国家自然科学基金(51171212)

作品数:13被引量:75H指数:5
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相关作者:蒋斌潘复生李瑞红杨青山殷恒梅更多>>
相关机构:重庆大学内蒙古科技大学昆士兰大学中国兵器工业第59研究所更多>>
相关期刊:《Journal of Magnesium and Alloys》《Progress in Natural Science:Materials International》《Transactions of Nonferrous Metals Society of China》《稀有金属材料与工程》更多>>
相关主题:MICROSTRUCTUREGRAIN_REFINEMENTEXTRUSIONTEXTURE镁锂合金更多>>
相关领域:金属学及工艺一般工业技术更多>>
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Li元素对热轧及退火态AZ31镁合金板材的组织及力学性能的影响被引量:3
《中国有色金属学报》2017年第6期1118-1124,共7页李瑞红 蒋斌 陈志军 潘复生 
内蒙古自治区自然科学基金资助项目(2015BS0512);内蒙古科技大学创新基金资助项目(2014QDL016);国家自然科学基金资助项目(51171212)~~
通过OM、SEM、拉伸实验研究添加不同含量的Li元素对轧制及退火态AZ31镁合金组织和力学性能的影响。结果表明:添加Li元素的合金板材在热轧后均有大量孪晶出现。经过不同温度退火处理后,合金板材的力学性能得到不同程度的改善。LAZ131(Mg-...
关键词:镁锂合金 轧制 显微组织 力学性能 
AZ31镁合金板材的微观组织演变及腐蚀行为(英文)被引量:5
《稀有金属材料与工程》2016年第7期1674-1677,共4页杨青山 蒋斌 向庆 罗素琴 郁笑雯 潘复生 
Chongqing Science and Technology Commission(CSTC2012JJJQ50001,cstc2012gg B50003,CSTC2013jcyj C60001);National Natural Science Foundation of China(51171212,51474043)
在室温下对AZ31镁合金板材分别沿与挤压方向成0°,30°,45°,60°和90°5个方向进行了预拉伸变形,之后研究了其微观结构和预变形后板材的腐蚀性能。结果表明,随着角度的增加,孪晶数量也随之增加,孪晶量多的镁合金板材(-52%)具有较好...
关键词:镁合金 微观组织 孪生 腐蚀行为 
Effects of combined additions of SiO2 and MoS2 nanoparticles as lubricant additive on the tribological properties of AZ31 magnesium alloy被引量:2
《Science China(Technological Sciences)》2016年第5期689-698,共10页XIE HongMei JIANG Bin WANG QingHang XIA XiangSheng PAN FuSheng 
supported by the National Natural Science Foundation of China(Grant No.51171212);Chongqing Science and Technology Commission(Grant Nos.CSTC2012JJJQ50001,CSTC2013jcyj C60001&cstc2012gg B50003);the National Science and Technology Program of China(Grant No.2013DFA71070);the Fundamental Research Funds for the Central Universities(Grant No.CDJZR13138801);the Fundamental Research Funds for the Yangtze Normal University(Grant No.CJSF2010C025)
The tribological properties of combinative addition of nano-MoS2 and nano-SiO2 to the base oil have been investigated with a reciprocating ball-on-plate tribotester for magnesium alloy-steel contacts. The results demo...
关键词:NANO-MOS2 nano-Si02 lubricant additive tribological properties magnesium alloy 
Effect of Al_2Ca intermetallic compound addition on grain refinement of AZ31 magnesium alloy被引量:4
《Transactions of Nonferrous Metals Society of China》2016年第5期1284-1293,共10页姜中涛 蒋斌 章建跃 戴甲洪 杨青山 杨琴 潘复生 
Projects(CSTC2013jcyj C60001,CSTC2013jcyj A50020,CSTC2014jcyjjq0041)supported by the Chongqing Science and Technology Commission,China;Projects(51531002,51171212,51474043)supported by the National Natural Science Foundation of China;Projects(2013DFA71070,2013CB632200)supported by the National Science and Technology Program of China;Project(KJZH14101)supported by the Education Commission of Chongqing Municipality,China
The Al2Ca intermetallic compound was prepared by melting process in a vacuum induction furnace. And the A12Ca compound was added in as-cast AZ31 alloys for grain refinement. The effect of its additional levels on grai...
关键词:AZ31 magnesium alloy Al2Ca grain refinement MECHANISM 
超轻Mg-Li-Al系变形镁合金挤压板材的组织及性能被引量:15
《中国有色金属学报》2016年第1期31-36,共6页李瑞红 蒋斌 陈志军 潘复生 
内蒙古自治区自然科学基金资助项目(2015BS0512);内蒙古科技大学创新基金资助项目(2014QDL016);国家自然科学基金资助项目(51171212)~~
通过OM、SEM、XRD和拉伸实验研究3种典型的Mg-Li-Al合金的铸态和挤压态组织及力学性能。结果表明:随着Li含量的增加,合金的结构从密排六方向体心立方转变,合金的铸态组织随之发生改变。经过250℃挤压处理后,Mg-5Li-1Al和Mg-9Li-1Al合金...
