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DNV-OS-C501 Composite Components |
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| Sec.5: Materials - Sandwich Structures |
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| A: General |
| A100: Introduction |
| A200: Sandwich specification |
| A300: Lay-up specification |
| A400: Isotropic/orthotropic core layers |
| A500: Mechanical and physical properties |
| A600: Characteristic values of mechanical properties |
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| B: Static properties |
| B100: General |
| B200: Static properties |
| B300: Relationship between strength and strain to failure |
| B400: Characteristic values |
| B500: Shear properties |
| B600: Core skin interface properties |
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| C: Properties under long term static and cyclic loads |
| C100: General |
| C200: Creep |
| C300: Stress rupture under permanent static loads |
| C400: Static strength reduction due to permanent static loads |
| C500: Stress relaxation |
| C600: Change of modulus of elasticity under cyclic fatigue |
| C700: Cycles to failure under fatigue loads |
| C800: Static strength reduction due to cyclic loading |
| C900: Effect of high loading rates - shock loads - impact |
| C1000: Characteristic values |
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| D: Other properties |
| D100: Thermal expansion coefficient |
| D200: Swelling coefficient for water or other liquids |
| D300: Diffusion coefficient |
| D400: Thermal conductivity |
| D500: Friction coefficient |
| D600: Wear resistance |
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| E: Influence of the environment on properties |
| E100: Introduction |
| E200: Effect of temperature |
| E300: Effect of water |
| E400: Effect of chemicals |
| E500: Effect of UV radiation |
| E600: Electrolytic corrosion |
| E700: Combination of environmental effects |
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| F: Influence of process parameters and core density |
| F100: Core production |
| F200: Sandwich production |
| F300: Influence of core density |
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| G: Properties under fire |
| G100: Introduction |
| G200: Fire reaction |
| G300: Fire resistance |
| G400: Insulation |
| G500: Properties after the fire |
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| H: Qualification of material properties |
| H100: Introduction |
| H200: General test requirements |
| H300: Selection of material qualification method |
| H400: Direct measurement |
| H500: Representative data |
| H600: Qualification against representative data |
| H700: Confirmation testing for static data |
| H800: Confirmation testing for long term data |
| H900: Use of manufacturers data or data from the literature as representative data |
| H1000: Confirming material data by component testing |
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