终轧温度对2024铝合金晶间腐蚀和力学性能的影响

doi:10.11896/cldb.21110100

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Abstract The homogenized 2024 aluminum alloys were hot rolled at different final rolling temperatures, and they were naturally aged for 4 days after solid solution treatment. The effects of final rolling temperature on the mechanical properties and intergranular corrosion behavior of 2024 aluminum alloy were investigated by electron backscatter diffraction (EBSD), X-ray diffraction (XRD), scanning electron microscopy (SEM) and electrochemistry tests. The results show that there are shear textures and a small amount of recrystallization texture in rolled 2024 aluminum alloy, while some typical rolling textures appear after solid solution. The final rolling temperature affects the structure and texture changes of the alloy. When the final rolling temperature is low (207 ℃), the average grain size of the alloy is small, the average Schmid factor is low, and the strength is high; when the final rolling temperature is high (280 ℃), the proportion of low angle grain boundary and {111} plane texture is high, the texture content with large Schmid factor is small, and the intergranular corrosion resistance is excellent.

Key words： 2024 aluminum alloy final rolling temperature texture intergranular corrosion

Published: 10 June 2023 Online: 2023-06-19

CLC number:

TB31

Fund:State Administration of Science, Technology and Industry, China (412100008).

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	Articles by authors
	OUYANG Zuoqiong
	LUO Binghui
	DENG Pan
	MO Wenfeng
	BAI Zhenhai

Cite this article:

OUYANG Zuoqiong,LUO Binghui,DENG Pan, et al. Effect of Final Rolling Temperature on Intergranular Corrosion and Mechanical Properties of 2024 Aluminum Alloy[J]. Materials Reports, 2023, 37(11): 21110100-7.

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http://www.mater-rep.com/EN/10.11896/cldb.21110100 OR http://www.mater-rep.com/EN/Y2023/V37/I11/21110100

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