PRECIPITATE

作品数:349被引量:1005H指数:12
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相关领域:一般工业技术金属学及工艺更多>>
相关作者:贾志宏王博涵郭岩侯淑芳张丁非更多>>
相关机构:中南大学重庆大学航天材料及工艺研究所西安热工研究院有限公司更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>
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Rapid drop in ductility of the bimodal-structured Mg-15Gd binary alloy during early aging
《Journal of Magnesium and Alloys》2024年第9期3772-3779,共8页R.G.Li S.Q.Zhou H.Zhang R.Z.Wu D.Wu J.R.Li B.S.Liu S.S.Li X.Li B.J.Wang 
supported by National Natural Science Foundation of China(Grant Nos.52171121,51971151,52201131,52201132,52171055 and 52071220);Liao Ning Xingliao Program(XLYC1907083);Natural Science Foundation of Liaoning Province of China(2022-NLTS-18-01);the Open Foundation of Key Laboratory of Superlight Materials&Surface Technology of Ministry of Education(HEU10202205).
A bimodal-structured Mg^(-1)5Gd binary alloy with 45%volume fraction of elongated grains and 55%of dynamically recrystallized(DRXed)grains is fabricated by the extrusion process.The precipitating behavior correlating ...
关键词:Mg-Gd alloy Bimodal structure SEGREGATION PRECIPITATE DISLOCATION Boundary 
Microstructural evolution of Mg-14Gd-0.4Zr alloy during compressive creep被引量:2
《Journal of Magnesium and Alloys》2023年第9期3161-3173,共13页Hui Shi Yuanding Huang Lixiang Yang Chunquan Liu Hajo Dieringa Chong Lu Lv Xiao Regine Willumeit-Römer Norbert Hort 
the Shanghai Sailing Program (23YF1417100);National Natural Science Foundation of China (U2037601);China Scholarship Council (Grant No: 202006890008) for the financial support。
The present work reports the creep behavior and microstructural evolution of the sand-cast Mg-14Gd-0.4Zr alloy(wt.%) prepared by the differential pressure casting machine. Their compressive creep tests at 250 ℃ were ...
关键词:Magnesium alloys Creep property MICROSTRUCTURES Precipitate chains DISLOCATION 
The influence of nanosized precipitates on Portevin-Le Chatelier bands and surface roughness in AlMgScZr alloy被引量:3
《Journal of Materials Science & Technology》2021年第28期74-82,共9页Yaoxiang Duan Han Chen Zhe Chen Lei Wang Mingliang Wang Jun Liu Fengguo Zhang Haowei Wang 
financially supported by the Natural Science Foundation of China(Nos.51971137,11875192,and U1930101)。
The influence of different precipitate-dislocation interactions,namely dislocation shearing and bypassing mechanisms,on PLC bands and the resultant surface roughness in AlMgScZr alloy was investigated.Three-dimensiona...
关键词:Aluminum alloys Precipitate-dislocation interaction Portevin-Le Chatelier Stress amplitude Surface roughness 
Dislocations-induced precipitates and their effect on mechanical properties of Mg-Gd-Y-Zr alloy被引量:15
《Journal of Magnesium and Alloys》2019年第3期414-418,共5页Chao You Churning Liu Yingchun Wan Bei Tang Bizheng Wang Yonghao Gao Xiuzhu Han 
The authors are grateful to the financial support from the National Basic Research Program of China(Grant no.2013 CB632200);the National Natural Science Foundation of China(Grant no.51574291);the Fund amental Research Funds for the Central Universities of Central South University(Grant no.502220002).
Optical microscope(OM),scanning electron microscope(SEM),transmission electron microscope(TEM)and tensile machine were used to characterize the microstructures and mechanical properties of as-forged and aged Mg-9.5Gd-...
