DYNAMIC_RECRYSTALLIZATION

作品数：433被引量：1416H指数：14
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Recrystallization behavior and microstructure evolution of Mg-5Bi-3Al alloy during very high-speed extrusion
《Journal of Materials Science & Technology》2024年第24期233-249,共17页Sang-Cheol Jin Ye Jin Kim Dong Hee Lee Sang-Ho Han Sumi Jo Sung Hyuk Park 
financially supported by the National Research Foundation of Korea(NRF)(Nos.2019R1A2C1085272 and RS-2023-00244478);funded by the Ministry of Science,ICT,and Future Plan-ning(MSIP,South Korea).
In our previous study,we extruded Mg-5Bi-3Al(BA53,wt.%)alloy at a very high speed of 70 m/min,and the high-speed-extruded alloy exhibited an unusual fine grain structure.Since dynamic recrystallization(DRX)behavior de...
关键词：High-speed extrusion Bi-containing Mg alloy Dynamic recrystallization Texture Microstructure 
Impact of uneven distribution of grain characteristics on yield strength and martensitic transformation of as-hot-rolled medium-entropy alloys
《Journal of Materials Science & Technology》2024年第10期234-245,共12页Jungwan Lee Hyojin Park Sujung Son Jae Wung Bae Jin You Kim Sung Kyu Kim Jae-il Jang Hyoung Seop Kim 
POSCO(No.2021Y037);Nano&Material Technology Development Program through the National Research Foundation of Korea(NRF)funded by Ministry of Science and ICT(No.RS-2023-00281246);National Research Foundation of Korea(NRF)grant funded by the Korea government(MSIP)(Nos.NRF–2021R1A2C3006662 and NRF-2022R1F1A1073796);J.L.acknowledges support from the Basic Science Research Program through the National Research Foundation of Korea(NRF)funded by the Ministry of Education(No.RS-2023-00276120).
As-hot-rolled medium-entropy alloys(MEAs)with unevenly distributed grain sizes of face-centered cubic grains exhibit better yield strength without uniform elongation loss compared to cold-rolled and an-nealed ones.Suc...
关键词：Dynamic recrystallization Nucleation and growth HETEROGENEITY Grain size distribution Deformation-induced martensitic transformation 
Relationship between β→α dynamic transformation and dynamic recrystallization under thermomechanical coupling in Ti-5Al-5Mo-5V-1Cr-1Fe alloy被引量：1
《Journal of Materials Science & Technology》2024年第12期98-113,共16页Yue Dong Xingang Liu Hao Xu Yini He Yujiao Ke Wenwen Zhang 
The thermal simulation compression tests of near-β titanium alloy Ti-5Al-5Mo-5V-1Cr-1Fe were per-formed within the range of deformation temperatures of 710-860 ℃ and strain rates of 0.001-1 s^(-1).Based on electron ...
关键词：Ti-55511 alloy Dynamic transformation Dynamic recrystallization Strain-induced phase transformation Burgers orientation relationship 
Effect of Al_(2)O_(3)fiber on twin intersections-induced dynamic recrystallization in fine-grained TiAl matrix composite被引量：1
《Journal of Materials Science & Technology》2024年第5期1-14,共14页Yaofeng Luo Yan Wang Li Wang Bin Liu Yong Liu 
the National Science and Technology Major Project(No.2019700160157);the Natural Science Foundation of Hunan Province(No.2021JJ40761);the Central South University Innovation-Driven Research Programmme(No.v2023CXQD030);the Independent Innovation Fund Project Aero Engine Corporation of China(No.CXPT-2021-001);the Postgraduate Scientific Research Innovation Project of Hunan Province(No.CX20230163);the Fundamental Research Funds for the Cen-tral Universities of Central South University(No.2023ZZTS0078)for providing financial support.
Dynamic recrystallization(DRX)is of great significance for the thermomechanical processing and microstructural regulation of TiAl intermetallics.However,the underlying DRX mechanism remains poorly understood.In this s...
关键词：TiAl matrix composite Al_(2)O_(3)fiber Twin intersection Dynamic recrystallization 
Systematic analysis of distinct flow characteristics and underlying microstructural evolution mechanisms of a novel fine-grained P/M nickel-based superalloy during isothermal compression被引量：1
《Journal of Materials Science & Technology》2023年第31期57-73,共17页Hongning Wen Junsong Jin Xuefeng Tang Xinyun Wang Heyang Yang Yiding Zhang Lei Deng Pan Gong Qingsong Wei Yingjie He Jianzheng Guo 
supported by the National Natural Science Foundation of China(Nos.52175319 and 52090043);the Fundamental Research Funds for the Central Universities(No.YCJJ202202003);the National Science and Technology Major Project(No.2017-Ⅵ-0009-0080).
