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2024624 · The effects of grinding modes (DG and UG) on the grinding performance of anisotropic CF/PEEK composites were investigated. Material removal mechanisms of CF/PEEK affected by grinding mode were revealed under different fiber orientation angles. The maximum grinding temperatures and normal grinding forces in UG were lower than DG.
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2019611 · The effects of grinding (medium-coarse) and extraction time (14–22 h) on the physicochemical and sensorial properties of cold brew coffee produced using two types of Colombian specialty coffees (Huila and Nariño) were evaluated. Cold coffee brewed under coarse grinding and 22 h of extraction exhibited the highest values of total dissolved ...
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2020920 · In the 1970s, the relevance of both the Rehbinder as well as the Westwood effect for dry grinding applications was finally disproved. It started with the measurements of crack propagation velocities, as it was done by Schönert [17].Even though Schönert actually did not focus on the investigation of grinding aids, he also lastingly changed the …
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201881 · Abstract. In the present study, the effect of using different grinding media, viz, ceramic (CE), forged steel (FS), 15% Cr steel (CS), stainless steel (SS) and a mixture of stainless steel and 15% Cr steel balls (50:50) (SS + CS) were investigated using a Platinum Group Metal (PGM) ore, UG2. Test work was conducted using a laboratory scale ...
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2016418 · The room temperature grind profile is also distinctly less Gaussian-like, with the development of a hip at approximately 9.5 μ m. This detail could indicate that some components of the bean ...
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2020223 · A smart selection of grinding media not only effectively reduces the grinding cost but also optimizes the flotation response of valuable sulfide minerals. ... as well as flotation performance of sulfide ores. In addition, the effects of electrochemical and mechano-chemical interactions between grinding media and sulfide ores are discussed in ...
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2021715 · Effects of grinding speeds on thickness of subsurface damage. The subsurface damage formed after machining reduces the hardness and elastic modulus of workpiece [29], which changes the material properties of single crystal silicon. A reasonable setting of the grinding speed can achieve high efficiency and low damage processing, so …
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2015515 · This paper carries out a finite element (FE) analysis to investigate the effects of grinding speed (20 ∼ 400 m/s) and undeformed chip thickness (1 ∼ 8 μm) on chip formation during single grain grinding of nickel-based superalloy Inconel 718. Three factors related to the Johnson-Cook (J-C) constitutive model, i.e., the strain hardening, strain-rate …
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2023929 · Before nano-grinding, the system is first subjected to a relaxation process based on the conjugate gradient method [40], thus achieving a stable simulation environment via energy minimization before the nano-grinding stage.Subsequently, the MD model is relaxed under the NPT ensemble to bring the system into an equilibrium state of …
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202211 · 1. Introduction. Calcite, in other words, calcium carbonate (CaCO 3), is a glassy shimmer, transparent, easily breakable, large crystal marble mineral.Its Mohs hardness is 3 and specific gravity is in the range of 2.6–2.8. It is micronized by grinding then classification processes are applied, and offered to the user as natural ground or ground …
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