S. Yuu et al., Development of probe for simultaneous measurements of normal and shear stress and measurements of wall stress distributions of powder bed, KAG KOG RON, 26(3), 2000, pp. 480-482
A probe for simultaneous measurement of normal and shear stresses on wall s
urfaces of a powder bed is developed. Experimental results show that the pr
obe makes it possible to independently measure the small normal and shear s
tresses at the same point, since the normal and shear stresses which act on
the probe are mechanically separated by a shaft which is supported by mini
ature ball bearings. The measured data has been compared with calculated re
sults using the incremental finite element method. Measured results are in
fairly good agreement with calculated results and other known characteristi
cs on the statics of powder beds.