稀 Mg-1Al 合金静态退火过程中晶粒生长诱发的意外纹理转变

IF 15.8 1区 材料科学 Q1 METALLURGY & METALLURGICAL ENGINEERING
Meng-Na Zhang , Hai-Long Jia , Xiao Ma , Lei Zhao , Zhi-Gang Li , Min Zha
{"title":"稀 Mg-1Al 合金静态退火过程中晶粒生长诱发的意外纹理转变","authors":"Meng-Na Zhang ,&nbsp;Hai-Long Jia ,&nbsp;Xiao Ma ,&nbsp;Lei Zhao ,&nbsp;Zhi-Gang Li ,&nbsp;Min Zha","doi":"10.1016/j.jma.2024.04.013","DOIUrl":null,"url":null,"abstract":"<div><div>Conventional rolled Mg-Al alloy sheets typically exhibit strong basal textures that remain and may even strengthen after recrystallization annealing due to the preferential growth of basal-oriented grains, resulting in poor formability at room temperature. Therefore, the knowledge of recrystallization and grain growth is critical for modifying textures of Mg-Al alloy sheets. The static recrystallization and texture evolution in a cold-rolled dilute Mg-1Al (wt.%) alloy during various annealed temperatures ranging from 300 °C to 450 °C, have been investigated using the quasi in-situ electron backscatter diffraction (EBSD) method. The as-rolled Mg-1Al alloy shows a dominant basal texture, which weakens and broadens in the rolling direction (RD) during the subsequent annealing, accompanied by the formation of <span><math><mrow><mo>〈</mo><mrow><mn>1</mn><mspace></mspace></mrow><mn>0</mn><mspace></mspace><mover><mn>1</mn><mo>¯</mo></mover><mspace></mspace><mn>0</mn><mo>〉</mo></mrow></math></span> texture component. Particularly, the <span><math><mrow><mo>〈</mo><mrow><mn>1</mn><mspace></mspace></mrow><mn>0</mn><mspace></mspace><mover><mn>1</mn><mo>¯</mo></mover><mrow><mspace></mspace><mn>0</mn></mrow><mo>〉</mo></mrow></math></span> texture component is more pronounced after annealing at high temperatures. The quasi in-situ EBSD results show that recrystallized grains are mainly induced by shear bands, which exhibit a wide spectrum of orientations with c-axis tilt angles ranging 20°-45° from the normal direction (ND). Orientations of shear band-induced recrystallized grains are retained during the entire recrystallization process, resulting in a reduction in the texture intensity. Moreover, recrystallized grains belonging to the <span><math><mrow><mo>〈</mo><mrow><mn>1</mn><mspace></mspace></mrow><mn>0</mn><mspace></mspace><mover><mn>1</mn><mo>¯</mo></mover><mrow><mspace></mspace><mn>0</mn></mrow><mo>〉</mo></mrow></math></span> texture component grow preferentially compared to those with other orientations, which is attributed to low energy grain boundaries, especially grain boundaries with ∼30° misorientation angles. Furthermore, the high temperature annealing facilitates the rapid growth of grain boundaries having a 30° misorientation angle, leading to the occurrence of distinct <span><math><mrow><mo>〈</mo><mrow><mn>1</mn><mspace></mspace></mrow><mn>0</mn><mspace></mspace><mover><mn>1</mn><mo>¯</mo></mover><mrow><mspace></mspace><mn>0</mn></mrow><mo>〉</mo></mrow></math></span> texture after annealing at 450 °C for 1 h. The results provide insights for texture modification of rare earth-free low-alloyed Mg alloys by controlling annealing parameters.</div></div>","PeriodicalId":16214,"journal":{"name":"Journal of Magnesium and Alloys","volume":"13 3","pages":"Pages 1133-1148"},"PeriodicalIF":15.8000,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Unexpected texture transition induced by grain growth during static annealing of a dilute Mg-1Al alloy\",\"authors\":\"Meng-Na Zhang ,&nbsp;Hai-Long Jia ,&nbsp;Xiao Ma ,&nbsp;Lei Zhao ,&nbsp;Zhi-Gang Li ,&nbsp;Min Zha\",\"doi\":\"10.1016/j.jma.2024.04.013\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div>Conventional rolled Mg-Al alloy sheets typically exhibit strong basal textures that remain and may even strengthen after recrystallization annealing due to the preferential growth of basal-oriented grains, resulting in poor formability at room temperature. Therefore, the knowledge of recrystallization and grain growth is critical for modifying textures of Mg-Al alloy sheets. The static recrystallization and texture evolution in a cold-rolled dilute Mg-1Al (wt.%) alloy during various annealed temperatures ranging from 300 °C to 450 °C, have been investigated using the quasi in-situ electron backscatter diffraction (EBSD) method. The as-rolled Mg-1Al alloy shows a dominant basal texture, which weakens and broadens in the rolling direction (RD) during the subsequent annealing, accompanied by the formation of <span><math><mrow><mo>〈</mo><mrow><mn>1</mn><mspace></mspace></mrow><mn>0</mn><mspace></mspace><mover><mn>1</mn><mo>¯</mo></mover><mspace></mspace><mn>0</mn><mo>〉</mo></mrow></math></span> texture component. Particularly, the <span><math><mrow><mo>〈</mo><mrow><mn>1</mn><mspace></mspace></mrow><mn>0</mn><mspace></mspace><mover><mn>1</mn><mo>¯</mo></mover><mrow><mspace></mspace><mn>0</mn></mrow><mo>〉</mo></mrow></math></span> texture component is more pronounced after annealing at high temperatures. The quasi in-situ EBSD results show that recrystallized grains are mainly induced by shear bands, which exhibit a wide spectrum of orientations with c-axis tilt angles ranging 20°-45° from the normal direction (ND). Orientations of shear band-induced recrystallized grains are retained during the entire recrystallization process, resulting in a reduction in the texture intensity. Moreover, recrystallized grains belonging to the <span><math><mrow><mo>〈</mo><mrow><mn>1</mn><mspace></mspace></mrow><mn>0</mn><mspace></mspace><mover><mn>1</mn><mo>¯</mo></mover><mrow><mspace></mspace><mn>0</mn></mrow><mo>〉</mo></mrow></math></span> texture component grow preferentially compared to those with other orientations, which is attributed to low energy grain boundaries, especially grain boundaries with ∼30° misorientation angles. Furthermore, the high temperature annealing facilitates the rapid growth of grain boundaries having a 30° misorientation angle, leading to the occurrence of distinct <span><math><mrow><mo>〈</mo><mrow><mn>1</mn><mspace></mspace></mrow><mn>0</mn><mspace></mspace><mover><mn>1</mn><mo>¯</mo></mover><mrow><mspace></mspace><mn>0</mn></mrow><mo>〉</mo></mrow></math></span> texture after annealing at 450 °C for 1 h. The results provide insights for texture modification of rare earth-free low-alloyed Mg alloys by controlling annealing parameters.</div></div>\",\"PeriodicalId\":16214,\"journal\":{\"name\":\"Journal of Magnesium and Alloys\",\"volume\":\"13 3\",\"pages\":\"Pages 1133-1148\"},\"PeriodicalIF\":15.8000,\"publicationDate\":\"2025-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Magnesium and Alloys\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S221395672400135X\",\"RegionNum\":1,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"METALLURGY & METALLURGICAL ENGINEERING\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Magnesium and Alloys","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S221395672400135X","RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"METALLURGY & METALLURGICAL ENGINEERING","Score":null,"Total":0}
引用次数: 0

