Image maker ppt
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The document describes various methods for manufacturing and testing composite materials and structures. It discusses winding fibers onto a mandrel to create cylinders, using different fiber volume fractions, winding angles, and stacking sequences. It also describes testing composite samples in a hot oil bath to simulate aging, and using finite element analysis to model and optimize composite designs by varying parameters like element type, material properties, layers, and applying boundary conditions and loads.
Image maker ppt
- 1. Axis of Rotation of mandrel Traversing carriage Resin- impregnated fiber Mandrel Threaded Port Liner Helical winding Hoop winding
- 2. Split disk holding part Pin Split disk upper half Split disk lower half Lock Pin Grip nut
- 3. Grip nut Split disk holding part Lock Pin Pin Split disk upper half Split disk upper half HTS test specimen PVC liner
- 7. HTS sample PVC lin Ø198 Ø206 2 3 Ø192 Ø198 2 3
- 8. HTS TEST SPECIMEN PVC LINER φ198 23 φ192 φ198 φ206 FIXTURE FOR PECIMEN HOLDING UPPER CROSS HEAD MOVABLE CROSS HEAD LOWER CROSS HEAD AW LOCKING HANDLE LOAD INDICATOR MOVABLE CROSS HEAD CONTROL UNIT LOAD CONTROL UNIT SIDE VIEW FRONT VIEW NOTCH a b c d e PVC LINER HTS SAMPLE
- 9. Grip nut Split disk holding part Lock Pin Pin Split disk upper half Split disk lower half HTS test specimen PVC liner
- 10. MOVABLE JAW END PVC MANDREL FIXED JAW END CONTROL PANEL
- 12. FRONT VIEW TOP VIEW RESIN BATH Fabricated Cylinders
- 13. Glass fiber bobbins Glass fiber Filament
- 14. EPOXY RESIN HARDENER LENGTH = 360 mm DIA = 192 mm
- 15. EPOXY RESIN HARDENER E-GLASS FIBER DIRECT ROVING LENGTH = 360 mm DIA = 192 mm GLASS FIBER BOBBINS GLASS FIBER FILAMENT FRONT VIEW TOP VIEW RESIN BATH DRY WINDING WET WINDING FABRICATED CYLINDERS MOVABLE JAW END PVC MANDREL FIXED JAW END CONTROL PANEL
- 16. SEA WATER COLLECTION FROM ARABIAN SEA CONTROL PANEL SAMPLE CONTAINER CONTROL PANEL HOT OIL BATH
- 17. SEA WATER COLLECTION FROM ARABIAN SEA CONTROL PANEL CONTROL PANEL HOT OIL BATH TEST COUPONS IN TRAY BEFORE START OF AGEING TEST COUPONS IN TRAY DURING AGEING TEST COUPONS INSIDE HOT OIL BATH DURING AGEING CONTROL PANEL INSIDE VIEW OF HOT OIL BATH
- 18. FRONT VIEW SIDE VIEW NOTCH UPPER HOLDER LOWER HOLDER
- 19. a b c d Unaged SW aged TWO aged g f e3 e2 e1 Failed at random angle Delamination failure Failed at notch
- 20. 4/6/2022 Dept. of Mechanical Engineering, NITK 20 Fiber volume fraction, Vf Winding angle, WA(φ) Stacking Sequence, SS Vf = 0.45 Vf = 0.55 Vf = 0.65 Vf = 0.75 ±45° ±55° ±75° ±60° ±65° ±70° ±50° -Do- SS1 = (90°2/±φ°2/90°/±φ°2/90°/90°2) SS2 = (90°4/φ°2/90°2/-φ°2/90°4) SS3 = (90°2/ ±φ°2/90°2/±φ°2/ 90°2) SS4 = (90°2 /(±φ°/90°)3/φ°/90°2) SS5 = (90°2 /(φ°/90°)/(±φ°/90°) 2/(90°/φ°)/90°2) SS6 = (90°2/φ°2/90°/(-φ°4)/90°/φ°2/90°2) -Do- -Do-
- 21. FE Analysis Selection of Element Type Assigning Material Properties Defining the number layers in section Modelling Meshing Applying B.C’s and Load 4/6/2022 Dept. of Mechanical Engineering, NITK 21
- 22. 4/6/2022 Dept. of Mechanical Engineering, NITK 22 Optimization of obtained FE simulation results (CONT..) FEA (168 SIMULATIONS WITH LINER) Based on VIKOR method: TOP RANKED ATTRIBUTE or FE simulation data is short listed for experimental studies Few Additional attributes(total 6) nearer to top rank are also taken for experimental studies