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Deformation energy of Jatropha curcas L. seeds under compression loading
seed moisture content compressive force deformation curve smooth curve serration effect
2014/9/22
The present research is a follow-up of the previous studies on mechanical behaviour of Jatropha curcas L. seeds under compression loading. The research describes in detail the deformation energy which...
Deformation and fracture of dika nut (Irvingia gabonensis) under uni-axial compressive loading
fracture behaviour dika nut quasi-static loading nut cracker
2008/11/26
Fracture behaviour of dika nut under quasi-static loading along the longitudinal axis and the transverse axis was investigated. The fracture resistance of the nut was measured in terms of average forc...
Fatigue strength of wheat grains. Part 1. The analysis of grain deformation at multiple loads
multiple loads grain deformation
2008/11/21
In the majority of studies concerning the evaluation of grain resistance, the authors usually make use of the method of visual evaluation of grain condition - with respect both to external and interna...
A method was developed and a device constructed to measure the force of internal friction of granular materials. The angle of internal friction of wheat grain was determined for two displacement speed...
Potato tuber permittivity during deformation in compression
potato permittivity frequency deformation strain reversibility
2014/2/27
Potato tuber specimens of two varieties (Nicola and Saturna) were deformed in a compression loading/unloading test. The tuber complex permittivity spectrum at frequencies 0.1–500 kHz was measured repe...
Approximation of bruise spot volume in pears in plots against deformation parameters
pears bruising compression bruise volume hysteresis losses degree of elasticity approximation of curve quality
2014/2/28
Pears of different varieties were compressed between two flat rigid plates in loading/unloading tests. The bruise spots appearing after room temperature incubation were analysed manually, and bruise s...