考察了具有淬火马氏体组织的TC11合金在热压缩变形时的力学行为及显微组织特征. 在各个变形温度和应变速率条件下, TC11合金的应力-应变曲线均表现出先硬化后软化的趋势, 最后都获得一种相对稳定的变形状态; 与此同时, 原始非等轴片层组织通过动态再结晶转变为等轴均匀的组织; 变形温度越低或变形速率越高, 变形应力就越高, 所获得的稳态晶粒尺寸就越小; 通过对实验数据分析后发现, TC11合金在相对高低温区和相对高温区变形分别具有不同的变形激活能并由此导致Z-D关系不同.
参考文献
| [1] | Jonas J J;Sakai T;George Krauss .Deformation,processing and Structure[Z].ASM,1982. |
| [2] | Sakai T;Akben M G;Jonas J J .[J].Acta Materialia,1983,31:631. |
| [3] | Bai Bingzhe;Yang Luyi;Zhang Baiqing;Han Qiyong .Z-D Relationship during Compression at Constant Temperature on TC11 Alloy[J].are Metals,1996(2):110-115. |
| [4] | Kim H Y;Hong S H .[J].Scripta Metallurgica et Materialia,1998,38:1517. |
| [5] | Shen G S;Semiatin S L;Shivpuri R .[J].Metallurgical and Materials Transactions A:Physical Metallurgy and Materials Science,1995,26:1795. |
| [6] | Zener C;Hollomon J H .[J].Journal of Applied Physics,1944,15:22. |
| [7] | Kaibyshev O A.Superplasticity of Alloys,Intermetallics and Ceramics[M].Berlin:Springer-Verlag,1992 |
| [8] | Langdon T G;Furukawa M;Nemoto M .[J].Journal of The Minerals,Metals & Materials Society,1998,6:41. |
| [9] | Salishchev G A;Valiakhmetov O R;Galeyev R M .[J].Journal of Materials Science,1993,28:2898. |
| [10] | 鲍利索娃 E A;陈石卿.钛合金金相学[M].北京:国防工业出版社,1986 |
| [11] | Valiev R Z .[J].Materials Science and Engineering,1997,A234-236:59. |
| [12] | Warren J;Hsiung L M;Wadley H N G .[J].Acta Metallurgica Et Materialia,1995,43:2773. |
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