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| Content Provider | IET Digital Library |
|---|---|
| Author | Amirsardari, Zahra Aghdam, Rouhollah Mehdinavaz |
| Abstract | To improve the thermal properties of novolac resin, zirconium diboride (ZrB2) nanoparticles (ZNP) with different weight percentages (0, 2, 4 and 7) were introduced into novolac resin. ZrB2 nanoparticles modified carbon–novolac (C–N) composites were used to determine and compare the ablation performance, thermal stresses and cracks, and mechanical properties of these modified polymer composites. Thermal protection via ablation was achieved through a self-regulating heat and mass transfer process involving an insulator with low thermal conductivity and concomitant formation of a hard char on the insulator surface after 160 s exposure to the combustion environment. Anti-oxidation mechanisms for the novolac resin modified with nanoparticles at different weight percentage were compared and discussed. Ablation performance shows a steady increase with the filler content until a maximum, at 4 wt% of ZNP, and then it decreases. |
| Starting Page | 589 |
| Ending Page | 594 |
| Page Count | 6 |
| Volume Number | 12 |
| e-ISSN | 17500443 |
| Issue Number | Issue 9, Sep (2017) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/12/9 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2017.0071 |
| Journal | Micro & Nano Letters |
| Publisher Date | 2017-09-01 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Ablation Performance Antioxidation Mechanisms Brittleness Carbon Fibres Combustion Combustion Environment Cracks Embrittlement Explosions Fabric Fatigue Filled Polymers Flames Fracture Hard Char Heat Transfer High Temperature Effect High Temperature Regime Insulator Surface Mass Transfer Mechanical Property Modified Carbon Fabric-novolac Resin Composite Modified Polymer CompoSite Nanocomposite Nanofabrication Nanoparticle Nanotube And Nanostructured Material Nonelectronic Thermal Conduction And Heat-pulse Propagation in Nonmetallic Solids Oxidation Particle Reinforced CompoSite Polymer-based CompoSite Preparation of Reinforced Polymers Resins Self-regulating Heat Transfer Structure of Solid Clusters Surface Treatment And Degradation of CompoSite Thermal Conductivity Thermal Protection Thermal Stresses Time 160 S Weight-loss Changes Zirconium Compound Zirconium Diboride NanoParticle ZrB2-C |
| Content Type | Text |
| Resource Type | Article |
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