Improvement of Metal/Ceramic Composite Sprayed Coatiog by Electrolytic Arc Heating Method and Evaluation of the Coating Properties

电解电弧加热法金属/陶瓷复合喷涂涂层的改进及涂层性能评价

• 批准号: 12650724
• 负责人: MORIMOTO Junji
• 金额: $ 1.22万
• 依托单位: Kinki University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2000
• 资助国家: 日本
• 起止时间: 2000 至 2001
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-12650724/
• 关键词: Metallic Coating; Ceramic Coating; Electrolytic Arc Heating; Metal; Ceramic Composite Coating; Wear Resistance; Hard Coating; Thermal Coating; 耐磨耗性; Ni基自溶合金; セラミック; フレーム溶射皮膜; 貫通空孔; ロックウェル硬さ; WC-Co粉末

The electrolytic are heating process of the sprayed coating to improve the denseness and the bonding of the deposited coating has been developed. The effect of the electrolytic arc heating conditions on layer formation was investigated, and the coating properties were examined by hardness tests, abrasive wear test and corrosion tests. The Vickers hardness of the electrolytic arc heated Ni base self-fluxing alloy coatings was HV650-700, equal to or higher than that obtained with a flame fusing sprayed coating. The electrolytic arc heated Ni base self-fluxing alloy coatings displayed superior properties, including wear resistance and corrosion resistance, compared with mild steel and stainless steel. The microstructure and bond strength has been investigated for joint of a copper to carbon steel produced by electrolytic arc heat bonding with Ni base self-fluxing alloy coatings. Joint strength of copper/steel was measured to be in the range of 440-470 MPa.

为提高涂层的致密性和结合力，对喷涂涂层进行了电解加温处理。研究了电弧炉加热条件对涂层形成的影响，并通过硬度测试、磨粒磨损实验和腐蚀实验测试了涂层的性能。电解电弧加热镍基自熔合金涂层的维氏硬度为HV650-700，等于或高于火焰喷涂涂层的维氏硬度。与碳钢和不锈钢相比，电解电弧加热镍基自熔合金涂层具有优异的耐磨性和耐腐蚀性。研究了采用镍基自熔合金涂层电解电弧热连接铜与碳钢的接头组织和结合强度。铜/钢的接头强度在440-470 Mpa范围内。

项目成果

森本純司: "溶射皮膜のサンドエロージョン摩耗に関する研究"プラズマ応用科学. Vol.8. 120-125 (2000)

Junji Morimoto：“热喷涂涂层的砂蚀磨损研究”等离子应用科学第 8 卷（2000 年）。