Joining SiC ceramics with CaO-Al2O3-SiO2 mixed powder/glass based on induction heating

IF 44 1区医学 Q1 ENDOCRINOLOGY & METABOLISM

The Lancet Diabetes & Endocrinology Pub Date : 2024-10-11 DOI:10.1016/j.ceramint.2024.10.154

Xiu-Bing Chen, Lin-Lin Zhu, Chuang-Tian Zhan, Yu Tian, Wei-Ming Guo, Hua-Tay Lin

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引用次数: 0

Abstract

CaO-Al₂O₃-SiO₂ mixed powder and glass were used as the joining materials to join SiC ceramics by induction heating in a joining temperature range of 1400-1600°C under pressureless condition with heating and cooling rates of 100°C/min. The joint prepared with CaO-Al₂O₃-SiO₂ mixed oxide powder as joining material has the highest shear strength of 60.09 ± 6.22 MPa at joining temperature of 1500°C, which contains triclinic CaAl₂Si₂O₈ crystalline phase generated by chemical reaction in the holding process. In contrast, the joint produced with CaO-Al₂O₃-SiO₂ glass powder at 1500°C also has the highest shear strength of 75. 76 ± 2.34 MPa, which contains hexagonal CaAl₂Si₂O₈ and quartz generated through crystallization in the holding process due to rapid cooling rate of induction heating. In this study, the feature of mixed powder and glass joining by the induction heating technology was discussed to provide an effective and economic method for ceramic joining.

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基于感应加热的碳化硅陶瓷与 CaO-Al2O3-SiO2 混合粉/玻璃的接合

以 CaO-Al2O3-SiO2 混合氧化物粉末和玻璃为接合材料，在 1400-1600°C 的接合温度范围内，在无压条件下，以 100°C/min 的加热和冷却速率，通过感应加热接合 SiC 陶瓷。用 CaO-Al2O3-SiO2 混合氧化物粉末作为接合材料制备的接合点在接合温度为 1500°C 时的剪切强度最高，为 60.09 ± 6.22 MPa，其中含有在保温过程中通过化学反应生成的三菱系 CaAl2Si2O8 结晶相。相比之下，在 1500°C 下使用 CaO-Al2O3-SiO2 玻璃粉生产的接头的剪切强度也最高，为 75.76 ± 2.34 MPa，其中含有六方的 CaAl2Si2O8 和石英，它们是在保温过程中由于感应加热的快速冷却速度而结晶生成的。本研究探讨了利用感应加热技术连接混合粉末和玻璃的特点，为陶瓷连接提供了一种有效而经济的方法。

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来源期刊

The Lancet Diabetes & Endocrinology ENDOCRINOLOGY & METABOLISM-

CiteScore

61.50

自引率

1.60%

发文量

371

期刊介绍： The Lancet Diabetes & Endocrinology, an independent journal with a global perspective and strong clinical focus, features original clinical research, expert reviews, news, and opinion pieces in each monthly issue. Covering topics like diabetes, obesity, nutrition, and more, the journal provides insights into clinical advances and practice-changing research worldwide. It welcomes original research advocating change or shedding light on clinical practice, as well as informative reviews on related topics, especially those with global health importance and relevance to low-income and middle-income countries. The journal publishes various content types, including Articles, Reviews, Comments, Correspondence, Health Policy, and Personal Views, along with Series and Commissions aiming to drive positive change in clinical practice and health policy in diabetes and endocrinology.