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200551 · The balance of specific strength and fatigue ratio of single-annealed Ti–4.5Al–3V–2Mo–2Fe is around 210–260 MPa/(g cm − 3) and 0.80–0.85 MPa/MPa,
contactRecently, Ti–4.5Al–3V–2Mo–2Fe, which is an alpha + beta type titanium alloy with excellent superplastic characteristics, has been developed for structural applications. In the case
contact2022112 · Ti-4.5Al-3V-2Mo-2Fe TC25 Ti-6.5Al-2Mo-1Zr-1Sn-1W-0.2Si TC26 Ti-13Nb-13Zr ①GB/T 3620.1-2007《》。
contact20211019 · SP700（Ti-4.5Al-3V-2Mo-2Fe） ，775 ℃ ，Ti-6Al-4V，
contact2018419 · Ti-3AL-2.5V GR9 OT4-B TAP3250 TB5 Ti-15V-3AL-3Gr-3Sn Ti-15333 TC1 Ti-2AL-1.5Mn OT4-1 TC2 Ti-4AL-1.5Mn OT4 TC3 Ti-5AL-4V BT6C TC4 Ti-6AL-4V GR5 BT6 TAP6400 TC10 Ti-6AL-6V-2Sn
contact201023 · Ti-6Al-4V-0.1Ru GR29 TC24 Ti-4.5Al-3V-2Mo-2Fe SP-700 TC25 Ti-6.5Al-2Mo-1Zr-1Sn-1W-0.2Si TiAl6V4 Ti-6Al-4V TC6 Ti-6Al-1.5Cr-2.5Mo-0.5Fe-0.3Si BT3-1
contact201023 · Ti-4.5Al-3V-2Mo-2Fe SP-700 TC25 Ti-6.5Al-2Mo-1Zr-1Sn-1W-0.2Si BT8-1 TC26 Ti-13Nb-13Zr ：MVR
contact201379 · Each alloying metal helps to enhance the properties of corrosion resistance, ductility, durability, tensile strength etc. Grade Ti-4.5Al-3V-2Mo-2Fe alloy is an alpha
contactStudies of diffusion bonding were made for Ti–4.5Al–3V–2Fe–2Mo alloy sheets. The process conditions of pressure, temperature and time required to produce a mechanically
contact2016421 · SP-700 alloy (Ti-4.5Al-3V-2Mo-2Fe alloy) is an alpha-beta titanium alloy that is beta-rich with a fine microstructure. SP-700 alloy is superplastically formed into several useful components for applications in
contact2020316 · The effect of rolling temperature on both two- and single-phase regions and annealing in a temperature range of 700–950°C on the microstructure and mechanical properties of Ti—5Al—4V—2Fe—1Mo alloy was investigated. The results indicated that the best balance of strength and ductility is obtained by rolling in the two-phase region due to
contact2017325 · In this study we investigated the effects of the FPB treatment on the fatigue properties of Ti-4.5Al-3V-2Fe-2Mo titanium alloy, Al6061 aluminum alloy and type304 austenitic stainless steel by carrying out rotational bending fatigue tests. In the FPB treated titanium alloy, fatigue strength was higher than that of the untreated one.
contactThe notched tensile strength (NTS) of Ti-4.5Al-3V-2Fe-2Mo specimens with distinct heat treatment conditions was investigated and correlated to microstructures. The specimens were solution-treated at either 980 or 870°C (above or below the β-transus) and then water-quenched prior to aging treatments.
contact2017829 · Ti-4.5Al-3V-2Mo-2Fe, ab-richa1 for Formula 1 engines, which require extreme levels of b–type titanium alloy, is an example of new titanium alloy performance and reliability, as well as in engine parts for international motorcycle Grand-Prix racing.[9] developed in order to diminish the manufacturing cost by means of alloy designing.[4]
contact20211019 · SP700（Ti-4.5Al-3V-2Mo-2Fe） ，775 ℃ ，Ti-6Al-4V， Ti-6Al-4V， 。、
contact2016222 · Ti-4.5Al-3V-2Fe-2Mo Ti-4.5Al-3V-2Fe-2Mo (SP700) is a kind of α+β titanium alloy of rich beta phase through adding beta stable elements of Mo and Fe based on Ti-6Al-4V alloy. Compare to Ti-6Al-4V alloy, SP700 is of better cold and hot process formability, higher strength, plasticity, fracture toughness and fatigue strength. ...
