Size reduction performance evaluation of HPGR/ball mill and HPGR/stirred mill for PGE bearing chromite ore

Santosh, T.; Eswaraiah, C.; Soni, Rahul; Kumar, Shravan

doi:10.1016/j.apt.2022.103907

Cited by 10 publications

(4 citation statements)

References 40 publications

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“…and a rise in compressive strength from 203 MPa to 526 MPa. Lower the strain rate to 46.52% from 90.62% [ 87 ]. Two techniques are used by powder metallurgy to decrease the powder particles' size.…”

Section: Effects Of Mechanical Alloying In Heasmentioning

confidence: 99%

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Development of high entropy alloys (HEAs): Current trends

2024

Heliyon

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Section: Effects Of Mechanical Alloying In Heasmentioning

confidence: 99%

“…The density of the sintered sample decreases as the sintering temperature increases. Minimal concentrations of alloying metals like nickel enhanced the sintering performance of HEAs systems [ 87 ]. Reducing porosity and improving density are essential for improving mechanical performance.…”

Section: Effects Of Mechanical Alloying In Heasmentioning

confidence: 99%

Development of high entropy alloys (HEAs): Current trends

2024

Heliyon

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“…For example, compared to conventional ball mills, they have many advantages like high efficiency, low noise, and good powder shapes. Therefore, they are commonly employed in numerous scenarios like mechanical milling [ 6 ], building material preparation, cement production, mineral separation, and so on [ 7 , 8 , 9 , 10 ].…”

Section: Introductionmentioning

confidence: 99%

Analysis and Optimization of the Milling Performance of an Industry-Scale VSM via Numerical Simulations

Tong

Chen

Liu³

et al. 2023

Materials

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Vertical stirred mills (VSM) are widely used for powder processing in many situations like mechanical alloying preparation and raw material crushing and shaping. Many structural and operational parameters like stirrer helix angle and rotating speed have great significance on VSM performance, especially in a large industry-scale situation. Therefore, it becomes essential to investigate these parameters systematically to obtain high energy efficiency and good product quality. In this work, the discrete element method (DEM) was used to examine the effects of stirrer helix angle (α), stirrer diameter (d), and rotating speed (n) on the grinding performance in an industrial VSM, and then the response surface method (RSM) was employed for multi-objective optimization in the VSM. It is found that a media vortex phenomenon may happen near the stirring shaft. The media collisions are significantly influenced by α, d, and n. Through multi-objective optimization design (MOD), the power consumption (P) of the stirrer reduced by 8.09%. The media collision energy (E) increased by 9.53%. The energy conversion rate (R) rises by 20.70%. The collision intensity and frequency are both improved. This optimization method can help determine good operating parameters based on certain structures.

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“…性の最大化 [1]- [3] ，未知試料の評価 [4], [5] 雄は，蛹となって 90 分後に頭部に折りたたまれた角の原基が生えてくることを報告した [7] ．前蛹まではほとんど見た目の雌雄差が無いが，体内では雌雄差のもとが育まれているといえる．幼虫の下腹に小さな V 字マークが確認できれば雄の可能性が高い [8] ．これは生殖器由来によると言われている．幼虫の腸は，頭部付近か研究助成ら前腸，中腸，後腸に分かれており [9] ，糞が体…”

unclassified

粉体の僅かな変化を機械学習（mt法）で検知する

Takai

2023

Hosokawa Foundation ANNUAL REPORT

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In order to functionalize the powders, it is important to understand the relationship between the powders' structure and their functionalities. As one of the techniques, the Mahalanobis-Taguchi system (MTS) has been utilized because that effective variables which improve accuracy of classification can be visualized. The surface-roughness-related variables were the effective powder structure which improve accuracy of classification into male/female of Japanese beetles larval droppings as the model powders. Considering that binder concentration in the females' dropping was higher than in the males' dropping, the females' droppings could be deformed during molding process through the larval gut. The MTS can be expected as the effective way to improve the accuracy of the classification by visualization of the relationship between powder structure and functionalities without individual differences.

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Size reduction performance evaluation of HPGR/ball mill and HPGR/stirred mill for PGE bearing chromite ore

Cited by 10 publications

References 40 publications

Development of high entropy alloys (HEAs): Current trends

Development of high entropy alloys (HEAs): Current trends

Analysis and Optimization of the Milling Performance of an Industry-Scale VSM via Numerical Simulations

粉体の僅かな変化を機械学習（mt法）で検知する

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