首页> 外文会议>Workshop on Wood―Cement Composites in the Asia―Pacific Region, Dec 10, 2000, Canberra, Australia >Production and Properties of Oriented Cement-bonded Boards from Sugi: Cryptomeria japonica D. Don
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Production and Properties of Oriented Cement-bonded Boards from Sugi: Cryptomeria japonica D. Don

机译:杉杉定向水泥粘结板的生产与性能:日本柳杉

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Extractives in sugi (Cryptomeria japonica) inhibit the curing of cement, and hence wood-cement composites manufactured from sugi invariably have poor mechanical properties. The aim of this study was to manufacture high strength wood-cement composites from sugi by making boards from sapwood, which contains less of the extractives that inhibit cement curing, using a cement setting accelerator and orientating strands in the boards to maximise strength properties. By adopting these strategies, high strength boards could be produced despite cement hydration tests that showed that sugi sapwood inhibited the curing of cement. Manipulation of surface:core ratio and, to a lesser extent, strand thickness can be used to modify mechanical properties in bending (MOR and MOE), but not internal bond strength.
机译:sugi(日本柳杉)中的提取物抑制水泥的固化,因此,由sugi生产的木水泥复合材料始终具有较差的机械性能。这项研究的目的是通过由边材制成的边材来制造来自sugi的高强度木水泥复合材料,该边材使用水泥凝固促进剂和定向木板中的股线以最大程度地提高强度性能,从而包含较少的抑制水泥固化的提取物。通过采用这些策略,尽管水泥的水合测试表明sugi边材抑制了水泥的固化,但仍可以生产高强度板。可以使用表面:核心比率以及较小程度的股线厚度来更改弯曲时的机械性能(MOR和MOE),而不是内部粘合强度。

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