研究了DD499单晶高温合金<111>取向700和900℃温度条件下光滑和缺口试样的高温旋转弯曲高周疲劳性能.结果表明:<111>取向DD499合金光滑试样的疲劳强度在700℃为355 MPa,在900℃时为400 MPa,其疲劳强度和缺口敏感性均随温度的升高而增大.<111>取向DD499合金两种温度光滑试样的疲劳断裂均为多源断裂,断裂机制均表现为沿最密排面{111}面的解理断裂特征;而缺口试样在700℃表现为沿缺口向中心扩展断裂,900℃表现为类似于光滑试样的断裂特征.
参考文献
| [1] | wright P K;Jain M;Cameron D.Superalloys[M].Materials Park,Oh:ASM International,2004:657. |
| [2] | Cowles B A .[J].International Journal of Fracture,1996,80:147. |
| [3] | Henderson M B;Martin J W .[J].Acta Materialia,1995,44:111. |
| [4] | Henderson M B;Martin J W .[J].Acta Materialia,1995,43:4035. |
| [5] | Zhang G P;Wang Z G;Li G Y .[J].Acta Materialia,1997,45:1705. |
| [6] | Lukss P;Kunz L;Svoboda M et al.[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2002,93:661. |
| [7] | Jiang L;Brooks C R;Liaw P K.Superalloys[M].Materials Park,Oh:ASM International,2000:583. |
| [8] | Smith D J;Shu-Xin L;Ellison G E.Superalloys[M].Materials Park,Oh:ASM International,1992:603. |
| [9] | Liu Jinlai;Jin Tao .[J].Acta Metallurgica Sinica,2001,37:1233. |
| [10] | Sass V;Schneider W;Mughrabi H .[J].Scripta Materialia,1994,31:885. |
| [11] | Arakere N K;Swanson G .[J].Journal of Engineering for Gas Turbines and Power,Transactions of the ASME,2002,124:161. |
| [12] | Mackey R A;Maier R D .[J].Metallurgical and Materials Transactions,1982,13A:1747. |
| [13] | Miner R V;Voigt R C;Gayda J et al.[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1986,17:491. |
| [14] | Gabb T P;Gayda J;Miner R V .[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1986,17:497. |
| [15] | Dalai R P;Thomas C S;Dardi L E.Superalloys[M].Materials Park,Oh:ASM International,1984:185. |
| [16] | McLean M;Ghosh R N;Curtis R V.Superalloys[M].Materials Park,Oh:ASM International,1992:609. |
| [17] | Aswath P B .[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1994,25A(02):287. |
| [18] | Liu Y;Yu J J;Xu Y et al.[J].Materials Science and Engineering A:Structural Materials Properties Microstructure and Processing,2007,454-455:357. |
| [19] | Wang, LN;Liu, Y;Yu, JJ;Xu, Y;Sun, XF;Guan, HR;Hu, ZQ .Orientation and temperature dependence of yielding and deformation behavior of a nickel-base single crystal superalloy[J].Materials Science and Engineering. A, Structural Materials: Properties, Microstructure and Processing,2009(1/2):144-150. |
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