【摘要】 以光导纤维为模型纤维,利用激光干涉法测定了载荷作用下的玻璃纤维增强聚合物复合材料的纤维应力、材料成型时纤维预应力的产生过程及纤维应力随环境温度的变化。实验表明,纤维的应力随界面物质分子特征及界面层结构的不同而不同。其原因是在应力传递过程中,不同界面层具有不同的应力梯度及变形能力。在两相模型中,引入了应力传递系数 k。能形成韧性界面层的ESPCEG 及γ-UPMS 是较好的处理剂。更多还原

【Abstract】 The fiber stress in glass fiber reinforced polymer on load,the fiber prestressduring the forming process of materials and the changes of the fiber stress with theenvironmental temperature on load,are measured by using laser interference.The resultsshow that the fiber stress changes with the molecular characteristics in the interface andstructure of interface layer,because there are differences of stress gradient anddeformation ability in different interface layer during the stress transfer process.The stresstransfer coefficient k is cited in the two-phase model.ESPCEG and γ-undecanoyloxypropyl trimethoxy silicane which can form tough interface layer is better treatment agents.更多还原