Abstract HTRB630 steel bar is a new type of high-strength bars. To study the seismic performance and promote application concrete columns reinforced with bars, pseudo-static test 10 bars 3 HRB400 was carried out. Test specimens were divided into five categories according to grade, reinforcement strength, degree confinement. The effect strength (C45 C60), axial load ratio (0.1 0.25), equal subst...

When surfaces with anisotropic texture are moved in different directions related to their assembled counterpart during operation, the friction conditions change, as they determined by lay of topographies. In article, contributing exploration this characteristic, we analyze inhomogeneity topography on a face milled plane surface symmetrical setting sections at an angle 30° or 60° feed direction....

This work presents the results of tribological tests Mo and combined coatings TiAlC formed using electrospark alloying (ESA) technology additionally processed thermochemical electrolyte anodic heating (TEAH). ESA makes it possible to form 15–20 µm thick on friction surface, characterized by a high hardness wear resistance. Tribological studies were performed testing block-on-roll pair under 300...

At present, the common protection technology of power-transmission and transformation equipment is mainly coating hot-dip zinc protection. However, due to low adhesion epoxy zinc-rich coating, poor compatibility with top paint, environmental pollution, complex processing, high energy consumption other defects process, its development limited. In view above deficiencies, new anti-corrosion mater...