锌铜钛合金的掺杂元素改性及热处理工艺的研究进展

Advances in Doped Elements Modification and Heat Treatment Process of Zn-Cu-Ti Alloys

为填补我国铜资源日益稀缺的现状,寻找了一种铜合金的替代材料Zn-Cu-Ti,它具有自清洁、质轻价廉、优良的、安全无毒、延展性、耐腐蚀性等优点。针对目前锌铜钛合金板材存在塑性差,变形困难,温升大,产品性能不易控制等问题,主要介绍了不同掺杂元素(包括Cu、Ti、Mg、稀土等金属元素)对锌铜钛合金的改性情况;同时进一步阐述了不同热处理工艺(包括铸态、均匀化、退火、形变及热挤压变形)对Zn-Cu-Ti合金的微观结构和物理性能的影响规律,并对其当前存在的问题及未来的重点研究方向进行了展望。

In order to fill the current situation of increasingly scarce copper resources in China,a kind of Zn-Cu-Ti alloy is developed as alternative material for copper alloy,which has the advantages of self-cleaning,light weight,cheap price,excellent quality,safety,non-toxic,ductility and good corrosion resistance,etc.Aiming at the current problems of Zn-Cu-Ti alloys of poor plasticity,difficult deformation,large temperature rise and difficult control of product properties,this paper mainly introduced the modification of Zn-Cu-Ti alloy by different doped elements,including Cu,Ti,Mg,rare earth and other metallic elements.Meanwhile,the effects of different heat treatment processes(including as-cast,homogenization,annealing,deformation and hot extrusion deformation)on the microstructure and physical properties of Zn-Cu-Ti alloy were further discussed.Finally,the present problems and future research directions were forecasted.