Rapid Dissolution of Secondary Phase in Cold-Rolling Al-Cu-Mg Alloy by Electropulsing Treatment

Wei Ning Shi; Hai Fei Zhou; Xin Fang Zhang

doi:10.4028/www.scientific.net/MSF.990.3

Paper Titles

Preface

Rapid Dissolution of Secondary Phase in Cold-Rolling Al-Cu-Mg Alloy by Electropulsing Treatment
p.3

Self-Healing Microbial Concrete - A Review
p.8

Control and Mechanism Analysis of Serrated Chip Formation in High Speed Machining of Aluminum Alloy 7050-T7451
p.13

Utilization of Local Waste Materials in High-Performance and Self-Compacting Concrete
p.18

Study on the Influence of Anisotropy on Cutting Performance of Aviation Aluminium Alloy 7050-T7451
p.29

Static Softening Behavior of Low Carbon High Niobium Microalloyed Steel
p.36

Experimental Study on Friction Characteristics of Micro-Arc Oxidation Modified Layer on Titanium Alloy Surface
p.44

Mechanical Behavior of Mode I Fractured Concrete Repaired by Polymethyl Methacrylate (PMMA)
p.50

HomeMaterials Science ForumMaterials Science Forum Vol. 990Rapid Dissolution of Secondary Phase in...

Rapid Dissolution of Secondary Phase in Cold-Rolling Al-Cu-Mg Alloy by Electropulsing Treatment

Abstract:

The Al-Cu-Mg alloy is a precipitation-strengthening alloy, which is traditionally dissolving lots of secondary phase and precipitating in subsequent aging process, thus having been applied to aerospace and automobile industry due to its low density and high strength. However, the high temperature and long operating time needed for the dissolution of secondary phase consume numerous energy. In this work, rapid dissolution of secondary phase in cold-rolling Al-Cu-Mg alloy was achieved by coupling treatment of thermal field and pulsed electric current. The energy consumption for dissolving secondary phasewas reduced from 495°C operating 1h to 450°C operating several minutes. Therefore, the coupling treatment of thermal field and pulsed electric current significantly improves the dissolving rate and decreases the energy consumption.