Effect of annealing temperature on recrystallization behavior of cold rolled low carbon steel

doi:10.13251/j.issn.0254-6051.2020.04.038

Abstract

Abstract: Effect of annealing temperature on recrystallization behavior of cold rolled low carbon steel was investigated by carrying out annealing experiment in thermo-induction muffle. The results show that at 565 ℃, recovery is the main softening mechanism and the grains remain lengthened. The yield and tensile strength decrease obviously, the elongation increases clearly and vickers hardness reduces sharply until the temperature rises to 580 ℃, that means recrystallization occuer in this state. The metallographic phase is consists of plentiful lamellar cementite and rare ferrite. When the temperature rises above 580 ℃, properties change unapparently, including yield and tensile strength, elongation and hardness, meaning that complete recrystallization finishes at 580 ℃.

Key words: cold rolled low carbon steel, annealing temperature, microstructure, hardness, recrystallization

CLC Number:

TG156.21

Wu Hao, Chai Litao, Xu Liu. Effect of annealing temperature on recrystallization behavior of cold rolled low carbon steel[J]. Heat Treatment of Metals, 2020, 45(4): 180-182.

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Effect of annealing temperature on recrystallization behavior of cold rolled low carbon steel

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