Δ-FERRITE

作品数：14被引量：24H指数：3
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相关领域：金属学及工艺一般工业技术更多>>
相关期刊：《Journal of Iron and Steel Research International》《Journal of Materials Science & Technology》《Baosteel Technical Research》《Defence Technology（防务技术）》更多>>
相关基金：国家自然科学基金中国博士后科学基金更多>>
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Coupling Effect Mechanism of theδ-Ferrite and M_(23)C_(6) on the Mechanical Properties of 9Cr-Steel Deposited Metals
《Acta Metallurgica Sinica(English Letters)》2025年第1期121-138,共18页Qishan Sun Shitong Wei Shanping Lu 
supported by the LingChuang Research Project of China National Nuclear Corporation,China Institute of Atomic Energy(E141L803J1);the Natural Science Foundation of Heilongjiang Province(No.TD2021E006).
9Cr ferritic/martensitic(9Cr F/M)steels are considered ideal structural materials for various nuclear energy systems.However,δ-ferrite(δ),as a controlled phase,may occur in its welds.Three deposited metals with diff...
关键词：Deposited metals 9Cr-steels Δ-FERRITE Mechanical properties 
Effects of Aging at 550℃ on α'-Martensitic Transformation of High Si-Bearing Metastable Austenitic Stainless Steel Weld Metal
《Acta Metallurgica Sinica(English Letters)》2024年第9期1467-1479,共13页Yakui Chen Shitong Wei Dong Wu Shanping Lu 
supported by the National Key Research and Development Program of China(2018YFA0702902);the Innovation Project of Shenyang National Laboratory for Materials Science(SYNL-2022);the China Institute of Atomic Energy(E141L803J1).
The high Si-bearing 15Cr-9Ni-Nb metastable austenitic stainless steel weld metal was prepared via gas tungsten arc welding and then processed by stabilized heat treatment(SHT)at 850℃ for 3 h.The effects of 550℃ agin...
关键词：Metastable austenitic stainless steel weld metal α'-martensitic transformation Δ-FERRITE σ-phase 
Toughening ultrastrong low-density steel by textured δ-ferrite lamellas
《Defence Technology（防务技术）》2024年第2期405-411,共7页Bin Hu Guosen Zhu Guohui Shen Zheng Wang Qinghua Wen Xiao Shen Haiwen Luo 
financial support from National Natural Science Foundation of China(Grant Nos.51831002,51904028 and 52233018),China;Fundamental Research Funds for the Central Universities(Grant No.06500151),China.
By both the Charpy V-notched impact and the projectile tests, we here investigated the dynamic fracture behavior of a recently developed ultrastrong lightweight steel comprising a hierarchical martensitic matrix, disp...
关键词：Ultrastrong and light steel d-Ferrite lamellas Crack propagation TOUGHNESS 
Interactive effect of thermal aging and proton irradiation on microstructural evolution and hardening ofδ-ferrite in 308L stainless steel weld metal
《Journal of Materials Science & Technology》2024年第3期140-155,共16页Xiaodong Gao Xiaodong Lin Tao Guo Lining Xu Yaolei Han Baolong Jiang Xingyuan Mei Qunjia Peng Lijie Qiao 
supported by the National Natural Science Foundation of China(No.52071018).
In the harsh service environment of high temperature and intense neutron irradiation in water-cooled nuclear reactors,the austenitic stainless steel weld overlay cladding on the inner surface of the reactor pressure v...
关键词：Austenitic stainless steel weld metals Thermal aging Proton irradiation Interaction Microstructural evolution HARDENING 
Failure analysis of crevice corrosion on 304 stainless steel tube heat exchanger
《Journal of Iron and Steel Research International》2023年第8期1490-1498,共9页Chen Dong Shen Qu Chang-ming Fu Zhe-feng Zhang 
The cause of the premature failure of 304 stainless steel tube heat exchanger was investigated.The unique skeleton structure inside the leakage point reveals that this is a new damage mechanism caused by a δ+γ two-p...
关键词：Crevice corrosion Weld defect Chloride ions Δ-FERRITE Skeleton structure 304 stainless steel 
Role ofδ-ferrite in fatigue crack growth of AISI 316 austenitic stainless steel被引量：6
《Journal of Materials Science & Technology》2022年第19期7-15,共9页Qiyu Wang Shenghu Chen Xinliang Lv Haichang Jiang Lijian Rong 
financially supported by the National Natural Science Foundation of China (No. 51871218);the Youth Innovation Promotion Association, CAS (No. 2018227);the Ling Chuang Research Project of China National Nuclear Corporation;CNNC Science Fund for Talented Young Scholars
FF sample(nearly free ofδ-ferrite)and CF sample(containing∼4%δ-ferrite)were prepared from the AISI 316 austenitic stainless steel plate to elucidate the role ofδ-ferrite in the fatigue crack growth under the solut...
关键词：Austenitic stainless steel Δ-FERRITE Accelerated aging Fatigue crack growth Crack deflection 
Effect of Carbon Content on the Creep Rupture Properties and Microstructure of 316H Weld Metals被引量：2
《Acta Metallurgica Sinica(English Letters)》2021年第7期986-996,共11页Langlang Zhao Shitong Wei Dianbao Gao Shanping Lu 
financially supported by the Opening Foundation of CAS Key Laboratory of Nuclear Material and Safety Assessment under Grant No.2019NMSAKF04;the China Institute of Atomic Energy under Grant No.2016-DGB-I-KYSC-0024。
Two types of 316 butt welds with carbon contents of 0.016%and 0.062%have been produced using the gas tungsten arc welding process.Theδ-ferrite content decreased from 7.2 to 2.8%in volume as the carbon content increas...
关键词：316 stainless steel weld metal Creep rupture properties Δ-FERRITE M23C6 σphase 
δ-ferrite transformation mechanism and its effect on mechanical properties of 316H weld metal被引量：3
《Journal of Materials Science & Technology》2020年第22期33-42,共10页Langlang Zhao Shitong Wei Dong Wu Dianbao Gao Shanping Lu 
financially supported by the Opening Foundation of Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences (No. 2019NMSAKF04);China Institute of Atomic Energy (No. 2016DGB-I-KYSC-0024)。
The microstructure evolution and mechanical properties of the 316 H stainless steel weld metals with different C contents were studied at the aging temperature of 550℃ for different aging holding time.The transformat...
关键词：316H weld metal Aging treatment Δ-FERRITE M(23)C6 δphase Mechanical property 
Effect of cooling rate on microstructure and mechanical properties of CB2 tempered martensitic steel
《China Foundry》2020年第2期158-166,共9页Yu-lin Ma Yue Liu Li-ping Zhang Xu Jiang Chun-ming Liu 
The cooling rate of casting has a significant effect on microstructure and mechanical properties of castings.The 9Cr-1.5Mo-1Co cast steel,referred to as CB2,is one of the most promising alloys for various cast compone...
关键词：tempered martensitic STEEL CASTING microstructure M23C6 mechanical properties INCLUSIONS Δ-FERRITE 
Softening and recrystallization behavior of a new class of ferritic steel被引量：1
《Journal of Iron and Steel Research International》2019年第2期154-161,共8页Xiang-yu Xu Jian-zhe Li Xue-min Wang Wei Zhang Qian-nan Liu Cheng-jia Shang R.D.K.Misra 
In order to clarify the recrystallization mechanism of low-densityδ-ferrite steel Fe-4AI-2Ni,interrupted and single-pass compression tests were carried out.In this regard,five deformation temperatures(750-950 at an i...
关键词：Δ-FERRITE STEEL Interrupted compression test RECOVERY RECRYSTALLIZATION 
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