Investigations of durability and hardness of chosen ploughshares for ploughs of Polish, German and Czech production
1998
Labecki, M. | Goscianski, M. (Przemyslowy Instytut Maszyn Rolniczych, Poznan (Poland))
The results of metallographic investigations of hardness and durability of 13 kinds of ploughshares for tractor ploughs are presented in the paper. The investigations of durability were carried out in diversified soil conditions and by different relative soil humidity. Durability of the investigated ploughshares depended on soil humidity and was equal from 3,5 to 19,5 ha/share
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