蠕变镍基单晶高温合金微观结构与界面特征的X射线小角散射研究

孙光爱; 陈波; 吴二冬; 闫冠云; 黄朝强; 李武会; 吴忠华; 柳义; 王劼

doi:10.7498/aps.60.016102

摘要

利用SAXS技术对蠕变过程中不同尺度范围的微观结构变化分析表明X射线小角散射(SAXS)与中子小角散射(SANS)测量的二维散射图具有明显的差异,由散射强度曲线的变化说明了蠕变过程中二次析出γ'相形貌和不同区域尺寸特征的改变情况.分析结果表明二次析出γ'相存在两类特征尺寸,在蠕变过程中沿[100]或[010]方向的变化趋势类似,均是在第一和第二阶段有所减小,在第三阶段又有所增大,相较而言,特征尺寸较大的γ'相变化也较为显著.二次析出γ'相在蠕变第二阶段元素扩散最严重,相表面最粗糙,在第三阶段两相界面又进一

关键词:

Abstract

The two-dimensional scattering patterns for micro-structural changes during creep observed by SAXS are different from that obtained by SANS technique. The changes in morphology and size characteristics of different regions of the secondary γ' precipitates have been demonstrated by the variation of SAXS scattering intensity. The results show that the secondary γ' precipitates have two types of feature sizes, which have similar trends of change during the creep process characterized by decreasing in the first and second stage and increasing in the final stage. As comparison shows, the larger γ' precipitates have more noticeable changes. The elements of the secondary γ' precipitates diffuse seriously in the second stage with the character of creep 15 h, the surfaces of γ' phase are blurred, and interfaces of two-phase become clear again in the final stage. Due to the increasing size or the reducing number of the secondary γ' phase, the total ares of interfaces between the secondary γ' precipitates and matrix phase then decreases.

Keywords:

作者及机构信息

(1)中国工程物理研究院核物理与化学研究所,绵阳 621900; (2)中国科学院高能物理研究所同步辐射国家实验室,北京 100049; (3)中国科学院金属研究所材料科学国家实验室,沈阳 110016; (4)中国科学院上海应用物理研究所上海光源国家科学中心,上海 201800

基金项目: 国家高技术研究发展计划(批准号:2009AA03Z535)和中国工程物理研究院核物理与化学研究所创新基金 (批准号:2009CX01)资助的课题.

Authors and contacts

(1)Insitute of High Energy Physics, CAS, Beijings 100049, China; (2)Institute of Nuclear Physics and Chemistry, CAEP, Mianyang 621900, China; (3)Institute of Shanghai Apply Physics, CAS, Shanghai 201800, China; (4)National Laboratory for Materials Science, IMR CAS, Sehnyang 110016, China

参考文献

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[23]	Qin X Z, Guo J T, Yuan C, Hou J S, Ye H Q 2008 Mater. Lett. 62 258
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[26]	Zhu Y P 2008 X-ray Small Angle Scattering- theory, testing, calculation and application (Beijing: Chemical Industry Press)p39 (in Chinese)[朱育平 2008 小角X射线散射─理论、测试、计算及应用 (北京:化学工业出版社)第39页]
[27]	Ratel N, Deme B, Bastie P, Caron P 2008 Scripta Mater. 59 1167
[28]	Brass A M, Chene J 2000 Scripta Mater. 43 913
[29]	Strunz P, Mukherji D, Nath O, Gilles R, Rosler J 2006 Phys. B 385-386 626
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施引文献

