摘要
The UPR (Unsaturated Polyester Resins) has been toughened and strengthened By using the nanometer TiO2 powder and an obvious brittle-tough transformation was observed while utilizing the simple-support-beam impact strength to characterize its toughness. The critical content of the nanometer TiO2 is 6% (mass fraction). The flexural-strength and impact-strength and impact-strength of nanometer TiO2/UPR increases by 55% and 46% from those of the UPR, respectively. The micro appearance of the impact fracture showed that the fracture pattern of the nanometer TiO2/UPR changes from typical brittle to typical tough fracture near the critical point.
源语言 | 英语 |
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页(从-至) | 512-516 |
页数 | 5 |
期刊 | Cailiao Yanjiu Xuebao/Chinese Journal of Materials Research |
卷 | 16 |
期 | 5 |
出版状态 | 已出版 - 10月 2002 |