Please wait a minute...
材料研究学报  2003, Vol. 17 Issue (6): 604-608    
  论文 本期目录 | 过刊浏览 |
铸造Mg-RE合金的显微结构及其蠕变行为
沙桂英1、2 ;徐永波1 ;韩恩厚1
1.中科院金属研究所沈阳材料科学国家(联合)实验室;2.哈尔滨工程大学
引用本文:

沙桂英、; 徐永波; 韩恩厚 . 铸造Mg-RE合金的显微结构及其蠕变行为[J]. 材料研究学报, 2003, 17(6): 604-608.

全文: PDF(852 KB)  
摘要: 研究了铸造Mg-RE合金的高温蠕变特性,通过SEM和TEM观察,讨论与分析了该合金的蠕变机制。结果表明:在473K、应力低于100MPa条件下,该合金具有良好的蠕变抗力,其稳态蠕变速率低于 s-1;富含Ce、La、Nd等稀土元素的共晶 相和蠕变期间动态沉淀产生的晶界强化及沉淀强化是该合金的主要强化机制,而孪晶切变和共晶 相开裂致使其高温蠕变抗力显著降低。
关键词 Mg-RE合金蠕变动态沉淀孪晶切变    
Key words
收稿日期: 1900-01-01     
1 G.Yu,J.Gao,J.C.Hummelen,et al.,Polymer photovoltaic cells:enhanced efficiencies via a network of internal donor-acceptor heterojunctions, Science, 270,1789(1995)
2 P.Peumans,S.Uchida,S.R.Forrest,Efficient bulk hetero- junction photovoltaic cells using smallmolecular-weight organic thin films,Nature,425,158(2003)
3 Y.Wang,G.Meng,L.Zhang,Catalytic growth of large- scale single-crystal CdS nanowires by physical evapora- tion and their photoluminescence,Chemical Materials,14, 1773(2002)
4 G.Shen,C.J.Lee,CdS multipod-based structures through a thermal evaporation process,Crystal Growth & Design, 5,1085(2005)
5 H.N.Cong,M.Dieng,C.Sene,Hybrid organic inorganic so- lar cells:case of the all thin film PMeT(Y)/CdS(X)junc- tions,Solar Energy Materials & Solar Cells,63,23(2000)
6 S.Varghese,M.Iype,E.J.Mathew,Determination of the energy band gap of thin films of cadmium sulphide,cop- per phthalocyanine and hybrid cadmium sulphide/copper phthalocyanine from its optical studies,Materials Letters, 56,1078(2002)
7 D.Routkevitch,T.Bigioni,M.Moskovits,Electrochemi- cal fabrication of CdS nanowire arrays in porous an- odic aluminum oxide templates,Physics Chemistry,100, 14037(1996)
8 J.D.Klein,R.D.Herrick,Electrochemical fabrication of cadmium chalcogenide microdiode arrays,Chemical Ma- terial,5,902(1993)
9 HUANG Huaiguo,XI Yanyan,ZHENG Zhixin,The preparation and characterization of growing preferentially CdS nanopartile film,Electrochemistry,8(2),195(2002) (黄怀国,席燕燕,郑志新等,择优生长CdS纳米微粒膜的制备和性能研究,电化学,8(2),195(2002))
10 D.Behar,I.Rubinsten,G.Hodes,Electrodeposition of CdS quantum dots and their optoelectronic characterization by photo electrochemical and scanning probe spectroscopes, Superlattices and Microstructures,25,601(1999)
11 S.J.Lade,C.D.Lokhande,Electrodeposition of CdS from non-aqueous bath,Materials Chemistry and Physics,49, 160(1997)
12 J.Nishino,S.Chatani,Y.Uotani,Electrodeposition method for controlled formation of CdS films from aqueous solutions,Electroanalytical Chemistry,473, 217(1999)
13 H.Chu,X.Li,G.Chen,Shape-controlled synthesis of CdS nanocrystals in mixed solvents,Crystal Growth & Design, 5,1801(2005)
