Article(id=1289282146737173012, tenantId=1146029695717560320, journalId=1287019424739590152, issueId=1289282136750539420, articleNumber=null, orderNo=null, doi=10.12442/j.issn.1002-185X.20250093, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1752076800000, receivedDateStr=2025-07-10, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1785318417485, onlineDateStr=2026-07-29, pubDate=1783612800000, pubDateStr=2026-07-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1785318417485, onlineIssueDateStr=2026-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1785318417485, creator=13701087609, updateTime=1785318417485, updator=13701087609, issue=Issue{id=1289282136750539420, tenantId=1146029695717560320, journalId=1287019424739590152, year='2026', volume='55', issue='7', pageStart='1701', pageEnd='1848', issueExtLink='null', onlineDate='null', pubDate='1783612800000', pubDateStr='2026-07-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1785318415105, creator='13701087609', updateTime=1785389094930, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1289578589494555490, tenantId=1146029695717560320, journalId=1287019424739590152, issueId=1289282136750539420, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1289578589498749795, tenantId=1146029695717560320, journalId=1287019424739590152, issueId=1289282136750539420, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=1775, endPage=1782, ext={EN=ArticleExt(id=1289282146921722389, articleId=1289282146737173012, tenantId=1146029695717560320, journalId=1287019424739590152, language=EN, title=Matrix/Precipitated Phase Interface Interaction of Deformation Age-Treated N36 Zirconium Alloy, columnId=null, journalTitle=Rare Metal Materials and Engineering, columnName=null, runingTitle=null, highlight=null, articleAbstract=

N36 zirconium alloy specimens were prepared by the severe plastic deformation process of equal channel dual angle pressing (ECDAP), followed by annealing and aging treatment. The initial microstructure was observed by OM. The types and morphological characteristics of the precipitated phases were analyzed by SEM and TEM. The bonding mechanism at the interface between the α-Zr matrix and the (Zr, Nb)2Fe precipitated phase after aging treatment was analyzed by combining the difference of valence electron density and the tensile strength. The influence of the precipitation behavior of the (Zr,Nb)2Fe on the microstructure and properties of N36 zirconium alloy prepared by the ECDAP process was investigated. The results indicate that the ECDAP process can significantly refine the grain and promote the uniform distribution of the precipitated phase in N36 zirconium alloy, which mainly consists of Zr(Nb,Fe)2 and (Zr,Nb)2Fe with a large number of internal striated dislocations. The difference of valence electron density at the interface between the α-Zr matrix and the (Zr,Nb)2Fe precipitated phase is 91.02%, and the lattice mismatch leads to increased resistance and instability of interfacial dislocation motion, which can generate susceptibility to relative motion and laminar dislocation initiation. Interfacial dislocations can induce matrix dislocation shifts to meet deformation demands. The increment in tensile strength after aging for 4 and 8 h reaches 2.14% and 10.36%, respectively, which is due to the increase in the reinforcement of the precipitated phase resulting from the strong electronic discontinuity between the precipitated phase and the matrix.

, authors=Kemin Xue, Yecheng Liu, Jiawei Wang, Yuan Liu, Jiajie Zhao, Ao Zhang, Ping Li, authorsList=Kemin Xue, Yecheng Liu, Jiawei Wang, Yuan Liu, Jiajie Zhao, Ao Zhang, Ping Li, authorCompany=null, correspAuthors=Ping Li, authorNote=null, correspAuthorsNote=
Li Ping, Ph. D., Professor, School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, P. R. China, E-mail:
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采用等通道双转角挤压(equal channel dual angle pressing, ECDAP)大塑性变形工艺制备N36锆合金试样,并进行退火和时效处理。使用OM观察了初始显微组织,使用SEM及TEM分析了沉淀相种类及形貌特征。结合价电子密度差与抗拉强度,分析了时效处理后α-Zr基体与(Zr, Nb)2Fe沉淀相界面的键合机制,探究了(Zr, Nb)2Fe颗粒析出行为对ECDAP工艺制备N36锆合金组织及性能的影响。结果表明:ECDAP工艺可以显著细化晶粒,并促进N36锆合金中沉淀相的均匀分布。析出相主要由Zr(Nb, Fe)2和(Zr, Nb)2Fe组成,并有大量的内部条纹位错。α-Zr基体与(Zr, Nb)2Fe沉淀相界面处的价电子密度差为91.02%,晶格失配导致界面位错运动阻力增大,不稳定性提高,易产生相对运动并引发层错。界面位错可能诱导基体位错移动以满足变形需要。4和8 h时效后N36锆合金抗拉强度增幅分别达到2.14%和10.36%,这是由于沉淀相与基体间的强电子不连续性导致的第二相强化增加。

, authors=薛克敏, 刘叶诚, 王嘉伟, 刘源, 赵佳杰, 张澳, 李萍, authorsList=薛克敏, 刘叶诚, 王嘉伟, 刘源, 赵佳杰, 张澳, 李萍, authorCompany=null, correspAuthors=李萍, authorNote=

薛克敏,男,1963年生,博士,教授,合肥工业大学材料科学与工程学院,安徽 合肥 230009,E-mail:

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薛克敏,男,1963年生,博士,教授,合肥工业大学材料科学与工程学院,安徽 合肥 230009,E-mail:

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薛克敏,男,1963年生,博士,教授,合肥工业大学材料科学与工程学院,安徽 合肥 230009,E-mail:

