A new Severe Plastic Deformation (SPD) technique namely Equal Channel Angular Pressing with Parallel Channels (ECAP-PC) was developed to improve the performance of traditional ECAP. Traditional ECAP produces a gross distortion at both ends during the process. Thus, it resulted in high cost process, because it can cause waste materials that have been estimated from 30% to 50%. To overcome the problem, an alternative procedure was developed in which the ECAP was conducted using two parallel channels, the materials used AA1070 and AA6061 powder with Alumina Nano-Fiber (ANF) as reinforcement. Mechanical properties and Scanning Electron Microscope (SEM) were observed in room temperature pressure and 400^OC heating pressure. Both results were compared to determine the effect of temperature on each process. The result was that at 400^OC temperature pressure, the hardness generated more uniform with hardness average reached 69.3 and 94.52 HV₁₀ and at room temperature pressure, the hardness generated less uniform with an average 30.1 and 73.6 HV₁₀. In hot pressure there was not any micro-crack, but in room temperature pressure there were some micro-crack.

Wear of material in unlubricated sliding type electrical contact (e.g. contact wires for trolleys and rotor materials in electric engines and current generators) is one of the main failure causing modes of copper (Cu)-based alloys. High electrical conductivity, high tensile strength, suitable hardness and wear resistance under such conditions should be provided. In a present paper required properties of dispersion-hardened Cu-based electrical conductive alloy (Cu-0.68 wt. % Cr-0.02 wt. % S) were obtained by equal-channel angular press treatment with following six press treatments by B_c route and suitable heat treatment. The wear tests were carried out in unlubricated sliding pair with graphite disk. Optimal properties were reached after annealing at 450 °C for 1 h, exhibiting a lowest wear rate (~1.9268·10^-9 g·m^-1), high electrical conductivity (up to 95 % IACS) and Vickers microhardness up to 1.7 GPa, respectively.