Making the Case for Scaling Up Microwave Sintering of Ceramics
Making the Case for Scaling Up Microwave Sintering of Ceramics
复制标题
扩大陶瓷微波烧结规模的案例
DOI：
10.1002/adem.202302065
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发表时间：
2024
影响因子：
3.6
通讯作者：
Reeja‐Jayan, B.
中科院分区：
文献类型：
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作者：
Aman, Bashu;Acharya, Sampada;Reeja‐Jayan, B.
20世纪60年代中期，首次报道了利用微波对陶瓷进行致密化和烧结。今天，这一工艺减少的碳足迹重新引起了人们的兴趣，因为与传统工艺加热/熔炉相比，它总体上使用的能源更少。然而，陶瓷微波烧结工艺的规模化和商业化仍然是一个艰巨的挑战。作为一种非接触的方法，微波烧结提供了比其他场助烧结工艺更大的灵活性。然而，无法解决在微波耦合过程中产生的多尺度、多物理驱动的异质性，限制了对未来放大过程的讨论。本文认为，与60年前的 不同，多尺度计算建模、材料表征、控制系统和软件方面的新进展为应对这些挑战开辟了新的途径。更重要的是，添加剂制造技术的兴起要求陶瓷界对烧结工艺进行创新，以实现从医疗植入物到汽车和航空航天部件等应用的近净形状和复杂部件。
The densification and sintering of ceramics using microwaves is first reported in the mid‐1960s. Today, the reduced carbon footprint of this process has renewed interest as it uses less energy overall compared to conventional process heating/furnaces. However, scaling up and commercializing the microwave sintering process of ceramics remains a formidable challenge. As a contactless method, microwave sintering offers geometric flexibility over other field‐assisted sintering processes. Yet, the inability to address multiscale, multiphysics‐driven heterogeneities arising during microwave coupling limits discussions about a future scale‐up process. Herein, the case is made that unlike 60 years ago, new advances in multiscale computational modeling, materials characterization, control systems, and software open up new avenues for addressing these challenges. More importantly, the rise of additive manufacturing techniques demands the innovation of sintering processes in the ceramics community for realizing near‐net‐shaped and complex parts for applications ranging from medical implants to automotive and aerospace parts.