MIL-HDBK-17-2F Volume 2,Chapter 4 Carbon Fiber Composites 4.2.2 HITEX 33 6k/E7K8 unidirectional tape Material Description: Material: HITEX 33-6k/E7K8 Form: Unidirectional tape,fiber areal weight of 145 g/m,typical cured resin content of 34% typical cured ply thickness of 0.0057 inches. Processing: Autoclave cure;300-310F,55 psi for 2 hours.Low exotherm profile for processing of thick parts. General Supplier Information: Fiber: HITEX 33 fibers are continuous carbon filaments made from PAN precursor.Filament count is 6,000 filaments/tow.Typical tensile modulus is 33 x 10 psi.Typical tensile strength is 560,000 psi.Good drape. Matrix: E7K8 is a medium flow,low exotherm epoxy resin.Good tack;up to 20 days out-time at ambient temperature Maximum Short Term Service Temperature:300F(dry),190F(wet) Typical applications:Primary and secondary structural applications on commercial and military aircraft, jet engine applications such as stationary airfoils and thrust reverser blocker doors. 4-6
MIL-HDBK-17-2F Volume 2, Chapter 4 Carbon Fiber Composites 4-6 4.2.2 HITEX 33 6k/E7K8 unidirectional tape Material Description: Material: HITEX 33-6k/E7K8 Form: Unidirectional tape, fiber areal weight of 145 g/m2 , typical cured resin content of 34% typical cured ply thickness of 0.0057 inches. Processing: Autoclave cure; 300-310°F, 55 psi for 2 hours. Low exotherm profile for processing of thick parts. General Supplier Information: Fiber: HITEX 33 fibers are continuous carbon filaments made from PAN precursor. Filament count is 6,000 filaments/tow. Typical tensile modulus is 33 x 106 psi. Typical tensile strength is 560,000 psi. Good drape. Matrix: E7K8 is a medium flow, low exotherm epoxy resin. Good tack; up to 20 days out-time at ambient temperature Maximum Short Term Service Temperature: 300°F (dry), 190°F (wet) Typical applications: Primary and secondary structural applications on commercial and military aircraft, jet engine applications such as stationary airfoils and thrust reverser blocker doors
MIL-HDBK-17-2F Volume 2,Chapter 4 Carbon Fiber Composites 4.2.2 HITEX 33 6k/E7K8 unidirectional tape* C/Ep 145-UT MATERIAL: HITEX 33 6k/E7K8 unidirectional tape HITEX 33/E7K8 Summary FORM: U.S.Polymeric HITEX 33 6k/E7K8 unidirectional tape,grade 145 prepreg FIBER: Hitco HITEX 33 6k,no twist MATRIX: U.S.Polymeric E7K8 Tg(dry): Tg(wet): Ta METHOD: PROCESSING:Autoclave cure:300-310F,120-130 min.,55 psi DATA WERE SUBMITTED BEFORE THE ESTABLISHMENT OF DATA DOCUMENTATION REQUIREMENTS (JUNE 1989).ALL DOCUMENTATION PRESENTLY REQUIRED WERE NOT SUPPLIED FOR THIS MATERIAL. Date of fiber manufacture Date of testing Date of resin manufacture Date of data submittal 1/83 Date of form manufacture Date of analysis 1/93 Date of composite manufacture LAMINA PROPERTY SUMMARY 75F1A -65F/A 180F/A 75F/W 180FW Tension,1-axis SSSS SS-S SSS- SSS- Tension,2-axis s$-- Tension,3-axis Compression,1-axis SS-S SS-S SS-- SS-- Compression,2-axis Compression,3-axis Shear,12-plane S--- S--- $--- S-- Shear,23-plane Shear,31-plane Classes of data in Strength/Modulus/Poisson's Ratio/Strain-to-Failure order:A A75,a A55,B=B30,b=B18,M Mean,I Interim,s=Screening,-no data (See Table 1.4.2(c)) 4-7
