EMBRITTLEMENT

作品数：105被引量：167H指数：7
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相关机构：中国一拖集团有限公司中国原子能科学研究院中国科学院上海应用物理研究所南京工业大学更多>>
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A novel D0_(22)-strengthened medium entropy alloy with outstanding strength-ductility synergies over ambient and intermediate temperatures
《Journal of Materials Science & Technology》2024年第35期152-164,共13页Jie Gan Jinxiong Hou Tzuhsiu Chou Xier Luo Jiang Ju Junhua Luan Guoqiang Huang Bo Xiao Jixun Zhang Jianyang Zhang Yakun Tao Junheng Gao Tao Yang 
the City University of Hong Kong acknowl-edge the financial support from the Shenzhen Science and Tech-nology Program(Grant No.SGDX20210823104002016);the Hong Kong Research Grant Council(RGC)(Grant Nos.CityU 21205621 and C1020-21G);the National Natural Science Foundation of China(Grant No.52301174).
Precipitation-strengthened medium/high-entropy alloys(MEAs/HEAs)have great potential for high-temperature applications.In this study,we designed a novel Ni_(45.9)Fe_(23)Cr_(23)V_(4)Nb_(3)Mo_(1)B_(0.1)(at.%)MEA alloy,h...
关键词：Precipitation strengthening Medium-entropy alloys D0_(22)phase Intermediate-temperature embrittlement High-temperature deformation 
Development of a new irradiation-embrittlement prediction model for reactor pressure-vessel steels
《Nuclear Science and Techniques》2024年第11期182-192,共11页Qi-Bao Chu Lu Sun Zhen-Feng Tong Qing Wang 
supported by the National Key R&D Program of China (No. 2019YFB1900901);the Fundamental Research Funds for the Central Universities (No. 2021MS032)
Predicting the transition-temperature shift(TTS)induced by neutron irradiation in reactor pressure-vessel(RPV)steels is important for the evaluation and extension of nuclear power-plant lifetimes.Current prediction mo...
关键词：Reactor pressure vessel steel Transition temperature shift Irradiation embrittlement Embrittlement trend curve Prediction model 
Metallurgical Forensics: Investigating a Superheater Tube Failure in Industrial Process Plants
《World Journal of Engineering and Technology》2024年第3期742-758,共17页Kok Toong Leong 
A metallurgical forensic investigation was conducted to determine the cause of a failed superheater tube. Analysis techniques by Visual Examination, Energy Dispersive X-ray Analysis, Mechanical Testing and Metallograp...
关键词：Superheater Tubes Thermal Degradation Corrosion-Erosion EMBRITTLEMENT Stress Rupture 
Heterostructure high-entropy alloys with exceptional thermal stability and resistance towards intermediate temperature embrittlement
《Journal of Materials Science & Technology》2024年第21期228-233,共6页Boxuan Cao Wuxin Zhao Lijun Jing Yilu Zhao Jinxiong Hou Suzhu Yu Guoqiang Xie Weihong Liu Tao Yang Jun Wei 
the Harbin Institute of Technology(Shenzhen)acknowledge the fund from the National Natural Science Foundation of China(N o.52301141);the internal fund(Grant No.20220069);financially supported by the Shenzhen Science and Technology Program(Grant Nos.JCYJ20220818102403007,JCYJ20220531095217039,GXWD20231129195215001,and KQTD20200820113045083);Shenzhen Research Fund for Returned Scholars(DD11409017);The authors from the City University of Hong Kong(CityU)are grateful for the financial support from the Shenzhen Science and Technology Program(Grant No.SGDX20210823104002016);the Hong Kong Research Grant Council(Grant No.CityU 21205621).
The emergence of high-entropy alloys(HEAs)provides numerous elemental combinations to design advanced alloys for structural applications[1–4].Introducing coherent nanoparticles into a face-centered cubic(FCC)high-ent...
关键词：ALLOYS RESISTANCE DUCTILE 
Review on the design of high-strength and hydrogen-embrittlement-resistant steels被引量：1
《International Journal of Minerals,Metallurgy and Materials》2024年第7期1572-1589,共18页Zhiyu Du Rongjian Shi Xingyu Peng Kewei Gao Xiaolu Pang 
the National Key Research and Development Program of China(No.2022YFB3709000);the National Natural Science Foundation of China(Nos.52201060 and 51922002);the China Postdoctoral Science Foundation(Nos.BX20220035 and 2022M710347);Science Center for Gas Turbine Project(No.P2022-B-IV-008-001);the Open Fund of State Key Laboratory of New Metal Materials,University of Science and Technology Beijing(No.2022Z-18)。
Given the carbon peak and carbon neutrality era,there is an urgent need to develop high-strength steel with remarkable hydrogen embrittlement resistance.This is crucial in enhancing toughness and ensuring the utilizat...
