2010
DOI: 10.1016/j.jallcom.2009.11.046
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Superplasticity deformation of Ti–6Al–2Zr–1Mo–1V induced by the cyclic change of strain-rate and MaxmSPD

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Cited by 13 publications
(5 citation statements)
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“…The elongation increased with the raising temperature and reached a peak value of 1013% at 1173 K, which is about 40 K below the complete solution temperature of α phase. This value is well consistent with the elongation reported for Ti-6Al-2Zr-1Mo-1V alloy (δ Max = 1066%) [27] since the approached initial average size in those two Ti-alloys. But the value is quite below than that for Ti-6.5Al-3.5Mo-1.5Zr-0.3Si (δ Max = 2300%) [26], which is attributed to the existed initial coarse phase in the study Ti-alloy.…”
Section: Methodssupporting
confidence: 91%
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“…The elongation increased with the raising temperature and reached a peak value of 1013% at 1173 K, which is about 40 K below the complete solution temperature of α phase. This value is well consistent with the elongation reported for Ti-6Al-2Zr-1Mo-1V alloy (δ Max = 1066%) [27] since the approached initial average size in those two Ti-alloys. But the value is quite below than that for Ti-6.5Al-3.5Mo-1.5Zr-0.3Si (δ Max = 2300%) [26], which is attributed to the existed initial coarse phase in the study Ti-alloy.…”
Section: Methodssupporting
confidence: 91%
“…The elongated α plate was measured of 6 μm in thickness approximately, and fine spheroidal α particle was measured about 15 μm. Generally, average grain size of TC21 alloy used in this paper is larger than the grain size of other titanium alloys, Ti-6Al-4V alloy (0.3 μm) [25], Ti-6.5Al-3.5Mo-1.5Zr-0.3Si alloy (6 μm) [26], Ti-6Al-2Zr-1Mo-1V alloy (10 μm) [27].…”
Section: Methodsmentioning
confidence: 91%
“…9b) and 1.6 ( Fig. 9c) dynamic recovery and recrystallisation [11,13,17,[29][30][31][32][33][34][35][36], and (iii) dynamic grain growth [37][38][39]. It is widely believed that grain boundary sliding is the main mechanism for superplasticity of Ti alloys, and grain boundary sliding is accommodated by diffusion creep and dislocation slip/creep or both [2,36,37,[40][41][42].…”
Section: Superplastic Tensile Testsmentioning
confidence: 99%
“…The dominant mechanism of superplastic deformation at the steady stage could be suggested by the with the grain boundary sliding mechanism [60] accommodated by grain boundary diffusion [32].…”
Section: Superplastic Tensile Testsmentioning
confidence: 99%
“…The characteristics of the Ti-alloy in this study meet the criteria of typical superplasticity deformation of material, such as high strain rate sensitivity exponent and low flow stress, which is independent of the deformation strain. In the superplasticity deformation, the most important parameter is the strain rate sensitivity exponent m. If the strain rate sensitivity exponent m is greater than 0.3, the deformation is considered to be superplasticity deformation [23,24]. To verify the superplasticity deformation (SPD) process parameter, the physical experiment was conducted.…”
Section: Microstructure and Deformation Mechanismsmentioning
confidence: 99%