WANG Hongchang,XIA Jingjiu,DONG Zhao,et al.Mechanical properties of compression in Zizania latifolia[J].Journal of Huazhong Agricultural University,2025,44(04):280-287.
WANG Hongchang,XIA Jingjiu,DONG Zhao,et al.Mechanical properties of compression in Zizania latifolia[J].Journal of Huazhong Agricultural University,2025,44(04):280-287.DOI: 10.13300/j.cnki.hnlkxb.2025.04.027.
Mechanical properties of compression in Zizania latifolia
materials were studied to solve the problems of lacking theoretical basis in the design and simulation analysis of mechanical equipment for processing and harvesting
Zizania latifolia
. A texture analyzer was used to conduct static load compression experiments on
Zizania latifolia
to obtain the stiffness, failure strength, and elastic modulus of
Zizania latifolia
under different directions of compression and compression rates. A scanning electron microscope(SEM) was used to obtain the microstructure of
Zizania latifolia
and analyze the intrinsic mechanism of the differences in the mechanical properties of
Zizania latifolia
under different directions of compression. The results showed that
Zizania latifolia
was anisotropic material, with the average stiffness values in the
X
,
Y
and
Z
axis of 37.88, 36.66 and 50.82 N/mm, respectively. The average failure strength were 0.74 MPa, 0.72 MPa, 0.88 MPa, respectively. The average modulus of elasticity was 1.73 MPa, 1.61 MPa, 2.33 MPa, respectively. The direction of compressio
n had an extremely significant effect on the stiffness, elastic modulus and failure strength of
Zizania latifolia
(
P
<
0.001). The effect of compression rate on stiffness, elastic modulus, and failure strength within the range of 30-70 mm/min was not significant (
P
>
0.05). The microstructural features in the
X
-axis and
Y
-axis directions were similar but different from those in the
Z
-axis direction. The distribution of pores along the
X
-axis and
Y
-axis directions resulted in the smaller values of mechanical properties of compression in these two directions. It will provide theoretical reference for the packing, storage and mechanized production of
Zizania latifolia
.
关键词
Keywords
references
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Related Author
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Related Institution
Hubei Hongshan Laboratory
Vegetable Research Institute, Wuhan Academy of Agricultural Sciences
College of Food Science and Technology/Ministry of Education Key Laboratory of Environment Correlative Dietology/Hubei Province Key Laboratory of Fruit & Vegetable Processing & Quality Control, Huazhong Agricultural University
Wuhan Academy of Agricultural Sciences
College of Food Science and Technology, Huazhong Agricultural University/Ministry of Education Key Laboratory of Environment Correlative Dietology/Hubei Province Key Laboratory of Fruit & Vegetable Processing & Quality Control