Deformation twins (DTs) and stacking faults (SFs) are rarely found in Cu-20Ni-20Mn alloy, which limits further strengthening of alloy. Here, we report ultra-strong Cu-20Ni-20Mn alloy prepared by in...The Cu-20Ni-20Mn alloy sheet exhibiting an unprecedented strength-ductility synergy has been prepared by a two-step rolling process. The ultrafine grain structure containing substantial deformation...
{"title":"Enhanced strength-ductility synergy in an ultra-strong copper alloy via coherent nanoprecipitates and stress-induced twinning","authors":"Kui Jin, Jiangnan Li, Caiju Li, Qiong Lu, Zunyan Xu, Yuanqi You, Peng Gao, Liang Liu, Jianhong Yi, Jurgen Eckert","doi":"10.1080/21663831.2024.2319927","DOIUrl":"https://doi.org/10.1080/21663831.2024.2319927","url":null,"abstract":"Deformation twins (DTs) and stacking faults (SFs) are rarely found in Cu-20Ni-20Mn alloy, which limits further strengthening of alloy. Here, we report ultra-strong Cu-20Ni-20Mn alloy prepared by in...The Cu-20Ni-20Mn alloy sheet exhibiting an unprecedented strength-ductility synergy has been prepared by a two-step rolling process. The ultrafine grain structure containing substantial deformation...","PeriodicalId":18291,"journal":{"name":"Materials Research Letters","volume":"30 1","pages":""},"PeriodicalIF":8.3,"publicationDate":"2024-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139920778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-02-21DOI: 10.1080/21663831.2024.2316204
Sofia Sheikh, Brent Vela, Vahid Attari, Xueqin Huang, Peter Morcos, James Hanagan, Cafer Acemi, Ibrahim Karaman, Alaa Elwany, Raymundo Arroyave´
Additive manufacturing (AM), especially Laser Powder-Bed Fusion (L-PBF), provides alloys with unique properties, but faces printability challenges like porosity and cracks. To address these issues,...
{"title":"Exploring chemistry and additive manufacturing design spaces: a perspective on computationally-guided design of printable alloys","authors":"Sofia Sheikh, Brent Vela, Vahid Attari, Xueqin Huang, Peter Morcos, James Hanagan, Cafer Acemi, Ibrahim Karaman, Alaa Elwany, Raymundo Arroyave´","doi":"10.1080/21663831.2024.2316204","DOIUrl":"https://doi.org/10.1080/21663831.2024.2316204","url":null,"abstract":"Additive manufacturing (AM), especially Laser Powder-Bed Fusion (L-PBF), provides alloys with unique properties, but faces printability challenges like porosity and cracks. To address these issues,...","PeriodicalId":18291,"journal":{"name":"Materials Research Letters","volume":"15 1","pages":""},"PeriodicalIF":8.3,"publicationDate":"2024-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139951622","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Generally, deformation in Ti and Ti alloys are dominated by dislocations and deformation twins. In this work, a novel deformation band (DB) has been observed in the fully lamellar Ti-6Al-4V alloy. ...First observing the existence of kink band and unveiling the kink band induced β to α phase transformation mechanism in α+β Ti alloys.
{"title":"Kink band induced β→α phase transformation in lamellar α+β Ti alloys","authors":"Xiaodong Zheng, Kaixin Sun, Yingjie Ma, Rui Yang, Shijian Zheng","doi":"10.1080/21663831.2024.2313076","DOIUrl":"https://doi.org/10.1080/21663831.2024.2313076","url":null,"abstract":"Generally, deformation in Ti and Ti alloys are dominated by dislocations and deformation twins. In this work, a novel deformation band (DB) has been observed in the fully lamellar Ti-6Al-4V alloy. ...First observing the existence of kink band and unveiling the kink band induced β to α phase transformation mechanism in α+β Ti alloys.","PeriodicalId":18291,"journal":{"name":"Materials Research Letters","volume":"93 1","pages":""},"PeriodicalIF":8.3,"publicationDate":"2024-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139920779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-02-15DOI: 10.1080/21663831.2024.2314146
Yunpeng Hu, Yi Ru, Xichen Zhou, Boxuan Du, Lilun Geng, Yang Cao, Fan Yang, Yanling Pei, Shusuo Li, Jian Li, Ben Chen, Ming Gu, Qingyun Xiao, Xiang Wang, Shengkai Gong
Academic debate still exists as to whether and how multi-scale microstructure recovery is linked to creep properties rejuvenation of superalloys. We propose a rejuvenation heat treatment (RHT) for ...Special creep time and plastic deformation limit determined complete rejuvenation: the first relates to phase- and dislocation-recovery, and the latter is not fixed depending on plastic deformation...