contactIn this study, Ti-4.5Al-2.5Fe-0.25Si and Ti-4.6Al-2.0Fe-0.25Si alloys demonstrating martensite reorientation-induced plasticity (MRIP) were investigated via ex-situ electron backscattering diffraction and field-emission transmission electron microscopy. The alloys were designed such that the annealed microstructure consisted of primary α ...
contact201379 · Each alloying metal helps to enhance the properties of corrosion resistance, ductility, durability, tensile strength etc. Grade Ti-4.5Al-3V-2Mo-2Fe alloy is an alpha-beta alloy that is beta-rich with a fine microstructure and excellent super-plastic formability. The following sections will discuss in detail about grade Ti-4.5Al-3V-2Mo-2Fe alloy.
contactHigher strength heat treatable airframe and engine alloy : Ti-5.5Al-3.5Sn-3Zr-1Nb (829) Advanced engine alloy, creep and oxidation resistant : Ti-5.8Al-4Sn-3.5Zr-0.7Nb (834) ... Ti-4.5Al-3V-2Mo-2Fe (SP 700) Competitor for Ti-6-4 for SPF and general use : The remaining alloys tend to be less widely used but are none the less important and may be ...
contact2016222 · Ti-4.5Al-3V-2Fe-2Mo Ti-4.5Al-3V-2Fe-2Mo (SP700) is a kind of α+β titanium alloy of rich beta phase through adding beta stable elements of Mo and Fe based on Ti-6Al-4V alloy. Compare to Ti-6Al-4V alloy, SP700 is of better cold and hot process formability, higher strength, plasticity, fracture toughness and fatigue strength. ...
contactIn order to improve the observed low fracture toughness of β-rich α+β-type Ti-4.5Al-3V-2Mo-2Fe annealed at the temperature of 1123 K, a two-step cooling (TSC) after solution treatment at that temperature was proposed instead of air cooling. Solution treatment plus aging (STA) and slow furnace-cooling (SFC) treatments were also carried out on the
contact2010320 · Fatigue crack growth tests of Ti-4.5Al-3V-2Fe-2Mo (SP-700) laser welds after various postweld heat treatments (PWHTs) were investigated. The welds and the mill-annealed base metal had similar fatigue crack growth rates (FCGRs) at a stress ratio (R) of 0.1. After increasing the stress ratio to 0.5, the peak-aged (482 °C) weld exhibited higher
contact201652 · In this study, the effect of heat treatment on the microstructure and shape memory behavior of Ti-4.5Al-3V-2Fe-2Mo (mass%) alloy (SP-700) was investigated. The volume fraction of a phase in the as-received material decreased after annealing at
contact2016421 · SP-700 alloy (Ti-4.5Al-3V-2Mo-2Fe alloy) is an alpha-beta titanium alloy that is beta-rich with a fine microstructure. SP-700 alloy is superplastically formed into several useful components for applications in
contact201849 · TB3 [4] β, Ti-10Mo-8V-1Fe-3.5Al。, 2.8, , 1 100 MPa。
contact20171027 · The α + β titanium alloys can be heat-treated to meet required characteristics for specific usages. SP700 (Ti-4.5Al-3V-2Mo-2Fe, wt.%), a β-rich α + β titanium alloy, has extraordinary superplasticity slightly above 700 °C (Ref 1,2,3).A fine-grained structure improves the superplastic forming ability of Ti-6-4 and SP700 alloys
contact201023 · Ti-6Al-4V-0.1Ru GR29 TC24 Ti-4.5Al-3V-2Mo-2Fe SP-700 TC25 Ti-6.5Al-2Mo-1Zr-1Sn-1W-0.2Si TiAl6V4 Ti-6Al-4V TC6 Ti-6Al-1.5Cr-2.5Mo-0.5Fe-0.3Si BT3-1 TC8 Ti-6.5Al-3.5Mo-0.25Si BT8 TC9 Ti-6.5Al-3.5Mo
contactalloys.7,8) The Ti-4.5Al-3V-2Mo-2Fe alloy has higher - stabilizing element content, which modifies the transforma-tion of the phase and suppresses the diffusional trans-formation during cooling and quench delay.6) Among the - stabilizing elements in the alloy, Fe is an effective strength-ener and Mo refines the microstructure and retards grain
contactHigher strength heat treatable airframe and engine alloy : Ti-5.5Al-3.5Sn-3Zr-1Nb (829) Advanced engine alloy, creep and oxidation resistant : Ti-5.8Al-4Sn-3.5Zr-0.7Nb (834) ... Ti-4.5Al-3V-2Mo-2Fe (SP 700) Competitor for Ti-6-4 for SPF and general use : The remaining alloys tend to be less widely used but are none the less important and may be ...
