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Niniejsza praca została podjęta w celu oceny spawalności stali dupleks w warunkach podwodnych. Zainteresowanie spawaniem podwodnym tej grupy stali wiąże się z koniecznością opracowania spawalniczych metod naprawczych rurociągów eksploatowanych w przemyśle wydobywczym ropy naftowej. Do badań wykorzystano metodę spawania GMA za pomocą lokalnej komory suchej. Wykonano napoiny pod wodą na głębokości 0,5...
Effects of composition and microstructure of TiC-(Ni,Mo) and Cr 2 C 3 -Ni of abrasive erosive wear were investigated with respect to wear mechanisms and hardness of the abrasive materials used in testing. It was reported that a material with very good wear resistance had been made.
A comparison of indenter penetration energies at static and dynamic indentation is presented. Wear energy for various types of abrasive wear is estimated. Tests on various metals proved two-body abrasion to be the wear process of lowest energy consumption, the respective minimum relative wear energy of about 10 being reached on pure metals. Depending on test conditions, the values of relative wear...
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