2020
DOI: 10.3390/ma13102234
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Effect of Imposed Shear Strain on Steel Ring Surfaces during Milling in High-Speed Disintegrator

Abstract: This contribution characterizes the performance of a DESI 11 high-speed disintegrator working on the principle of a pin mill with two opposite counter-rotating rotors. As the ground material, batches of Portland cement featuring 6–7 Mohs scale hardness and containing relatively hard and abrasive compounds with the specific surface areas ranging from 200 to 500 m2/kg, with the step of 50 m2/kg, were used. The character of the ground particles was assessed via scanning electron microscopy and measurement of the … Show more

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Cited by 5 publications
(3 citation statements)
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“…There has been a significant amount of research and industrial development in the material processing field to achieve the construction components' longevity, reduce resource consumption and pollution caused by new material production, and reduce waste management costs [1]. These are significant issues in construction businesses because the ordinary Portland cement, considered the main binder material used in construction, is responsible for 5 to 8% of yearly global CO 2 emissions.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…There has been a significant amount of research and industrial development in the material processing field to achieve the construction components' longevity, reduce resource consumption and pollution caused by new material production, and reduce waste management costs [1]. These are significant issues in construction businesses because the ordinary Portland cement, considered the main binder material used in construction, is responsible for 5 to 8% of yearly global CO 2 emissions.…”
Section: Introductionmentioning
confidence: 99%
“…This method is referred to as disintegrator technology, where the material is milled by highly effective high-speed and high-intensity impact in contrast to low-speed impact abrasion [5]. Milling material this way also activates materials that, due to expired shelf life, have lost their ability to create a sufficient bonding effect [1]. One way to verify cement milling results and whether the old cement activity has been regained to the previous level is to assess setting characteristics.…”
Section: Introductionmentioning
confidence: 99%
“…In addition to using the SPD methods based on imposing severe shear strain resulting in grain refinement introducing enhancement of numerous properties, powder metallurgy can be applied to provide powders featuring fine grain sizes at the very beginning of the production process. The paper by K. Dvořák et al [ 4 ] presents the possibility of using modern disintegrators to prepare fine powder particles. Several papers published within the Special Issue then deal with processing of metallic powders—assessing and optimizing the processing conditions and evaluating various phenomena of the final products.…”
mentioning
confidence: 99%