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首页> 外文期刊>Wood and Fiber Science >Microstructure and mechanical properties of silvergrass fiber cell walls evaluated by nanoindentation.
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Microstructure and mechanical properties of silvergrass fiber cell walls evaluated by nanoindentation.

机译：通过纳米压痕评价银草纤维细胞壁的微观结构和力学性能。

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摘要

Silvergrass is a natural biological material with high mechanical strength and toughness and has potential as a raw material in wood-based composites. Structure and mechanical properties of fiber cell walls of silvergrass stalk in nanoscale were measured by nanoindentation. Silvergrass fiber cells have multilayered structure and diameter between 5 and 20 micro m. Nanoscale mechanical tests showed that fibers of the upper stalk of silvergrass had better mechanical properties than those of the lower stalk and silvergrass fibers had better mechanical properties than wood fibers at the cell wall level. Macrohardness of the silvergrass stalk was 0.330 GPa evaluated from nanoindentation tests. Results found by nanoindentation were also verified by longitudinal tensile strength testing and particleboard manufacture.
机译：银草是一种具有高机械强度和韧性的天然生物材料，具有作为木材复合材料的潜力。纳米压痕法测定了银草茎纤维细胞壁的结构和力学性能。银草纤维细胞具有多层结构，直径在5到20微米之间。纳米级机械测试表明，在细胞壁水平上，银草的上部茎的纤维具有比下部茎的纤维更好的机械性能，并且银草的纤维具有比木纤维更好的机械性能。根据纳米压痕测试，银草茎的宏观硬度为0.330 GPa。通过纳米压痕发现的结果也通过纵向拉伸强度测试和刨花板制造得到了验证。

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