摘要

常规轧制mg -铝合金板材在再结晶退火后,由于基底取向晶粒的优先生长,基底织构仍然存在,甚至可能增强,导致室温成形性差。因此,了解再结晶和晶粒长大对改善Mg-Al合金板的织构至关重要。采用准原位电子背散射衍射(EBSD)方法研究了冷轧稀Mg-1Al (wt.%)合金在300 ~ 450℃不同退火温度下的静态再结晶和织构演变。轧制态Mg-1Al合金以基态织构为主,在后续退火过程中,基态织构在轧制方向(RD)上减弱变宽,并形成< 101¯0 >织构成分。特别是,< 101¯0 >织构成分在高温退火后更为明显。准原位EBSD结果表明,再结晶晶粒主要由剪切带引起,其取向谱宽,c轴倾角为距法向20°~ 45°。在整个再结晶过程中,剪切带诱导的再结晶晶粒的取向被保留,导致织构强度降低。此外,与其他取向的晶粒相比,< 101¯0 >织构成分的再结晶晶粒生长优先,这是由于低能晶界,尤其是取向角为~ 30°的晶界。此外,高温退火有利于晶界的快速生长,其取向角为30°,导致在450℃退火1 h后出现明显的< 101¯0 >织构。研究结果为控制退火参数对无稀土低合金镁合金织构的改性提供了参考。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Unexpected texture transition induced by grain growth during static annealing of a dilute Mg-1Al alloy
Conventional rolled Mg-Al alloy sheets typically exhibit strong basal textures that remain and may even strengthen after recrystallization annealing due to the preferential growth of basal-oriented grains, resulting in poor formability at room temperature. Therefore, the knowledge of recrystallization and grain growth is critical for modifying textures of Mg-Al alloy sheets. The static recrystallization and texture evolution in a cold-rolled dilute Mg-1Al (wt.%) alloy during various annealed temperatures ranging from 300 °C to 450 °C, have been investigated using the quasi in-situ electron backscatter diffraction (EBSD) method. The as-rolled Mg-1Al alloy shows a dominant basal texture, which weakens and broadens in the rolling direction (RD) during the subsequent annealing, accompanied by the formation of 101¯0 texture component. Particularly, the 101¯0 texture component is more pronounced after annealing at high temperatures. The quasi in-situ EBSD results show that recrystallized grains are mainly induced by shear bands, which exhibit a wide spectrum of orientations with c-axis tilt angles ranging 20°-45° from the normal direction (ND). Orientations of shear band-induced recrystallized grains are retained during the entire recrystallization process, resulting in a reduction in the texture intensity. Moreover, recrystallized grains belonging to the 101¯0 texture component grow preferentially compared to those with other orientations, which is attributed to low energy grain boundaries, especially grain boundaries with ∼30° misorientation angles. Furthermore, the high temperature annealing facilitates the rapid growth of grain boundaries having a 30° misorientation angle, leading to the occurrence of distinct 101¯0 texture after annealing at 450 °C for 1 h. The results provide insights for texture modification of rare earth-free low-alloyed Mg alloys by controlling annealing parameters.
求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
Journal of Magnesium and Alloys
Journal of Magnesium and Alloys Engineering-Mechanics of Materials
CiteScore
20.20
自引率
14.80%
发文量
52
审稿时长
59 days
期刊介绍: The Journal of Magnesium and Alloys serves as a global platform for both theoretical and experimental studies in magnesium science and engineering. It welcomes submissions investigating various scientific and engineering factors impacting the metallurgy, processing, microstructure, properties, and applications of magnesium and alloys. The journal covers all aspects of magnesium and alloy research, including raw materials, alloy casting, extrusion and deformation, corrosion and surface treatment, joining and machining, simulation and modeling, microstructure evolution and mechanical properties, new alloy development, magnesium-based composites, bio-materials and energy materials, applications, and recycling.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信