Isothermal forging(IF)is an effective method for forming difficult-to-deform materials like P/M superalloys.Understanding the isothermal compression microstructural evolution mechanism of a novel P/M s-peralloy provid...
关键词：P/M nickel-based superalloy Flow characteristic Microstructural evolution Superplastic flow Dynamic recrystallization 
Ultrafine-grained Ti6Al7Nb-xCu alloy with ultrahigh strength and exceptional biomedical properties
《Journal of Materials Science & Technology》2023年第33期68-78,共11页Yi Li Hai Wang Konrad Koenigsmann Hui Liu Shuyuan Zhang Ling Ren Ke Yang 
financially supported by the National Key Research and Development Program of China(No.2022YFC2406003);the Bintech-IMR R&D Program(No.GYY-JSBU-2022-008).
Grain refinement has been found to be able to improve the strength of metals without reducing their plasticity or ductility.In this work,ultrafine-grained Ti6Al7Nb-xCu(x=0,3 wt%,6 wt%,9 wt%)alloys were fabricated base...
关键词：High strength titanium alloy Ultrafine grain ANTIBACTERIAL Dynamic recrystallization 
Dislocation behavior in Cu single crystal joints under the ultrasonically excited high-strain-rate deformation被引量：1
《Journal of Materials Science & Technology》2023年第10期66-77,共12页Qiuchen Ma Jingyuan Ma Jianli Zhou Xiaoxiong Zheng Hongjun Ji 
supported by the National Nat-ural Science Foundation of China(No.52175310);A part of the work was also supported by the National Science and Technology Major Project(No.2017-VI-0009-0080);the Guang-dong Province Key Research and Development Program(No.2019B010935001);and the Shenzhen Science and Technology Plan(No.GXWD20201230155427003-20200821172456002).
The coupling effects of ultrasonic excitation and high-strain-rate deformation are the core factors for weld formation during ultrasonic welding.However,interfacial deformation behavior still shrouds in uncer-tainty b...
关键词：Acoustoplasticity Ultrasonic welding Cu single crystal Dynamic recrystallization Dislocation cell High-strain-rate deformation 
Dynamic microstructure evolution and mechanical properties of dilute Mg-Al-Ca-Mn alloy during hot rolling被引量：3
《Journal of Materials Science & Technology》2022年第34期1-14,共14页Shiwei Xu Congcong Zhu Zhanhong Lin Chen Jin S.Kamado K.Oh-ishi Yun Qin 
supported financially by the Science and Technology Innovation Leading Talent of Hunan Province Project (No.2020RC4013);“Technology Innovation 2025” Major Special Project of Ningbo City;partially supported by Grantin-Aid for Scientific Research (No. 22246094);Grant-in-Aid for Scientific Research (No. 21360348);Research Activity Start-up (No.22860028) from JSPS,Japan。
The dynamic microstructure and texture of dilute Mg-0.50Al-0.71Ca-0.33Mn(wt.%) during hot rolling at two slab temperatures were investigated by electron backscattered diffraction(EBSD) and high resolution transmission...
关键词：Mg-Al-Ca-Mn alloy Hot rolling Dynamic recrystallization Texture control Mechanical properties 
Fabrication of ultrafine-grained Ti-15Zr-xCu alloys through martensite decompositions under thermomechanical coupling conditions
《Journal of Materials Science & Technology》2022年第32期19-28,共10页Wenwei Gao Hai Wang Konrad Koenigsmann Shuyuan Zhang Ling Ren Ke Yang 
the National Key Research and Development Program of China(No.2018YFC1106601);the Doctoral Scientific Research Foundation of Liaoning Province(No.2020BS002)。
Grain refinement is a well-recognized method to simultaneously increase the strength and ductility of metallic materials.Fabrication of ultrafine-grained metals in bulk using a simple low-cost approach is a long-term ...
关键词：Titanium alloy Dynamic recrystallization Hot deformation Nucleation 
Microstructural evolution and strengthening mechanism of Al–Mg alloys with fine grains processed by accumulative continuous extrusion forming被引量：5
《Journal of Materials Science & Technology》2022年第33期195-204,共10页Bowei Yang Yu Wang Minqiang Gao Changfeng Wang Renguo Guan 
supported by the National Key Research and Development Program of China[No.2018YFB2001800];the National Natural Science Foundation of China(No.51871184);the Dalian High-level Talents Innovation Support Program(No.2021RD06);the Dongguan Graduate Workstation Project(No.20201900300032)。
In this work,the mechanical properties and strengthening mechanisms induced by microstructural evolution in a rheo-extruded 5087 alloy processed via accumulative continuous extrusion forming(ACEF)were investigated.Ele...
关键词：Al-Mg alloy Grain refinement Mechanical property Dynamic recrystallization Strengthening mechanism 
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