一种镍钴基变形高温合金蠕变变形机制的研究

金属学报, 2013, 49(7): 863-870. doi: 10.3724/SP.J.1037.2013.00098

一种镍钴基变形高温合金蠕变变形机制的研究

徐玲 ^1, , 储昭贶 ^2, , 崔传勇 ^3, , 谷月峰 ^4, , 孙晓峰 ^5,

1.中国科学院金属研究所,沈阳,110016

2.中国科学院金属研究所,沈阳,110016

3.中国科学院金属研究所,沈阳,110016

4.National Institute for Materials Science, Tsukuba 305-0047, Japan

5.中国科学院金属研究所,沈阳,110016

基金项目: National Basic Research Program of China(2010CB631206) National Natural Science Foundation of China(.51171179,51128101,51271174 and 51001103) Program of "One Hundred of Talented People" of the Chinese Academy of Sciences 国家自然科学基金项目 51171179,51128101,51271174和51001103,国家重点基础研究发展计划项目 2010CB631206及中国科学院"百人计划"项目资助

关键词：变形高温合金 , 蠕变机制 , 层错 , 微孪晶

CREEP MECHANISM OF A Ni-Co BASE WROUGHT SUPERALLOY

Keywords： wrought superalloy , creep mechanism , stacking fault , microtwin

研究了一种新型镍钴基变形高温合金在650-815℃和不同加载载荷条件下蠕变后的变形组织.结果表明,经过固溶热处理后合金中存在2种尺寸的γ'相,当蠕变温度高于725℃时,大γ'相开始粗化.蠕变温度为650℃时,合金主要通过位错滑移切割γ’相形成层错的方式变形；蠕变温度在725-760℃之间时,蠕变变形组织主要为层错和微孪晶.随着加载载荷和蠕变温度的升高,层错和微孪晶不再独立存在于γ'相中,而是贯穿γ'相和基体；当蠕变温度升高至815℃时,合金主要通过位错绕过γ'相的方式变形.

参考文献

[1]	Zeng Y P,Liu J Q,Xie X S.Acta Metall Sin,2008; 44:540(曾燕屏,刘建强,谢锡善.金属学报,2008; 44:540)
[2]	Yang J,Dong J X,Jia J,Tao Y.Acta Metall Sin,2013;49:71(杨建,董建新,贾建,陶宇.金属学报,2013; 49:71)
[3]	Hardy M C,Shen G,Shankar R.In:Green K A,Pollock T M,Harada H eds.,Superalloys 2004.Warrendale,PA:The Minerals,Metals and Materials Society,2004:83
[4]	Locq D,Caron P,Raujol S,Pettinari-Sturmel F,Coujou A.In:Green K A,Pollock T M,Harada H eds.,Superalloys 2004.Warrendale,PA:The Minerals,Metals and Materials Society,2004:179
[5]	Cui C Y,Sato A,Gu Y F,Harada H.Metall Mater Trans,2005; 36A:2921
[6]	Gu Y F,Harada H,Cui C Y,Ping D H,Sato A,Fujioka J.Scr Mater,2006; 55:815
[7]	Gu Y F,Cui C Y,Harada H,Fukuda T,Ping D H,Mitsuhashi A,Kato K,Kobayashi T,Fujioka J.In:Reed R C,Green K A,Caron P,Gabb T P,Fahrmnn M G,Huron E S,Woodard S A eds.,Superalloys 2008.Warrendale,PA:The Minerals,Metals and Materials Society,2008:14
[8]	Gu Y F,Cui C Y,Harada H,Fukuda T,Ping D H,Mitsuhashi A,Kato K,Kobayashi T,Fujioka J.In:Huron E S,Reed R C,Hardy M C,Mills M J,Montero R E,Portella P D,Telesman J eds.,Superalloys 2012.Warrendale,PA:The Minerals,Metals and Materials Society,2012:903
[9]	Wang Y,Sun F,Dong X P,Zhang L T,Shan A D.Acta Metall Sin,2010; 46:334(王衣,孙峰,董显平,张澜庭,单爱党.金属学报,2010; 46:334)
[10]	Gu Y F,Fukuda T,Cui C Y,Harada H,Mitsuhashi A,Yokokawa T,Fujioka J,Koizumi Y,Kobayashi T.Metall Mater Trans,2009; 40A:3047
[11]	Yuan Y,GuY F,Osada T,Zhong Z H,Yokokawa T,Harada H.Scr Mater,2012; 67:137
[12]	Zhong Z H,Gu Y F,Yuan Y,Cui C Y,Yokokawa T,Harada H.Mater Sci Eng,2012; A552:464
[13]	Cui C Y,Gu Y F,Ping D H,Harada H.Metall Mater Trans,2009; 40A:282
[14]	Cui C Y,Gu Y F,Ping D H,Harada H,Fukuda T.Mater Sci Eng,2008; A485:651
[15]	Yuan Y,Gu Y F,Cui C Y,Osada T,Zhong Z H,Tetsui T,Yokokawa T,Harada H.J Mater Res,2011; 26:2833
[16]	fang J X,Li J G,Wang M,Wang Y H,Jin T,Sun X F.Acta Metall Sin,2012; 48:654(杨金侠,李金国,王猛,王彦辉,金涛,孙晓峰.金属学报,2012; 48:654)
[17]	Boussinot G,Finel A,Le Bouar Y.Acta Mater,2009; 57:921
[18]	Xiao X,Zhou L Z,Guo J T.Acta Metall Sin,2001; 37:1159(肖璇,周兰章,郭建亭.金属学报,2001; 37:1159)
[19]	Pope D P,Ezz S S.Int Met Rev,1984; 29:136
[20]	D(e)camps B,Morton A J,Condat M.Philos Mag,1991;64A:641
[21]	Zhang Y,Tao N R,Lu K.Scr Mater,2009; 60:211
[22]	Condat M,Décamps B.Scr Metall,1987; 21:607
[23]	Zhang Z J,Zhang P,Li L L,Zhang Z F.Acta Mater,2012;60:3113
[24]	Reppich B,Schepp P,Wehner G.Acta Metall,1982; 30:95
[25]	Yuan Y,Gu Y F,Zhong Z H,Osada T,Cui C Y,Tetsui T,Yokokawa T,Harada H.J Micros,2012; 248:34
[26]	Yuan Y,Gu Y F,Cui C Y,Osada T,Tetsui T,Yokokawa T,Harada H.Mater Sci Eng,2011; A528:5106
[27]	Viswanathan G B,Sarosi P M,Henry M F,Whitis D D,Milligan W W,Mills M J.Acta Mater,2005; 53:3041
[28]	Kovarik L,Unocic R R,Li J,Sarosi P,Shen C,Wang Y,Mills M J.Prog Mater Sci,2009; 54:839

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