【摘要】 随着科学技术的不断发展,高性能钛合金特別是β型钛合金的研究开发越来越受到世界各国的重视,伴随着应用过程,其合金设计方法得以不断地完善与提高。在新的设计方法指导下,近年来经常有新型高性能β钛合金被研发出来并得到实际应用。为了使广大冶金科技工作者,特别是从事钛合金研究的工程技术人员能够熟悉合金设计理论,着重分析讨论了β钛合金成分设计时应考虑的因素,包括β钛合金成分设计基本原理,合金化对钛合金性能的影响,Kβ稳定系数和Al、Mo当量设计准则,电子浓度因素和d-电子合金设计方法等。并简要介绍了在高强度、低模量、低成本等方面β钛合金的成分设计思路与研究进展。更多还原

【Abstract】 There is a considerable fervor occurring among developed counties on high performance titanium alloys.β-type titanium alloys are for sure received the most attention along with the awareness and acceptance of various methods of materials design.It is then the focus of this work to introduce several common and important issues regards to the design ofβ-type titanium alloys,including the basic principle of composition design,the effects of alloying on microstructure and properties,the coefficient Kβ,Al and Mo equivalent,electron concentration and d-electron alloy design theory.And we have revealed that these issues promised great potential applications in the fields of high strength structures,low modulus biomedical implants and low cost products as well.更多还原