MIL-HDBK-17-2F Volume 2, Chapter 4 Carbon Fiber Composites 4-7 4.2.2 HITEX 33 6k/E7K8 unidirectional tape* C/Ep 145-UT MATERIAL: HITEX 33 6k/E7K8 unidirectional tape HITEX 33/E7K8 Summary FORM: U.S. Polymeric HITEX 33 6k/E7K8 unidirectional tape, grade 145 prepreg FIBER: Hitco HITEX 33 6k, no twist MATRIX: U.S. Polymeric E7K8 Tg(dry): Tg(wet): Tg METHOD: PROCESSING: Autoclave cure: 300 - 310°F, 120 - 130 min., 55 psi ∗ DATA WERE SUBMITTED BEFORE THE ESTABLISHMENT OF DATA DOCUMENTATION REQUIREMENTS (JUNE 1989). ALL DOCUMENTATION PRESENTLY REQUIRED WERE NOT SUPPLIED FOR THIS MATERIAL. Date of fiber manufacture Date of testing Date of resin manufacture Date of data submittal 1/83 Date of form manufacture Date of analysis 1/93 Date of composite manufacture LAMINA PROPERTY SUMMARY 75°F/A -65°F/A 180°F/A 75°F/W 180°F/W Tension, 1-axis SSSS SS-S SSS- SSSTension, 2-axis SS-- Tension, 3-axis Compression, 1-axis SS-S SS-S SS-- SS-- Compression, 2-axis Compression, 3-axis Shear, 12-plane S--- S--- S--- S--- Shear, 23-plane Shear, 31-plane Classes of data in Strength/Modulus/Poisson’s Ratio/Strain-to-Failure order: A = A75, a = A55, B = B30, b = B18, M = Mean, I = Interim, S = Screening, - = no data (See Table 1.4.2(c))
MIL-HDBK-17-2F Volume 2,Chapter 4 Carbon Fiber Composites DATA WERE SUBMITTED BEFORE THE ESTABLISHMENT OF DATA DOCUMENTATION REQUIREMENTS (JUNE 1989).ALL DOCUMENTATION PRESENTLY REQUIRED WERE NOT SUPPLIED FOR THIS MATERIAL. Nominal As Submitted Test Method Fiber Density (g/cm) 1.80 Resin Density (g/cm) 1.27 Composite Density (g/cm3) 1.59 1.56-1.61 Fiber Areal Weight (g1m3) 145 Fiber Volume (%) 58.0 57-64 Ply Thickness (in) 0.0057 0.0053-0.0058 LAMINATE PROPERTY SUMMARY Classes of data in Strength/Modulus/Poisson's Ratio/Strain-to-Failure order:A=A75,a A55,B=B30,b=B18,M Mean,I Interim,s Screening,-no data (See Table 1.4.2(c)) 4-8
MIL-HDBK-17-2F Volume 2, Chapter 4 Carbon Fiber Composites 4-8 ∗ DATA WERE SUBMITTED BEFORE THE ESTABLISHMENT OF DATA DOCUMENTATION REQUIREMENTS (JUNE 1989). ALL DOCUMENTATION PRESENTLY REQUIRED WERE NOT SUPPLIED FOR THIS MATERIAL. Nominal As Submitted Test Method Fiber Density (g/cm3 ) 1.80 Resin Density (g/cm3 ) 1.27 Composite Density (g/cm3 ) 1.59 1.56 - 1.61 Fiber Areal Weight (g/m2 ) 145 Fiber Volume (%) 58.0 57 - 64 Ply Thickness (in) 0.0057 0.0053 - 0.0058 LAMINATE PROPERTY SUMMARY Classes of data in Strength/Modulus/Poisson’s Ratio/Strain-to-Failure order: A = A75, a = A55, B = B30, b = B18, M = Mean, I = Interim, S = Screening, - = no data (See Table 1.4.2(c))
