2016
DOI: 10.1038/ncomms11176
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A low-cost hierarchical nanostructured beta-titanium alloy with high strength

Abstract: Lightweighting of automobiles by use of novel low-cost, high strength-to-weight ratio structural materials can reduce the consumption of fossil fuels and in turn CO2 emission. Working towards this goal we achieved high strength in a low cost β-titanium alloy, Ti–1Al–8V–5Fe (Ti185), by hierarchical nanostructure consisting of homogenous distribution of micron-scale and nanoscale α-phase precipitates within the β-phase matrix. The sequence of phase transformation leading to this hierarchical nanostructure is exp… Show more

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Cited by 237 publications
(77 citation statements)
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“…A study on the metastable Ti-1Al-8V-5Fe (wt. %) alloy, which has a MoE value of 18.9, by Devaraj et al, evaluated varying sub-transus solution treatment temperatures on tensile and fatigue properties [103]. These authors reported that solution treatment at a temperature closest to the quantity T β gave the highest yield strength and tensile strength values, which was attributed to greater volume fraction of nanoscale secondary α-phase precipitates uniformly distributed in the bcc β-phase matrix.…”
Section: Solution Treatmentmentioning
confidence: 99%
“…A study on the metastable Ti-1Al-8V-5Fe (wt. %) alloy, which has a MoE value of 18.9, by Devaraj et al, evaluated varying sub-transus solution treatment temperatures on tensile and fatigue properties [103]. These authors reported that solution treatment at a temperature closest to the quantity T β gave the highest yield strength and tensile strength values, which was attributed to greater volume fraction of nanoscale secondary α-phase precipitates uniformly distributed in the bcc β-phase matrix.…”
Section: Solution Treatmentmentioning
confidence: 99%
“…Choice of solution treatment temperature is important. For example, for Ti-1Al-8V-5Fe (Ti185), solution treatment near beta transus temperature leads to a highest tensile and yield strength [19].…”
Section: Heat Treatmentmentioning
confidence: 99%
“…(a) Coarsening of NiAl and Cu‐rich particles within a steel weld (figure 11 of Jiao et al . ); (b) element partitioning between alpha and beta phases following heat treatment of a high‐strength titanium alloy (Devaraj et al ); (c) partitioning of carbon (red dots) between ferrite and martensite phases in a decarburised alloy (figure 3 of Van Landeghem et al . ); (d) V‐pit defect distorting InGaN/GaN quantum well layers (grey dots are Ga atoms and In isoconcentration surfaces are in blue) showing Mg dopant (red spheres) distribution (figure courtesy of Rob Ulfig, Cameca); (e) fine‐scale clustering in an Al‐Cu‐Mg alloy.…”
Section: An Introduction To Atom Probe Tomographymentioning
confidence: 99%