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Properties Comparison for Various Beta and Alpha-Beta Alloys

机译：各种β和α-β合金的特性比较

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摘要

For years titanium alloys have been of interest due to their ability to achieve high strengths while maintaining acceptable ductility. When considering titanium for high-strength applications, the selection has typically been limited to the beta titanium alloys. However, there have recently been several beta-rich alpha-beta alloys that are capable of reaching strengths comparable to the beta alloys. The applications for these high-strength titanium alloys have been primarily in the fastener and spring areas both aerospace and non-aerospace. Controlling the thermo-mechanical processing of these alloys has always been the key in achieving a consistent final product from both a microstructure and mechanical property standpoint. Manufacturing processes have been developed for the production of bar and wire such that the advantages of these high-performance alloys can be realized. Various beta and alpha-beta alloys were processed to wire, finished and tested. In this study, a direct comparison of the tensile, double shear, and fatigue strengths at a comparable strength level will be evaluated. An analysis of the mechanical property behavior in relation to the microstructure will also be made.
机译：多年来，由于它们在保持可接受的延展性的同时实现高强度，钛合金具有感兴趣的感兴趣。当考虑高强度应用的钛时，选择通常限于β钛合金。然而，最近有几种富含β的α-β合金，其能够达到与β合金相当的强度。这些高强度钛合金的应用主要是在紧固件和弹簧区域的航空航天和非航空航天。控制这些合金的热机械加工始终是从微观结构和机械特性的角度来实现一致最终产品的关键。已经开发了制造工艺，用于生产杆和电线，使得可以实现这些高性能合金的优点。将各种β和α-β合金加工成线，完成和测试。在该研究中，将评估在可比强度水平下的拉伸，双剪切和疲劳强度的直接比较。还将进行关于与微观结构相关的机械性质行为的分析。

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