-5a)
A TECHNIQUE FOR REMOVING TRAPPED AIR WHICH CAUSES POROUSITY IN A STANDARD WET LAYUP.
-PROVIDES BETTER RESIN CONTENT.
-DECREASE POROUSITY
-PROMOTES FIBER WETTING
WHAT IS DOUBLE VACUUM DEBULK (DVD) WET LAYUP PROCESS. (01-1A-21 5-1B.B3)
PENETREATIONS THAT OCCUR IN-FLIGHT WILL RESULT IN DAMAGES LARGER THAN THE ORIGINAL, DUE TO AIR FLOW LIFTING OUTER PLIES OF COMPOSITE CAUSING FURTHER DELAMINATION.
WHAT IS AIRSTREAM STRIPPING DAMAGE (01-1A-21, 3-2d)
USED TO REMOVE EXCESSIVE ADHESIVE FROM BONDING SURFACES.
ADHESIVE COMB (01-1A-21, 8-5f)
RESINS USED FOR MATRIX ON COMPOSITE COMPONENTS THAT CURE AT 350°F, WITH AN OPERATING TEMPATURE OF 250°F . COMMONLY USED ON NAVAL AIRCRAFT AND IN COMMERCIAL APPLICATIONS.
WHAT IS EPOXY RESINS.
THE MOST AFFECTIVE ABRASIVE MATERIAL FOR CUTTING AND SANDING CARBON FIBER.
WHAT IS SILICON CARBIDE. (01-1A-21, 6-4A.2.B)
THE EASIEST BONDED REPAIR JOINT TO FABRICATE, LIMITED BY ECCENTRIC LOAD WHICH CAN CAUSE INTERLAMINAR FAILURE OR PREMATURE FAILURE OF THE ADHESIVE. ARE ABLE TO BE DONE ON HONEYCOMB PANELS.
WHAT IS EXTERNAL BONDED PATCH. (01-1A-21 4-3A.1)
DAMAGE THAT STEMS FROM EXCESSIVE HEAT OR A CHEMICAL ATTACK
RESIN DAMAGE (01-1A-21, 3-2g)
USES HIGH FREQUENCY SOUND WAVES TRANSMITTED BY A TRANSDUCER. WITH A LIQUID COUPLANT TO ELIMINATE AIR GAPS BETWEEN THE TRANSDUCER AND THE PART.
ULTRASONICS (01-1A-21, 3-3c.3)
A TWO PART EPOXY BASED MATERIAL USED FOR SMOOTHENING EXTERIOR AIRCRAFT SURFACES. LIMITED TO NON-STRUCTURAL APPLICATIONS.
WHAT IS AERODYNAMIC FILLER.
AIR FILTER THAT IS 99.97% EFFICIENT AT THE 0.3 MICRON LEVEL.
WHAT IS A HEPA FILTER (01-1A-21, 8-5a)
IF A PATCH HAS LESS STIFFNESS THAN A SURROUNDING STRUCTURE, ie. FIBERGLASS PATCH ON A CARBON FIBER STRUCTURE. IT MAY OVERLOAD THE SURROUNDING STRUCTURE. ATTENTION MUST BE GIVEN TO THIS REPAIR CRITERIA.
LOAD PATH CHANGES (01-1A-21, 4-1b.4)
A METHOD USED TO DETECT DISBONDS/DELAMINATIONS IN HONEYCOMB SANDWHICH WITH THIN COMPOSITE SKIN.
WHAT IS THE COIN TAP METHOD (01-1A-21, 3-3c.2)
DETRIMENTAL TO WEIGHT CRITICAL FLIGHT CONTROL SURFACES, DAMAGE OCCURS WHEN FLUID LEAKS INTO HONEYCOMB CELLS. IS A MAJOR CONCERN DURING TEMPERATURE CURING IN BONDING REPAIRS
FLUID INTRUSION (01-1A-21, 3-2i)
MADE BY ADHERING THIN RIBBONS OF MATERIALS TO FORM HEXAGONAL CELLS, MADE FROM EITHER METALLIC OR NON-METALLIC MATERIALS.
WHAT IS HONEYCOMB CORE.
DRILL BIT DESIGNED TO MINIMIZE EXIT SIDE BREAKOUT, MUST BE USED WITH ALIGN-A-DRILL WHEN DRILLING BLIND HOLES.
DAGGER DRILL (01-1A-21, 8-3f.1a)
FIBERS LAID IN A SPECIFIC PATTERN UPON EACH OTHER TO ALLOW THE PANEL/REPAIR TO CARRY LOAD AND MAINTAIN IT'S STIFFNESS.
WHAT IS PLY ORIENTATION. (01-1A-21, 6-7B.D
DELAMINATIONS THAT OCCUR AT MULTIPLE DEPTHS, USUALLY CONSISTING OF INTER AND INTRA PLY MATRIX CRACKS. CAUSED BY TREES, UNATTENTIVE LANCE CORPORALS DRIVING BOX TRUCKS, AND LANCE CORPORALS WHO ACT LIKE THIS JOB IS A JOKE AND DROPS 2 MAIN ROTOR CUFFS (MISHANDLING OF GEAR).
IMPACT RELATED DELAMINATIONS (01-1A-21, 3-2a)
A MECHANICAL FASTENER USED TO PREVENT POTENTIAL PULLING OF FASTENER THROUGH HOLE.
COMPOSI-LOK (01-1A-21, 5-1d)
NEEDED FOR REPAIRS REQUIRING COMFORMITY OF COMPLEX CONTOURS AND SUBSTRUCTURE DETAILS.
WHAT IS 8 HARNESS SATIN WEAVE.
A TWO SET KIT USED TO MANAGE VACUUM AND HEAT TO PEFORM BONDED REPAIRS IN A FIELD LEVEL ENVIROMENT.
COMPOSITE REPAIR SET, TEMPATURE/VACUUM CONTROLLER (01-1A-21, 8-6a)
MATERIALS REQUIRED FOR THE REPAIR TO ADHERE ON TO THE PART, THEY DO NOT BECOME PART OF THE REPAIR AND CAN BE REMOVED AND DISCARDED AFTER.
WHAT IS UNINCORPORATED MATERIALS (ANCILLARY). (01-1A-21, 5-3)
CHARACTERIZED BY BROKEN/FRAYED FIBERS, CRACKS IN THE MATRIX, AND DELMAINATIONS
WHAT IS PENETRATION DAMAGE (01-1A-21, 3-2c)
OPENING A SEALED BAG OF FILM AND FOAMING ADHESIVES BEFORE IT HAS REACHED ROOM TEMPATURE WILL CAUSE WHAT.
WILL RESULT IN EXCESSIVE BONDLINE POROUSITY AND REDUCED STRENGTH WHEN CURED. (01-1A-21, 5-5b)