固溶处理时,较高的冷却速度能促进DZ417G定向合金中二次和三次γ'强化相的形核,较低的冷却速度使二次γ'相析出充分,并能抑制三次γ'相的析出.合金固溶态的室温硬度随着冷却速度的提高而提高.经980℃/16 h时效处理后,三次γ'颗粒粗化长大.较高的冷却速度有利于拉伸强度的提高,而冷却速度低有利于室温拉伸塑性的增加.固溶处理后适当的冷却速度可使合金具有最佳匹配的拉伸和持久性能.
参考文献
| [1] | GUO Jianting,Acta Metal.Sin.,38,1163(2002)(郭建亭,金属学报,38,1163(2002)) |
| [2] | YIN Weimin,GUO Jianting,WANG Shuhe,LI Hui,LAI Wanhui,TAN Minghui,Acta Metal.Sin.,31(Suppl),312(2005)(殷为民,郭建亭,王淑荷,李辉,赖万慧,谭明晖,金属学报增刊,31(Suppl),312(2005)) |
| [3] | R.Ricks,A.Porter,R.Ecob,Acta Metall.,31,43(1983) |
| [4] | J.Mao,K.Chang,W.Yang,K.Ray,S.Vaze,D.Furrer,Metall.Mater.Trans.,32A,2441(2001) |
| [5] | N.Glover,C.Davis,Scr.Mater.,34,675(1996) |
| [6] | T.Malow,J.HU,R.Wahi,Z.Metall.,85,9(1994) |
| [7] | KONG Dan,ZHANG Jinghua,ZHANG Zhiya,LI Yingao,HU Zhuangqi,Chin.J.Mater.Res.,9,481(1995)(孔丹,张静华,张志亚,李英敖,胡壮麒,材料研究学报,9,481(1995)) |
| [8] | HUANG Qianyao,LI Hankang,Superalloys,(Beijing,Metallurgical Industry Press,April,2000) p.135(黄乾尧,李汉康,高温合金(北京,冶金工业出版社,2000)p.135) |
| [9] | D.Furrer,H.Fecht,Scr.Mater.,40,1215(1999) |
| [10] | D.Furrer,H.Fecht,Microstructure and Mechanical Property Development in Superalloy U720LI,in Superalloys 2000,edited by T.M.Pollock,R.D.Kissinger,R.R.Bowman,K.A.Green,M.Mclean,S.Olson and J.J.Schirra (Pennsylvania,TMS,2000) p.415 |
| [11] | M.Henry,Metall.Trans.,24A,1733(1993) |
| [12] | P.Bhowal,E.Wright,E.Raymond,Metall.Trans.,21A,1709(1990) |
| [13] | J.Groh,Effect of Cooling Rate from Solution Heat Treatment on Waspaloy Microstructure and Properties,in Superalloys 1996,edited by R.D.Kissinger,D.J.Deye,D.L.Anton,A.D.Cetel,M.V.Nathal,T.M.Pollock,D.A.Woodford (Pennsylvania,TMS,1996) p.621 |
| [14] | O.Matsumoto,T.Honjo,Y.Yasumoto,T.Moriyama,T.Tsuchiyama,Grain Boundary Precipitates and Mechanical Properties of Alloy 706,in Superalloys 718,625,706 and Various Derivatives,edited by E.A.Loria (Pennsylvania,TMS,1997) p.379 |
| [15] | Y.Zheng,Y.Han,Key.Eng.Mater.,171,561(2000) |
| [16] | P.C.Xia,J.J.Yu,X.F.Sun,H.R.Guan,Z.Q.Hu,Trans.Nonfer.Met.Soc.China,15(Suppl.3),90(2005) |
| [17] | ZHOU Lanzhang,GUO Jianting,HOU Jieshan,DU Xinhao.J.Iron and Steel Res.,15,232(2003)(周兰章,郭建亭,侯介山,杜兴蒿,钢铁研究学报,15,232(2003)) |
| [18] | L.Z.Zhou,V.Lupinc,J.T.Guo,J.Mater.Sci.Tech.,17(6),633(2001) |
| [19] | J.Mao,K.M.Chang,W.H.Yang,D.Furrer,K.Ray,S.Vaze,Mater.Sci.Eng.,A332,318(2002) |
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