7 articles in this issue
Teresa Fras,Ryszard Pecherski
The paper contains a short presentation of main idea of energy-based hypothesis of material effort proposed by Burzynski with discussion of the resulting failure criteria. Some examples illustrating applications of these criteria are discussed and visuali... see more
Kazimierz Furmanik,Piotr Kasza
Still growing requirements connected with environmental protection, work safety, but also many advantages of scraper pipe conveyors caused that they find more and more wide applications in transport of fine grained, bulk, dusty materials and pulp in chemi... see more
Piotr Kordzikowski,Ryszard Pecherski
The aim of the paper is to apply the energy-based criterion of limit elastic states for the assessment of the material effort of anisotropic materials. The linear elastic anisotropic materials in the plane state of stress are considered. The theory of ela... see more
Malgorzata Skorupa,Tomasz Machniewicz,Andrzej Skorupa,Adam Korbel
Presented in this paper are results of an experimental investigation on the rivet flexibility and load transmission in a riveted lap joint representative for the aircraft fuselage. The test specimens consisted of two aluminium alloy Alclad sheets joined w... see more
Jerzy Stojek
In this paper the possibility of phase trajectory use in detecting of axial piston pump damage was presented. The wear of main part of pump elements such as: rotor and swash plate have been studied. The Phase trajectories were estimated from vibration sig... see more
Anna Strek
The article describes the experiment consisting in production and study of auxetic open-cell polyether foam. In the introduction I briefly explain what auxetic materials are and list their main properties together with possible application areas. Next, de... see more
Stanislaw Wolny,Tadeusz Banaszewski,Stanislaw Dzik,Filip Matachowski
This study summarises the results of FEM analysis of the state of stress generated in structural components of a PZ3R screen separator under the typical operating conditions. Simplifications underlying the numerical analysis were verified by measuring the... see more