关键词:镁锂合金 挤压 显微组织 力学性能 
第二相对Mg-Ca-Sn镁合金铸态组织和力学性能的影响被引量:7
《稀有金属材料与工程》2014年第10期2445-2449,共5页蒋斌 周冠瑜 戴甲洪 夏祥生 万元元 潘复生 
国家自然科学基金(51171212);国家科技支撑计划"十二五"项目(2011BAE22B03-3;2013DFA71070);重庆市科委资助项目(CSTC2010AA4048;CSTC2012JJJQ50001;CSTC2012GGB50003)
研究了含有不同第二相的金属型铸造Mg-Ca-Sn镁合金的显微组织和力学性能。结果表明:在合金中Ca和Sn单独存在可以在一定程度抑制铸态基体晶粒长大,Mg2Ca在晶界或枝晶界处连续分布,Mg2Sn呈颗粒状在晶界和晶内分布。Ca和Sn同时存在时,有CaM...
关键词:Mg-Ca-Sn镁合金 晶粒细化 边-边匹配 
Influence of different extrusion processes on mechanical properties of magnesium alloy被引量:12
《Journal of Magnesium and Alloys》2014年第3期220-224,共5页Qingshan Yang Bin Jiang Hucheng Pan Bo Song Zhongtao Jiang Jiahong Dai Lifei Wang Fusheng Pan 
The authors are grateful for the financial supports from Chongqing Science and Technology Commission(CSTC2012JJJQ50001,CSTC2012GGB50003,CSTC2013 JCYJC60001);Youth Foundation of Chongqing academy of Science and Technology(2013CSTC-JBKY-00111);National Natural Science Foundation of China(51171212,51474043).
AZ31 Mg alloy sheets were processed by the conventional symmetrical extrusion(CSE)and the asymmetric extrusion(ASE).Progressive-asymmetric extrusion(PASE)and severe strain-asymmetric extrusion(SASE)were employed for A...
关键词:Mg alloys TEXTURE MICROSTRUCTURE EXTRUSION SHEAR 
Microstructure and mechanical behavior of the Mg-Mn-Ce magnesium alloy sheets被引量:8
《Journal of Magnesium and Alloys》2014年第1期8-12,共5页Qingshan Yang Bin Jiang Xin Li Hanwu Dong Wenjun Liu Fusheng Pan 
The authors are grateful for the financial supports from National Natural Science Foundation of China(51171212);Chongqing Science and Technology Commission(CSTC2012JJJQ50001,CSTC2013jcyjC60001,cstc2012ggB50003);The National Science and Technology Program of China(2013DFA71070);the Fundamental Research Funds for the Central Universities(CDJZR13138801).
The microstructural evolution and mechanical behavior of Mg-Mn-Ce magnesium alloy were investigated in the present study.Mg alloy was prepared with metal model casting method and subsequently hot extruded at 703 K wit...
关键词:Mg alloy MICROSTRUCTURE Mechanical properties TEXTURE EXTRUSION 
Effect of Ca addition on grain refinement of Mg–9Li–1Al alloy被引量:5
《Journal of Magnesium and Alloys》2013年第4期297-302,共6页Ying Zeng Bin Jiang Dehui Huang Jiahong Dai Fusheng Pan 
The authors are grateful for the financial supports from National Natural Science Foundation of China(51171212);Chongqing Science and Technology Commission(CSTC2012JJJQ50001,CSTC2013jcyjC60001,cstc2012ggB 50003);The National Science and Technology Program of China(2013DFA71070);the Fundamental Research Funds for the Central Universities(CDJZR13138801).
The as-cast and as-extruded Mg–9Li–1Al–xCa alloys(x=0,0.2;wt%)were prepared by a simple alloying process followed by hot extrusion with an extrusion ratio of 28.2.The microstructures of the as-cast and as-extruded...
关键词:Mg-9Li-1Al alloy(LA91) CALCIUM REFINEMENT Edge-to-edge matching model 
钇和锶的添加对Mg-14Li-1Al合金的电化学性能的影响(英文)被引量:1
《稀有金属材料与工程》2013年第10期1999-2003,共5页蒋斌 刘玉虹 李瑞红 向庆 曾迎 潘复生 
National Natural Science Foundation of China(51171212);Chongqing Science & Technology Commission(CSTC2010AA4048,CSTC2012JJJQ50001,cstc2012ggB50003);China National Funds for Distinguished Young Scientists(50725413);The National Science and Technology Program of China(2011BAE22B03-3,2013DFA71070)
制备了Mg-14Li-1Al(LA141),LA141-0.3Y,LA141-0.3Sr和LA141-0.3Y-0.3Sr合金,采用动电势极化曲线,恒电势电流-时间曲线,交流阻抗技术以及扫描电子显微镜等手段测试了这些合金在0.7 mol/L氯化钠溶液中的电化学性能。研究了氧化镓作为电解...
关键词:LA141 钇和锶的添加 氧化镓 电化学性能 利用效率 
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