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Przedmiotem badań były przemiany chemiczne na powierzchni ceramiki korundowej wygrzewanej z miedzią w obecności tlenu in statu nascendi w atmosferze azotu o zawartości tlenu ok. 1,5 ppm i w próżni 10⁻⁵ Pa oraz wpływ wytworzonych faz na wytrzymałość mechaniczną złączy ceramika-miedź. Wytrzymałość mechaniczna połączeń pozwala oszacować wpływ zjawisk powierzchniowych i reakcji między aktywnymi chemicznie...
The paper continues the description of the research described in Part I, concerning the influence of an interlayer material, its thickness, on the level of residual stresses in the alumina-heat resisting steel joint. The results presented in this part of paper concern the influence the layer of a gradient material and the profile of its inner structure have on the state of residual stresses in the...
The present article, split into two parts, analyzes the influence of an interlayer's construction and thickness on thermal residual stresses generated in ceramic - metal joints. Numerical calcultions (the finite elements method - FEM) of the state of thermal residual stresses, as well as the verifying technological tests, were made by following pair of materials: the Al2O3 ceramics - heat resisting...
The paper discusses the effect of constructional aspects of the ceramic-metal joints (modification of the joint shape, the use of compensing interlayers) on the residual stresses state in them. The joint examined was an Al2O3-15 steel joint (flat and edged steel face) equipped with interlayers of "hard" (Mo) nad "soft" (Cu) materials with various thickness. A superposition of these...
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