MIL-HDBK-17-2F Volume 2,Chapter 4 Carbon Fiber Composites DATA WERE SUBMITTED BEFORE THE ESTABLISHMENT OF DATA DOCUMENTATION REQUIREMENTS (JUNE 1989).ALL DOCUMENTATION PRESENTLY REQUIRED WAS NOT SUPPLIED FOR THIS MATERIAL. MATERIAL: HITEX 33 6k/E7K8 unidirectional tape Table 4.2.2(a) C/Ep 145-UT RESIN CONTENT: 34wt% COMP:DENSITY: 1.58g/cm3 HITEX 33/E7K8 FIBER VOLUME: 58% VOID CONTENT: 0.0% Tension,1-axis PLY THICKNESS: 0.0057in. [0]10 75/A,-65/A,75/1.5% TEST METHOD: MODULUS CALCULATION: Screening ASTM D 3039-76 NORMALIZED BY: Fiber volume to 60%(0.0057 in.CPT) Temperature (F) 75 -65 75 Moisture Content(%)】 ambient ambient 1.5 Equilibrium at T.RH (1) Source Code 20 20 20 Normalized Measured Normalized Measured Normalized Measured Mean 313 304 296 288 318 310 Minimum 292 283 267 259 280 272 Maximum 339 330 327 319 345 335 c.V.(%) 4.80 4.84 9.19 9.20 7.63 7.65 B-value (2) 2) (2) (2) (2) (2) Fu Distribution Weibull Weibull Normal Normal Normal Normal (ksi) C1 320 311 296 288 318 310 C2 22.2 21.9 27.2 26.5 24.3 23.7 No.Specimens 20 5 5 No.Batches 1 Data Class Screening Screening Screening Mean 18.2 17.7 18.5 18.0 18.5 18.0 Minimum 17.5 17.0 18.1 17.7 18.3 17.8 Maximum 19.0 18.5 18.6 18.1 18.7 18.2 E时 C.V.(%) 2.58 2.60 1.06 1.07 0.79 0.79 (Msi) No.Specimens 18 No.Batches Data Class Screening Screening Screening Mean 0.310 0.310 No.Specimens 啦 No.Batches Data Class Screening Screening Mean 15900 16100 Minimum 15200 15500 Maximum 17100 17000 C.V.(%) 4.81 3.61 B-value (2) (2) e Distribution Normal Normal (LE) C 15900 16200 C2 765 582 No.Specimens 5 5 No.Batches 1 1 Data Class Screening Screening (1) Conditioned for 14 days at 160F,85%RH. (2) Basis values are presented only for A and B data classes. 4-9
MIL-HDBK-17-2F Volume 2, Chapter 4 Carbon Fiber Composites 4-9 ∗ DATA WERE SUBMITTED BEFORE THE ESTABLISHMENT OF DATA DOCUMENTATION REQUIREMENTS (JUNE 1989). ALL DOCUMENTATION PRESENTLY REQUIRED WAS NOT SUPPLIED FOR THIS MATERIAL. MATERIAL: HITEX 33 6k/E7K8 unidirectional tape Table 4.2.2(a) C/Ep 145-UT RESIN CONTENT: 34 wt% COMP: DENSITY: 1.58 g/cm3 HITEX 33/E7K8 FIBER VOLUME: 58 % VOID CONTENT: 0.0% Tension, 1-axis PLY THICKNESS: 0.0057 in. [0]10 75/A, -65/A, 75/1.5% TEST METHOD: MODULUS CALCULATION: Screening ASTM D 3039-76 NORMALIZED BY: Fiber volume to 60% (0.0057 in. CPT) Temperature (°F) 75 -65 75 Moisture Content (%) ambient ambient 1.5 Equilibrium at T, RH (1) Source Code 20 20 20 Normalized Measured Normalized Measured Normalized Measured Mean 313 304 296 288 318 310 Minimum 292 283 267 259 280 272 Maximum 339 330 327 319 345 335 C.V.(%) 4.80 4.84 9.19 9.20 7.63 7.65 B-value (2) (2) (2) (2) (2) (2) Ftu 1 Distribution Weibull Weibull Normal Normal Normal Normal (ksi) C1 320 311 296 288 318 310 C2 22.2 21.9 27.2 26.5 24.3 23.7 No. Specimens 20 5 5 No. Batches 1 1 1 Data Class Screening Screening Screening Mean 18.2 17.7 18.5 18.0 18.5 18.0 Minimum 17.5 17.0 18.1 17.7 18.3 17.8 Maximum 19.0 18.5 18.6 18.1 18.7 18.2 Et 1 C.V.(%) 2.58 2.60 1.06 1.07 0.79 0.79 (Msi) No. Specimens 18 5 5 No. Batches 1 1 1 Data Class Screening Screening Screening Mean 0.310 0.310 No. Specimens 5 5 ν 12 t No. Batches 1 1 Data Class Screening Screening Mean 15900 16100 Minimum 15200 15500 Maximum 17100 17000 C.V.(%) 4.81 3.61 B-value (2) (2) ε 1 tu Distribution Normal Normal (µε) C1 15900 16200 C2 765 582 No. Specimens 5 5 No. Batches 1 1 Data Class Screening Screening (1) Conditioned for 14 days at 160°F, 85% RH. (2) Basis values are presented only for A and B data classes