关键词:Magnesium alloys Dislocations PRECIPITATE Mechanical property 
High-temperature fatigue behavior of 15CrNbTi ferritic stainless steel被引量:1
《Journal of Iron and Steel Research International》2019年第3期285-291,共7页Tian-long Liu Li-jia Chen Hong-yun Bi Xin Che 
National Natural Science Foundation of China(Nos.51134010 and U1660205).
In order to investigate the high-temperature fatigue and fatigue-creep behavior of 15CrNbTi ferritic stainless steel at 800°C,fatigue tests without holding time in laboratory air and with 10 s holding time induced at...
关键词:Ferritic STAINLESS steel-High-temperature FATIGUE HOLDING time FATIGUE fracture PRECIPITATE DISLOCATION SUBSTRUCTURE 
Effect of precipitates on high-temperature strength and irradiation behavior of vanadium-based alloys被引量:2
《Journal of Iron and Steel Research International》2018年第12期1270-1277,共8页Shao-ning Jiang Li-qun Xu Fa-rong Wan 
the National Natural Science Foundation of China (51501097);Natural Science Foundation of Shandong Province,China (ZR2014EMP005).
The formation of precipitates and their effect on mechanical properties and irradiation damage in V-4CraTi alloys have been investigated using transmission electron microscope,high-temperature tensile tests and high-v...
关键词:Aging PRECIPITATE strengthening Electron IRRADIATION IRRADIATION defect DISLOCATION LOOP 
Improvement of strength and ductility of Al-Cu-Li alloy through cryogenic rolling followed by aging被引量:9
《Transactions of Nonferrous Metals Society of China》2017年第9期1920-1927,共8页Yan-jun DENG Guang-jie HUANG Ling-fei CAO Xiao-dong WU Li HUANG Ming-yong XIA Qing LIU 
Projects (106112015CDJXZ138803,106112015CDJXY130003) supported by the Fundamental Research Funds for the Central Universities,China;Project (51421001) supported by National Natural Science Foundation of China
To develop an improved approach in achieving an excellent combination of high strength and ductility,the solutionized Al?Cu?Li plates were subjected to rolling at cryogenic and room temperatures,respectively,to a redu...
关键词:Al-Cu-Li alloy cryogenic rolling DISLOCATION T1 precipitate 
Magnetic Properties of Thermally Aged Fe-Cu Alloys with Pre-deformation被引量:2
《Journal of Iron and Steel Research International》2016年第9期981-987,共7页Yi LI Yuan-fei LI Ben XU Qiu-lin LI Guo-gang SHU Wei LIU 
Magnetic properties of thermally aged Fe-Cu alloys with pre deformation have been evaluated to improve the understanding of using magnetic technology for the nondestructive evaluation (NDE) of irradiation embrittlem...
关键词:RPV steel nondestructive evaluation magnetic property Cu-rich precipitate DISLOCATION 
Aging Precipitates and Strengthening Mechanism of T122 Boiler Steel被引量:8
《Journal of Iron and Steel Research International》2010年第2期67-73,共7页BAO Han-sheng CHENG Shi-chang LIU Zheng-dong TAN Shu-ping 
Item Sponsored by National Hi-Tech Research and Development Program of China (863 program) (2006AA03Z513)
T122 steel has been used to produce superheater or reheater of ultra supercritical boilers. With the help of chemical phase extraction and mierostructure characterization, the performance of aging precipitates of T122...
关键词:T122 heat resistant steel strengthening PRECIPITATE SUBSTRUCTURE DISLOCATION 
Microstructure evolution during reheating of a Nb-bearing steel Ⅱ. Dislocation-precipitate interaction
《Journal of University of Science and Technology Beijing》2005年第4期321-325,共5页Meizhen Cheng Enlong Dong Huibin Wu Shanwu Yang Xinlai He Huaxing Hou 
Cooled in water after the isothermal relaxation of deformed austenite for different times, a Nb-bearing microalloyed steel always exhibits the synthetic microstructure in which bainitic ferrite dominates. Strain-induc...
关键词:dislocations strain induced precipitates PINNING microstructure evolution 
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