A free-energy-based and interfacially consistent phase-field model for solid-state sintering without artificial void generation

Yang, Qingcheng; Gao, Yongxin; Kirshtein, Arkadz; Zhen, Qiang; Liu, Chun

doi:10.1016/j.commatsci.2023.112387

Cited by 7 publications

(1 citation statement)

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“…In the past two decades, the phase-field method has been used by many researchers 7 – 15 to investigate the sintering process. More recent works have pointed out several weaknesses of these models 16 – 18 , which were rectified subsequently 17 – 19 . Based on these works, the present paper aims to elucidate several factors of interest in the solid-state sintering process: external pressure is often applied to speed up densification: capillary pressure acts as a driving force for sintering and applying external pressure enhances this.…”

Section: Introductionmentioning

confidence: 99%

Revealing process and material parameter effects on densification via phase-field studies

Seiz,

Hierl,

Nestler

et al. 2024

Sci Rep

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Sintering is an important processing step in both ceramics and metals processing. The microstructure resulting from this process determines many materials properties of interest. Hence the accurate prediction of the microstructure, depending on processing and materials parameters, is of great importance. The phase-field method offers a way of predicting this microstructural evolution on a mesoscopic scale. The present paper employs this method to investigate concurrent densification and grain growth and the influence of stress on densification. Furthermore, the method is applied to simulate the entire freeze-casting process chain for the first time ever by simulating the freezing and sintering processes separately and passing the frozen microstructure to the present sintering model.

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