关键词：hydrogen embrittlement surface design hydrogen traps nanosized precipitates 
Atomistic study on the microscopic mechanism of grain boundary embrittlement induced by small dense helium bubbles in iron
《Nuclear Science and Techniques》2024年第3期84-95,共12页Lei Peng Yong-Jie Sun Jing-Yi Shi Yi-Fei Liu Shang-Ming Chen Liu-Liu Li 
supported by the National Natural Science Foundation of China(Nos.12175231 and 11805131);Anhui Natural Science Foundation of China(No.2108085J05);the National Key Research and Development Plan of China(No.2018YFE0307101);the Collaborative Innovation Program of the Hefei Science Center,CAS(Nos.2021HSC-CIP020 and 2022HSC-CIP009)。
The helium bubbles induced by 14 MeV neutron irradiation can cause intergranular fractures in reduced activation ferritic martensitic steel,which is a candidate structural material for fusion reactors.In order to eluc...
关键词：Helium bubble Grain boundary EMBRITTLEMENT Reduced activation ferritic martensitic steel Molecular dynamics Bain path 
形貌优化提高富TRIP效应中锰钢的抗氢脆性能
《Science China Materials》2023年第11期4258-4266,共9页刘宇轩 曹祚恒 黄成鹏 胡晨 黄明欣 
the support from the National Natural Science Foundation of China(52130102);the National Key Research and Development Program of China(2019YFA0209900);the Research Grants Council of Hong Kong(R7066-18);the Innovation and Technology Fund(MHP/064/20)。
相变诱发塑性(TRIP)效应通常可显著提高中锰钢的加工硬化能力,从而获得出色的强度和塑性组合.然而,变形过程中生成的新鲜马氏体极易发生氢脆,是新型高强中锰钢开发的瓶颈问题.我们在此提出了一种长带状形貌来减轻新鲜马氏体引起的氢脆....
关键词：medium Mn steel TRIP effect morphology hydro-gen embrittlement warm rolling 
Role of grain boundary character on Bi segregation-induced embrittlement in ultrahigh-purity copper被引量：1
《Journal of Materials Science & Technology》2023年第28期52-61,共10页Y.X.Hua K.X.Song H.T.Liu J.W.Wang C.M.Zhang Y.J.Zhou B.Pang J.T.Song J.L.He H.L.Zhao 
the National Natu-ral Science Foundation of China(Nos.52071133,51904090 and 52071284);the Henan Province Science and Technology Tackling Key Problems Project(No.222102230001);the Henan Province Young Talent Lifting Engineering Project(No.2021HYTP018);the Central Plain Scholar Workstation Project(No.224400510025);the Key R&D projects of Henan Province(No.221111230600).
Bismuth(Bi),as an impurity element in copper and copper-based alloys,usually has a strong tendency of grain boundary(GB)segregation,which depends on the GB characters.However,the influence of such a segregation on the...
关键词：Grain boundary character EMBRITTLEMENT Bi segregation Atomic configuration Ultrahigh-purity copper 
Corrosion Behavior of GH3535 Alloy Induced by Selenium被引量：1
《Acta Metallurgica Sinica(English Letters)》2023年第6期1047-1056,共10页Zhenyuan Zhu Fenfen Han Yanyan Jia Changying Wang Cuilan Ren Hanxun Qiu Xingtai Zhou 
This work was financially supported by the National Natural Science Foundation of China(Grant Nos.52071331,51901241,52001322).
Corrosion behavior of a Ni-16Mo-7Cr base superalloy was systematically investigated under a selenium(Se)atmosphere at 700°C.It shows that Se can react with the alloy elements such as Ni,Mo,Cr et al.to form a reaction...
关键词：GH3535 alloy SELENIUM Fission product Intergranular embrittlement Molten salt reactor 
Neutron irradiation effects on mechanical properties of ITER specification tungsten被引量：2
《Tungsten》2021年第4期415-433,共19页Dmitry Terentyev Chih-Cheng Chang Chao Yin AZinovev Xin-Fu He 
funding from the Euratom research and training programme 2014–2018 and 2019–2020 under grant agreement No 633053
In this contribution,we present the results of recent neutron irradiation campaign performed in the material test reactor BR2(Belgium)on pure tungsten.We have applied various irradiation conditions and sample geometry...
关键词：TUNGSTEN Neutron irradiation EMBRITTLEMENT 
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