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An automated testing machine for monitoring the evolution of fiber breaks

机译:自动化测试机,用于监控纤维断裂的演变

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摘要

A cooperative agreement between the National Institute of Standards and Technology (NIST) and the Textile Research Institute/Princeton (TRI/Princeton) has resulted in the development of an automated tensile testing machine for determining the interfacial shear strength (IFSS) as determined by the single fiber fragmentation (SFF) test. The imaging capability of this new machine permits the archiving of data for additional analyses as new data reduction methods are developed and provides a framework for the sharing of fragmentation data among researchers. To keep pace with the changing directions of composite micromechanics research, the new machine was extended to obtaining archival data on fiber fragmentation in 2D multifiber arrays by utilizing a new fiber placement device that allows for the precise placement of these arrays within the dogbone specimen.
机译:美国国家标准技术研究院(NIST)与美国普林斯顿纺织研究所(TRI / Princeton)之间的合作协议,导致了一种自动拉伸试验机的开发,该机器可以确定由界面张力确定的界面剪切强度(IFSS)。单纤维破碎(SFF)测试。随着新数据缩减方法的开发,这种新机器的成像功能允许将数据存档以进行其他分析,并为研究人员之间共享碎片数据提供了框架。为了跟上复合微力学研究不断变化的方向,新机器被扩展到通过使用新的光纤放置设备来获得二维多纤维阵列中纤维断裂的档案数据,该设备可以将这些阵列精确地放置在狗骨标本中。

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