对Ni40.5Co32.5Al27合金带材进行三种热处理,分析了不同试样的显微组织,采用微分差热分析测定了马氏体转变温度,用动态热机械谱仪研究了相变及阻尼性能.结果表明:经过1 623K×5 h直接水冷获得基体相为竹节状粗大再结晶晶粒;而慢冷(0.5 K/min)到1 273 K后水冷时析出粗大γ相,快冷(10 K/min)至1 273 K再水冷则析出较均匀细小的γ相.降温过程中合金带材在马氏体相变区出现阻尼峰,并且阻尼峰随频率降低而升高;马氏体相变结束后,合金带材的阻尼性能随温度降低而继续升高;合金带材的阻尼性能随γ相粗化而增强,并且室温附近超过0.04,有望成为新型阻尼材料.
参考文献
| [1] | J. San Juan;M. L. No .Damping behavior during martensitic transformation in shape memory alloys[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2003(1/2):65-71. |
| [2] | S.Kustov;S.Golyandin;K.Sapozhnikov .Low-temperature anomalies in young's modulus and internal friction of Cu-Al-Ni single crystals[J].Acta materialia,1998(14):5117-5126. |
| [3] | Jan Van Humbeeck .Non-medical applications of shape memory alloys[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1999(0):134-148. |
| [4] | De Santis S;Trochu F;Ostiguy G .Stress-strain hysteresis and damping in MnCu and NiTi alloy[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,2001,32A:2489-2498. |
| [5] | Piedboeuf MC.;Thomas M.;Gauvin R. .Damping behaviour of shape memory alloys: Strain amplitude, frequency and temperature effects[J].Journal of Sound and Vibration,1998(5):885-901. |
| [6] | Kainuma R;Ise M;Jia C C.Phase euqilibria and microstructural control in Ni-Co-Al system[J].Intermetallics,1996(04):151-158. |
| [7] | Litvinov V S;Arkhangel'skaya A A .Martensitic transformation in βalloys of Ni-Co-Al[J].Physics of Metals and Metallography,1978,44(04):131-137. |
| [8] | H. E. Karaca;Ibrahim Karaman;D. C. Lagoudas;H. J. Maier;Y. I. Chumlyakov .Recoverable stress-induced martensitic transformation in a ferromagnetic CoNiAl alloy[J].Scripta materialia,2003(9):831-836. |
| [9] | Yuuki Tanaka;Toshihiro Ohmori;Katsunari Oikawa .Ferromagnetic Co-Ni-Al Shape Memory Alloys with beta + gamma Two-Phase Structure[J].Materials transactions,2004(2):427-430. |
| [10] | 罗丰华,陈康华,及川胜成,石田清仁.Co41Ni33Al26合金的再结晶、马氏体相变和铁磁特性[J].金属热处理,2005(09):1-5. |
| [11] | Y. Sutou;T. Omori;J.J. Wang;R. Kainuma;K. Ishida .Characteristics of Cu-Al-Mn-based shape memory alloys and their applications[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2004(1/2):278-282. |
| [12] | A N Vasil'ev;V D Buchel'nikov;T Takagi;V V Khovailo;E I Estrin .Shape memory ferromagnets[J].Physics - Uspekhi,2003(6):559-588. |
| [13] | 徐祖耀.相变内耗与伪滞弹性[J].金属学报,2003(11):1121-1126. |
| [14] | 关德林,魏海军,于志伟,许晓磊.Zr对Zn-Al合金阻尼性能影响的研究[J].机械工程材料,2002(04):32-34. |
| [15] | 罗丰华,及川胜成,石田清仁.Co41Ni32Al27-xSix合金的马氏体相变和磁性转变[J].金属学报,2005(07):680-684. |
| [16] | Murakami Y;Otsuki K;Hanada S et al.Crystallography of stress-induced B2→7R martensitic transformation in Ni-37.0at%Al alloy[J].Materials Transactions,1992,33(02):282-288. |
| [17] | Kositsyn S V;Katayeva N V;Kositsyna I I et al.Martensitic transition and ordering in heat-resistant Ni-Co-Cr-Al/eutectics[J].Journal of De Physique IV,2003,112:1067-1070. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%