Effect of stress relieving process on properties of 6063 aluminum alloy brazed parts

doi:10.13251/j.issn.0254-6051.2024.06.015

Abstract

Abstract: Aiming at the distoration of 6063 aluminum alloy brazed parts during cutting process, the mechanism of residual stress generation in brazed parts of the 6063 aluminum alloy was analyzed, and the hardness and other properties were tested after stress relieving at different temperatures. The blind-hole method was firstly selected to test the brazed residual stress of the 6063 aluminum alloy, then under the premise of keeping the material state T6 of the brazed parts unchanged, the stress relief process parameters were verified, finally the optimal stress relief process parameters of the 6063 aluminum alloy are determined as temperature of 230 ℃ and holding time of 2 h. Under such a process, the alloy hardness is 69.8 HR15T, the residual stress relief rate of the 6063 aluminum alloy brazed parts is 48.7%, and the distoration of the 6063 aluminum alloy brazed parts during cutting process is effectively solved.

Key words: 6063 aluminum alloy, braze, residual stress, hardness, stress relief

CLC Number:

TG156

Zhou Yiwei, Guo Wenrui, Zheng Jianfeng. Effect of stress relieving process on properties of 6063 aluminum alloy brazed parts[J]. Heat Treatment of Metals, 2024, 49(6): 96-99.

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