14 P.Zhang,L.Gao,Synthesis and controlling the morphol- ogy of CdS nanocrystals via hydrothermal microemul- sions,Colloid and Interface Science,272,99(2004)
15 P.Peumans,A.Yakimov,S.R.Forrest,Small molecular weight organic thin film photodetectors and solar cells, Applied Physics,93,3693(2003)
16 S.W.Hur,H.S.Oh,Y.C.Oh,Organic photovoltaic effects using CuPc and C60 depending on layer thickness,Syn- thetic Metals,154,49(2005)
17 U.S.Jadhav,S.S.Kale,C.D.Lokhande,Effect of Cd:S ra- tio on the photoconducting properties of chemically de- posited CdS films.Materials Chemistry and Physics,69, 12.5(2001)
18 SUN Lan,LIN Changjian,Preparation and optical proper- ties of highly ordered CdS nanowire arrays,Electrochem- istry,10,154(2004) (孙岚,林昌健,有序CdS纳米线阵列的制备和光学特性,电化学,10,154(2004))
19 RONG Minzhi,ZHANG Mingqiu,LIANG Haichun,Ef- fects of surface modification on dispersion of nono-CdS in polymers and their optical properties,Chinese Journal of Materials Research,18(2),130(2004) (容敏智,章明秋,梁海春,修饰纳米CdS/聚合物的界面相互作用与光学性能,材料研究学报,18(2),130(2004))
20 S.Antohe,V.Ruxandra,H.Alexandru,The effect of the electron irradiation on the electrical properties of thin polycrystalline CdSe and CdS layers,Crystal Growth, 237-239,1559(2002)
21 A.Fleissner,W.Weise,H.Seggern,Unipolar space-charge limited current through layers with a disparate concen- tration of shallow traps:experiment and model,Applied Physics,97,043701(2005)
[1] 张敏, 张思倩, 王栋, 陈立佳. 一种镍基单晶高温合金的蠕变组织损伤对再蠕变行为的影响[J]. 材料研究学报, 2023, 37(6): 417-422.
[2] 梁爽, 刘智鑫, 刘丽荣, 梁金广, 纪良博, 邵华阳. Ru对一种高W镍基单晶合金蠕变性能的影响[J]. 材料研究学报, 2021, 35(9): 694-702.
[3] 席国强, 邱建科, 雷家峰, 马英杰, 杨锐. Ti-6Al-4V合金的室温蠕变行为[J]. 材料研究学报, 2021, 35(12): 881-892.
[4] 甄睿,吴震,许恒源,谈淑咏. Mg-13Gd-1Zn合金的组织与力学性能[J]. 材料研究学报, 2020, 34(3): 225-230.
[5] 岳颗, 刘建荣, 杨锐, 王清江. Ti65合金的初级蠕变和稳态蠕变[J]. 材料研究学报, 2020, 34(2): 151-160.
[6] 王冬颖,王立毅,冯鑫,张滨,雍兴平,张广平. 一级应变硬化F316奥氏体不锈钢的高温蠕变性能[J]. 材料研究学报, 2019, 33(7): 497-504.
[7] 倪自飞,薛烽. 原位微米/纳米TiC颗粒弥散强化304不锈钢的高温蠕变特性[J]. 材料研究学报, 2019, 33(4): 306-312.
[8] 李钢,张思倩,张宗鹏,王迪,王栋,董加胜. 偏离<001>取向15o的三种镍基单晶高温合金试样的中温蠕变变形行为[J]. 材料研究学报, 2019, 33(12): 892-896.
[9] 武岳,李建平,杨忠,郭永春,马志军,梁民宪,杨通,陶栋. 含有Cu、Mo、Sn的高强度蠕墨铸铁的蠕变行为[J]. 材料研究学报, 2019, 33(1): 43-52.
[10] 孔祥霞, 孙凤莲, 杨淼森. 不同加载方式下微焊点的蠕变性能分析[J]. 材料研究学报, 2018, 32(3): 184-190.
[11] 应彩虹, 陈立佳, 刘天龙, 郭连权. 11.5CrNbTi和15Cr0.5MoNbTi超纯铁素体不锈钢的循环蠕变行为[J]. 材料研究学报, 2017, 31(7): 481-488.
[12] 于兴福, 周金华, 吴玉超, 杨月, 王宇飞, 满延林, 黄爱华. 元素V对镍基柱状晶合金显微组织和高温蠕变性能的影响[J]. 材料研究学报, 2016, 30(6): 465-472.
[13] 梁恩泉, 黄森森, 马英杰, 张韧, 雷家峰, 柳洋. Fe对Ti-6Al-4V ELI合金力学性能的影响[J]. 材料研究学报, 2016, 30(4): 299-306.
[14] 郭岩, 王彩侠, 李太江, 侯淑芳, 王博涵. 700℃超超临界机组用617B镍基合金的组织结构和析出相*[J]. 材料研究学报, 2016, 30(11): 841-847.
[15] 刘坡,宗影影,郭斌,单德彬. 钛合金高温短时蠕变与应力松弛的关系研究*[J]. 材料研究学报, 2014, 28(5): 339-345.