Interface behavior and oxidation consolidation mechanism of titanium-bearing iron sand particles with ball-milling pretreatment

Zhao, Wei; Yan, Bingji; Chen, Dong; Guo, Hongwei; Liu, Zhenggen; Chu, Mansheng

doi:10.1016/j.powtec.2021.11.008

Cited by 5 publications

(2 citation statements)

References 25 publications

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“…In Figure 7a, picture b is the enlarged view of part a marked with a white box. It indicates that in the process of cryomilling, brittle fracture occurs due to smaller B particles (marked as B in Figure 7a) where Mg particles have a tendency to be embedded in the hole and pits of B particles [25]. With the increase in cryomilling time, Mg tends to diffuse to the surface of B particles as shown in Figure 7b.…”

Section: Microstructure and Compound Mechanism Of Mg/b Composite Powdersmentioning

confidence: 95%

“…Characteristic peaks of B 2 O 3 and B can be identified by two fitting peaks at 192.3 eV and 186.4 eV of the B1s peak. The Mg2p is composed of two peaks, where the 50.4 eV peak corresponds to Mg and the 49.4 eV peak corresponds to Mg 2+ in MgO [25]. The activity content of B and Mg are defined as the ratio between zero oxidation area to the whole area.…”

Section: Synthesis and Characterization Of Mg/b Composite Powdersmentioning

confidence: 99%

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Enhanced Reactivity and Compound Mechanism of Mg/B Composite Powders Prepared by Cryomilling

et al. 2022

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Boron is one of the highest energy density materials. The heat of boron is difficult to carry out due to its poor combustion performance. Magnesium (10 wt.%), acting as combustion adjuvant, is added into boron powder to improve the combustion performance. In this study, two kinds of boron powder were used as raw material, boron powder with an average size of 40 mm is named B1, and B2 has an average powder size of 3 mm. Mg/B composite powder was prepared though a cryomilling method. Two compound mechanisms for Mg/B composite powder were applied. For Mg/B1 composite powder, an Mg-coating structure on the surface of B was generated. For Mg/B2, a structure that small particles were agglomerated with Mg in the interior or on the surface of B was generated. Compared with either B powder or blended Mg/B powder, the reactivity of Mg/B composite powder by cryomilling is enhanced. In addition, the atomic ratio of Mg to B and activity content of Mg on the surface of Mg/B composite powder have great impacts on the improvement of reactivity.

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Section: Microstructure and Compound Mechanism Of Mg/b Composite Powdersmentioning

confidence: 95%

Section: Synthesis and Characterization Of Mg/b Composite Powdersmentioning

confidence: 99%

Enhanced Reactivity and Compound Mechanism of Mg/B Composite Powders Prepared by Cryomilling

et al. 2022

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Damage characterization and microscopic mechanism of steel slag-cemented paste backfill under uniaxial compression

Hao,

Zhou,

Chen

et al. 2023

Construction and Building Materials

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Effect of high-pressure grinding rolls pretreatment on the preparation of vanadium-titanium magnetite pellets

Guo

Chen

et al. 2023

Journal of Materials Research and Technology

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Interface behavior and oxidation consolidation mechanism of titanium-bearing iron sand particles with ball-milling pretreatment

Cited by 5 publications

References 25 publications

Enhanced Reactivity and Compound Mechanism of Mg/B Composite Powders Prepared by Cryomilling

Enhanced Reactivity and Compound Mechanism of Mg/B Composite Powders Prepared by Cryomilling

Damage characterization and microscopic mechanism of steel slag-cemented paste backfill under uniaxial compression

Effect of high-pressure grinding rolls pretreatment on the preparation of vanadium-titanium magnetite pellets

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