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JORGE NASSEH

JORGE NASSEH

SANDWICH CORE CONSTRUCTION

POLYVINYLCHLORIDE FOAM (PVC) POLYSTYRENE FOAM (PS) POLYMETHACRYLIMIDE FOAM (PMI) POLYETHYLENE TEREPHTHALATE FOAMS (PET) STYRENE ACRYLONITRILE FOAMS (SAN)

FOAM CORE MATERIALS

JORGE NASSEH

Jorge Nasseh

ESTIMATION OF SURFACE RESIN UPTAKE

WR = (WAI – WBI) / 2

WR: TOTAL RESIN UPTAKE WAI: CORE WEIGHT AFTER INFUSION

WBI: CORE WEIGHT BEFORE INFUSION

JORGE NASSEH

0

20

40

60

80

100

120

140

PVC60_A PVC 60 B PVC 60 C PVC 60 D PVC 60 E PVC 60 F PVC 60 G PVC 60 H PVC 60 I PVC 60 J SAN 60 A PVC 80 A PVC 80 B PVC 100 A PET 80 A PET 80 B PET 80 C PET 100 D PMI A PSE A

KG

/M3

SAMPLE TYPE

SAMPLE DENSITY KG/M3

JORGE NASSEH

TEST METHODOLOGY

JORGE NASSEH

JORGE NASSEH

JORGE NASSEH

Jorge Nasseh JORGE NASSEH

Jorge Nasseh JORGE NASSEH

SAMPLE PANELS FABRICATION GOPRO MOVIE

JORGE NASSEH

0

500

1000

1500

2000

2500

PVC60_A PVC 60 B PVC 60 C PVC 60 D PVC 60 E PVC 60 F PVC 60 G PVC 60 H PVC 60 I PVC 60 J SAN 60 A PVC 80 A PVC 80 B PVC 100 A PET 80 A PET 80 B PET 80 C PET 100 D PMI A PSE A

RES

IN U

PTA

KE

G/M

2

SAMPLE TYPE

RESIN UPTAKE KG/M2 (BOTH FACES)

JORGE NASSEH

0

200

400

600

800

1000

1200

1400

1600

PVC60_A PVC 60 B PVC 60 C PVC 60 D PVC 60 E PVC 60 F PVC 60 G PVC 60 H PVC 60 I PVC 60 J

G/M

2

SAMPLE TYPE

RESIN UPTAKE PVC 60 KG/M3

JORGE NASSEH

0

100

200

300

400

500

600

700

800

PVC 60_1 PVC 60_2 PVC 60_3 PVC 60_4 PVC 60_5 PVC 60_6 PVC 60_7 PVC 60_8 PVC 60_9 PVC 60_10

MIC

RO

NS

CORE TYPE

CELL SIZE PVC 60 KG/M3

JORGE NASSEH

0

200

400

600

800

1000

1200

1400

1600

PVC60_A PVC 60 B PVC 60 C PVC 60 D PVC 60 E PVC 60 F PVC 60 G PVC 60 H PVC 60 I PVC 60 J

G/M

2

SAMPLE TYPE

RESIN UPTAKE PVC X CELL SIZE 60 KG/M3

JORGE NASSEH

NOMINAL X INFUSED DENSITY

0

20

40

60

80

100

120

140

160

180

200

PVC 60 PVC 80 PVC 100 PET 80 PET 100 SAN 60 PMI 40 PS 50

KG

/M3

CORE TYPE

DENSITY INFUSED DENSITY

JORGE NASSEH

COMPRESSION PROPERTIES

JORGE NASSEH

SUMMARY SPECIFIC COMPRESSION STRENGTH

0,000

0,005

0,010

0,015

0,020

0,025

PVC 60 PVC 80 PVC 100 PET 80 PET 100 SAN 60 PMI 40 PS 50

SPEC

IFIC

CO

MP

STR

ENG

TH

CORE TYPE

DENSITY INFUSED DENSITY

JORGE NASSEH

SUMMARY SPECIFIC COMPRESSION MODULUS

0,00

0,20

0,40

0,60

0,80

1,00

1,20

1,40

1,60

PVC 60 PVC 80 PVC 100 PET 80 PET 100 SAN 60 PMI 40 PS 50

SPEC

IFIC

CO

MP

STR

ENG

TH

CORE TYPE

DENSITY INFUSED DENSITY

JORGE NASSEH

SHEAR PROPERTIES

JORGE NASSEH

SUMMARY SPECIFIC SHEAR STRENGHT

0,000

0,002

0,004

0,006

0,008

0,010

0,012

0,014

0,016

0,018

PVC 60 PVC 80 PVC 100 PET 80 PET 100 SAN 60 PMI 40 PS 50

SPEC

IFIC

CO

MP

STR

ENG

TH

CORE TYPE

DENSITY INFUSED DENSITY

JORGE NASSEH

SUMMARY SPECIFIC SHEAR MODULUS

0,00

0,10

0,20

0,30

0,40

0,50

0,60

PVC 60 PVC 80 PVC 100 PET 80 PET 100 SAN 60 PMI 40 PS 50

SPEC

IFIC

CO

MP

STR

ENG

TH

CORE TYPE

DENSITY INFUSED DENSITY

JORGE NASSEH

COST PROPERTIES

JORGE NASSEH

0,00

0,20

0,40

0,60

0,80

1,00

1,20

1,40

1,60

PVC 60 PVC 80 PVC 100 PET 80 PET 100 SAN 60 PMI 40 PS 50

U$

SH

EAR

STE

RN

GH

T

CORE TYPE

NORMALIZED SHEAR STRENGTH COST x INFUSED DENSITY

JORGE NASSEH

SUMMARY SHEAR COST 50-60 KG/M3 DENSITY

0,00

0,50

1,00

1,50

2,00

2,50

3,00

PVC 60 PET 80 SAN 60 PMI 40 PS 50

U$

SH

EAR

STR

ENG

HT

CORE TYPE

DENSITY INFUSED DENSITY

JORGE NASSEH