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Method for preparing gradient ceramic coating through cold spraying of high-entropy borosilicate ceramic surface material
The invention discloses a method for preparing a gradient ceramic coating through cold spraying of a high-entropy borosilicate ceramic surface material, the high-entropy borosilicate ceramic surface material comprises high-entropy borosilicate ceramic mixed powder and a densifier, and the method comprises the following steps: step 1, grinding, drying and sieving respectively; step 2, adding the sieved and mixed high-entropy borosilicate ceramic mixed powder material into cold spraying equipment; step 3, cleaning a base material; step 4, controlling a cold spray gun body to spray the area, needing to be coated, of the base material, and preparing the high-entropy borosilicate gradient ceramic composite coating. and step 5, polishing the surface of the prepared high-entropy borosilicate ceramic composite coating, wherein the particle size of the high-entropy borosilicate ceramic mixed powder is controlled to be 40-50 microns, the particle size of the high-entropy borosilicate ceramic mixed powder is controlled to be 1-10 microns, gaps among particles are reduced, and the prepared high-entropy borosilicate ceramic composite coating has the advantages of being higher in density, resistant to vibration, high in stability and the like; meanwhile, the utilization rate of the high-entropy boron-silicon gradient ceramic mixed powder is increased by controlling the outlet speed of a cold spray gun and the powder supply flow, and resources are greatly saved.
本发明公开了高熵硼硅陶瓷表面材料冷喷涂制备梯度陶瓷涂层的方法,高熵硼硅陶瓷表面材料包括高熵硼硅陶瓷混合粉和致密剂,方法包括以下步骤:步骤一、分别研磨、干燥和过筛;步骤二、过筛混合后的高熵硼硅陶瓷混合粉末材料加入冷喷涂设备;步骤三、基材清理;步骤四、操控冷喷枪体对基材需覆膜区域进行喷涂,制得高熵硼硅梯度陶瓷复合涂层;步骤五、对制得高熵硼硅陶瓷复合涂层表面进行打磨剖光,本发明通过控制高熵硼硅陶瓷混合粉的粒径40‑50um和致密剂1‑10um混合,降低了颗粒间的缝隙,制得的高熵硼硅陶瓷涂层具有更高的密度、抗振动和高稳定性等优点,同时通过控制冷喷枪出口速度与供粉流量实现提高高熵硼硅梯度陶瓷混合粉末的利用率,大大节省了资源。
Method for preparing gradient ceramic coating through cold spraying of high-entropy borosilicate ceramic surface material
The invention discloses a method for preparing a gradient ceramic coating through cold spraying of a high-entropy borosilicate ceramic surface material, the high-entropy borosilicate ceramic surface material comprises high-entropy borosilicate ceramic mixed powder and a densifier, and the method comprises the following steps: step 1, grinding, drying and sieving respectively; step 2, adding the sieved and mixed high-entropy borosilicate ceramic mixed powder material into cold spraying equipment; step 3, cleaning a base material; step 4, controlling a cold spray gun body to spray the area, needing to be coated, of the base material, and preparing the high-entropy borosilicate gradient ceramic composite coating. and step 5, polishing the surface of the prepared high-entropy borosilicate ceramic composite coating, wherein the particle size of the high-entropy borosilicate ceramic mixed powder is controlled to be 40-50 microns, the particle size of the high-entropy borosilicate ceramic mixed powder is controlled to be 1-10 microns, gaps among particles are reduced, and the prepared high-entropy borosilicate ceramic composite coating has the advantages of being higher in density, resistant to vibration, high in stability and the like; meanwhile, the utilization rate of the high-entropy boron-silicon gradient ceramic mixed powder is increased by controlling the outlet speed of a cold spray gun and the powder supply flow, and resources are greatly saved.
本发明公开了高熵硼硅陶瓷表面材料冷喷涂制备梯度陶瓷涂层的方法,高熵硼硅陶瓷表面材料包括高熵硼硅陶瓷混合粉和致密剂,方法包括以下步骤:步骤一、分别研磨、干燥和过筛;步骤二、过筛混合后的高熵硼硅陶瓷混合粉末材料加入冷喷涂设备;步骤三、基材清理;步骤四、操控冷喷枪体对基材需覆膜区域进行喷涂,制得高熵硼硅梯度陶瓷复合涂层;步骤五、对制得高熵硼硅陶瓷复合涂层表面进行打磨剖光,本发明通过控制高熵硼硅陶瓷混合粉的粒径40‑50um和致密剂1‑10um混合,降低了颗粒间的缝隙,制得的高熵硼硅陶瓷涂层具有更高的密度、抗振动和高稳定性等优点,同时通过控制冷喷枪出口速度与供粉流量实现提高高熵硼硅梯度陶瓷混合粉末的利用率,大大节省了资源。
Method for preparing gradient ceramic coating through cold spraying of high-entropy borosilicate ceramic surface material
高熵硼硅陶瓷表面材料冷喷涂制备梯度陶瓷涂层的方法
TAI ZHAOSHAN (author)
2022-02-11
Patent
Electronic Resource
Chinese
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