contact20191115 · Ti–4.5Al–3V–2Fe–2Mo alloy (SP-700) sheets were heat-treated to have appropriate α/β ratio so that the sheet shows superelasticity at room temperature. A miniature nozzle model was ...
contact,.Ti-4.5Al-3V-2Fe-2Mo[J].,2020,44(1):1-8.FU Mingjie,LI Jizhong,ZENG Yuansong.Superplastic deformation behavior of friction stir welded Ti-4.5Al-3V-2Fe-2Mo alloy[J].Chinese Journal of ...
contactThe fretting fatigue limit of Ti–4.5Al–3V–2Mo–2Fe tends to increase with decrease in the volume fraction and average diameter of primary α phase. However, when volume fraction and average diameter of primary α phase are below certain values, the fretting fatigue limit is lowered by coarsening of the acicular α phase, which precipitates in the β phase region.
contact199971 · The effect of oxygen contamination such as {alpha}-case on fatigue strength of Ti-4.5Al-3V-2Mo-2Fe alloy is investigated in detail. Careful heat treatments were carried out at 775 C in 99.9% and 99.99% purity argon gases as well as in vacuum, in order to introduce various levels of oxygen contamination to the surfaces of bending fatigue
contact2016222 · Ti-4.5Al-3V-2Fe-2Mo Ti-4.5Al-3V-2Fe-2Mo (SP700) is a kind of α+β titanium alloy of rich beta phase through adding beta stable elements of Mo and Fe based on Ti-6Al-4V alloy. Compare to Ti-6Al-4V alloy, SP700 is of better cold and hot process formability, higher strength, plasticity, fracture toughness and fatigue strength. ...
contactIn this study, Ti-4.5Al-2.5Fe-0.25Si and Ti-4.6Al-2.0Fe-0.25Si alloys demonstrating martensite reorientation-induced plasticity (MRIP) were investigated via ex-situ electron backscattering diffraction and field-emission transmission electron microscopy. The alloys were designed such that the annealed microstructure consisted of primary α ...
contact201379 · Each alloying metal helps to enhance the properties of corrosion resistance, ductility, durability, tensile strength etc. Grade Ti-4.5Al-3V-2Mo-2Fe alloy is an alpha-beta alloy that is beta-rich with a fine microstructure and excellent super-plastic formability. The following sections will discuss in detail about grade Ti-4.5Al-3V-2Mo-2Fe alloy.
contactHigher strength heat treatable airframe and engine alloy : Ti-5.5Al-3.5Sn-3Zr-1Nb (829) Advanced engine alloy, creep and oxidation resistant : Ti-5.8Al-4Sn-3.5Zr-0.7Nb (834) ... Ti-4.5Al-3V-2Mo-2Fe (SP 700) Competitor for Ti-6-4 for SPF and general use : The remaining alloys tend to be less widely used but are none the less important and may be ...
contactFor b -rich a 1b type Ti–4.5Al–3V–2Mo–2Fe alloy, it was found that the fracture toughness, either KIC10) or JIC,11) has relatively low value when the alloy is air-cooled from solution treatment temperature of 1123 K. From the view- point of the fracture mechanisms, it has been explained that the reasons for the low fracture toughness ...
contact2016421 · SP-700 alloy (Ti-4.5Al-3V-2Mo-2Fe alloy) is an alpha-beta titanium alloy that is beta-rich with a fine microstructure. SP-700 alloy is superplastically formed into several useful components for applications in
contact