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首頁> 外文學(xué)位 >Instrumentation for microscale measurement and characterization of bio-fibers.
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Instrumentation for microscale measurement and characterization of bio-fibers.

機譯:用于微型測量和表征生物纖維的儀器。

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摘要

Recent interest in very small scale fibers has driven testing of these materials for their mechanical properties. Due to the difficulty in handling specimens for testing and measuring small loads and displacements required for deformation, mechanical properties of these fibers have not been widely characterized. Existing technologies used for small scale fiber testing are the designs made for larger scale material testing. There exists a gap between the capabilities of existing technologies and a technology capable of truly quantitative small scale measurements. This work makes steps toward narrowing this gap by integrating small mechanical and electrical designs, enabling high resolution in small scale measurements.; In this work, the design development, modeling and simulation, fabrication, instrumentation and the calibration stages of the small scale tensile testing machine have been made. Conducting experiments on single nylon fibers, the mechanical properties of the material have been analyzed and the performance of the machine has been evaluated. (Abstract shortened by UMI.)
機譯:最近對超小型纖維的興趣推動了這些材料的機械性能測試。由于難以處理試樣以測試和測量變形所需的較小載荷和位移,因此這些纖維的機械性能尚未得到廣泛表征。用于小規(guī)模纖維測試的現(xiàn)有技術(shù)是為大范圍材料測試而設(shè)計的。現(xiàn)有技術(shù)的能力與能夠真正定量地進行小規(guī)模測量的技術(shù)之間存在差距。這項工作通過集成小型機械和電氣設(shè)計來縮小這一差距,從而在小規(guī)模測量中實現(xiàn)高分辨率。在這項工作中,已經(jīng)完成了小型拉伸試驗機的設(shè)計開發(fā),建模和仿真,制造,儀器和校準(zhǔn)階段。在單根尼龍纖維上進行實驗,分析了材料的機械性能并評估了機器的性能。 (摘要由UMI縮短。)

著錄項

  • 作者

    Karakaya, Yeliz.;

  • 作者單位

    University of Delaware.;

  • 授予單位 University of Delaware.;
  • 學(xué)科 Engineering Mechanical.
  • 學(xué)位 M.S.M.E.
  • 年度 2006
  • 頁碼 112 p.
  • 總頁數(shù) 112
  • 原文格式 PDF
  • 正文語種 eng
  • 中圖分類 機械、儀表工業(yè);
  • 關(guān)鍵詞

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