{"title":"Correlating microstructure recovery to rejuvenation of high-temperature creep properties in a crept single-crystal superalloy","authors":"Yunpeng Hu, Yi Ru, Xichen Zhou, Boxuan Du, Lilun Geng, Yang Cao, Fan Yang, Yanling Pei, Shusuo Li, Jian Li, Ben Chen, Ming Gu, Qingyun Xiao, Xiang Wang, Shengkai Gong","doi":"10.1080/21663831.2024.2314146","DOIUrl":"https://doi.org/10.1080/21663831.2024.2314146","url":null,"abstract":"Academic debate still exists as to whether and how multi-scale microstructure recovery is linked to creep properties rejuvenation of superalloys. We propose a rejuvenation heat treatment (RHT) for ...Special creep time and plastic deformation limit determined complete rejuvenation: the first relates to phase- and dislocation-recovery, and the latter is not fixed depending on plastic deformation...","PeriodicalId":18291,"journal":{"name":"Materials Research Letters","volume":"10 1","pages":""},"PeriodicalIF":8.3,"publicationDate":"2024-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139757393","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-02-15DOI: 10.1080/21663831.2024.2316207
Lukas Weissitsch, Stefan Wurster, Heinz Krenn, Andrea Bachmaier
The ferromagnetic α-MnBi phase as non-rare earth magnetic material has gained increasing interest, but the fabrication of large volumes containing a significant amount of α-MnBi is still challengin...A novel solid-state processing route consisting of multistep severe plastic deformation and magnetic field annealing is presented, which opens a new pathway for processing rare-earth free bulk magn...
{"title":"Multistep severe plastic deformation to achieve non-rare earth bulk magnets with high α-MnBi phase content","authors":"Lukas Weissitsch, Stefan Wurster, Heinz Krenn, Andrea Bachmaier","doi":"10.1080/21663831.2024.2316207","DOIUrl":"https://doi.org/10.1080/21663831.2024.2316207","url":null,"abstract":"The ferromagnetic α-MnBi phase as non-rare earth magnetic material has gained increasing interest, but the fabrication of large volumes containing a significant amount of α-MnBi is still challengin...A novel solid-state processing route consisting of multistep severe plastic deformation and magnetic field annealing is presented, which opens a new pathway for processing rare-earth free bulk magn...","PeriodicalId":18291,"journal":{"name":"Materials Research Letters","volume":"64 1","pages":""},"PeriodicalIF":8.3,"publicationDate":"2024-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139757463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
This study investigates particle governed thermal stability in lamellar-nanostructured Al–1.0%Si using in-situ transmission electron microscopy and post-mortem observations. Microstructural coarsen...We uncover the mechanisms by which dispersed nanoparticles govern Y-junction motion during coarsening of lamellar nanostructures, in particular the synergetic pinning from particle-decorated interc...
本研究利用原位透射电子显微镜和死后观察，研究了颗粒对片状纳米结构 Al-1.0%Si 热稳定性的影响。...我们揭示了分散纳米粒子在片状纳米结构粗化过程中支配 Y 型连接运动的机制，特别是粒子装饰间的协同引力。
{"title":"Uncovering the role of nanoscale Si particles on the thermal stability of a lamellar-nanostructured Al–1%Si alloy","authors":"Linfei Shuai, Tianlin Huang, Tianbo Yu, Guilin Wu, Xiaoxu Huang","doi":"10.1080/21663831.2024.2316198","DOIUrl":"https://doi.org/10.1080/21663831.2024.2316198","url":null,"abstract":"This study investigates particle governed thermal stability in lamellar-nanostructured Al–1.0%Si using in-situ transmission electron microscopy and post-mortem observations. Microstructural coarsen...We uncover the mechanisms by which dispersed nanoparticles govern Y-junction motion during coarsening of lamellar nanostructures, in particular the synergetic pinning from particle-decorated interc...","PeriodicalId":18291,"journal":{"name":"Materials Research Letters","volume":"15 1","pages":""},"PeriodicalIF":8.3,"publicationDate":"2024-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139757397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-02-09DOI: 10.1080/21663831.2024.2313104
Hyojung Kim, Nithin Mathew, Darby J. Luscher, Abigail Hunter
Non-Schmid effects in a representative refractory multi-principal element alloy (MPEA), MoNbTi, are investigated using molecular statics (MS) and phase field dislocation dynamics (PFDD). In additio...