MIL-HDBK-17-2F Volume 2,Chapter 4 Carbon Fiber Composites DATA WERE SUBMITTED BEFORE THE ESTABLISHMENT OF DATA DOCUMENTATION REQUIREMENTS (JUNE 1989).ALL DOCUMENTATION PRESENTLY REQUIRED WAS NOT SUPPLIED FOR THIS MATERIAL. MATERIAL: HITEX 33 6k/E7K8 unidirectional tape Table 4.2.2(b) C/Ep 145-UT RESIN CONTENT: 34wt% COMP:DENSITY: 1.58g/cm3 HITEX 33/E7K8 FIBER VOLUME: 58% VOID CONTENT: 0.0% Tension,1-axis PLY THICKNESS: 0.0057in. [0]10 180/1.5% TEST METHOD: MODULUS CALCULATION: Screening ASTM D 3039-76 NORMALIZED BY: Fiber volume to 60%(0.0057 in.CPT) Temperature (F) 180 Moisture Content(%)】 1.5 Equilibrium at T.RH (1) Source Code 20 Normalized Measured Normalized Measured Normalized Measured Mean 308 300 Minimum 296 288 Maximum 318 309 C.V.(%) 2.65 2.65 B-value (2) (2) E Distribution Normal Normal (ksi) C1 308 300 C2 8.17 7.95 No.Specimens 5 No.Batches 1 Data Class Screening Mean 18.7 18.2 Minimum 17.8 17.3 Maximum 19.5 19.0 E时 C.V.(%) 3.64 3.65 (Msi) No.Specimens No.Batches Data Class Screening Mean 0.300 No.Specimens 啦 No.Batches Data Class Screening Mean Minimum Maximum C.V.(%) B-value e” Distribution (LE) Ci C2 No.Specimens No.Batches Data Class (1) Conditioned for 14 days at 160F,85%RH. (2) Basis values are presented only for A and B data classes. 4-10
MIL-HDBK-17-2F Volume 2, Chapter 4 Carbon Fiber Composites 4-10 ∗ DATA WERE SUBMITTED BEFORE THE ESTABLISHMENT OF DATA DOCUMENTATION REQUIREMENTS (JUNE 1989). ALL DOCUMENTATION PRESENTLY REQUIRED WAS NOT SUPPLIED FOR THIS MATERIAL. MATERIAL: HITEX 33 6k/E7K8 unidirectional tape Table 4.2.2(b) C/Ep 145-UT RESIN CONTENT: 34 wt% COMP: DENSITY: 1.58 g/cm3 HITEX 33/E7K8 FIBER VOLUME: 58 % VOID CONTENT: 0.0% Tension, 1-axis PLY THICKNESS: 0.0057 in. [0]10 180/1.5% TEST METHOD: MODULUS CALCULATION: Screening ASTM D 3039-76 NORMALIZED BY: Fiber volume to 60% (0.0057 in. CPT) Temperature (°F) 180 Moisture Content (%) 1.5 Equilibrium at T, RH (1) Source Code 20 Normalized Measured Normalized Measured Normalized Measured Mean 308 300 Minimum 296 288 Maximum 318 309 C.V.(%) 2.65 2.65 B-value (2) (2) Ftu 1 Distribution Normal Normal (ksi) C1 308 300 C2 8.17 7.95 No. Specimens 5 No. Batches 1 Data Class Screening Mean 18.7 18.2 Minimum 17.8 17.3 Maximum 19.5 19.0 Et 1 C.V.(%) 3.64 3.65 (Msi) No. Specimens 5 No. Batches 1 Data Class Screening Mean 0.300 No. Specimens 5 ν 12 t No. Batches 1 Data Class Screening Mean Minimum Maximum C.V.(%) B-value ε 1 tu Distribution (µε) C1 C2 No. Specimens No. Batches Data Class (1) Conditioned for 14 days at 160°F, 85% RH. (2) Basis values are presented only for A and B data classes