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变形时效处理N36锆合金基体/沉淀相界面相互作用研究
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薛克敏 , 刘叶诚 , 王嘉伟 , 刘源 , 赵佳杰 , 张澳 , 李萍
稀有金属材料与工程 | 材料科学 2026,55(7): 1775-1782
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稀有金属材料与工程 |材料科学 2026 , 55 (7) : 1775 -1782
变形时效处理N36锆合金基体/沉淀相界面相互作用研究
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薛克敏 , 刘叶诚, 王嘉伟, 刘源, 赵佳杰, 张澳, 李萍
作者信息
  • 合肥工业大学 材料科学与工程学院,安徽 合肥 230009
通讯作者:
李萍
作者简介:

薛克敏,男,1963年生,博士,教授,合肥工业大学材料科学与工程学院,安徽 合肥 230009,E-mail:

Matrix/Precipitated Phase Interface Interaction of Deformation Age-Treated N36 Zirconium Alloy
Kemin Xue , Yecheng Liu, Jiawei Wang, Yuan Liu, Jiajie Zhao, Ao Zhang, Ping Li
Affiliations
  • School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, China
  • Corresponding Author:
    Li Ping, Ph. D., Professor, School of Materials Science and Engineering, Hefei University of Technology, Hefei 230009, P. R. China, E-mail:
出版时间: 2026-07-10 doi: 10.12442/j.issn.1002-185X.20250093
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采用等通道双转角挤压(equal channel dual angle pressing, ECDAP)大塑性变形工艺制备N36锆合金试样,并进行退火和时效处理。使用OM观察了初始显微组织,使用SEM及TEM分析了沉淀相种类及形貌特征。结合价电子密度差与抗拉强度,分析了时效处理后α-Zr基体与(Zr, Nb)2Fe沉淀相界面的键合机制,探究了(Zr, Nb)2Fe颗粒析出行为对ECDAP工艺制备N36锆合金组织及性能的影响。结果表明:ECDAP工艺可以显著细化晶粒,并促进N36锆合金中沉淀相的均匀分布。析出相主要由Zr(Nb, Fe)2和(Zr, Nb)2Fe组成,并有大量的内部条纹位错。α-Zr基体与(Zr, Nb)2Fe沉淀相界面处的价电子密度差为91.02%,晶格失配导致界面位错运动阻力增大,不稳定性提高,易产生相对运动并引发层错。界面位错可能诱导基体位错移动以满足变形需要。4和8 h时效后N36锆合金抗拉强度增幅分别达到2.14%和10.36%,这是由于沉淀相与基体间的强电子不连续性导致的第二相强化增加。

大塑性变形  /  等通道双转角挤压  /  时效处理  /  沉淀相  /  价电子密度差

N36 zirconium alloy specimens were prepared by the severe plastic deformation process of equal channel dual angle pressing (ECDAP), followed by annealing and aging treatment. The initial microstructure was observed by OM. The types and morphological characteristics of the precipitated phases were analyzed by SEM and TEM. The bonding mechanism at the interface between the α-Zr matrix and the (Zr, Nb)2Fe precipitated phase after aging treatment was analyzed by combining the difference of valence electron density and the tensile strength. The influence of the precipitation behavior of the (Zr,Nb)2Fe on the microstructure and properties of N36 zirconium alloy prepared by the ECDAP process was investigated. The results indicate that the ECDAP process can significantly refine the grain and promote the uniform distribution of the precipitated phase in N36 zirconium alloy, which mainly consists of Zr(Nb,Fe)2 and (Zr,Nb)2Fe with a large number of internal striated dislocations. The difference of valence electron density at the interface between the α-Zr matrix and the (Zr,Nb)2Fe precipitated phase is 91.02%, and the lattice mismatch leads to increased resistance and instability of interfacial dislocation motion, which can generate susceptibility to relative motion and laminar dislocation initiation. Interfacial dislocations can induce matrix dislocation shifts to meet deformation demands. The increment in tensile strength after aging for 4 and 8 h reaches 2.14% and 10.36%, respectively, which is due to the increase in the reinforcement of the precipitated phase resulting from the strong electronic discontinuity between the precipitated phase and the matrix.

severe plastic deformation  /  equal channel dual angle pressing (ECDAP)  /  aging treatment  /  precipitated phase  /  difference of valence electron density
薛克敏, 刘叶诚, 王嘉伟, 刘源, 赵佳杰, 张澳, 李萍. 变形时效处理N36锆合金基体/沉淀相界面相互作用研究. 稀有金属材料与工程, 2026 , 55 (7) : 1775 -1782 . DOI: 10.12442/j.issn.1002-185X.20250093
Kemin Xue, Yecheng Liu, Jiawei Wang, Yuan Liu, Jiajie Zhao, Ao Zhang, Ping Li. Matrix/Precipitated Phase Interface Interaction of Deformation Age-Treated N36 Zirconium Alloy[J]. Rare Metal Materials and Engineering, 2026 , 55 (7) : 1775 -1782 . DOI: 10.12442/j.issn.1002-185X.20250093
  • 国家自然科学基金(52475342; 52375329; 51975175)
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doi: 10.12442/j.issn.1002-185X.20250093
  • 接收时间:2025-07-10
  • 首发时间:2026-07-29
  • 出版时间:2026-07-10
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  • 收稿日期:2025-07-10
基金
国家自然科学基金(52475342; 52375329; 51975175)
作者信息
    合肥工业大学 材料科学与工程学院,安徽 合肥 230009

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2种不同金属材料的力学参数

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genus
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species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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