Abstract
In automotive technology, the proper use of thermal insulation materials helps improve the performance and life of internal equipment and reduce maintenance cost. In this study, plasma spraying and flame spraying are used to prepare and coat a new MgO-B2O3-SiO2-Zn powder on the SUS304 substrate. The resulting coating as thermal insulation layer formed a networked microstructure between the substrates to improve the thermal insulation performance of the material. By validation of thermal radiation experiments, the thermal insulation effects of various ceramic powders were compared, the high-temperature and low-temperature thermal insulation materials for about 300 and 100 °C were determined, and the thermal insulation performance of the constructed material coatings was verified by analysis.
Highlights
In the design and use of automobiles, due to the heating characteristics of some of the power equipment itself, the entire vehicle cannot be maintained in a continuous and stable temperature environment to complete the driving task [1]
From the perspective of external stress adjustment, driving equipment and devices can be controlled by a certain environmental control system to maintain good working conditions; on the other hand, from the perspective of their own temperature retention capabilities, advanced insulation materials or surface engineering technology can be applied to enhance the insulation capacity of the equipment in the car [2]
This research is involved in thermal insulation coating technologies proposed in response to the above situation
Summary
In the design and use of automobiles, due to the heating characteristics of some of the power equipment itself, the entire vehicle cannot be maintained in a continuous and stable temperature environment to complete the driving task [1]. From the perspective of external stress adjustment, driving equipment and devices can be controlled by a certain environmental control system to maintain good working conditions; on the other hand, from the perspective of their own temperature retention capabilities, advanced insulation materials or surface engineering technology can be applied to enhance the insulation capacity of the equipment in the car [2]. The spray technology is one of the surface engineering technologies [3,4] This type of coating has better properties than the substrate material, expands its use range, prolongs the service life of its components, and saves resources [5,6]. Surface technology gives the material surface the required functions and improves its practical value. The integration of material science, condensed matter physics, chemistry, analytical technology, and equipment/process technology [9,10,11,12,13] will become an indispensable part of surface technology progress more than ever
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