The fine structure of the cell wall of hardwoods on transverse-fracture surfaces

被引:10
作者
Sell, J [1 ]
Zimmermann, T [1 ]
机构
[1] EMPA, CH-8600 Dubendorf, Switzerland
关键词
D O I
10.1007/s001070050334
中图分类号
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号
0805 ; 080502 ; 0822 ;
摘要
Subject Transverse-fracture surfaces of tension-loaded fiber cells of hardwood samples (beech, Fagus sylvatica; oak, Quercus robur, Q, petraea) studied by means of a high-resolution FE SEM showed predominantly marked radial orientation of the cellulosic fibrils of the secondary wall layer 2 (S2). In other words, the S2 fibrils are perpendicularly oriented to the adjacent S1 and S3 layers. This fibril arrangement of hardwood fiber cells corresponds with former findings on the fine structure of fracture surfaces of softwood tracheids. All cell wall layers of hardwood vessels, however, exhibit a polylaminated concentric structure.
引用
收藏
页码:365 / 366
页数:2
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