进行了TC4+TC17异种钛合金试件的线性摩擦焊实验,利用光学显微镜、扫描电镜及透射电镜分析了焊接接头的微观组织,并进行了焊后接头的力学性能测试.着重分析了焊接接头的焊缝、近缝区及变形区的组织特点及相变规律,并结合线性摩擦焊的工艺特点,初步分析了形变组织的形成机理.实验结果表明,利用合理的焊接工艺参数,用线性摩擦焊方法可获得可靠的Tc4+TC1钛合金焊接接头,接头的拉伸性能优于TC4母材.TC4与TC17接头的焊缝区为等轴细品组织,两侧近缝区、变形区的组织形貌差异较大.
参考文献
| [1] | 刘家富.整体叶盘结构及制造工艺[J].航空科学技术,1998(06):21-23. |
| [2] | Vairis, A;Frost, M .On the extrusion stage of linear friction welding of Ti-6Al-4V[J].Materials Science & Engineering. A, Structural Materials: Properties, Microstructure and Processing,1999(1-2):477-484. |
| [3] | M. Karadge;M. Preuss;C. Lovell;P. J. Withers;S. Bray .Texture development in Ti-6Al-4V linear friction welds[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2007(1/2):182-191. |
| [4] | P. Wanjara;M. Jahazi .Linear Friction Welding of Ti-6Al-4V: Processing, Microstructure, and Mechanical-Property Inter-Relationships[J].Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science,2005(8):2149-2164. |
| [5] | Ma T J;Xu Q Zh;Yang S Q et al.Analysis on the linear friction welded joint of Ti-17 alloy[J].Rare Metal Materlals and Engineering,2006,35(z1):233-236. |
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