[1]	Mughrabi H, Tetzlaff U 2000 Adv. Eng. Mater. 2 319
[2]	Roger C R 2006 The superalloys fundamentals and applications (Cambridge: Cambridge University Press) p91
[3]	Ma S, Brown D, Bourke M A M, Daymond M R, Majumdar B S 2005 Mater. Sci. Eng. A 399 144
[4]	Wu E D, Zhang J, Chen B, Sun G A, Ji V, Hughes D, Pirling T 2008 J. Phys.: Condens. Matter 20 104255
[5]	Sun G A, Chen B, Chen H, Wu E D, Zhang J, Ji V, Hughes D, Pirling T 2009 Acta Phys. Sin. 58 2549 (in Chinese)[孙光爱、陈波、陈华、吴二冬、张俊、稽宁、Hughes D、 Pirling T 2009 58 2549]
[6]	Yu Q M, Yue Z F, Wen Z X 2008 Mater. Sci. Eng. A 477 319
[7]	Wu E, Li J C, Zhang J, Wang S C, Xie G, Zhang J, Chen B, Sun G A, Ji V, Hughes D, Pirling T 2008 Metall. Mater. Trans. A 39 3141
[8]	Jacques A, Diologent F, Bastie P 2004 Mater. Sci. Eng. A 387-389 944
[9]	Gilles R, Mukherji D, Hoelzel M, Strunz P 2006 Acta Mater. 54 1307
[10]	Biermann H, Strehler M, Mughrabi H 1996 Metall. Mater. Trans. A 27 1003
[11]	Link T, Epishin A, Bruckner U, Portella P 2000 Acta Mater. 48 1981
[12]	Guinier A, Fournet G 1955 Small-angle scattering of X-rays (New York: Wiley Press)
[13]	Zhang J X, Wang J C, Harada H, Koizumi Y 2005 Acta Materialia 53 4623
[14]	Yu J J, Sun X F, Zhao N R, Jin T, Guan H R, Hu Z Q 2007 Mater. Sci. Eng. A 460-461 420
[15]	Zhang J X, Murakumo T, Koizumi Y, Kobayashi T, Harada H 2003 Acta Mater. 51 5073
[16]	Zrnik J, Strunz P, Maldini M, Wiedenmann A, Davydov V 2008 J. Phys.Condens.Matter 20 104261
[17]	Ratel N, Bruno G, Deme B 2005 J. Phys.Condens.Matter 17 7061
[18]	Rogante M, Lebedev V T 2008 Mater. Desig. 29 1060
[19]	Veron M, Bastie P 1997 Acta Mater. 45 3277
[20]	Du X M, Wu E D, Dong B Z, Wu Z H, Yuan X Z 2008 Acta Phys. Sin. 57 5782 (in Chinese) [杜晓明、吴二冬、董宝中、吴忠华、苑学众 2008 57 5782]
[21]	Ratel N 2007 Investigation of the strain induced rafting of γ' particles in single crystals nickel based superalloys p72, Dissertation, Joseph Fourier University.
[22]	Gilles R, Mukherji D, Strunz P, Barbier B, Wiedenmann A, Wahi R P 1998 Scripta Mater. 38 803
[23]	Qin X Z, Guo J T, Yuan C, Hou J S, Ye H Q 2008 Mater. Lett. 62 258
[24]	Gilles R, Mukherji D, Strunz P, Barbier B, Wiedenmann A, Wahi R P 1998 Phys. B 241-243 347
[25]	Gilles R, Mukherji D, Strunz P, Lieske S, Wiedenmann A, Wahi R P 1998 Scripta Mater. 39 715
[26]	Zhu Y P 2008 X-ray Small Angle Scattering- theory, testing, calculation and application (Beijing: Chemical Industry Press)p39 (in Chinese)[朱育平 2008 小角X射线散射─理论、测试、计算及应用 (北京:化学工业出版社)第39页]
[27]	Ratel N, Deme B, Bastie P, Caron P 2008 Scripta Mater. 59 1167
[28]	Brass A M, Chene J 2000 Scripta Mater. 43 913
[29]	Strunz P, Mukherji D, Nath O, Gilles R, Rosler J 2006 Phys. B 385-386 626
[30]	Schmidt P W 1991 J. Appl. Cryst. 24 414
[31]	Nabarro F R N 1996 Metall. Mater. Trans. A 27 513
[32]	Svoboda J, Lukas P 1996 Acta Mater. 44 2557
[33]	Meng Z F 1996 Small-angle X-ray scattering theory and application (Changchun: Jilin Science and Technology Press)p126(in Chinese)[孟昭富 1996 小角X射线散射理论及应用(长春:吉林科学技术出版社)第126页]

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