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Aging characteristics of new metastable beta titanium alloy

机译:新型亚稳态β钛合金的时效特性

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The aging characteristics including microstructures and properties were investigated for a new metastable beta titanium alloy named Ti-B20 subjected to different solution treatments.Microstructural examination shows that precipitate-free zones,which are present in the many metastable beta titanium alloys,are not produced in the aged new alloy.The decrease of yield stress with the increase of aging temperature is due to the coarsening of alpha platelet.Furthermore,the age hardening effect of the new alloy strengthens with the increase of solution treatment temperature.These aging characteristics are attributed to the relatively lower concentration of beta stabilizer in the new alloy.
机译:研究了一种新的亚稳态β钛合金Ti-B20的时效特性,包括组织和性能.Ti-B20经过不同的固溶处理。显微组织检查表明,在许多亚稳态β钛合金中均未产生无沉淀区。随着时效温度的升高,屈服应力的降低是由于α片晶的粗化所致。此外,随着固溶处理温度的升高,新合金的时效硬化作用增强。这些时效特性归因于新合金中相对较低的β稳定剂浓度。

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