Standardization in Composites and Speciality Fibres by A.K. Bera

This content highlights the standardization levels, composite material database standards, infrastructure at both national and international levels, chain of validation of composites products, and constituent material specifications and test methods in the textiles department under the Bureau of Indian Standards. It includes information about various test methods, specifications, and approval standards related to composite materials, structural elements, sub-components, products, and non-destructive evaluations.

• Standardization
• Composites
• Speciality Fibres
• Test Methods
• Bureau of Indian Standards

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1. STANDARDIZATION IN COMPOSITES AND SPECIALITY FIBRES A K Bera, Scientst F & Head (Textiles) TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

2. STANDARDIZATION LEVELS Constituent material specifications and test methods Compound specification and test methods Coupon level test methods and test plate manufacture TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

3. Composite material database standards Structural element test methods Sub-component specifications Product approval standards Non-destructive evaluation standards TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

4. STANDARDIZATION INFRASTRUCTURE AT INTERNATIONAL LEVEL ISO, CEN (General), CEN Aerospace, ASTM, JIS and other national bodies TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

5. STANDARDIZATION INFRASTRUCTURE AT NATIONAL LEVEL TXD 40 Composites and Speciality Fibres Sectional Committee of BIS TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

6. CHAIN OF VALIDATION OF COMPOSITES PRODUCTS Fibre and Matrix Test Methods Fibre and Matrix Specifications Material and Process Test Methods Moulding and Prepreg Specifications Laminate Test Methods TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

7. Composite Specification Structural Element Test Methods Sub-component Approval Full Scale Test Methods Final Product Approval NDE Inspection Methods Approved Repair Procedures TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

8. CONSTITUENT MATERIAL SPECIFICATIONS AND TEST METHODS Initially covering Glass Fibres and Carbon Fibres TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

9. Preliminary Draft Indian Standards Prepared Test Conditions for isotropic and orthotropic fibre reinforced plastic composites and test conditions for unidirectional fibre reinforced plastic composites TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

10. Determination of average diameter of staple fibre or filaments, linear density, twist, breaking force and elongation, tensile breaking force, twist balance index, moisture content and stiffness of roving. TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

11. Coupon Level Test Methods The aim of these standards is to ensure that test panels are made consistently and in a representative manner for the wide range of available manufacturing routes. TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

12. Compound Specification and Test Methods ISO 9782 Plastics; reinforced moulding compounds and prepregs - Determination of apparent volatile matter content ISO 10352 Moulding compounds and prepregs Determination of mass per unit area ISO 11667 Determination of resin, reinforced fibre and mineral filler content Dissolution methods ISO 12114 determination of cure characteristics ISO 15034 Determination of resin flow TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

13. PRODUCT APPROVAL STANDARDS GRP Pipe Wok in Offshore Application Fully Composite Cylinders for LPG FRP Lighting Columns TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

14. FUTURE REQUIREMENTS Compression Testing of Thick Carbon Fibre Systems Durability Aspects Fatigue, Creep and Impact TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

15. COMPOSITE PRODUCT STANDARDIZATION The standards related to composite products use consistent design procedures. However, design procedures themselves have not been analysed and compared in detail. TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

16. NEW SUBJECTS GIVEN TO BIS Meta Aramids, Para Aramids, C- Fibre, Glass Fibre (AR-Glass, H-Glass) High Tenacity/ Super high tenacity nylon (more than 7 gpd), polyester, polypropylene and viscose Ceramic Fibre, Zylon, Ultra High Molecular Weight Polyethylene (Spectra, Dyneema) Nylon 66. TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

17. STANDARDIZATION INPUTS REQUIRED FROM INDIAN INDUSTRY Textiles Department Manak Bhavan, 9 Bahadur Shah Zafar Marg New Delhi 110 002 email: txd@bis.gov.in TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS

18. THANK YOU TEXTILES DEPARTMENT, BUREAU OF INDIAN STANDARDS