钴基涂层的简易涂覆和烧结制备及微观结构分析

IF 1.9 4区材料科学 Q3 Materials Science

Science and Engineering of Composite Materials Pub Date : 2022-01-01 DOI:10.1515/secm-2022-0178

Lingyu Meng, M. Hu, Keming Jia

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引用次数: 0

摘要

摘要为了提高特殊复杂形状工件在恶劣工作条件下的使用寿命，提出了一种新的涂层制备工艺，即易涂层和烧结技术。本研究探讨了采用简易涂层和烧结工艺在38CrMoAl基体上制备钴基涂层的可行性，并对钴基涂层组织和性能进行了研究。通过优化烧结工艺参数，制备的涂层致密，涂层与基体形成良好的冶金结合，气孔少，但没有其他缺陷。由于该工艺对复杂形状零件的表面、小蛇形管内壁和大厚度具有良好的适用性，且成本低、操作方便，因此易涂层烧结工艺具有很大的应用前景。

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Fabrications and microstructure analysis of cobalt-based coatings by an easy-coating and sintering process

Abstract In order to enhance the service life of special complex shaped workpieces under severe working conditions, a new coating preparation process, namely, easy-coating and sintering technology, has been proposed. In this study, the feasibility of preparing Co-based coatings on 38CrMoAl substrates using the easy-coating and sintering process was investigated, and the microstructure and properties of the Co-based coatings were studied. By optimizing the parameters of the sintering process, the prepared coating is dense, and the coating forms a good metallurgical bond with the substrate with few pores, but no other defects. As the process has good applicability to the surface of complex-shaped parts, the inner wall of small serpentine tubes and large thicknesses, and is low-cost and easy to operate, the easy-coating-sintering process has great application prospects.

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来源期刊

Science and Engineering of Composite Materials 工程技术-材料科学：复合

CiteScore

3.10

自引率

5.30%

发文量

审稿时长

4 months

期刊介绍： Science and Engineering of Composite Materials is a quarterly publication which provides a forum for discussion of all aspects related to the structure and performance under simulated and actual service conditions of composites. The publication covers a variety of subjects, such as macro and micro and nano structure of materials, their mechanics and nanomechanics, the interphase, physical and chemical aging, fatigue, environmental interactions, and process modeling. The interdisciplinary character of the subject as well as the possible development and use of composites for novel and specific applications receives special attention.