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Podczas grzania i chłodzenia stali martenzytycznych zachodzą przemiany fazowe umożliwiające kształtowanie ich struktury i właściwości użytkowych. Znajomość temperatury przemian: (α'→ γ)p, (α' → γ)k, MS, i Mf, a także wpływu procesów cieplnych na skład fazowy i strukturę stali stanowi podstawę przy opracowywaniu technologii wytwarzania części maszyn. Celem badań było wyznaczenie temperatury przemian...
The paper analyses characteristic structure-forming properties such as: the dynamic and static water resistance of soil aggregates, the secondary aggregation following the dynamic and static water action, capillary water capacity, volume changes caused by swelling and shrinkage of soil aggregates and their mechanical strength for six topsoil horizons of phaeozems. Experiments were carried out in carefully...
The performed investigations aimed at determining physical and chemical properties of proper Phaeozems, especially their diversification in soils developed from different geological formations. The following parameters were determined in the examined soils: texture of soil, bulk density, specific density, porosity, moisture content, hygroscopic water capacity (H) and maximum hygroscopicity (MH), liquid...
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