Mingbing Li's research while affiliated with Beijing Institute of Aeronautical Materials and other places

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Publications (8)

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Precipitation and evolution behaviors of grain boundary α and α side plates for ultra-high strength titanium alloy during continuous cooling
Article
  • Dec 2022
In this paper, precipitation behavior and evolution mechanism of grain boundary α (αGB) and α side plates (αSP) of ultra-high strength titanium alloy are investigated. Precipitation of αGB can change original morphology of β grain boundary into irregular shapes, and it is much more obvious at slower cooling rate. The λ, which denotes the minimum va...
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Microstructure evolution and mechanical property of a new multi-component β titanium alloy with ultrahigh strength above 1350 MPa
Article
  • Nov 2022
The microstructure evolution and precipitation behavior of a multi-component β titanium alloy (namely TB17) were investigated through various characterization methods. The results show that with the increase of the solution temperature, the coarse lamellar α phase (αl) and fine secondary α phase (αs) existed in the original as-forged TB17 alloy dec...
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Acquisition of recrystallization information using optical metallography in a metastable β titanium alloy
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  • Aug 2017
The precipitates of α phase cooled from recrystallization annealing temperature were rather inhomogeneous from grain to grain in a metastable β titanium alloy. Electron backscatter diffraction technique (EBSD) had confirmed that inhomogeneous distribution of α precipitates was directly related to nonuniform recrystallization (or recovery). The acce...
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Citations

... Developing Ti alloys with high strength, toughness, and improved properties has become an important research object of Ti alloys [3]. Metastable β high-strength titanium alloy has gained prominence in the aerospace industry in recent years because of its exceptional qualities, including good heat treatment, hardenability, and welding performance [4]. ...
Reference: Hot processing map and high temperature deformation behaviour of TB17 Ti alloy
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... In addition, most of the metastable β titanium alloys contain alloy elements which could improve the strength of α phase through solution strengthening. Therefore, the metastable β titanium alloy can obtain higher strength level than α+β phase titanium alloy [17][18][19][20]. Fig. 2 shows the microstructure after solution for 1 h at 780 ℃and then aging at 500 ℃, 520 ℃, 540 ℃, 560 ℃, respectively. ...
Reference: Effect of Heat Treatment Process on Microstructure of a New Metastable β Titanium Alloy
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... The methods of grain size detection are mainly divided into two types: destructive and nondestructive. Destructive detection methods, such as optical metallography and electron backscatter diffraction (EBSD) [9,10], are limited in engineering. Their shortcomings include the fact that they are time consuming, that they involve microdetection, and that they result in irreversible damage to the material. ...
Reference: Simultaneous Compositional and Grain Size Measurements Using Laser Opto-Ultrasonic Dual Detection for Additive Manufacturing
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