{"title":"Non-Schmid effects in a model refractory multi-principal element alloy: phase-field dislocation dynamics informed by atomistic simulations","authors":"Hyojung Kim, Nithin Mathew, Darby J. Luscher, Abigail Hunter","doi":"10.1080/21663831.2024.2313104","DOIUrl":"https://doi.org/10.1080/21663831.2024.2313104","url":null,"abstract":"Non-Schmid effects in a representative refractory multi-principal element alloy (MPEA), MoNbTi, are investigated using molecular statics (MS) and phase field dislocation dynamics (PFDD). In additio...","PeriodicalId":18291,"journal":{"name":"Materials Research Letters","volume":"55 1","pages":""},"PeriodicalIF":8.3,"publicationDate":"2024-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139757459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-02-09DOI: 10.1080/21663831.2024.2314145
Yu Xuan, Jiaqiang Chang, Yao Ou, Rui Yang, Zhenbo Zhang
Here we reported a novel approach to architect heterostructure in steels with superior mechanical properties by laser powder bed fusion (LPBF). By taking advantage of intrinsic heat treatment durin...We propose a novel methodology to architect heterostructure in steels with superior properties by exploiting the interplay between molten pools and intrinsic heat treatment during LPBF.
{"title":"Heterogeneous structure architected by additive manufacturing: facile route towards strong and ductile steel","authors":"Yu Xuan, Jiaqiang Chang, Yao Ou, Rui Yang, Zhenbo Zhang","doi":"10.1080/21663831.2024.2314145","DOIUrl":"https://doi.org/10.1080/21663831.2024.2314145","url":null,"abstract":"Here we reported a novel approach to architect heterostructure in steels with superior mechanical properties by laser powder bed fusion (LPBF). By taking advantage of intrinsic heat treatment durin...We propose a novel methodology to architect heterostructure in steels with superior properties by exploiting the interplay between molten pools and intrinsic heat treatment during LPBF.","PeriodicalId":18291,"journal":{"name":"Materials Research Letters","volume":"54 1","pages":""},"PeriodicalIF":8.3,"publicationDate":"2024-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139757460","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-02-06DOI: 10.1080/21663831.2024.2312146
Hongfei Zhang, Kai Chen, Sicong Lin, Rui Fu, Bozhao Zhang, Jun Ding, Zongqiang Feng, Xiaoxu Huang, Evan Ma
Dislocation recovery lowering the driving force for recrystallization would be able to suppress the latter in Ni-based superalloy single crystals, but was believed unlikely due to their low stackin...In γ/γ′ two-phase Ni-based superalloy single crystals, dislocation recovery is achieved via an interphase-boundary motion enabled mechanism, defying the traditional wisdom of dislocation climb/cros...
{"title":"Recovery facilitated by interphase boundary motion circumvents recrystallization in superalloy single crystals","authors":"Hongfei Zhang, Kai Chen, Sicong Lin, Rui Fu, Bozhao Zhang, Jun Ding, Zongqiang Feng, Xiaoxu Huang, Evan Ma","doi":"10.1080/21663831.2024.2312146","DOIUrl":"https://doi.org/10.1080/21663831.2024.2312146","url":null,"abstract":"Dislocation recovery lowering the driving force for recrystallization would be able to suppress the latter in Ni-based superalloy single crystals, but was believed unlikely due to their low stackin...In γ/γ′ two-phase Ni-based superalloy single crystals, dislocation recovery is achieved via an interphase-boundary motion enabled mechanism, defying the traditional wisdom of dislocation climb/cros...","PeriodicalId":18291,"journal":{"name":"Materials Research Letters","volume":"45 1","pages":""},"PeriodicalIF":8.3,"publicationDate":"2024-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139757523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-01-31DOI: 10.1080/21663831.2024.2309271
Mei Lin, Jianlin Lu, Yiming Chen, Zhongsheng Yang, Xin Liu, Kaiwei Zhang, Zhijun Wang, Junjie Li, Jincheng Wang, Feng He
The metastable-stable transition and rapid coarsening of metastable D022 phase remains its Achilles hell, restricting the application of D022-strengthened alloys at service temperatures higher than...
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